fix(web): force render sandbox provider dialog backdrops

- Changed import paths for app card and chart types to use the new app-chart-types module.
- Refactored state initialization in ChartView for improved readability.
- Added unit tests for CardView, ChartView, and LongTimeRangePicker components to ensure functionality and reliability.
- Introduced new test cases for time range picker and tracing components to enhance test coverage.

.agent/skills/component-refactoring

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.agent/skills/frontend-code-review

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-../../.agents/skills/frontend-code-review

.agent/skills/frontend-testing

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-../../.agents/skills/frontend-testing

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-../../.agents/skills/orpc-contract-first

.agent/skills/skill-creator

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-../../.agents/skills/skill-creator

.agent/skills/vercel-react-best-practices

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-../../.agents/skills/vercel-react-best-practices

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.agents/skills/backend-code-review/SKILL.md

@@ -0,0 +1,168 @@
+---
+name: backend-code-review
+description: Review backend code for quality, security, maintainability, and best practices based on established checklist rules. Use when the user requests a review, analysis, or improvement of backend files (e.g., `.py`) under the `api/` directory. Do NOT use for frontend files (e.g., `.tsx`, `.ts`, `.js`). Supports pending-change review, code snippets review, and file-focused review.
+---
+
+# Backend Code Review
+
+## When to use this skill
+
+Use this skill whenever the user asks to **review, analyze, or improve** backend code (e.g., `.py`) under the `api/` directory. Supports the following review modes:
+
+- **Pending-change review**: when the user asks to review current changes (inspect staged/working-tree files slated for commit to get the changes).
+- **Code snippets review**: when the user pastes code snippets (e.g., a function/class/module excerpt) into the chat and asks for a review.
+- **File-focused review**: when the user points to specific files and asks for a review of those files (one file or a small, explicit set of files, e.g., `api/...`, `api/app.py`).
+
+Do NOT use this skill when:
+
+- The request is about frontend code or UI (e.g., `.tsx`, `.ts`, `.js`, `web/`).
+- The user is not asking for a review/analysis/improvement of backend code.
+- The scope is not under `api/` (unless the user explicitly asks to review backend-related changes outside `api/`).
+
+## How to use this skill
+
+Follow these steps when using this skill:
+
+1. **Identify the review mode** (pending-change vs snippet vs file-focused) based on the user’s input. Keep the scope tight: review only what the user provided or explicitly referenced.
+2. Follow the rules defined in **Checklist** to perform the review. If no Checklist rule matches, apply **General Review Rules** as a fallback to perform the best-effort review.
+3. Compose the final output strictly follow the **Required Output Format**.
+
+Notes when using this skill:
+- Always include actionable fixes or suggestions (including possible code snippets).
+- Use best-effort `File:Line` references when a file path and line numbers are available; otherwise, use the most specific identifier you can.
+
+## Checklist
+
+- db schema design: if the review scope includes code/files under `api/models/` or `api/migrations/`, follow [references/db-schema-rule.md](references/db-schema-rule.md) to perform the review
+- architecture: if the review scope involves controller/service/core-domain/libs/model layering, dependency direction, or moving responsibilities across modules, follow [references/architecture-rule.md](references/architecture-rule.md) to perform the review
+- repositories abstraction: if the review scope contains table/model operations (e.g., `select(...)`, `session.execute(...)`, joins, CRUD) and is not under `api/repositories`, `api/core/repositories`, or `api/extensions/*/repositories/`, follow [references/repositories-rule.md](references/repositories-rule.md) to perform the review
+- sqlalchemy patterns: if the review scope involves SQLAlchemy session/query usage, db transaction/crud usage, or raw SQL usage, follow [references/sqlalchemy-rule.md](references/sqlalchemy-rule.md) to perform the review
+
+## General Review Rules
+
+### 1. Security Review
+
+Check for:
+- SQL injection vulnerabilities
+- Server-Side Request Forgery (SSRF)
+- Command injection
+- Insecure deserialization
+- Hardcoded secrets/credentials
+- Improper authentication/authorization
+- Insecure direct object references
+
+### 2. Performance Review
+
+Check for:
+- N+1 queries
+- Missing database indexes
+- Memory leaks
+- Blocking operations in async code
+- Missing caching opportunities
+
+### 3. Code Quality Review
+
+Check for:
+- Code forward compatibility
+- Code duplication (DRY violations)
+- Functions doing too much (SRP violations)
+- Deep nesting / complex conditionals
+- Magic numbers/strings
+- Poor naming
+- Missing error handling
+- Incomplete type coverage
+
+### 4. Testing Review
+
+Check for:
+- Missing test coverage for new code
+- Tests that don't test behavior
+- Flaky test patterns
+- Missing edge cases
+
+## Required Output Format
+
+When this skill invoked, the response must exactly follow one of the two templates:
+
+### Template A (any findings)
+
+```markdown
+# Code Review Summary
+
+Found <X> critical issues need to be fixed:
+
+## 🔴 Critical (Must Fix)
+
+### 1. <brief description of the issue>
+
+FilePath: <path> line <line>
+<relevant code snippet or pointer>
+
+#### Explanation
+
+<detailed explanation and references of the issue>
+
+#### Suggested Fix
+
+1. <brief description of suggested fix>
+2. <code example> (optional, omit if not applicable)
+
+---
+... (repeat for each critical issue) ...
+
+Found <Y> suggestions for improvement:
+
+## 🟡 Suggestions (Should Consider)
+
+### 1. <brief description of the suggestion>
+
+FilePath: <path> line <line>
+<relevant code snippet or pointer>
+
+#### Explanation
+
+<detailed explanation and references of the suggestion>
+
+#### Suggested Fix
+
+1. <brief description of suggested fix>
+2. <code example> (optional, omit if not applicable)
+
+---
+... (repeat for each suggestion) ...
+
+Found <Z> optional nits:
+
+## 🟢 Nits (Optional)
+### 1. <brief description of the nit>
+
+FilePath: <path> line <line>
+<relevant code snippet or pointer>
+
+#### Explanation
+
+<explanation and references of the optional nit>
+
+#### Suggested Fix
+
+- <minor suggestions>
+
+---
+... (repeat for each nits) ...
+
+## ✅ What's Good
+
+- <Positive feedback on good patterns>
+```
+
+- If there are no critical issues or suggestions or option nits or good points, just omit that section.
+- If the issue number is more than 10, summarize as "Found 10+ critical issues/suggestions/optional nits" and only output the first 10 items.
+- Don't compress the blank lines between sections; keep them as-is for readability.
+- If there is any issue requires code changes, append a brief follow-up question to ask whether the user wants to apply the fix(es) after the structured output. For example: "Would you like me to use the Suggested fix(es) to address these issues?"
+
+### Template B (no issues)
+
+```markdown
+## Code Review Summary
+✅ No issues found.
+```

.agents/skills/backend-code-review/references/architecture-rule.md

@@ -0,0 +1,91 @@
+# Rule Catalog — Architecture
+
+## Scope
+- Covers: controller/service/core-domain/libs/model layering, dependency direction, responsibility placement, observability-friendly flow.
+
+## Rules
+
+### Keep business logic out of controllers
+- Category: maintainability
+- Severity: critical
+- Description: Controllers should parse input, call services, and return serialized responses. Business decisions inside controllers make behavior hard to reuse and test.
+- Suggested fix: Move domain/business logic into the service or core/domain layer. Keep controller handlers thin and orchestration-focused.
+- Example:
+  - Bad:
+    ```python
+    @bp.post("/apps/<app_id>/publish")
+    def publish_app(app_id: str):
+        payload = request.get_json() or {}
+        if payload.get("force") and current_user.role != "admin":
+            raise ValueError("only admin can force publish")
+        app = App.query.get(app_id)
+        app.status = "published"
+        db.session.commit()
+        return {"result": "ok"}
+    ```
+  - Good:
+    ```python
+    @bp.post("/apps/<app_id>/publish")
+    def publish_app(app_id: str):
+        payload = PublishRequest.model_validate(request.get_json() or {})
+        app_service.publish_app(app_id=app_id, force=payload.force, actor_id=current_user.id)
+        return {"result": "ok"}
+    ```
+
+### Preserve layer dependency direction
+- Category: best practices
+- Severity: critical
+- Description: Controllers may depend on services, and services may depend on core/domain abstractions. Reversing this direction (for example, core importing controller/web modules) creates cycles and leaks transport concerns into domain code.
+- Suggested fix: Extract shared contracts into core/domain or service-level modules and make upper layers depend on lower, not the reverse.
+- Example:
+  - Bad:
+    ```python
+    # core/policy/publish_policy.py
+    from controllers.console.app import request_context
+
+    def can_publish() -> bool:
+        return request_context.current_user.is_admin
+    ```
+  - Good:
+    ```python
+    # core/policy/publish_policy.py
+    def can_publish(role: str) -> bool:
+        return role == "admin"
+
+    # service layer adapts web/user context to domain input
+    allowed = can_publish(role=current_user.role)
+    ```
+
+### Keep libs business-agnostic
+- Category: maintainability
+- Severity: critical
+- Description: Modules under `api/libs/` should remain reusable, business-agnostic building blocks. They must not encode product/domain-specific rules, workflow orchestration, or business decisions.
+- Suggested fix:
+  - If business logic appears in `api/libs/`, extract it into the appropriate `services/` or `core/` module and keep `libs` focused on generic, cross-cutting helpers.
+  - Keep `libs` dependencies clean: avoid importing service/controller/domain-specific modules into `api/libs/`.
+- Example:
+  - Bad:
+    ```python
+    # api/libs/conversation_filter.py
+    from services.conversation_service import ConversationService
+
+    def should_archive_conversation(conversation, tenant_id: str) -> bool:
+        # Domain policy and service dependency are leaking into libs.
+        service = ConversationService()
+        if service.has_paid_plan(tenant_id):
+            return conversation.idle_days > 90
+        return conversation.idle_days > 30
+    ```
+  - Good:
+    ```python
+    # api/libs/datetime_utils.py (business-agnostic helper)
+    def older_than_days(idle_days: int, threshold_days: int) -> bool:
+        return idle_days > threshold_days
+
+    # services/conversation_service.py (business logic stays in service/core)
+    from libs.datetime_utils import older_than_days
+
+    def should_archive_conversation(conversation, tenant_id: str) -> bool:
+        threshold_days = 90 if has_paid_plan(tenant_id) else 30
+        return older_than_days(conversation.idle_days, threshold_days)
+    ```

.agents/skills/backend-code-review/references/db-schema-rule.md

@@ -0,0 +1,157 @@
+# Rule Catalog — DB Schema Design
+
+## Scope
+- Covers: model/base inheritance, schema boundaries in model properties, tenant-aware schema design, index redundancy checks, dialect portability in models, and cross-database compatibility in migrations.
+- Does NOT cover: session lifecycle, transaction boundaries, and query execution patterns (handled by `sqlalchemy-rule.md`).
+
+## Rules
+
+### Do not query other tables inside `@property`
+- Category: [maintainability, performance]
+- Severity: critical
+- Description: A model `@property` must not open sessions or query other tables. This hides dependencies across models, tightly couples schema objects to data access, and can cause N+1 query explosions when iterating collections.
+- Suggested fix:
+  - Keep model properties pure and local to already-loaded fields.
+  - Move cross-table data fetching to service/repository methods.
+  - For list/batch reads, fetch required related data explicitly (join/preload/bulk query) before rendering derived values.
+- Example:
+  - Bad:
+    ```python
+    class Conversation(TypeBase):
+        __tablename__ = "conversations"
+
+        @property
+        def app_name(self) -> str:
+            with Session(db.engine, expire_on_commit=False) as session:
+                app = session.execute(select(App).where(App.id == self.app_id)).scalar_one()
+                return app.name
+    ```
+  - Good:
+    ```python
+    class Conversation(TypeBase):
+        __tablename__ = "conversations"
+
+        @property
+        def display_title(self) -> str:
+            return self.name or "Untitled"
+
+
+    # Service/repository layer performs explicit batch fetch for related App rows.
+    ```
+
+### Prefer including `tenant_id` in model definitions
+- Category: maintainability
+- Severity: suggestion
+- Description: In multi-tenant domains, include `tenant_id` in schema definitions whenever the entity belongs to tenant-owned data. This improves data isolation safety and keeps future partitioning/sharding strategies practical as data volume grows.
+- Suggested fix:
+  - Add a `tenant_id` column and ensure related unique/index constraints include tenant dimension when applicable.
+  - Propagate `tenant_id` through service/repository contracts to keep access paths tenant-aware.
+  - Exception: if a table is explicitly designed as non-tenant-scoped global metadata, document that design decision clearly.
+- Example:
+  - Bad:
+    ```python
+    from sqlalchemy.orm import Mapped
+
+    class Dataset(TypeBase):
+        __tablename__ = "datasets"
+        id: Mapped[str] = mapped_column(StringUUID, primary_key=True)
+        name: Mapped[str] = mapped_column(sa.String(255), nullable=False)
+    ```
+  - Good:
+    ```python
+    from sqlalchemy.orm import Mapped
+
+    class Dataset(TypeBase):
+        __tablename__ = "datasets"
+        id: Mapped[str] = mapped_column(StringUUID, primary_key=True)
+        tenant_id: Mapped[str] = mapped_column(StringUUID, nullable=False, index=True)
+        name: Mapped[str] = mapped_column(sa.String(255), nullable=False)
+    ```
+
+### Detect and avoid duplicate/redundant indexes
+- Category: performance
+- Severity: suggestion
+- Description: Review index definitions for leftmost-prefix redundancy. For example, index `(a, b, c)` can safely cover most lookups for `(a, b)`. Keeping both may increase write overhead and can mislead the optimizer into suboptimal execution plans.
+- Suggested fix:
+  - Before adding an index, compare against existing composite indexes by leftmost-prefix rules.
+  - Drop or avoid creating redundant prefixes unless there is a proven query-pattern need.
+  - Apply the same review standard in both model `__table_args__` and migration index DDL.
+- Example:
+  - Bad:
+    ```python
+    __table_args__ = (
+        sa.Index("idx_msg_tenant_app", "tenant_id", "app_id"),
+        sa.Index("idx_msg_tenant_app_created", "tenant_id", "app_id", "created_at"),
+    )
+    ```
+  - Good:
+    ```python
+    __table_args__ = (
+        # Keep the wider index unless profiling proves a dedicated short index is needed.
+        sa.Index("idx_msg_tenant_app_created", "tenant_id", "app_id", "created_at"),
+    )
+    ```
+
+### Avoid PostgreSQL-only dialect usage in models; wrap in `models.types`
+- Category: maintainability
+- Severity: critical
+- Description: Model/schema definitions should avoid PostgreSQL-only constructs directly in business models. When database-specific behavior is required, encapsulate it in `api/models/types.py` using both PostgreSQL and MySQL dialect implementations, then consume that abstraction from model code.
+- Suggested fix:
+  - Do not directly place dialect-only types/operators in model columns when a portable wrapper can be used.
+  - Add or extend wrappers in `models.types` (for example, `AdjustedJSON`, `LongText`, `BinaryData`) to normalize behavior across PostgreSQL and MySQL.
+- Example:
+  - Bad:
+    ```python
+    from sqlalchemy.dialects.postgresql import JSONB
+    from sqlalchemy.orm import Mapped
+
+    class ToolConfig(TypeBase):
+        __tablename__ = "tool_configs"
+        config: Mapped[dict] = mapped_column(JSONB, nullable=False)
+    ```
+  - Good:
+    ```python
+    from sqlalchemy.orm import Mapped
+
+    from models.types import AdjustedJSON
+
+    class ToolConfig(TypeBase):
+        __tablename__ = "tool_configs"
+        config: Mapped[dict] = mapped_column(AdjustedJSON(), nullable=False)
+    ```
+
+### Guard migration incompatibilities with dialect checks and shared types
+- Category: maintainability
+- Severity: critical
+- Description: Migration scripts under `api/migrations/versions/` must account for PostgreSQL/MySQL incompatibilities explicitly. For dialect-sensitive DDL or defaults, branch on the active dialect (for example, `conn.dialect.name == "postgresql"`), and prefer reusable compatibility abstractions from `models.types` where applicable.
+- Suggested fix:
+  - In migration upgrades/downgrades, bind connection and branch by dialect for incompatible SQL fragments.
+  - Reuse `models.types` wrappers in column definitions when that keeps behavior aligned with runtime models.
+  - Avoid one-dialect-only migration logic unless there is a documented, deliberate compatibility exception.
+- Example:
+  - Bad:
+    ```python
+    with op.batch_alter_table("dataset_keyword_tables") as batch_op:
+        batch_op.add_column(
+            sa.Column(
+                "data_source_type",
+                sa.String(255),
+                server_default=sa.text("'database'::character varying"),
+                nullable=False,
+            )
+        )
+    ```
+  - Good:
+    ```python
+    def _is_pg(conn) -> bool:
+        return conn.dialect.name == "postgresql"
+
+
+    conn = op.get_bind()
+    default_expr = sa.text("'database'::character varying") if _is_pg(conn) else sa.text("'database'")
+
+    with op.batch_alter_table("dataset_keyword_tables") as batch_op:
+        batch_op.add_column(
+            sa.Column("data_source_type", sa.String(255), server_default=default_expr, nullable=False)
+        )
+    ```

.agents/skills/backend-code-review/references/repositories-rule.md

@@ -0,0 +1,61 @@
+# Rule Catalog - Repositories Abstraction
+
+## Scope
+- Covers: when to reuse existing repository abstractions, when to introduce new repositories, and how to preserve dependency direction between service/core and infrastructure implementations.
+- Does NOT cover: SQLAlchemy session lifecycle and query-shape specifics (handled by `sqlalchemy-rule.md`), and table schema/migration design (handled by `db-schema-rule.md`).
+
+## Rules
+
+### Introduce repositories abstraction
+- Category: maintainability
+- Severity: suggestion
+- Description: If a table/model already has a repository abstraction, all reads/writes/queries for that table should use the existing repository. If no repository exists, introduce one only when complexity justifies it, such as large/high-volume tables, repeated complex query logic, or likely storage-strategy variation.
+- Suggested fix:
+  - First check  `api/repositories`, `api/core/repositories`, and `api/extensions/*/repositories/` to verify whether the table/model already has a repository abstraction. If it exists, route all operations through it and add missing repository methods instead of bypassing it with ad-hoc SQLAlchemy access.
+  - If no repository exists, add one only when complexity warrants it (for example, repeated complex queries, large data domains, or multiple storage strategies), while preserving dependency direction (service/core depends on abstraction; infra provides implementation).
+- Example:
+  - Bad:
+    ```python
+    # Existing repository is ignored and service uses ad-hoc table queries.
+    class AppService:
+        def archive_app(self, app_id: str, tenant_id: str) -> None:
+            app = self.session.execute(
+                select(App).where(App.id == app_id, App.tenant_id == tenant_id)
+            ).scalar_one()
+            app.archived = True
+            self.session.commit()
+    ```
+  - Good:
+    ```python
+    # Case A: Existing repository must be reused for all table operations.
+    class AppService:
+        def archive_app(self, app_id: str, tenant_id: str) -> None:
+            app = self.app_repo.get_by_id(app_id=app_id, tenant_id=tenant_id)
+            app.archived = True
+            self.app_repo.save(app)
+
+    # If the query is missing, extend the existing abstraction.
+    active_apps = self.app_repo.list_active_for_tenant(tenant_id=tenant_id)
+    ```
+  - Bad:
+    ```python
+    # No repository exists, but large-domain query logic is scattered in service code.
+    class ConversationService:
+        def list_recent_for_app(self, app_id: str, tenant_id: str, limit: int) -> list[Conversation]:
+            ...
+            # many filters/joins/pagination variants duplicated across services
+    ```
+  - Good:
+    ```python
+    # Case B: Introduce repository for large/complex domains or storage variation.
+    class ConversationRepository(Protocol):
+        def list_recent_for_app(self, app_id: str, tenant_id: str, limit: int) -> list[Conversation]: ...
+
+    class SqlAlchemyConversationRepository:
+        def list_recent_for_app(self, app_id: str, tenant_id: str, limit: int) -> list[Conversation]:
+            ...
+
+    class ConversationService:
+        def __init__(self, conversation_repo: ConversationRepository):
+            self.conversation_repo = conversation_repo
+    ```

.agents/skills/backend-code-review/references/sqlalchemy-rule.md

@@ -0,0 +1,139 @@
+# Rule Catalog — SQLAlchemy Patterns
+
+## Scope
+- Covers: SQLAlchemy session and transaction lifecycle, query construction, tenant scoping, raw SQL boundaries, and write-path concurrency safeguards.
+- Does NOT cover: table/model schema and migration design details (handled by `db-schema-rule.md`).
+
+## Rules
+
+### Use Session context manager with explicit transaction control behavior
+- Category: best practices
+- Severity: critical
+- Description: Session and transaction lifecycle must be explicit and bounded on write paths. Missing commits can silently drop intended updates, while ad-hoc or long-lived transactions increase contention, lock duration, and deadlock risk.
+- Suggested fix:
+  - Use **explicit `session.commit()`** after completing a related write unit.
+  - Or use **`session.begin()` context manager** for automatic commit/rollback on a scoped block.
+  - Keep transaction windows short: avoid network I/O, heavy computation, or unrelated work inside the transaction.
+- Example:
+  - Bad:
+    ```python
+    # Missing commit: write may never be persisted.
+    with Session(db.engine, expire_on_commit=False) as session:
+        run = session.get(WorkflowRun, run_id)
+        run.status = "cancelled"
+
+    # Long transaction: external I/O inside a DB transaction.
+    with Session(db.engine, expire_on_commit=False) as session, session.begin():
+        run = session.get(WorkflowRun, run_id)
+        run.status = "cancelled"
+        call_external_api()
+    ```
+  - Good:
+    ```python
+    # Option 1: explicit commit.
+    with Session(db.engine, expire_on_commit=False) as session:
+        run = session.get(WorkflowRun, run_id)
+        run.status = "cancelled"
+        session.commit()
+
+    # Option 2: scoped transaction with automatic commit/rollback.
+    with Session(db.engine, expire_on_commit=False) as session, session.begin():
+        run = session.get(WorkflowRun, run_id)
+        run.status = "cancelled"
+
+    # Keep non-DB work outside transaction scope.
+    call_external_api()
+    ```
+
+### Enforce tenant_id scoping on shared-resource queries
+- Category: security
+- Severity: critical
+- Description: Reads and writes against shared tables must be scoped by `tenant_id` to prevent cross-tenant data leakage or corruption.
+- Suggested fix: Add `tenant_id` predicate to all tenant-owned entity queries and propagate tenant context through service/repository interfaces.
+- Example:
+  - Bad:
+    ```python
+    stmt = select(Workflow).where(Workflow.id == workflow_id)
+    workflow = session.execute(stmt).scalar_one_or_none()
+    ```
+  - Good:
+    ```python
+    stmt = select(Workflow).where(
+        Workflow.id == workflow_id,
+        Workflow.tenant_id == tenant_id,
+    )
+    workflow = session.execute(stmt).scalar_one_or_none()
+    ```
+
+### Prefer SQLAlchemy expressions over raw SQL by default
+- Category: maintainability
+- Severity: suggestion
+- Description: Raw SQL should be exceptional. ORM/Core expressions are easier to evolve, safer to compose, and more consistent with the codebase.
+- Suggested fix: Rewrite straightforward raw SQL into SQLAlchemy `select/update/delete` expressions; keep raw SQL only when required by clear technical constraints.
+- Example:
+  - Bad:
+    ```python
+    row = session.execute(
+        text("SELECT * FROM workflows WHERE id = :id AND tenant_id = :tenant_id"),
+        {"id": workflow_id, "tenant_id": tenant_id},
+    ).first()
+    ```
+  - Good:
+    ```python
+    stmt = select(Workflow).where(
+        Workflow.id == workflow_id,
+        Workflow.tenant_id == tenant_id,
+    )
+    row = session.execute(stmt).scalar_one_or_none()
+    ```
+
+### Protect write paths with concurrency safeguards
+- Category: quality
+- Severity: critical
+- Description: Multi-writer paths without explicit concurrency control can silently overwrite data. Choose the safeguard based on contention level, lock scope, and throughput cost instead of defaulting to one strategy.
+- Suggested fix:
+  - **Optimistic locking**: Use when contention is usually low and retries are acceptable. Add a version (or updated_at) guard in `WHERE` and treat `rowcount == 0` as a conflict.
+  - **Redis distributed lock**: Use when the critical section spans multiple steps/processes (or includes non-DB side effects) and you need cross-worker mutual exclusion.
+  - **SELECT ... FOR UPDATE**: Use when contention is high on the same rows and strict in-transaction serialization is required. Keep transactions short to reduce lock wait/deadlock risk.
+  - In all cases, scope by `tenant_id` and verify affected row counts for conditional writes.
+- Example:
+  - Bad:
+    ```python
+    # No tenant scope, no conflict detection, and no lock on a contested write path.
+    session.execute(update(WorkflowRun).where(WorkflowRun.id == run_id).values(status="cancelled"))
+    session.commit()  # silently overwrites concurrent updates
+    ```
+  - Good:
+    ```python
+    # 1) Optimistic lock (low contention, retry on conflict)
+    result = session.execute(
+        update(WorkflowRun)
+        .where(
+            WorkflowRun.id == run_id,
+            WorkflowRun.tenant_id == tenant_id,
+            WorkflowRun.version == expected_version,
+        )
+        .values(status="cancelled", version=WorkflowRun.version + 1)
+    )
+    if result.rowcount == 0:
+        raise WorkflowStateConflictError("stale version, retry")
+
+    # 2) Redis distributed lock (cross-worker critical section)
+    lock_name = f"workflow_run_lock:{tenant_id}:{run_id}"
+    with redis_client.lock(lock_name, timeout=20):
+        session.execute(
+            update(WorkflowRun)
+            .where(WorkflowRun.id == run_id, WorkflowRun.tenant_id == tenant_id)
+            .values(status="cancelled")
+        )
+        session.commit()
+
+    # 3) Pessimistic lock with SELECT ... FOR UPDATE (high contention)
+    run = session.execute(
+        select(WorkflowRun)
+        .where(WorkflowRun.id == run_id, WorkflowRun.tenant_id == tenant_id)
+        .with_for_update()
+    ).scalar_one()
+    run.status = "cancelled"
+    session.commit()
+    ```

.agents/skills/component-refactoring/SKILL.md

@@ -187,53 +187,12 @@ const Template = useMemo(() => {
 
 **When**: Component directly handles API calls, data transformation, or complex async operations.
 
-**Dify Convention**: Use `@tanstack/react-query` hooks from `web/service/use-*.ts` or create custom data hooks.
-
-```typescript
-// ❌ Before: API logic in component
-const MCPServiceCard = () => {
-  const [basicAppConfig, setBasicAppConfig] = useState({})
-  
-  useEffect(() => {
-    if (isBasicApp && appId) {
-      (async () => {
-        const res = await fetchAppDetail({ url: '/apps', id: appId })
-        setBasicAppConfig(res?.model_config || {})
-      })()
-    }
-  }, [appId, isBasicApp])
-  
-  // More API-related logic...
-}
-
-// ✅ After: Extract to data hook using React Query
-// use-app-config.ts
-import { useQuery } from '@tanstack/react-query'
-import { get } from '@/service/base'
-
-const NAME_SPACE = 'appConfig'
-
-export const useAppConfig = (appId: string, isBasicApp: boolean) => {
-  return useQuery({
-    enabled: isBasicApp && !!appId,
-    queryKey: [NAME_SPACE, 'detail', appId],
-    queryFn: () => get<AppDetailResponse>(`/apps/${appId}`),
-    select: data => data?.model_config || {},
-  })
-}
-
-// Component becomes cleaner
-const MCPServiceCard = () => {
-  const { data: config, isLoading } = useAppConfig(appId, isBasicApp)
-  // UI only
-}
-```
-
-**React Query Best Practices in Dify**:
-- Define `NAME_SPACE` for query key organization
-- Use `enabled` option for conditional fetching
-- Use `select` for data transformation
-- Export invalidation hooks: `useInvalidXxx`
+**Dify Convention**:
+- This skill is for component decomposition, not query/mutation design.
+- When refactoring data fetching, follow `web/AGENTS.md`.
+- Use `frontend-query-mutation` for contracts, query shape, data-fetching wrappers, query/mutation call-site patterns, conditional queries, invalidation, and mutation error handling.
+- Do not introduce deprecated `useInvalid` / `useReset`.
+- Do not add thin passthrough `useQuery` wrappers during refactoring; only extract a custom hook when it truly orchestrates multiple queries/mutations or shared derived state.
 
 **Dify Examples**:
 - `web/service/use-workflow.ts`
@@ -480,4 +439,4 @@ const useButtonState = () => {
 ### Related Skills
 
 - `frontend-testing` - For testing refactored components
-- `web/testing/testing.md` - Testing specification
+- `web/docs/test.md` - Testing specification

.agents/skills/component-refactoring/references/hook-extraction.md

@@ -155,48 +155,14 @@ const Configuration: FC = () => {
 
 ## Common Hook Patterns in Dify
 
-### 1. Data Fetching Hook (React Query)
+### 1. Data Fetching / Mutation Hooks
 
-```typescript
-// Pattern: Use @tanstack/react-query for data fetching
-import { useQuery, useQueryClient } from '@tanstack/react-query'
-import { get } from '@/service/base'
-import { useInvalid } from '@/service/use-base'
+When hook extraction touches query or mutation code, do not use this reference as the source of truth for data-layer patterns.
 
-const NAME_SPACE = 'appConfig'
-
-// Query keys for cache management
-export const appConfigQueryKeys = {
-  detail: (appId: string) => [NAME_SPACE, 'detail', appId] as const,
-}
-
-// Main data hook
-export const useAppConfig = (appId: string) => {
-  return useQuery({
-    enabled: !!appId,
-    queryKey: appConfigQueryKeys.detail(appId),
-    queryFn: () => get<AppDetailResponse>(`/apps/${appId}`),
-    select: data => data?.model_config || null,
-  })
-}
-
-// Invalidation hook for refreshing data
-export const useInvalidAppConfig = () => {
-  return useInvalid([NAME_SPACE])
-}
-
-// Usage in component
-const Component = () => {
-  const { data: config, isLoading, error, refetch } = useAppConfig(appId)
-  const invalidAppConfig = useInvalidAppConfig()
-  
-  const handleRefresh = () => {
-    invalidAppConfig() // Invalidates cache and triggers refetch
-  }
-  
-  return <div>...</div>
-}
-```
+- Follow `web/AGENTS.md` first.
+- Use `frontend-query-mutation` for contracts, query shape, data-fetching wrappers, query/mutation call-site patterns, conditional queries, invalidation, and mutation error handling.
+- Do not introduce deprecated `useInvalid` / `useReset`.
+- Do not extract thin passthrough `useQuery` hooks; only extract orchestration hooks.
 
 ### 2. Form State Hook
 

.agents/skills/frontend-query-mutation/SKILL.md

@@ -0,0 +1,44 @@
+---
+name: frontend-query-mutation
+description: Guide for implementing Dify frontend query and mutation patterns with TanStack Query and oRPC. Trigger when creating or updating contracts in web/contract, wiring router composition, consuming consoleQuery or marketplaceQuery in components or services, deciding whether to call queryOptions() directly or extract a helper or use-* hook, handling conditional queries, cache invalidation, mutation error handling, or migrating legacy service calls to contract-first query and mutation helpers.
+---
+
+# Frontend Query & Mutation
+
+## Intent
+
+- Keep contract as the single source of truth in `web/contract/*`.
+- Prefer contract-shaped `queryOptions()` and `mutationOptions()`.
+- Keep invalidation and mutation flow knowledge in the service layer.
+- Keep abstractions minimal to preserve TypeScript inference.
+
+## Workflow
+
+1. Identify the change surface.
+   - Read `references/contract-patterns.md` for contract files, router composition, client helpers, and query or mutation call-site shape.
+   - Read `references/runtime-rules.md` for conditional queries, invalidation, error handling, and legacy migrations.
+   - Read both references when a task spans contract shape and runtime behavior.
+2. Implement the smallest abstraction that fits the task.
+   - Default to direct `useQuery(...)` or `useMutation(...)` calls with oRPC helpers at the call site.
+   - Extract a small shared query helper only when multiple call sites share the same extra options.
+   - Create `web/service/use-{domain}.ts` only for orchestration or shared domain behavior.
+3. Preserve Dify conventions.
+   - Keep contract inputs in `{ params, query?, body? }` shape.
+   - Bind invalidation in the service-layer mutation definition.
+   - Prefer `mutate(...)`; use `mutateAsync(...)` only when Promise semantics are required.
+
+## Files Commonly Touched
+
+- `web/contract/console/*.ts`
+- `web/contract/marketplace.ts`
+- `web/contract/router.ts`
+- `web/service/client.ts`
+- `web/service/use-*.ts`
+- component and hook call sites using `consoleQuery` or `marketplaceQuery`
+
+## References
+
+- Use `references/contract-patterns.md` for contract shape, router registration, query and mutation helpers, and anti-patterns that degrade inference.
+- Use `references/runtime-rules.md` for conditional queries, invalidation, `mutate` versus `mutateAsync`, and legacy migration rules.
+
+Treat this skill as the single query and mutation entry point for Dify frontend work. Keep detailed rules in the reference files instead of duplicating them in project docs.

.agents/skills/frontend-query-mutation/agents/openai.yaml

@@ -0,0 +1,4 @@
+interface:
+  display_name: "Frontend Query & Mutation"
+  short_description: "Dify TanStack Query and oRPC patterns"
+  default_prompt: "Use this skill when implementing or reviewing Dify frontend contracts, query and mutation call sites, conditional queries, invalidation, or legacy query/mutation migrations."

.agents/skills/frontend-query-mutation/references/contract-patterns.md

@@ -0,0 +1,98 @@
+# Contract Patterns
+
+## Table of Contents
+
+- Intent
+- Minimal structure
+- Core workflow
+- Query usage decision rule
+- Mutation usage decision rule
+- Anti-patterns
+- Contract rules
+- Type export
+
+## Intent
+
+- Keep contract as the single source of truth in `web/contract/*`.
+- Default query usage to call-site `useQuery(consoleQuery|marketplaceQuery.xxx.queryOptions(...))` when endpoint behavior maps 1:1 to the contract.
+- Keep abstractions minimal and preserve TypeScript inference.
+
+## Minimal Structure
+
+```text
+web/contract/
+├── base.ts
+├── router.ts
+├── marketplace.ts
+└── console/
+    ├── billing.ts
+    └── ...other domains
+web/service/client.ts
+```
+
+## Core Workflow
+
+1. Define contract in `web/contract/console/{domain}.ts` or `web/contract/marketplace.ts`.
+   - Use `base.route({...}).output(type<...>())` as the baseline.
+   - Add `.input(type<...>())` only when the request has `params`, `query`, or `body`.
+   - For `GET` without input, omit `.input(...)`; do not use `.input(type<unknown>())`.
+2. Register contract in `web/contract/router.ts`.
+   - Import directly from domain files and nest by API prefix.
+3. Consume from UI call sites via oRPC query utilities.
+
+```typescript
+import { useQuery } from '@tanstack/react-query'
+import { consoleQuery } from '@/service/client'
+
+const invoiceQuery = useQuery(consoleQuery.billing.invoices.queryOptions({
+  staleTime: 5 * 60 * 1000,
+  throwOnError: true,
+  select: invoice => invoice.url,
+}))
+```
+
+## Query Usage Decision Rule
+
+1. Default to direct `*.queryOptions(...)` usage at the call site.
+2. If 3 or more call sites share the same extra options, extract a small query helper, not a `use-*` passthrough hook.
+3. Create `web/service/use-{domain}.ts` only for orchestration.
+   - Combine multiple queries or mutations.
+   - Share domain-level derived state or invalidation helpers.
+
+```typescript
+const invoicesBaseQueryOptions = () =>
+  consoleQuery.billing.invoices.queryOptions({ retry: false })
+
+const invoiceQuery = useQuery({
+  ...invoicesBaseQueryOptions(),
+  throwOnError: true,
+})
+```
+
+## Mutation Usage Decision Rule
+
+1. Default to mutation helpers from `consoleQuery` or `marketplaceQuery`, for example `useMutation(consoleQuery.billing.bindPartnerStack.mutationOptions(...))`.
+2. If the mutation flow is heavily custom, use oRPC clients as `mutationFn`, for example `consoleClient.xxx` or `marketplaceClient.xxx`, instead of handwritten non-oRPC mutation logic.
+
+## Anti-Patterns
+
+- Do not wrap `useQuery` with `options?: Partial<UseQueryOptions>`.
+- Do not split local `queryKey` and `queryFn` when oRPC `queryOptions` already exists and fits the use case.
+- Do not create thin `use-*` passthrough hooks for a single endpoint.
+- These patterns can degrade inference, especially around `throwOnError` and `select`, and add unnecessary indirection.
+
+## Contract Rules
+
+- Input structure: always use `{ params, query?, body? }`.
+- No-input `GET`: omit `.input(...)`; do not use `.input(type<unknown>())`.
+- Path params: use `{paramName}` in the path and match it in the `params` object.
+- Router nesting: group by API prefix, for example `/billing/*` becomes `billing: {}`.
+- No barrel files: import directly from specific files.
+- Types: import from `@/types/` and use the `type<T>()` helper.
+- Mutations: prefer `mutationOptions`; use explicit `mutationKey` mainly for defaults, filtering, and devtools.
+
+## Type Export
+
+```typescript
+export type ConsoleInputs = InferContractRouterInputs<typeof consoleRouterContract>
+```

.agents/skills/frontend-query-mutation/references/runtime-rules.md

@@ -0,0 +1,130 @@
+# Runtime Rules
+
+## Table of Contents
+
+- Conditional queries
+- Cache invalidation
+- Key API guide
+- `mutate` vs `mutateAsync`
+- Legacy migration
+
+## Conditional Queries
+
+Prefer contract-shaped `queryOptions(...)`.
+When required input is missing, prefer `input: skipToken` instead of placeholder params or non-null assertions.
+Use `enabled` only for extra business gating after the input itself is already valid.
+
+```typescript
+import { skipToken, useQuery } from '@tanstack/react-query'
+
+// Disable the query by skipping input construction.
+function useAccessMode(appId: string | undefined) {
+  return useQuery(consoleQuery.accessControl.appAccessMode.queryOptions({
+    input: appId
+      ? { params: { appId } }
+      : skipToken,
+  }))
+}
+
+// Avoid runtime-only guards that bypass type checking.
+function useBadAccessMode(appId: string | undefined) {
+  return useQuery(consoleQuery.accessControl.appAccessMode.queryOptions({
+    input: { params: { appId: appId! } },
+    enabled: !!appId,
+  }))
+}
+```
+
+## Cache Invalidation
+
+Bind invalidation in the service-layer mutation definition.
+Components may add UI feedback in call-site callbacks, but they should not decide which queries to invalidate.
+
+Use:
+
+- `.key()` for namespace or prefix invalidation
+- `.queryKey(...)` only for exact cache reads or writes such as `getQueryData` and `setQueryData`
+- `queryClient.invalidateQueries(...)` in mutation `onSuccess`
+
+Do not use deprecated `useInvalid` from `use-base.ts`.
+
+```typescript
+// Service layer owns cache invalidation.
+export const useUpdateAccessMode = () => {
+  const queryClient = useQueryClient()
+
+  return useMutation(consoleQuery.accessControl.updateAccessMode.mutationOptions({
+    onSuccess: () => {
+      queryClient.invalidateQueries({
+        queryKey: consoleQuery.accessControl.appWhitelistSubjects.key(),
+      })
+    },
+  }))
+}
+
+// Component only adds UI behavior.
+updateAccessMode({ appId, mode }, {
+  onSuccess: () => toast.success('...'),
+})
+
+// Avoid putting invalidation knowledge in the component.
+mutate({ appId, mode }, {
+  onSuccess: () => {
+    queryClient.invalidateQueries({
+      queryKey: consoleQuery.accessControl.appWhitelistSubjects.key(),
+    })
+  },
+})
+```
+
+## Key API Guide
+
+- `.key(...)`
+  - Use for partial matching operations.
+  - Prefer it for invalidation, refetch, and cancel patterns.
+  - Example: `queryClient.invalidateQueries({ queryKey: consoleQuery.billing.key() })`
+- `.queryKey(...)`
+  - Use for a specific query's full key.
+  - Prefer it for exact cache addressing and direct reads or writes.
+- `.mutationKey(...)`
+  - Use for a specific mutation's full key.
+  - Prefer it for mutation defaults registration, mutation-status filtering, and devtools grouping.
+
+## `mutate` vs `mutateAsync`
+
+Prefer `mutate` by default.
+Use `mutateAsync` only when Promise semantics are truly required, such as parallel mutations or sequential steps with result dependencies.
+
+Rules:
+
+- Event handlers should usually call `mutate(...)` with `onSuccess` or `onError`.
+- Every `await mutateAsync(...)` must be wrapped in `try/catch`.
+- Do not use `mutateAsync` when callbacks already express the flow clearly.
+
+```typescript
+// Default case.
+mutation.mutate(data, {
+  onSuccess: result => router.push(result.url),
+})
+
+// Promise semantics are required.
+try {
+  const order = await createOrder.mutateAsync(orderData)
+  await confirmPayment.mutateAsync({ orderId: order.id, token })
+  router.push(`/orders/${order.id}`)
+}
+catch (error) {
+  toast.error(error instanceof Error ? error.message : 'Unknown error')
+}
+```
+
+## Legacy Migration
+
+When touching old code, migrate it toward these rules:
+
+| Old pattern | New pattern |
+|---|---|
+| `useInvalid(key)` in service layer | `queryClient.invalidateQueries(...)` inside mutation `onSuccess` |
+| component-triggered invalidation after mutation | move invalidation into the service-layer mutation definition |
+| imperative fetch plus manual invalidation | wrap it in `useMutation(...mutationOptions(...))` |
+| `await mutateAsync()` without `try/catch` | switch to `mutate(...)` or add `try/catch` |

.agents/skills/frontend-testing/SKILL.md

@@ -7,7 +7,7 @@ description: Generate Vitest + React Testing Library tests for Dify frontend com
 
 This skill enables Claude to generate high-quality, comprehensive frontend tests for the Dify project following established conventions and best practices.
 
-> **⚠️ Authoritative Source**: This skill is derived from `web/testing/testing.md`. Use Vitest mock/timer APIs (`vi.*`).
+> **⚠️ Authoritative Source**: This skill is derived from `web/docs/test.md`. Use Vitest mock/timer APIs (`vi.*`).
 
 ## When to Apply This Skill
 
@@ -63,7 +63,8 @@ pnpm analyze-component <path> --review
 
 ### File Naming
 
-- Test files: `ComponentName.spec.tsx` (same directory as component)
+- Test files: `ComponentName.spec.tsx` inside a same-level `__tests__/` directory
+- Placement rule: Component, hook, and utility tests must live in a sibling `__tests__/` folder at the same level as the source under test. For example, `foo/index.tsx` maps to `foo/__tests__/index.spec.tsx`, and `foo/bar.ts` maps to `foo/__tests__/bar.spec.ts`.
 - Integration tests: `web/__tests__/` directory
 
 ## Test Structure Template
@@ -204,6 +205,16 @@ When assigned to test a directory/path, test **ALL content** within that path:
 
 > See [Test Structure Template](#test-structure-template) for correct import/mock patterns.
 
+### `nuqs` Query State Testing (Required for URL State Hooks)
+
+When a component or hook uses `useQueryState` / `useQueryStates`:
+
+- ✅ Use `NuqsTestingAdapter` (prefer shared helpers in `web/test/nuqs-testing.tsx`)
+- ✅ Assert URL synchronization via `onUrlUpdate` (`searchParams`, `options.history`)
+- ✅ For custom parsers (`createParser`), keep `parse` and `serialize` bijective and add round-trip edge cases (`%2F`, `%25`, spaces, legacy encoded values)
+- ✅ Verify default-clearing behavior (default values should be removed from URL when applicable)
+- ⚠️ Only mock `nuqs` directly when URL behavior is explicitly out of scope for the test
+
 ## Core Principles
 
 ### 1. AAA Pattern (Arrange-Act-Assert)
@@ -309,7 +320,7 @@ For more detailed information, refer to:
 
 ### Primary Specification (MUST follow)
 
-- **`web/testing/testing.md`** - The canonical testing specification. This skill is derived from this document.
+- **`web/docs/test.md`** - The canonical testing specification. This skill is derived from this document.
 
 ### Reference Examples in Codebase
 

.agents/skills/frontend-testing/assets/component-test.template.tsx

@@ -41,7 +41,7 @@ import userEvent from '@testing-library/user-event'
 // Router (if component uses useRouter, usePathname, useSearchParams)
 // WHY: Isolates tests from Next.js routing, enables testing navigation behavior
 // const mockPush = vi.fn()
-// vi.mock('next/navigation', () => ({
+// vi.mock('@/next/navigation', () => ({
 //   useRouter: () => ({ push: mockPush }),
 //   usePathname: () => '/test-path',
 // }))

.agents/skills/frontend-testing/references/checklist.md

@@ -80,6 +80,9 @@ Use this checklist when generating or reviewing tests for Dify frontend componen
 - [ ] Router mocks match actual Next.js API
 - [ ] Mocks reflect actual component conditional behavior
 - [ ] Only mock: API services, complex context providers, third-party libs
+- [ ] For `nuqs` URL-state tests, wrap with `NuqsTestingAdapter` (prefer `web/test/nuqs-testing.tsx`)
+- [ ] For `nuqs` URL-state tests, assert `onUrlUpdate` payload (`searchParams`, `options.history`)
+- [ ] If custom `nuqs` parser exists, add round-trip tests for encoded edge cases (`%2F`, `%25`, spaces, legacy encoded values)
 
 ### Queries
 

.agents/skills/frontend-testing/references/mocking.md

@@ -125,6 +125,31 @@ describe('Component', () => {
 })
 ```
 
+### 2.1 `nuqs` Query State (Preferred: Testing Adapter)
+
+For tests that validate URL query behavior, use `NuqsTestingAdapter` instead of mocking `nuqs` directly.
+
+```typescript
+import { renderHookWithNuqs } from '@/test/nuqs-testing'
+
+it('should sync query to URL with push history', async () => {
+  const { result, onUrlUpdate } = renderHookWithNuqs(() => useMyQueryState(), {
+    searchParams: '?page=1',
+  })
+
+  act(() => {
+    result.current.setQuery({ page: 2 })
+  })
+
+  await waitFor(() => expect(onUrlUpdate).toHaveBeenCalled())
+  const update = onUrlUpdate.mock.calls[onUrlUpdate.mock.calls.length - 1][0]
+  expect(update.options.history).toBe('push')
+  expect(update.searchParams.get('page')).toBe('2')
+})
+```
+
+Use direct `vi.mock('nuqs')` only when URL synchronization is intentionally out of scope.
+
 ### 3. Portal Components (with Shared State)
 
 ```typescript

.agents/skills/frontend-testing/references/workflow.md

@@ -4,7 +4,7 @@ This guide defines the workflow for generating tests, especially for complex com
 
 ## Scope Clarification
 
-This guide addresses **multi-file workflow** (how to process multiple test files). For coverage requirements within a single test file, see `web/testing/testing.md` § Coverage Goals.
+This guide addresses **multi-file workflow** (how to process multiple test files). For coverage requirements within a single test file, see `web/docs/test.md` § Coverage Goals.
 
 | Scope | Rule |
 |-------|------|

.agents/skills/orpc-contract-first/SKILL.md

@@ -1,46 +0,0 @@
----
-name: orpc-contract-first
-description: Guide for implementing oRPC contract-first API patterns in Dify frontend. Triggers when creating new API contracts, adding service endpoints, integrating TanStack Query with typed contracts, or migrating legacy service calls to oRPC. Use for all API layer work in web/contract and web/service directories.
----
-
-# oRPC Contract-First Development
-
-## Project Structure
-
-```
-web/contract/
-├── base.ts           # Base contract (inputStructure: 'detailed')
-├── router.ts         # Router composition & type exports
-├── marketplace.ts    # Marketplace contracts
-└── console/          # Console contracts by domain
-    ├── system.ts
-    └── billing.ts
-```
-
-## Workflow
-
-1. **Create contract** in `web/contract/console/{domain}.ts`
-   - Import `base` from `../base` and `type` from `@orpc/contract`
-   - Define route with `path`, `method`, `input`, `output`
-
-2. **Register in router** at `web/contract/router.ts`
-   - Import directly from domain file (no barrel files)
-   - Nest by API prefix: `billing: { invoices, bindPartnerStack }`
-
-3. **Create hooks** in `web/service/use-{domain}.ts`
-   - Use `consoleQuery.{group}.{contract}.queryKey()` for query keys
-   - Use `consoleClient.{group}.{contract}()` for API calls
-
-## Key Rules
-
-- **Input structure**: Always use `{ params, query?, body? }` format
-- **Path params**: Use `{paramName}` in path, match in `params` object
-- **Router nesting**: Group by API prefix (e.g., `/billing/*` → `billing: {}`)
-- **No barrel files**: Import directly from specific files
-- **Types**: Import from `@/types/`, use `type<T>()` helper
-
-## Type Export
-
-```typescript
-export type ConsoleInputs = InferContractRouterInputs<typeof consoleRouterContract>
-```

.agents/skills/skill-creator/SKILL.md

@@ -1,355 +0,0 @@
----
-name: skill-creator
-description: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
----
-
-# Skill Creator
-
-This skill provides guidance for creating effective skills.
-
-## About Skills
-
-Skills are modular, self-contained packages that extend Claude's capabilities by providing
-specialized knowledge, workflows, and tools. Think of them as "onboarding guides" for specific
-domains or tasks—they transform Claude from a general-purpose agent into a specialized agent
-equipped with procedural knowledge that no model can fully possess.
-
-### What Skills Provide
-
-1. Specialized workflows - Multi-step procedures for specific domains
-2. Tool integrations - Instructions for working with specific file formats or APIs
-3. Domain expertise - Company-specific knowledge, schemas, business logic
-4. Bundled resources - Scripts, references, and assets for complex and repetitive tasks
-
-## Core Principles
-
-### Concise is Key
-
-The context window is a public good. Skills share the context window with everything else Claude needs: system prompt, conversation history, other Skills' metadata, and the actual user request.
-
-**Default assumption: Claude is already very smart.** Only add context Claude doesn't already have. Challenge each piece of information: "Does Claude really need this explanation?" and "Does this paragraph justify its token cost?"
-
-Prefer concise examples over verbose explanations.
-
-### Set Appropriate Degrees of Freedom
-
-Match the level of specificity to the task's fragility and variability:
-
-**High freedom (text-based instructions)**: Use when multiple approaches are valid, decisions depend on context, or heuristics guide the approach.
-
-**Medium freedom (pseudocode or scripts with parameters)**: Use when a preferred pattern exists, some variation is acceptable, or configuration affects behavior.
-
-**Low freedom (specific scripts, few parameters)**: Use when operations are fragile and error-prone, consistency is critical, or a specific sequence must be followed.
-
-Think of Claude as exploring a path: a narrow bridge with cliffs needs specific guardrails (low freedom), while an open field allows many routes (high freedom).
-
-### Anatomy of a Skill
-
-Every skill consists of a required SKILL.md file and optional bundled resources:
-
-```
-skill-name/
-├── SKILL.md (required)
-│   ├── YAML frontmatter metadata (required)
-│   │   ├── name: (required)
-│   │   └── description: (required)
-│   └── Markdown instructions (required)
-└── Bundled Resources (optional)
-    ├── scripts/          - Executable code (Python/Bash/etc.)
-    ├── references/       - Documentation intended to be loaded into context as needed
-    └── assets/           - Files used in output (templates, icons, fonts, etc.)
-```
-
-#### SKILL.md (required)
-
-Every SKILL.md consists of:
-
-- **Frontmatter** (YAML): Contains `name` and `description` fields. These are the only fields that Claude reads to determine when the skill gets used, thus it is very important to be clear and comprehensive in describing what the skill is, and when it should be used.
-- **Body** (Markdown): Instructions and guidance for using the skill. Only loaded AFTER the skill triggers (if at all).
-
-#### Bundled Resources (optional)
-
-##### Scripts (`scripts/`)
-
-Executable code (Python/Bash/etc.) for tasks that require deterministic reliability or are repeatedly rewritten.
-
-- **When to include**: When the same code is being rewritten repeatedly or deterministic reliability is needed
-- **Example**: `scripts/rotate_pdf.py` for PDF rotation tasks
-- **Benefits**: Token efficient, deterministic, may be executed without loading into context
-- **Note**: Scripts may still need to be read by Claude for patching or environment-specific adjustments
-
-##### References (`references/`)
-
-Documentation and reference material intended to be loaded as needed into context to inform Claude's process and thinking.
-
-- **When to include**: For documentation that Claude should reference while working
-- **Examples**: `references/finance.md` for financial schemas, `references/mnda.md` for company NDA template, `references/policies.md` for company policies, `references/api_docs.md` for API specifications
-- **Use cases**: Database schemas, API documentation, domain knowledge, company policies, detailed workflow guides
-- **Benefits**: Keeps SKILL.md lean, loaded only when Claude determines it's needed
-- **Best practice**: If files are large (>10k words), include grep search patterns in SKILL.md
-- **Avoid duplication**: Information should live in either SKILL.md or references files, not both. Prefer references files for detailed information unless it's truly core to the skill—this keeps SKILL.md lean while making information discoverable without hogging the context window. Keep only essential procedural instructions and workflow guidance in SKILL.md; move detailed reference material, schemas, and examples to references files.
-
-##### Assets (`assets/`)
-
-Files not intended to be loaded into context, but rather used within the output Claude produces.
-
-- **When to include**: When the skill needs files that will be used in the final output
-- **Examples**: `assets/logo.png` for brand assets, `assets/slides.pptx` for PowerPoint templates, `assets/frontend-template/` for HTML/React boilerplate, `assets/font.ttf` for typography
-- **Use cases**: Templates, images, icons, boilerplate code, fonts, sample documents that get copied or modified
-- **Benefits**: Separates output resources from documentation, enables Claude to use files without loading them into context
-
-#### What to Not Include in a Skill
-
-A skill should only contain essential files that directly support its functionality. Do NOT create extraneous documentation or auxiliary files, including:
-
-- README.md
-- INSTALLATION_GUIDE.md
-- QUICK_REFERENCE.md
-- CHANGELOG.md
-- etc.
-
-The skill should only contain the information needed for an AI agent to do the job at hand. It should not contain auxilary context about the process that went into creating it, setup and testing procedures, user-facing documentation, etc. Creating additional documentation files just adds clutter and confusion.
-
-### Progressive Disclosure Design Principle
-
-Skills use a three-level loading system to manage context efficiently:
-
-1. **Metadata (name + description)** - Always in context (~100 words)
-2. **SKILL.md body** - When skill triggers (<5k words)
-3. **Bundled resources** - As needed by Claude (Unlimited because scripts can be executed without reading into context window)
-
-#### Progressive Disclosure Patterns
-
-Keep SKILL.md body to the essentials and under 500 lines to minimize context bloat. Split content into separate files when approaching this limit. When splitting out content into other files, it is very important to reference them from SKILL.md and describe clearly when to read them, to ensure the reader of the skill knows they exist and when to use them.
-
-**Key principle:** When a skill supports multiple variations, frameworks, or options, keep only the core workflow and selection guidance in SKILL.md. Move variant-specific details (patterns, examples, configuration) into separate reference files.
-
-**Pattern 1: High-level guide with references**
-
-```markdown
-# PDF Processing
-
-## Quick start
-
-Extract text with pdfplumber:
-[code example]
-
-## Advanced features
-
-- **Form filling**: See [FORMS.md](FORMS.md) for complete guide
-- **API reference**: See [REFERENCE.md](REFERENCE.md) for all methods
-- **Examples**: See [EXAMPLES.md](EXAMPLES.md) for common patterns
-```
-
-Claude loads FORMS.md, REFERENCE.md, or EXAMPLES.md only when needed.
-
-**Pattern 2: Domain-specific organization**
-
-For Skills with multiple domains, organize content by domain to avoid loading irrelevant context:
-
-```
-bigquery-skill/
-├── SKILL.md (overview and navigation)
-└── reference/
-    ├── finance.md (revenue, billing metrics)
-    ├── sales.md (opportunities, pipeline)
-    ├── product.md (API usage, features)
-    └── marketing.md (campaigns, attribution)
-```
-
-When a user asks about sales metrics, Claude only reads sales.md.
-
-Similarly, for skills supporting multiple frameworks or variants, organize by variant:
-
-```
-cloud-deploy/
-├── SKILL.md (workflow + provider selection)
-└── references/
-    ├── aws.md (AWS deployment patterns)
-    ├── gcp.md (GCP deployment patterns)
-    └── azure.md (Azure deployment patterns)
-```
-
-When the user chooses AWS, Claude only reads aws.md.
-
-**Pattern 3: Conditional details**
-
-Show basic content, link to advanced content:
-
-```markdown
-# DOCX Processing
-
-## Creating documents
-
-Use docx-js for new documents. See [DOCX-JS.md](DOCX-JS.md).
-
-## Editing documents
-
-For simple edits, modify the XML directly.
-
-**For tracked changes**: See [REDLINING.md](REDLINING.md)
-**For OOXML details**: See [OOXML.md](OOXML.md)
-```
-
-Claude reads REDLINING.md or OOXML.md only when the user needs those features.
-
-**Important guidelines:**
-
-- **Avoid deeply nested references** - Keep references one level deep from SKILL.md. All reference files should link directly from SKILL.md.
-- **Structure longer reference files** - For files longer than 100 lines, include a table of contents at the top so Claude can see the full scope when previewing.
-
-## Skill Creation Process
-
-Skill creation involves these steps:
-
-1. Understand the skill with concrete examples
-2. Plan reusable skill contents (scripts, references, assets)
-3. Initialize the skill (run init_skill.py)
-4. Edit the skill (implement resources and write SKILL.md)
-5. Package the skill (run package_skill.py)
-6. Iterate based on real usage
-
-Follow these steps in order, skipping only if there is a clear reason why they are not applicable.
-
-### Step 1: Understanding the Skill with Concrete Examples
-
-Skip this step only when the skill's usage patterns are already clearly understood. It remains valuable even when working with an existing skill.
-
-To create an effective skill, clearly understand concrete examples of how the skill will be used. This understanding can come from either direct user examples or generated examples that are validated with user feedback.
-
-For example, when building an image-editor skill, relevant questions include:
-
-- "What functionality should the image-editor skill support? Editing, rotating, anything else?"
-- "Can you give some examples of how this skill would be used?"
-- "I can imagine users asking for things like 'Remove the red-eye from this image' or 'Rotate this image'. Are there other ways you imagine this skill being used?"
-- "What would a user say that should trigger this skill?"
-
-To avoid overwhelming users, avoid asking too many questions in a single message. Start with the most important questions and follow up as needed for better effectiveness.
-
-Conclude this step when there is a clear sense of the functionality the skill should support.
-
-### Step 2: Planning the Reusable Skill Contents
-
-To turn concrete examples into an effective skill, analyze each example by:
-
-1. Considering how to execute on the example from scratch
-2. Identifying what scripts, references, and assets would be helpful when executing these workflows repeatedly
-
-Example: When building a `pdf-editor` skill to handle queries like "Help me rotate this PDF," the analysis shows:
-
-1. Rotating a PDF requires re-writing the same code each time
-2. A `scripts/rotate_pdf.py` script would be helpful to store in the skill
-
-Example: When designing a `frontend-webapp-builder` skill for queries like "Build me a todo app" or "Build me a dashboard to track my steps," the analysis shows:
-
-1. Writing a frontend webapp requires the same boilerplate HTML/React each time
-2. An `assets/hello-world/` template containing the boilerplate HTML/React project files would be helpful to store in the skill
-
-Example: When building a `big-query` skill to handle queries like "How many users have logged in today?" the analysis shows:
-
-1. Querying BigQuery requires re-discovering the table schemas and relationships each time
-2. A `references/schema.md` file documenting the table schemas would be helpful to store in the skill
-
-To establish the skill's contents, analyze each concrete example to create a list of the reusable resources to include: scripts, references, and assets.
-
-### Step 3: Initializing the Skill
-
-At this point, it is time to actually create the skill.
-
-Skip this step only if the skill being developed already exists, and iteration or packaging is needed. In this case, continue to the next step.
-
-When creating a new skill from scratch, always run the `init_skill.py` script. The script conveniently generates a new template skill directory that automatically includes everything a skill requires, making the skill creation process much more efficient and reliable.
-
-Usage:
-
-```bash
-scripts/init_skill.py <skill-name> --path <output-directory>
-```
-
-The script:
-
-- Creates the skill directory at the specified path
-- Generates a SKILL.md template with proper frontmatter and TODO placeholders
-- Creates example resource directories: `scripts/`, `references/`, and `assets/`
-- Adds example files in each directory that can be customized or deleted
-
-After initialization, customize or remove the generated SKILL.md and example files as needed.
-
-### Step 4: Edit the Skill
-
-When editing the (newly-generated or existing) skill, remember that the skill is being created for another instance of Claude to use. Include information that would be beneficial and non-obvious to Claude. Consider what procedural knowledge, domain-specific details, or reusable assets would help another Claude instance execute these tasks more effectively.
-
-#### Learn Proven Design Patterns
-
-Consult these helpful guides based on your skill's needs:
-
-- **Multi-step processes**: See references/workflows.md for sequential workflows and conditional logic
-- **Specific output formats or quality standards**: See references/output-patterns.md for template and example patterns
-
-These files contain established best practices for effective skill design.
-
-#### Start with Reusable Skill Contents
-
-To begin implementation, start with the reusable resources identified above: `scripts/`, `references/`, and `assets/` files. Note that this step may require user input. For example, when implementing a `brand-guidelines` skill, the user may need to provide brand assets or templates to store in `assets/`, or documentation to store in `references/`.
-
-Added scripts must be tested by actually running them to ensure there are no bugs and that the output matches what is expected. If there are many similar scripts, only a representative sample needs to be tested to ensure confidence that they all work while balancing time to completion.
-
-Any example files and directories not needed for the skill should be deleted. The initialization script creates example files in `scripts/`, `references/`, and `assets/` to demonstrate structure, but most skills won't need all of them.
-
-#### Update SKILL.md
-
-**Writing Guidelines:** Always use imperative/infinitive form.
-
-##### Frontmatter
-
-Write the YAML frontmatter with `name` and `description`:
-
-- `name`: The skill name
-- `description`: This is the primary triggering mechanism for your skill, and helps Claude understand when to use the skill.
-  - Include both what the Skill does and specific triggers/contexts for when to use it.
-  - Include all "when to use" information here - Not in the body. The body is only loaded after triggering, so "When to Use This Skill" sections in the body are not helpful to Claude.
-  - Example description for a `docx` skill: "Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. Use when Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks"
-
-Do not include any other fields in YAML frontmatter.
-
-##### Body
-
-Write instructions for using the skill and its bundled resources.
-
-### Step 5: Packaging a Skill
-
-Once development of the skill is complete, it must be packaged into a distributable .skill file that gets shared with the user. The packaging process automatically validates the skill first to ensure it meets all requirements:
-
-```bash
-scripts/package_skill.py <path/to/skill-folder>
-```
-
-Optional output directory specification:
-
-```bash
-scripts/package_skill.py <path/to/skill-folder> ./dist
-```
-
-The packaging script will:
-
-1. **Validate** the skill automatically, checking:
-
-   - YAML frontmatter format and required fields
-   - Skill naming conventions and directory structure
-   - Description completeness and quality
-   - File organization and resource references
-
-2. **Package** the skill if validation passes, creating a .skill file named after the skill (e.g., `my-skill.skill`) that includes all files and maintains the proper directory structure for distribution. The .skill file is a zip file with a .skill extension.
-
-If validation fails, the script will report the errors and exit without creating a package. Fix any validation errors and run the packaging command again.
-
-### Step 6: Iterate
-
-After testing the skill, users may request improvements. Often this happens right after using the skill, with fresh context of how the skill performed.
-
-**Iteration workflow:**
-
-1. Use the skill on real tasks
-2. Notice struggles or inefficiencies
-3. Identify how SKILL.md or bundled resources should be updated
-4. Implement changes and test again

.agents/skills/skill-creator/references/output-patterns.md

@@ -1,86 +0,0 @@
-# Output Patterns
-
-Use these patterns when skills need to produce consistent, high-quality output.
-
-## Template Pattern
-
-Provide templates for output format. Match the level of strictness to your needs.
-
-**For strict requirements (like API responses or data formats):**
-
-```markdown
-## Report structure
-
-ALWAYS use this exact template structure:
-
-# [Analysis Title]
-
-## Executive summary
-[One-paragraph overview of key findings]
-
-## Key findings
-- Finding 1 with supporting data
-- Finding 2 with supporting data
-- Finding 3 with supporting data
-
-## Recommendations
-1. Specific actionable recommendation
-2. Specific actionable recommendation
-```
-
-**For flexible guidance (when adaptation is useful):**
-
-```markdown
-## Report structure
-
-Here is a sensible default format, but use your best judgment:
-
-# [Analysis Title]
-
-## Executive summary
-[Overview]
-
-## Key findings
-[Adapt sections based on what you discover]
-
-## Recommendations
-[Tailor to the specific context]
-
-Adjust sections as needed for the specific analysis type.
-```
-
-## Examples Pattern
-
-For skills where output quality depends on seeing examples, provide input/output pairs:
-
-```markdown
-## Commit message format
-
-Generate commit messages following these examples:
-
-**Example 1:**
-Input: Added user authentication with JWT tokens
-Output:
-```
-
-feat(auth): implement JWT-based authentication
-
-Add login endpoint and token validation middleware
-
-```
-
-**Example 2:**
-Input: Fixed bug where dates displayed incorrectly in reports
-Output:
-```
-
-fix(reports): correct date formatting in timezone conversion
-
-Use UTC timestamps consistently across report generation
-
-```
-
-Follow this style: type(scope): brief description, then detailed explanation.
-```
-
-Examples help Claude understand the desired style and level of detail more clearly than descriptions alone.

.agents/skills/skill-creator/references/workflows.md

@@ -1,28 +0,0 @@
-# Workflow Patterns
-
-## Sequential Workflows
-
-For complex tasks, break operations into clear, sequential steps. It is often helpful to give Claude an overview of the process towards the beginning of SKILL.md:
-
-```markdown
-Filling a PDF form involves these steps:
-
-1. Analyze the form (run analyze_form.py)
-2. Create field mapping (edit fields.json)
-3. Validate mapping (run validate_fields.py)
-4. Fill the form (run fill_form.py)
-5. Verify output (run verify_output.py)
-```
-
-## Conditional Workflows
-
-For tasks with branching logic, guide Claude through decision points:
-
-```markdown
-1. Determine the modification type:
-   **Creating new content?** → Follow "Creation workflow" below
-   **Editing existing content?** → Follow "Editing workflow" below
-
-2. Creation workflow: [steps]
-3. Editing workflow: [steps]
-```

.agents/skills/skill-creator/scripts/init_skill.py

@@ -1,300 +0,0 @@
-#!/usr/bin/env python3
-"""
-Skill Initializer - Creates a new skill from template
-
-Usage:
-    init_skill.py <skill-name> --path <path>
-
-Examples:
-    init_skill.py my-new-skill --path skills/public
-    init_skill.py my-api-helper --path skills/private
-    init_skill.py custom-skill --path /custom/location
-"""
-
-import sys
-from pathlib import Path
-
-
-SKILL_TEMPLATE = """---
-name: {skill_name}
-description: [TODO: Complete and informative explanation of what the skill does and when to use it. Include WHEN to use this skill - specific scenarios, file types, or tasks that trigger it.]
----
-
-# {skill_title}
-
-## Overview
-
-[TODO: 1-2 sentences explaining what this skill enables]
-
-## Structuring This Skill
-
-[TODO: Choose the structure that best fits this skill's purpose. Common patterns:
-
-**1. Workflow-Based** (best for sequential processes)
-- Works well when there are clear step-by-step procedures
-- Example: DOCX skill with "Workflow Decision Tree" → "Reading" → "Creating" → "Editing"
-- Structure: ## Overview → ## Workflow Decision Tree → ## Step 1 → ## Step 2...
-
-**2. Task-Based** (best for tool collections)
-- Works well when the skill offers different operations/capabilities
-- Example: PDF skill with "Quick Start" → "Merge PDFs" → "Split PDFs" → "Extract Text"
-- Structure: ## Overview → ## Quick Start → ## Task Category 1 → ## Task Category 2...
-
-**3. Reference/Guidelines** (best for standards or specifications)
-- Works well for brand guidelines, coding standards, or requirements
-- Example: Brand styling with "Brand Guidelines" → "Colors" → "Typography" → "Features"
-- Structure: ## Overview → ## Guidelines → ## Specifications → ## Usage...
-
-**4. Capabilities-Based** (best for integrated systems)
-- Works well when the skill provides multiple interrelated features
-- Example: Product Management with "Core Capabilities" → numbered capability list
-- Structure: ## Overview → ## Core Capabilities → ### 1. Feature → ### 2. Feature...
-
-Patterns can be mixed and matched as needed. Most skills combine patterns (e.g., start with task-based, add workflow for complex operations).
-
-Delete this entire "Structuring This Skill" section when done - it's just guidance.]
-
-## [TODO: Replace with the first main section based on chosen structure]
-
-[TODO: Add content here. See examples in existing skills:
-- Code samples for technical skills
-- Decision trees for complex workflows
-- Concrete examples with realistic user requests
-- References to scripts/templates/references as needed]
-
-## Resources
-
-This skill includes example resource directories that demonstrate how to organize different types of bundled resources:
-
-### scripts/
-Executable code (Python/Bash/etc.) that can be run directly to perform specific operations.
-
-**Examples from other skills:**
-- PDF skill: `fill_fillable_fields.py`, `extract_form_field_info.py` - utilities for PDF manipulation
-- DOCX skill: `document.py`, `utilities.py` - Python modules for document processing
-
-**Appropriate for:** Python scripts, shell scripts, or any executable code that performs automation, data processing, or specific operations.
-
-**Note:** Scripts may be executed without loading into context, but can still be read by Claude for patching or environment adjustments.
-
-### references/
-Documentation and reference material intended to be loaded into context to inform Claude's process and thinking.
-
-**Examples from other skills:**
-- Product management: `communication.md`, `context_building.md` - detailed workflow guides
-- BigQuery: API reference documentation and query examples
-- Finance: Schema documentation, company policies
-
-**Appropriate for:** In-depth documentation, API references, database schemas, comprehensive guides, or any detailed information that Claude should reference while working.
-
-### assets/
-Files not intended to be loaded into context, but rather used within the output Claude produces.
-
-**Examples from other skills:**
-- Brand styling: PowerPoint template files (.pptx), logo files
-- Frontend builder: HTML/React boilerplate project directories
-- Typography: Font files (.ttf, .woff2)
-
-**Appropriate for:** Templates, boilerplate code, document templates, images, icons, fonts, or any files meant to be copied or used in the final output.
-
----
-
-**Any unneeded directories can be deleted.** Not every skill requires all three types of resources.
-"""
-
-EXAMPLE_SCRIPT = '''#!/usr/bin/env python3
-"""
-Example helper script for {skill_name}
-
-This is a placeholder script that can be executed directly.
-Replace with actual implementation or delete if not needed.
-
-Example real scripts from other skills:
-- pdf/scripts/fill_fillable_fields.py - Fills PDF form fields
-- pdf/scripts/convert_pdf_to_images.py - Converts PDF pages to images
-"""
-
-def main():
-    print("This is an example script for {skill_name}")
-    # TODO: Add actual script logic here
-    # This could be data processing, file conversion, API calls, etc.
-
-if __name__ == "__main__":
-    main()
-'''
-
-EXAMPLE_REFERENCE = """# Reference Documentation for {skill_title}
-
-This is a placeholder for detailed reference documentation.
-Replace with actual reference content or delete if not needed.
-
-Example real reference docs from other skills:
-- product-management/references/communication.md - Comprehensive guide for status updates
-- product-management/references/context_building.md - Deep-dive on gathering context
-- bigquery/references/ - API references and query examples
-
-## When Reference Docs Are Useful
-
-Reference docs are ideal for:
-- Comprehensive API documentation
-- Detailed workflow guides
-- Complex multi-step processes
-- Information too lengthy for main SKILL.md
-- Content that's only needed for specific use cases
-
-## Structure Suggestions
-
-### API Reference Example
-- Overview
-- Authentication
-- Endpoints with examples
-- Error codes
-- Rate limits
-
-### Workflow Guide Example
-- Prerequisites
-- Step-by-step instructions
-- Common patterns
-- Troubleshooting
-- Best practices
-"""
-
-EXAMPLE_ASSET = """# Example Asset File
-
-This placeholder represents where asset files would be stored.
-Replace with actual asset files (templates, images, fonts, etc.) or delete if not needed.
-
-Asset files are NOT intended to be loaded into context, but rather used within
-the output Claude produces.
-
-Example asset files from other skills:
-- Brand guidelines: logo.png, slides_template.pptx
-- Frontend builder: hello-world/ directory with HTML/React boilerplate
-- Typography: custom-font.ttf, font-family.woff2
-- Data: sample_data.csv, test_dataset.json
-
-## Common Asset Types
-
-- Templates: .pptx, .docx, boilerplate directories
-- Images: .png, .jpg, .svg, .gif
-- Fonts: .ttf, .otf, .woff, .woff2
-- Boilerplate code: Project directories, starter files
-- Icons: .ico, .svg
-- Data files: .csv, .json, .xml, .yaml
-
-Note: This is a text placeholder. Actual assets can be any file type.
-"""
-
-
-def title_case_skill_name(skill_name):
-    """Convert hyphenated skill name to Title Case for display."""
-    return " ".join(word.capitalize() for word in skill_name.split("-"))
-
-
-def init_skill(skill_name, path):
-    """
-    Initialize a new skill directory with template SKILL.md.
-
-    Args:
-        skill_name: Name of the skill
-        path: Path where the skill directory should be created
-
-    Returns:
-        Path to created skill directory, or None if error
-    """
-    # Determine skill directory path
-    skill_dir = Path(path).resolve() / skill_name
-
-    # Check if directory already exists
-    if skill_dir.exists():
-        print(f"❌ Error: Skill directory already exists: {skill_dir}")
-        return None
-
-    # Create skill directory
-    try:
-        skill_dir.mkdir(parents=True, exist_ok=False)
-        print(f"✅ Created skill directory: {skill_dir}")
-    except Exception as e:
-        print(f"❌ Error creating directory: {e}")
-        return None
-
-    # Create SKILL.md from template
-    skill_title = title_case_skill_name(skill_name)
-    skill_content = SKILL_TEMPLATE.format(skill_name=skill_name, skill_title=skill_title)
-
-    skill_md_path = skill_dir / "SKILL.md"
-    try:
-        skill_md_path.write_text(skill_content)
-        print("✅ Created SKILL.md")
-    except Exception as e:
-        print(f"❌ Error creating SKILL.md: {e}")
-        return None
-
-    # Create resource directories with example files
-    try:
-        # Create scripts/ directory with example script
-        scripts_dir = skill_dir / "scripts"
-        scripts_dir.mkdir(exist_ok=True)
-        example_script = scripts_dir / "example.py"
-        example_script.write_text(EXAMPLE_SCRIPT.format(skill_name=skill_name))
-        example_script.chmod(0o755)
-        print("✅ Created scripts/example.py")
-
-        # Create references/ directory with example reference doc
-        references_dir = skill_dir / "references"
-        references_dir.mkdir(exist_ok=True)
-        example_reference = references_dir / "api_reference.md"
-        example_reference.write_text(EXAMPLE_REFERENCE.format(skill_title=skill_title))
-        print("✅ Created references/api_reference.md")
-
-        # Create assets/ directory with example asset placeholder
-        assets_dir = skill_dir / "assets"
-        assets_dir.mkdir(exist_ok=True)
-        example_asset = assets_dir / "example_asset.txt"
-        example_asset.write_text(EXAMPLE_ASSET)
-        print("✅ Created assets/example_asset.txt")
-    except Exception as e:
-        print(f"❌ Error creating resource directories: {e}")
-        return None
-
-    # Print next steps
-    print(f"\n✅ Skill '{skill_name}' initialized successfully at {skill_dir}")
-    print("\nNext steps:")
-    print("1. Edit SKILL.md to complete the TODO items and update the description")
-    print("2. Customize or delete the example files in scripts/, references/, and assets/")
-    print("3. Run the validator when ready to check the skill structure")
-
-    return skill_dir
-
-
-def main():
-    if len(sys.argv) < 4 or sys.argv[2] != "--path":
-        print("Usage: init_skill.py <skill-name> --path <path>")
-        print("\nSkill name requirements:")
-        print("  - Hyphen-case identifier (e.g., 'data-analyzer')")
-        print("  - Lowercase letters, digits, and hyphens only")
-        print("  - Max 40 characters")
-        print("  - Must match directory name exactly")
-        print("\nExamples:")
-        print("  init_skill.py my-new-skill --path skills/public")
-        print("  init_skill.py my-api-helper --path skills/private")
-        print("  init_skill.py custom-skill --path /custom/location")
-        sys.exit(1)
-
-    skill_name = sys.argv[1]
-    path = sys.argv[3]
-
-    print(f"🚀 Initializing skill: {skill_name}")
-    print(f"   Location: {path}")
-    print()
-
-    result = init_skill(skill_name, path)
-
-    if result:
-        sys.exit(0)
-    else:
-        sys.exit(1)
-
-
-if __name__ == "__main__":
-    main()

.agents/skills/skill-creator/scripts/package_skill.py

@@ -1,110 +0,0 @@
-#!/usr/bin/env python3
-"""
-Skill Packager - Creates a distributable .skill file of a skill folder
-
-Usage:
-    python utils/package_skill.py <path/to/skill-folder> [output-directory]
-
-Example:
-    python utils/package_skill.py skills/public/my-skill
-    python utils/package_skill.py skills/public/my-skill ./dist
-"""
-
-import sys
-import zipfile
-from pathlib import Path
-from quick_validate import validate_skill
-
-
-def package_skill(skill_path, output_dir=None):
-    """
-    Package a skill folder into a .skill file.
-
-    Args:
-        skill_path: Path to the skill folder
-        output_dir: Optional output directory for the .skill file (defaults to current directory)
-
-    Returns:
-        Path to the created .skill file, or None if error
-    """
-    skill_path = Path(skill_path).resolve()
-
-    # Validate skill folder exists
-    if not skill_path.exists():
-        print(f"❌ Error: Skill folder not found: {skill_path}")
-        return None
-
-    if not skill_path.is_dir():
-        print(f"❌ Error: Path is not a directory: {skill_path}")
-        return None
-
-    # Validate SKILL.md exists
-    skill_md = skill_path / "SKILL.md"
-    if not skill_md.exists():
-        print(f"❌ Error: SKILL.md not found in {skill_path}")
-        return None
-
-    # Run validation before packaging
-    print("🔍 Validating skill...")
-    valid, message = validate_skill(skill_path)
-    if not valid:
-        print(f"❌ Validation failed: {message}")
-        print("   Please fix the validation errors before packaging.")
-        return None
-    print(f"✅ {message}\n")
-
-    # Determine output location
-    skill_name = skill_path.name
-    if output_dir:
-        output_path = Path(output_dir).resolve()
-        output_path.mkdir(parents=True, exist_ok=True)
-    else:
-        output_path = Path.cwd()
-
-    skill_filename = output_path / f"{skill_name}.skill"
-
-    # Create the .skill file (zip format)
-    try:
-        with zipfile.ZipFile(skill_filename, "w", zipfile.ZIP_DEFLATED) as zipf:
-            # Walk through the skill directory
-            for file_path in skill_path.rglob("*"):
-                if file_path.is_file():
-                    # Calculate the relative path within the zip
-                    arcname = file_path.relative_to(skill_path.parent)
-                    zipf.write(file_path, arcname)
-                    print(f"  Added: {arcname}")
-
-        print(f"\n✅ Successfully packaged skill to: {skill_filename}")
-        return skill_filename
-
-    except Exception as e:
-        print(f"❌ Error creating .skill file: {e}")
-        return None
-
-
-def main():
-    if len(sys.argv) < 2:
-        print("Usage: python utils/package_skill.py <path/to/skill-folder> [output-directory]")
-        print("\nExample:")
-        print("  python utils/package_skill.py skills/public/my-skill")
-        print("  python utils/package_skill.py skills/public/my-skill ./dist")
-        sys.exit(1)
-
-    skill_path = sys.argv[1]
-    output_dir = sys.argv[2] if len(sys.argv) > 2 else None
-
-    print(f"📦 Packaging skill: {skill_path}")
-    if output_dir:
-        print(f"   Output directory: {output_dir}")
-    print()
-
-    result = package_skill(skill_path, output_dir)
-
-    if result:
-        sys.exit(0)
-    else:
-        sys.exit(1)
-
-
-if __name__ == "__main__":
-    main()

.agents/skills/skill-creator/scripts/quick_validate.py

@@ -1,96 +0,0 @@
-#!/usr/bin/env python3
-"""
-Quick validation script for skills - minimal version
-"""
-
-import sys
-import re
-import yaml
-from pathlib import Path
-
-
-def validate_skill(skill_path):
-    """Basic validation of a skill"""
-    skill_path = Path(skill_path)
-
-    # Check SKILL.md exists
-    skill_md = skill_path / "SKILL.md"
-    if not skill_md.exists():
-        return False, "SKILL.md not found"
-
-    # Read and validate frontmatter
-    content = skill_md.read_text()
-    if not content.startswith("---"):
-        return False, "No YAML frontmatter found"
-
-    # Extract frontmatter
-    match = re.match(r"^---\n(.*?)\n---", content, re.DOTALL)
-    if not match:
-        return False, "Invalid frontmatter format"
-
-    frontmatter_text = match.group(1)
-
-    # Parse YAML frontmatter
-    try:
-        frontmatter = yaml.safe_load(frontmatter_text)
-        if not isinstance(frontmatter, dict):
-            return False, "Frontmatter must be a YAML dictionary"
-    except yaml.YAMLError as e:
-        return False, f"Invalid YAML in frontmatter: {e}"
-
-    # Define allowed properties
-    ALLOWED_PROPERTIES = {"name", "description", "license", "allowed-tools", "metadata"}
-
-    # Check for unexpected properties (excluding nested keys under metadata)
-    unexpected_keys = set(frontmatter.keys()) - ALLOWED_PROPERTIES
-    if unexpected_keys:
-        return False, (
-            f"Unexpected key(s) in SKILL.md frontmatter: {', '.join(sorted(unexpected_keys))}. "
-            f"Allowed properties are: {', '.join(sorted(ALLOWED_PROPERTIES))}"
-        )
-
-    # Check required fields
-    if "name" not in frontmatter:
-        return False, "Missing 'name' in frontmatter"
-    if "description" not in frontmatter:
-        return False, "Missing 'description' in frontmatter"
-
-    # Extract name for validation
-    name = frontmatter.get("name", "")
-    if not isinstance(name, str):
-        return False, f"Name must be a string, got {type(name).__name__}"
-    name = name.strip()
-    if name:
-        # Check naming convention (hyphen-case: lowercase with hyphens)
-        if not re.match(r"^[a-z0-9-]+$", name):
-            return False, f"Name '{name}' should be hyphen-case (lowercase letters, digits, and hyphens only)"
-        if name.startswith("-") or name.endswith("-") or "--" in name:
-            return False, f"Name '{name}' cannot start/end with hyphen or contain consecutive hyphens"
-        # Check name length (max 64 characters per spec)
-        if len(name) > 64:
-            return False, f"Name is too long ({len(name)} characters). Maximum is 64 characters."
-
-    # Extract and validate description
-    description = frontmatter.get("description", "")
-    if not isinstance(description, str):
-        return False, f"Description must be a string, got {type(description).__name__}"
-    description = description.strip()
-    if description:
-        # Check for angle brackets
-        if "<" in description or ">" in description:
-            return False, "Description cannot contain angle brackets (< or >)"
-        # Check description length (max 1024 characters per spec)
-        if len(description) > 1024:
-            return False, f"Description is too long ({len(description)} characters). Maximum is 1024 characters."
-
-    return True, "Skill is valid!"
-
-
-if __name__ == "__main__":
-    if len(sys.argv) != 2:
-        print("Usage: python quick_validate.py <skill_directory>")
-        sys.exit(1)
-
-    valid, message = validate_skill(sys.argv[1])
-    print(message)
-    sys.exit(0 if valid else 1)

.agents/skills/vercel-react-best-practices/SKILL.md

@@ -1,136 +0,0 @@
----
-name: vercel-react-best-practices
-description: React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
-license: MIT
-metadata:
-  author: vercel
-  version: "1.0.0"
----
-
-# Vercel React Best Practices
-
-Comprehensive performance optimization guide for React and Next.js applications, maintained by Vercel. Contains 57 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.
-
-## When to Apply
-
-Reference these guidelines when:
-- Writing new React components or Next.js pages
-- Implementing data fetching (client or server-side)
-- Reviewing code for performance issues
-- Refactoring existing React/Next.js code
-- Optimizing bundle size or load times
-
-## Rule Categories by Priority
-
-| Priority | Category | Impact | Prefix |
-|----------|----------|--------|--------|
-| 1 | Eliminating Waterfalls | CRITICAL | `async-` |
-| 2 | Bundle Size Optimization | CRITICAL | `bundle-` |
-| 3 | Server-Side Performance | HIGH | `server-` |
-| 4 | Client-Side Data Fetching | MEDIUM-HIGH | `client-` |
-| 5 | Re-render Optimization | MEDIUM | `rerender-` |
-| 6 | Rendering Performance | MEDIUM | `rendering-` |
-| 7 | JavaScript Performance | LOW-MEDIUM | `js-` |
-| 8 | Advanced Patterns | LOW | `advanced-` |
-
-## Quick Reference
-
-### 1. Eliminating Waterfalls (CRITICAL)
-
-- `async-defer-await` - Move await into branches where actually used
-- `async-parallel` - Use Promise.all() for independent operations
-- `async-dependencies` - Use better-all for partial dependencies
-- `async-api-routes` - Start promises early, await late in API routes
-- `async-suspense-boundaries` - Use Suspense to stream content
-
-### 2. Bundle Size Optimization (CRITICAL)
-
-- `bundle-barrel-imports` - Import directly, avoid barrel files
-- `bundle-dynamic-imports` - Use next/dynamic for heavy components
-- `bundle-defer-third-party` - Load analytics/logging after hydration
-- `bundle-conditional` - Load modules only when feature is activated
-- `bundle-preload` - Preload on hover/focus for perceived speed
-
-### 3. Server-Side Performance (HIGH)
-
-- `server-auth-actions` - Authenticate server actions like API routes
-- `server-cache-react` - Use React.cache() for per-request deduplication
-- `server-cache-lru` - Use LRU cache for cross-request caching
-- `server-dedup-props` - Avoid duplicate serialization in RSC props
-- `server-serialization` - Minimize data passed to client components
-- `server-parallel-fetching` - Restructure components to parallelize fetches
-- `server-after-nonblocking` - Use after() for non-blocking operations
-
-### 4. Client-Side Data Fetching (MEDIUM-HIGH)
-
-- `client-swr-dedup` - Use SWR for automatic request deduplication
-- `client-event-listeners` - Deduplicate global event listeners
-- `client-passive-event-listeners` - Use passive listeners for scroll
-- `client-localstorage-schema` - Version and minimize localStorage data
-
-### 5. Re-render Optimization (MEDIUM)
-
-- `rerender-defer-reads` - Don't subscribe to state only used in callbacks
-- `rerender-memo` - Extract expensive work into memoized components
-- `rerender-memo-with-default-value` - Hoist default non-primitive props
-- `rerender-dependencies` - Use primitive dependencies in effects
-- `rerender-derived-state` - Subscribe to derived booleans, not raw values
-- `rerender-derived-state-no-effect` - Derive state during render, not effects
-- `rerender-functional-setstate` - Use functional setState for stable callbacks
-- `rerender-lazy-state-init` - Pass function to useState for expensive values
-- `rerender-simple-expression-in-memo` - Avoid memo for simple primitives
-- `rerender-move-effect-to-event` - Put interaction logic in event handlers
-- `rerender-transitions` - Use startTransition for non-urgent updates
-- `rerender-use-ref-transient-values` - Use refs for transient frequent values
-
-### 6. Rendering Performance (MEDIUM)
-
-- `rendering-animate-svg-wrapper` - Animate div wrapper, not SVG element
-- `rendering-content-visibility` - Use content-visibility for long lists
-- `rendering-hoist-jsx` - Extract static JSX outside components
-- `rendering-svg-precision` - Reduce SVG coordinate precision
-- `rendering-hydration-no-flicker` - Use inline script for client-only data
-- `rendering-hydration-suppress-warning` - Suppress expected mismatches
-- `rendering-activity` - Use Activity component for show/hide
-- `rendering-conditional-render` - Use ternary, not && for conditionals
-- `rendering-usetransition-loading` - Prefer useTransition for loading state
-
-### 7. JavaScript Performance (LOW-MEDIUM)
-
-- `js-batch-dom-css` - Group CSS changes via classes or cssText
-- `js-index-maps` - Build Map for repeated lookups
-- `js-cache-property-access` - Cache object properties in loops
-- `js-cache-function-results` - Cache function results in module-level Map
-- `js-cache-storage` - Cache localStorage/sessionStorage reads
-- `js-combine-iterations` - Combine multiple filter/map into one loop
-- `js-length-check-first` - Check array length before expensive comparison
-- `js-early-exit` - Return early from functions
-- `js-hoist-regexp` - Hoist RegExp creation outside loops
-- `js-min-max-loop` - Use loop for min/max instead of sort
-- `js-set-map-lookups` - Use Set/Map for O(1) lookups
-- `js-tosorted-immutable` - Use toSorted() for immutability
-
-### 8. Advanced Patterns (LOW)
-
-- `advanced-event-handler-refs` - Store event handlers in refs
-- `advanced-init-once` - Initialize app once per app load
-- `advanced-use-latest` - useLatest for stable callback refs
-
-## How to Use
-
-Read individual rule files for detailed explanations and code examples:
-
-```
-rules/async-parallel.md
-rules/bundle-barrel-imports.md
-```
-
-Each rule file contains:
-- Brief explanation of why it matters
-- Incorrect code example with explanation
-- Correct code example with explanation
-- Additional context and references
-
-## Full Compiled Document
-
-For the complete guide with all rules expanded: `AGENTS.md`

.agents/skills/vercel-react-best-practices/rules/advanced-event-handler-refs.md

@@ -1,55 +0,0 @@
----
-title: Store Event Handlers in Refs
-impact: LOW
-impactDescription: stable subscriptions
-tags: advanced, hooks, refs, event-handlers, optimization
----
-
-## Store Event Handlers in Refs
-
-Store callbacks in refs when used in effects that shouldn't re-subscribe on callback changes.
-
-**Incorrect (re-subscribes on every render):**
-
-```tsx
-function useWindowEvent(event: string, handler: (e) => void) {
-  useEffect(() => {
-    window.addEventListener(event, handler)
-    return () => window.removeEventListener(event, handler)
-  }, [event, handler])
-}
-```
-
-**Correct (stable subscription):**
-
-```tsx
-function useWindowEvent(event: string, handler: (e) => void) {
-  const handlerRef = useRef(handler)
-  useEffect(() => {
-    handlerRef.current = handler
-  }, [handler])
-
-  useEffect(() => {
-    const listener = (e) => handlerRef.current(e)
-    window.addEventListener(event, listener)
-    return () => window.removeEventListener(event, listener)
-  }, [event])
-}
-```
-
-**Alternative: use `useEffectEvent` if you're on latest React:**
-
-```tsx
-import { useEffectEvent } from 'react'
-
-function useWindowEvent(event: string, handler: (e) => void) {
-  const onEvent = useEffectEvent(handler)
-
-  useEffect(() => {
-    window.addEventListener(event, onEvent)
-    return () => window.removeEventListener(event, onEvent)
-  }, [event])
-}
-```
-
-`useEffectEvent` provides a cleaner API for the same pattern: it creates a stable function reference that always calls the latest version of the handler.

.agents/skills/vercel-react-best-practices/rules/advanced-init-once.md

@@ -1,42 +0,0 @@
----
-title: Initialize App Once, Not Per Mount
-impact: LOW-MEDIUM
-impactDescription: avoids duplicate init in development
-tags: initialization, useEffect, app-startup, side-effects
----
-
-## Initialize App Once, Not Per Mount
-
-Do not put app-wide initialization that must run once per app load inside `useEffect([])` of a component. Components can remount and effects will re-run. Use a module-level guard or top-level init in the entry module instead.
-
-**Incorrect (runs twice in dev, re-runs on remount):**
-
-```tsx
-function Comp() {
-  useEffect(() => {
-    loadFromStorage()
-    checkAuthToken()
-  }, [])
-
-  // ...
-}
-```
-
-**Correct (once per app load):**
-
-```tsx
-let didInit = false
-
-function Comp() {
-  useEffect(() => {
-    if (didInit) return
-    didInit = true
-    loadFromStorage()
-    checkAuthToken()
-  }, [])
-
-  // ...
-}
-```
-
-Reference: [Initializing the application](https://react.dev/learn/you-might-not-need-an-effect#initializing-the-application)

.agents/skills/vercel-react-best-practices/rules/advanced-use-latest.md

@@ -1,39 +0,0 @@
----
-title: useEffectEvent for Stable Callback Refs
-impact: LOW
-impactDescription: prevents effect re-runs
-tags: advanced, hooks, useEffectEvent, refs, optimization
----
-
-## useEffectEvent for Stable Callback Refs
-
-Access latest values in callbacks without adding them to dependency arrays. Prevents effect re-runs while avoiding stale closures.
-
-**Incorrect (effect re-runs on every callback change):**
-
-```tsx
-function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
-  const [query, setQuery] = useState('')
-
-  useEffect(() => {
-    const timeout = setTimeout(() => onSearch(query), 300)
-    return () => clearTimeout(timeout)
-  }, [query, onSearch])
-}
-```
-
-**Correct (using React's useEffectEvent):**
-
-```tsx
-import { useEffectEvent } from 'react';
-
-function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
-  const [query, setQuery] = useState('')
-  const onSearchEvent = useEffectEvent(onSearch)
-
-  useEffect(() => {
-    const timeout = setTimeout(() => onSearchEvent(query), 300)
-    return () => clearTimeout(timeout)
-  }, [query])
-}
-```

.agents/skills/vercel-react-best-practices/rules/async-api-routes.md

@@ -1,38 +0,0 @@
----
-title: Prevent Waterfall Chains in API Routes
-impact: CRITICAL
-impactDescription: 2-10× improvement
-tags: api-routes, server-actions, waterfalls, parallelization
----
-
-## Prevent Waterfall Chains in API Routes
-
-In API routes and Server Actions, start independent operations immediately, even if you don't await them yet.
-
-**Incorrect (config waits for auth, data waits for both):**
-
-```typescript
-export async function GET(request: Request) {
-  const session = await auth()
-  const config = await fetchConfig()
-  const data = await fetchData(session.user.id)
-  return Response.json({ data, config })
-}
-```
-
-**Correct (auth and config start immediately):**
-
-```typescript
-export async function GET(request: Request) {
-  const sessionPromise = auth()
-  const configPromise = fetchConfig()
-  const session = await sessionPromise
-  const [config, data] = await Promise.all([
-    configPromise,
-    fetchData(session.user.id)
-  ])
-  return Response.json({ data, config })
-}
-```
-
-For operations with more complex dependency chains, use `better-all` to automatically maximize parallelism (see Dependency-Based Parallelization).

.agents/skills/vercel-react-best-practices/rules/async-defer-await.md

@@ -1,80 +0,0 @@
----
-title: Defer Await Until Needed
-impact: HIGH
-impactDescription: avoids blocking unused code paths
-tags: async, await, conditional, optimization
----
-
-## Defer Await Until Needed
-
-Move `await` operations into the branches where they're actually used to avoid blocking code paths that don't need them.
-
-**Incorrect (blocks both branches):**
-
-```typescript
-async function handleRequest(userId: string, skipProcessing: boolean) {
-  const userData = await fetchUserData(userId)
-  
-  if (skipProcessing) {
-    // Returns immediately but still waited for userData
-    return { skipped: true }
-  }
-  
-  // Only this branch uses userData
-  return processUserData(userData)
-}
-```
-
-**Correct (only blocks when needed):**
-
-```typescript
-async function handleRequest(userId: string, skipProcessing: boolean) {
-  if (skipProcessing) {
-    // Returns immediately without waiting
-    return { skipped: true }
-  }
-  
-  // Fetch only when needed
-  const userData = await fetchUserData(userId)
-  return processUserData(userData)
-}
-```
-
-**Another example (early return optimization):**
-
-```typescript
-// Incorrect: always fetches permissions
-async function updateResource(resourceId: string, userId: string) {
-  const permissions = await fetchPermissions(userId)
-  const resource = await getResource(resourceId)
-  
-  if (!resource) {
-    return { error: 'Not found' }
-  }
-  
-  if (!permissions.canEdit) {
-    return { error: 'Forbidden' }
-  }
-  
-  return await updateResourceData(resource, permissions)
-}
-
-// Correct: fetches only when needed
-async function updateResource(resourceId: string, userId: string) {
-  const resource = await getResource(resourceId)
-  
-  if (!resource) {
-    return { error: 'Not found' }
-  }
-  
-  const permissions = await fetchPermissions(userId)
-  
-  if (!permissions.canEdit) {
-    return { error: 'Forbidden' }
-  }
-  
-  return await updateResourceData(resource, permissions)
-}
-```
-
-This optimization is especially valuable when the skipped branch is frequently taken, or when the deferred operation is expensive.

.agents/skills/vercel-react-best-practices/rules/async-dependencies.md

@@ -1,51 +0,0 @@
----
-title: Dependency-Based Parallelization
-impact: CRITICAL
-impactDescription: 2-10× improvement
-tags: async, parallelization, dependencies, better-all
----
-
-## Dependency-Based Parallelization
-
-For operations with partial dependencies, use `better-all` to maximize parallelism. It automatically starts each task at the earliest possible moment.
-
-**Incorrect (profile waits for config unnecessarily):**
-
-```typescript
-const [user, config] = await Promise.all([
-  fetchUser(),
-  fetchConfig()
-])
-const profile = await fetchProfile(user.id)
-```
-
-**Correct (config and profile run in parallel):**
-
-```typescript
-import { all } from 'better-all'
-
-const { user, config, profile } = await all({
-  async user() { return fetchUser() },
-  async config() { return fetchConfig() },
-  async profile() {
-    return fetchProfile((await this.$.user).id)
-  }
-})
-```
-
-**Alternative without extra dependencies:**
-
-We can also create all the promises first, and do `Promise.all()` at the end.
-
-```typescript
-const userPromise = fetchUser()
-const profilePromise = userPromise.then(user => fetchProfile(user.id))
-
-const [user, config, profile] = await Promise.all([
-  userPromise,
-  fetchConfig(),
-  profilePromise
-])
-```
-
-Reference: [https://github.com/shuding/better-all](https://github.com/shuding/better-all)

.agents/skills/vercel-react-best-practices/rules/async-parallel.md

@@ -1,28 +0,0 @@
----
-title: Promise.all() for Independent Operations
-impact: CRITICAL
-impactDescription: 2-10× improvement
-tags: async, parallelization, promises, waterfalls
----
-
-## Promise.all() for Independent Operations
-
-When async operations have no interdependencies, execute them concurrently using `Promise.all()`.
-
-**Incorrect (sequential execution, 3 round trips):**
-
-```typescript
-const user = await fetchUser()
-const posts = await fetchPosts()
-const comments = await fetchComments()
-```
-
-**Correct (parallel execution, 1 round trip):**
-
-```typescript
-const [user, posts, comments] = await Promise.all([
-  fetchUser(),
-  fetchPosts(),
-  fetchComments()
-])
-```

.agents/skills/vercel-react-best-practices/rules/async-suspense-boundaries.md

@@ -1,99 +0,0 @@
----
-title: Strategic Suspense Boundaries
-impact: HIGH
-impactDescription: faster initial paint
-tags: async, suspense, streaming, layout-shift
----
-
-## Strategic Suspense Boundaries
-
-Instead of awaiting data in async components before returning JSX, use Suspense boundaries to show the wrapper UI faster while data loads.
-
-**Incorrect (wrapper blocked by data fetching):**
-
-```tsx
-async function Page() {
-  const data = await fetchData() // Blocks entire page
-  
-  return (
-    <div>
-      <div>Sidebar</div>
-      <div>Header</div>
-      <div>
-        <DataDisplay data={data} />
-      </div>
-      <div>Footer</div>
-    </div>
-  )
-}
-```
-
-The entire layout waits for data even though only the middle section needs it.
-
-**Correct (wrapper shows immediately, data streams in):**
-
-```tsx
-function Page() {
-  return (
-    <div>
-      <div>Sidebar</div>
-      <div>Header</div>
-      <div>
-        <Suspense fallback={<Skeleton />}>
-          <DataDisplay />
-        </Suspense>
-      </div>
-      <div>Footer</div>
-    </div>
-  )
-}
-
-async function DataDisplay() {
-  const data = await fetchData() // Only blocks this component
-  return <div>{data.content}</div>
-}
-```
-
-Sidebar, Header, and Footer render immediately. Only DataDisplay waits for data.
-
-**Alternative (share promise across components):**
-
-```tsx
-function Page() {
-  // Start fetch immediately, but don't await
-  const dataPromise = fetchData()
-  
-  return (
-    <div>
-      <div>Sidebar</div>
-      <div>Header</div>
-      <Suspense fallback={<Skeleton />}>
-        <DataDisplay dataPromise={dataPromise} />
-        <DataSummary dataPromise={dataPromise} />
-      </Suspense>
-      <div>Footer</div>
-    </div>
-  )
-}
-
-function DataDisplay({ dataPromise }: { dataPromise: Promise<Data> }) {
-  const data = use(dataPromise) // Unwraps the promise
-  return <div>{data.content}</div>
-}
-
-function DataSummary({ dataPromise }: { dataPromise: Promise<Data> }) {
-  const data = use(dataPromise) // Reuses the same promise
-  return <div>{data.summary}</div>
-}
-```
-
-Both components share the same promise, so only one fetch occurs. Layout renders immediately while both components wait together.
-
-**When NOT to use this pattern:**
-
-- Critical data needed for layout decisions (affects positioning)
-- SEO-critical content above the fold
-- Small, fast queries where suspense overhead isn't worth it
-- When you want to avoid layout shift (loading → content jump)
-
-**Trade-off:** Faster initial paint vs potential layout shift. Choose based on your UX priorities.

.agents/skills/vercel-react-best-practices/rules/bundle-barrel-imports.md

@@ -1,59 +0,0 @@
----
-title: Avoid Barrel File Imports
-impact: CRITICAL
-impactDescription: 200-800ms import cost, slow builds
-tags: bundle, imports, tree-shaking, barrel-files, performance
----
-
-## Avoid Barrel File Imports
-
-Import directly from source files instead of barrel files to avoid loading thousands of unused modules. **Barrel files** are entry points that re-export multiple modules (e.g., `index.js` that does `export * from './module'`).
-
-Popular icon and component libraries can have **up to 10,000 re-exports** in their entry file. For many React packages, **it takes 200-800ms just to import them**, affecting both development speed and production cold starts.
-
-**Why tree-shaking doesn't help:** When a library is marked as external (not bundled), the bundler can't optimize it. If you bundle it to enable tree-shaking, builds become substantially slower analyzing the entire module graph.
-
-**Incorrect (imports entire library):**
-
-```tsx
-import { Check, X, Menu } from 'lucide-react'
-// Loads 1,583 modules, takes ~2.8s extra in dev
-// Runtime cost: 200-800ms on every cold start
-
-import { Button, TextField } from '@mui/material'
-// Loads 2,225 modules, takes ~4.2s extra in dev
-```
-
-**Correct (imports only what you need):**
-
-```tsx
-import Check from 'lucide-react/dist/esm/icons/check'
-import X from 'lucide-react/dist/esm/icons/x'
-import Menu from 'lucide-react/dist/esm/icons/menu'
-// Loads only 3 modules (~2KB vs ~1MB)
-
-import Button from '@mui/material/Button'
-import TextField from '@mui/material/TextField'
-// Loads only what you use
-```
-
-**Alternative (Next.js 13.5+):**
-
-```js
-// next.config.js - use optimizePackageImports
-module.exports = {
-  experimental: {
-    optimizePackageImports: ['lucide-react', '@mui/material']
-  }
-}
-
-// Then you can keep the ergonomic barrel imports:
-import { Check, X, Menu } from 'lucide-react'
-// Automatically transformed to direct imports at build time
-```
-
-Direct imports provide 15-70% faster dev boot, 28% faster builds, 40% faster cold starts, and significantly faster HMR.
-
-Libraries commonly affected: `lucide-react`, `@mui/material`, `@mui/icons-material`, `@tabler/icons-react`, `react-icons`, `@headlessui/react`, `@radix-ui/react-*`, `lodash`, `ramda`, `date-fns`, `rxjs`, `react-use`.
-
-Reference: [How we optimized package imports in Next.js](https://vercel.com/blog/how-we-optimized-package-imports-in-next-js)

.agents/skills/vercel-react-best-practices/rules/bundle-conditional.md

@@ -1,31 +0,0 @@
----
-title: Conditional Module Loading
-impact: HIGH
-impactDescription: loads large data only when needed
-tags: bundle, conditional-loading, lazy-loading
----
-
-## Conditional Module Loading
-
-Load large data or modules only when a feature is activated.
-
-**Example (lazy-load animation frames):**
-
-```tsx
-function AnimationPlayer({ enabled, setEnabled }: { enabled: boolean; setEnabled: React.Dispatch<React.SetStateAction<boolean>> }) {
-  const [frames, setFrames] = useState<Frame[] | null>(null)
-
-  useEffect(() => {
-    if (enabled && !frames && typeof window !== 'undefined') {
-      import('./animation-frames.js')
-        .then(mod => setFrames(mod.frames))
-        .catch(() => setEnabled(false))
-    }
-  }, [enabled, frames, setEnabled])
-
-  if (!frames) return <Skeleton />
-  return <Canvas frames={frames} />
-}
-```
-
-The `typeof window !== 'undefined'` check prevents bundling this module for SSR, optimizing server bundle size and build speed.

.agents/skills/vercel-react-best-practices/rules/bundle-defer-third-party.md

@@ -1,49 +0,0 @@
----
-title: Defer Non-Critical Third-Party Libraries
-impact: MEDIUM
-impactDescription: loads after hydration
-tags: bundle, third-party, analytics, defer
----
-
-## Defer Non-Critical Third-Party Libraries
-
-Analytics, logging, and error tracking don't block user interaction. Load them after hydration.
-
-**Incorrect (blocks initial bundle):**
-
-```tsx
-import { Analytics } from '@vercel/analytics/react'
-
-export default function RootLayout({ children }) {
-  return (
-    <html>
-      <body>
-        {children}
-        <Analytics />
-      </body>
-    </html>
-  )
-}
-```
-
-**Correct (loads after hydration):**
-
-```tsx
-import dynamic from 'next/dynamic'
-
-const Analytics = dynamic(
-  () => import('@vercel/analytics/react').then(m => m.Analytics),
-  { ssr: false }
-)
-
-export default function RootLayout({ children }) {
-  return (
-    <html>
-      <body>
-        {children}
-        <Analytics />
-      </body>
-    </html>
-  )
-}
-```

.agents/skills/vercel-react-best-practices/rules/bundle-dynamic-imports.md

@@ -1,35 +0,0 @@
----
-title: Dynamic Imports for Heavy Components
-impact: CRITICAL
-impactDescription: directly affects TTI and LCP
-tags: bundle, dynamic-import, code-splitting, next-dynamic
----
-
-## Dynamic Imports for Heavy Components
-
-Use `next/dynamic` to lazy-load large components not needed on initial render.
-
-**Incorrect (Monaco bundles with main chunk ~300KB):**
-
-```tsx
-import { MonacoEditor } from './monaco-editor'
-
-function CodePanel({ code }: { code: string }) {
-  return <MonacoEditor value={code} />
-}
-```
-
-**Correct (Monaco loads on demand):**
-
-```tsx
-import dynamic from 'next/dynamic'
-
-const MonacoEditor = dynamic(
-  () => import('./monaco-editor').then(m => m.MonacoEditor),
-  { ssr: false }
-)
-
-function CodePanel({ code }: { code: string }) {
-  return <MonacoEditor value={code} />
-}
-```

.agents/skills/vercel-react-best-practices/rules/bundle-preload.md

@@ -1,50 +0,0 @@
----
-title: Preload Based on User Intent
-impact: MEDIUM
-impactDescription: reduces perceived latency
-tags: bundle, preload, user-intent, hover
----
-
-## Preload Based on User Intent
-
-Preload heavy bundles before they're needed to reduce perceived latency.
-
-**Example (preload on hover/focus):**
-
-```tsx
-function EditorButton({ onClick }: { onClick: () => void }) {
-  const preload = () => {
-    if (typeof window !== 'undefined') {
-      void import('./monaco-editor')
-    }
-  }
-
-  return (
-    <button
-      onMouseEnter={preload}
-      onFocus={preload}
-      onClick={onClick}
-    >
-      Open Editor
-    </button>
-  )
-}
-```
-
-**Example (preload when feature flag is enabled):**
-
-```tsx
-function FlagsProvider({ children, flags }: Props) {
-  useEffect(() => {
-    if (flags.editorEnabled && typeof window !== 'undefined') {
-      void import('./monaco-editor').then(mod => mod.init())
-    }
-  }, [flags.editorEnabled])
-
-  return <FlagsContext.Provider value={flags}>
-    {children}
-  </FlagsContext.Provider>
-}
-```
-
-The `typeof window !== 'undefined'` check prevents bundling preloaded modules for SSR, optimizing server bundle size and build speed.

.agents/skills/vercel-react-best-practices/rules/client-event-listeners.md

@@ -1,74 +0,0 @@
----
-title: Deduplicate Global Event Listeners
-impact: LOW
-impactDescription: single listener for N components
-tags: client, swr, event-listeners, subscription
----
-
-## Deduplicate Global Event Listeners
-
-Use `useSWRSubscription()` to share global event listeners across component instances.
-
-**Incorrect (N instances = N listeners):**
-
-```tsx
-function useKeyboardShortcut(key: string, callback: () => void) {
-  useEffect(() => {
-    const handler = (e: KeyboardEvent) => {
-      if (e.metaKey && e.key === key) {
-        callback()
-      }
-    }
-    window.addEventListener('keydown', handler)
-    return () => window.removeEventListener('keydown', handler)
-  }, [key, callback])
-}
-```
-
-When using the `useKeyboardShortcut` hook multiple times, each instance will register a new listener.
-
-**Correct (N instances = 1 listener):**
-
-```tsx
-import useSWRSubscription from 'swr/subscription'
-
-// Module-level Map to track callbacks per key
-const keyCallbacks = new Map<string, Set<() => void>>()
-
-function useKeyboardShortcut(key: string, callback: () => void) {
-  // Register this callback in the Map
-  useEffect(() => {
-    if (!keyCallbacks.has(key)) {
-      keyCallbacks.set(key, new Set())
-    }
-    keyCallbacks.get(key)!.add(callback)
-
-    return () => {
-      const set = keyCallbacks.get(key)
-      if (set) {
-        set.delete(callback)
-        if (set.size === 0) {
-          keyCallbacks.delete(key)
-        }
-      }
-    }
-  }, [key, callback])
-
-  useSWRSubscription('global-keydown', () => {
-    const handler = (e: KeyboardEvent) => {
-      if (e.metaKey && keyCallbacks.has(e.key)) {
-        keyCallbacks.get(e.key)!.forEach(cb => cb())
-      }
-    }
-    window.addEventListener('keydown', handler)
-    return () => window.removeEventListener('keydown', handler)
-  })
-}
-
-function Profile() {
-  // Multiple shortcuts will share the same listener
-  useKeyboardShortcut('p', () => { /* ... */ }) 
-  useKeyboardShortcut('k', () => { /* ... */ })
-  // ...
-}
-```

.agents/skills/vercel-react-best-practices/rules/client-localstorage-schema.md

@@ -1,71 +0,0 @@
----
-title: Version and Minimize localStorage Data
-impact: MEDIUM
-impactDescription: prevents schema conflicts, reduces storage size
-tags: client, localStorage, storage, versioning, data-minimization
----
-
-## Version and Minimize localStorage Data
-
-Add version prefix to keys and store only needed fields. Prevents schema conflicts and accidental storage of sensitive data.
-
-**Incorrect:**
-
-```typescript
-// No version, stores everything, no error handling
-localStorage.setItem('userConfig', JSON.stringify(fullUserObject))
-const data = localStorage.getItem('userConfig')
-```
-
-**Correct:**
-
-```typescript
-const VERSION = 'v2'
-
-function saveConfig(config: { theme: string; language: string }) {
-  try {
-    localStorage.setItem(`userConfig:${VERSION}`, JSON.stringify(config))
-  } catch {
-    // Throws in incognito/private browsing, quota exceeded, or disabled
-  }
-}
-
-function loadConfig() {
-  try {
-    const data = localStorage.getItem(`userConfig:${VERSION}`)
-    return data ? JSON.parse(data) : null
-  } catch {
-    return null
-  }
-}
-
-// Migration from v1 to v2
-function migrate() {
-  try {
-    const v1 = localStorage.getItem('userConfig:v1')
-    if (v1) {
-      const old = JSON.parse(v1)
-      saveConfig({ theme: old.darkMode ? 'dark' : 'light', language: old.lang })
-      localStorage.removeItem('userConfig:v1')
-    }
-  } catch {}
-}
-```
-
-**Store minimal fields from server responses:**
-
-```typescript
-// User object has 20+ fields, only store what UI needs
-function cachePrefs(user: FullUser) {
-  try {
-    localStorage.setItem('prefs:v1', JSON.stringify({
-      theme: user.preferences.theme,
-      notifications: user.preferences.notifications
-    }))
-  } catch {}
-}
-```
-
-**Always wrap in try-catch:** `getItem()` and `setItem()` throw in incognito/private browsing (Safari, Firefox), when quota exceeded, or when disabled.
-
-**Benefits:** Schema evolution via versioning, reduced storage size, prevents storing tokens/PII/internal flags.

.agents/skills/vercel-react-best-practices/rules/client-passive-event-listeners.md

@@ -1,48 +0,0 @@
----
-title: Use Passive Event Listeners for Scrolling Performance
-impact: MEDIUM
-impactDescription: eliminates scroll delay caused by event listeners
-tags: client, event-listeners, scrolling, performance, touch, wheel
----
-
-## Use Passive Event Listeners for Scrolling Performance
-
-Add `{ passive: true }` to touch and wheel event listeners to enable immediate scrolling. Browsers normally wait for listeners to finish to check if `preventDefault()` is called, causing scroll delay.
-
-**Incorrect:**
-
-```typescript
-useEffect(() => {
-  const handleTouch = (e: TouchEvent) => console.log(e.touches[0].clientX)
-  const handleWheel = (e: WheelEvent) => console.log(e.deltaY)
-  
-  document.addEventListener('touchstart', handleTouch)
-  document.addEventListener('wheel', handleWheel)
-  
-  return () => {
-    document.removeEventListener('touchstart', handleTouch)
-    document.removeEventListener('wheel', handleWheel)
-  }
-}, [])
-```
-
-**Correct:**
-
-```typescript
-useEffect(() => {
-  const handleTouch = (e: TouchEvent) => console.log(e.touches[0].clientX)
-  const handleWheel = (e: WheelEvent) => console.log(e.deltaY)
-  
-  document.addEventListener('touchstart', handleTouch, { passive: true })
-  document.addEventListener('wheel', handleWheel, { passive: true })
-  
-  return () => {
-    document.removeEventListener('touchstart', handleTouch)
-    document.removeEventListener('wheel', handleWheel)
-  }
-}, [])
-```
-
-**Use passive when:** tracking/analytics, logging, any listener that doesn't call `preventDefault()`.
-
-**Don't use passive when:** implementing custom swipe gestures, custom zoom controls, or any listener that needs `preventDefault()`.

.agents/skills/vercel-react-best-practices/rules/client-swr-dedup.md

@@ -1,56 +0,0 @@
----
-title: Use SWR for Automatic Deduplication
-impact: MEDIUM-HIGH
-impactDescription: automatic deduplication
-tags: client, swr, deduplication, data-fetching
----
-
-## Use SWR for Automatic Deduplication
-
-SWR enables request deduplication, caching, and revalidation across component instances.
-
-**Incorrect (no deduplication, each instance fetches):**
-
-```tsx
-function UserList() {
-  const [users, setUsers] = useState([])
-  useEffect(() => {
-    fetch('/api/users')
-      .then(r => r.json())
-      .then(setUsers)
-  }, [])
-}
-```
-
-**Correct (multiple instances share one request):**
-
-```tsx
-import useSWR from 'swr'
-
-function UserList() {
-  const { data: users } = useSWR('/api/users', fetcher)
-}
-```
-
-**For immutable data:**
-
-```tsx
-import { useImmutableSWR } from '@/lib/swr'
-
-function StaticContent() {
-  const { data } = useImmutableSWR('/api/config', fetcher)
-}
-```
-
-**For mutations:**
-
-```tsx
-import { useSWRMutation } from 'swr/mutation'
-
-function UpdateButton() {
-  const { trigger } = useSWRMutation('/api/user', updateUser)
-  return <button onClick={() => trigger()}>Update</button>
-}
-```
-
-Reference: [https://swr.vercel.app](https://swr.vercel.app)

.agents/skills/vercel-react-best-practices/rules/js-batch-dom-css.md

@@ -1,107 +0,0 @@
----
-title: Avoid Layout Thrashing
-impact: MEDIUM
-impactDescription: prevents forced synchronous layouts and reduces performance bottlenecks
-tags: javascript, dom, css, performance, reflow, layout-thrashing
----
-
-## Avoid Layout Thrashing
-
-Avoid interleaving style writes with layout reads. When you read a layout property (like `offsetWidth`, `getBoundingClientRect()`, or `getComputedStyle()`) between style changes, the browser is forced to trigger a synchronous reflow.
-
-**This is OK (browser batches style changes):**
-```typescript
-function updateElementStyles(element: HTMLElement) {
-  // Each line invalidates style, but browser batches the recalculation
-  element.style.width = '100px'
-  element.style.height = '200px'
-  element.style.backgroundColor = 'blue'
-  element.style.border = '1px solid black'
-}
-```
-
-**Incorrect (interleaved reads and writes force reflows):**
-```typescript
-function layoutThrashing(element: HTMLElement) {
-  element.style.width = '100px'
-  const width = element.offsetWidth  // Forces reflow
-  element.style.height = '200px'
-  const height = element.offsetHeight  // Forces another reflow
-}
-```
-
-**Correct (batch writes, then read once):**
-```typescript
-function updateElementStyles(element: HTMLElement) {
-  // Batch all writes together
-  element.style.width = '100px'
-  element.style.height = '200px'
-  element.style.backgroundColor = 'blue'
-  element.style.border = '1px solid black'
-  
-  // Read after all writes are done (single reflow)
-  const { width, height } = element.getBoundingClientRect()
-}
-```
-
-**Correct (batch reads, then writes):**
-```typescript
-function avoidThrashing(element: HTMLElement) {
-  // Read phase - all layout queries first
-  const rect1 = element.getBoundingClientRect()
-  const offsetWidth = element.offsetWidth
-  const offsetHeight = element.offsetHeight
-  
-  // Write phase - all style changes after
-  element.style.width = '100px'
-  element.style.height = '200px'
-}
-```
-
-**Better: use CSS classes**
-```css
-.highlighted-box {
-  width: 100px;
-  height: 200px;
-  background-color: blue;
-  border: 1px solid black;
-}
-```
-```typescript
-function updateElementStyles(element: HTMLElement) {
-  element.classList.add('highlighted-box')
-  
-  const { width, height } = element.getBoundingClientRect()
-}
-```
-
-**React example:**
-```tsx
-// Incorrect: interleaving style changes with layout queries
-function Box({ isHighlighted }: { isHighlighted: boolean }) {
-  const ref = useRef<HTMLDivElement>(null)
-  
-  useEffect(() => {
-    if (ref.current && isHighlighted) {
-      ref.current.style.width = '100px'
-      const width = ref.current.offsetWidth // Forces layout
-      ref.current.style.height = '200px'
-    }
-  }, [isHighlighted])
-  
-  return <div ref={ref}>Content</div>
-}
-
-// Correct: toggle class
-function Box({ isHighlighted }: { isHighlighted: boolean }) {
-  return (
-    <div className={isHighlighted ? 'highlighted-box' : ''}>
-      Content
-    </div>
-  )
-}
-```
-
-Prefer CSS classes over inline styles when possible. CSS files are cached by the browser, and classes provide better separation of concerns and are easier to maintain.
-
-See [this gist](https://gist.github.com/paulirish/5d52fb081b3570c81e3a) and [CSS Triggers](https://csstriggers.com/) for more information on layout-forcing operations.

.agents/skills/vercel-react-best-practices/rules/js-cache-function-results.md

@@ -1,80 +0,0 @@
----
-title: Cache Repeated Function Calls
-impact: MEDIUM
-impactDescription: avoid redundant computation
-tags: javascript, cache, memoization, performance
----
-
-## Cache Repeated Function Calls
-
-Use a module-level Map to cache function results when the same function is called repeatedly with the same inputs during render.
-
-**Incorrect (redundant computation):**
-
-```typescript
-function ProjectList({ projects }: { projects: Project[] }) {
-  return (
-    <div>
-      {projects.map(project => {
-        // slugify() called 100+ times for same project names
-        const slug = slugify(project.name)
-        
-        return <ProjectCard key={project.id} slug={slug} />
-      })}
-    </div>
-  )
-}
-```
-
-**Correct (cached results):**
-
-```typescript
-// Module-level cache
-const slugifyCache = new Map<string, string>()
-
-function cachedSlugify(text: string): string {
-  if (slugifyCache.has(text)) {
-    return slugifyCache.get(text)!
-  }
-  const result = slugify(text)
-  slugifyCache.set(text, result)
-  return result
-}
-
-function ProjectList({ projects }: { projects: Project[] }) {
-  return (
-    <div>
-      {projects.map(project => {
-        // Computed only once per unique project name
-        const slug = cachedSlugify(project.name)
-        
-        return <ProjectCard key={project.id} slug={slug} />
-      })}
-    </div>
-  )
-}
-```
-
-**Simpler pattern for single-value functions:**
-
-```typescript
-let isLoggedInCache: boolean | null = null
-
-function isLoggedIn(): boolean {
-  if (isLoggedInCache !== null) {
-    return isLoggedInCache
-  }
-  
-  isLoggedInCache = document.cookie.includes('auth=')
-  return isLoggedInCache
-}
-
-// Clear cache when auth changes
-function onAuthChange() {
-  isLoggedInCache = null
-}
-```
-
-Use a Map (not a hook) so it works everywhere: utilities, event handlers, not just React components.
-
-Reference: [How we made the Vercel Dashboard twice as fast](https://vercel.com/blog/how-we-made-the-vercel-dashboard-twice-as-fast)

.agents/skills/vercel-react-best-practices/rules/js-cache-property-access.md

@@ -1,28 +0,0 @@
----
-title: Cache Property Access in Loops
-impact: LOW-MEDIUM
-impactDescription: reduces lookups
-tags: javascript, loops, optimization, caching
----
-
-## Cache Property Access in Loops
-
-Cache object property lookups in hot paths.
-
-**Incorrect (3 lookups × N iterations):**
-
-```typescript
-for (let i = 0; i < arr.length; i++) {
-  process(obj.config.settings.value)
-}
-```
-
-**Correct (1 lookup total):**
-
-```typescript
-const value = obj.config.settings.value
-const len = arr.length
-for (let i = 0; i < len; i++) {
-  process(value)
-}
-```

.agents/skills/vercel-react-best-practices/rules/js-cache-storage.md

@@ -1,70 +0,0 @@
----
-title: Cache Storage API Calls
-impact: LOW-MEDIUM
-impactDescription: reduces expensive I/O
-tags: javascript, localStorage, storage, caching, performance
----
-
-## Cache Storage API Calls
-
-`localStorage`, `sessionStorage`, and `document.cookie` are synchronous and expensive. Cache reads in memory.
-
-**Incorrect (reads storage on every call):**
-
-```typescript
-function getTheme() {
-  return localStorage.getItem('theme') ?? 'light'
-}
-// Called 10 times = 10 storage reads
-```
-
-**Correct (Map cache):**
-
-```typescript
-const storageCache = new Map<string, string | null>()
-
-function getLocalStorage(key: string) {
-  if (!storageCache.has(key)) {
-    storageCache.set(key, localStorage.getItem(key))
-  }
-  return storageCache.get(key)
-}
-
-function setLocalStorage(key: string, value: string) {
-  localStorage.setItem(key, value)
-  storageCache.set(key, value)  // keep cache in sync
-}
-```
-
-Use a Map (not a hook) so it works everywhere: utilities, event handlers, not just React components.
-
-**Cookie caching:**
-
-```typescript
-let cookieCache: Record<string, string> | null = null
-
-function getCookie(name: string) {
-  if (!cookieCache) {
-    cookieCache = Object.fromEntries(
-      document.cookie.split('; ').map(c => c.split('='))
-    )
-  }
-  return cookieCache[name]
-}
-```
-
-**Important (invalidate on external changes):**
-
-If storage can change externally (another tab, server-set cookies), invalidate cache:
-
-```typescript
-window.addEventListener('storage', (e) => {
-  if (e.key) storageCache.delete(e.key)
-})
-
-document.addEventListener('visibilitychange', () => {
-  if (document.visibilityState === 'visible') {
-    storageCache.clear()
-  }
-})
-```

.agents/skills/vercel-react-best-practices/rules/js-combine-iterations.md

@@ -1,32 +0,0 @@
----
-title: Combine Multiple Array Iterations
-impact: LOW-MEDIUM
-impactDescription: reduces iterations
-tags: javascript, arrays, loops, performance
----
-
-## Combine Multiple Array Iterations
-
-Multiple `.filter()` or `.map()` calls iterate the array multiple times. Combine into one loop.
-
-**Incorrect (3 iterations):**
-
-```typescript
-const admins = users.filter(u => u.isAdmin)
-const testers = users.filter(u => u.isTester)
-const inactive = users.filter(u => !u.isActive)
-```
-
-**Correct (1 iteration):**
-
-```typescript
-const admins: User[] = []
-const testers: User[] = []
-const inactive: User[] = []
-
-for (const user of users) {
-  if (user.isAdmin) admins.push(user)
-  if (user.isTester) testers.push(user)
-  if (!user.isActive) inactive.push(user)
-}
-```

.agents/skills/vercel-react-best-practices/rules/js-early-exit.md

@@ -1,50 +0,0 @@
----
-title: Early Return from Functions
-impact: LOW-MEDIUM
-impactDescription: avoids unnecessary computation
-tags: javascript, functions, optimization, early-return
----
-
-## Early Return from Functions
-
-Return early when result is determined to skip unnecessary processing.
-
-**Incorrect (processes all items even after finding answer):**
-
-```typescript
-function validateUsers(users: User[]) {
-  let hasError = false
-  let errorMessage = ''
-  
-  for (const user of users) {
-    if (!user.email) {
-      hasError = true
-      errorMessage = 'Email required'
-    }
-    if (!user.name) {
-      hasError = true
-      errorMessage = 'Name required'
-    }
-    // Continues checking all users even after error found
-  }
-  
-  return hasError ? { valid: false, error: errorMessage } : { valid: true }
-}
-```
-
-**Correct (returns immediately on first error):**
-
-```typescript
-function validateUsers(users: User[]) {
-  for (const user of users) {
-    if (!user.email) {
-      return { valid: false, error: 'Email required' }
-    }
-    if (!user.name) {
-      return { valid: false, error: 'Name required' }
-    }
-  }
-
-  return { valid: true }
-}
-```

.agents/skills/vercel-react-best-practices/rules/js-hoist-regexp.md

@@ -1,45 +0,0 @@
----
-title: Hoist RegExp Creation
-impact: LOW-MEDIUM
-impactDescription: avoids recreation
-tags: javascript, regexp, optimization, memoization
----
-
-## Hoist RegExp Creation
-
-Don't create RegExp inside render. Hoist to module scope or memoize with `useMemo()`.
-
-**Incorrect (new RegExp every render):**
-
-```tsx
-function Highlighter({ text, query }: Props) {
-  const regex = new RegExp(`(${query})`, 'gi')
-  const parts = text.split(regex)
-  return <>{parts.map((part, i) => ...)}</>
-}
-```
-
-**Correct (memoize or hoist):**
-
-```tsx
-const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
-
-function Highlighter({ text, query }: Props) {
-  const regex = useMemo(
-    () => new RegExp(`(${escapeRegex(query)})`, 'gi'),
-    [query]
-  )
-  const parts = text.split(regex)
-  return <>{parts.map((part, i) => ...)}</>
-}
-```
-
-**Warning (global regex has mutable state):**
-
-Global regex (`/g`) has mutable `lastIndex` state:
-
-```typescript
-const regex = /foo/g
-regex.test('foo')  // true, lastIndex = 3
-regex.test('foo')  // false, lastIndex = 0
-```

.agents/skills/vercel-react-best-practices/rules/js-index-maps.md

@@ -1,37 +0,0 @@
----
-title: Build Index Maps for Repeated Lookups
-impact: LOW-MEDIUM
-impactDescription: 1M ops to 2K ops
-tags: javascript, map, indexing, optimization, performance
----
-
-## Build Index Maps for Repeated Lookups
-
-Multiple `.find()` calls by the same key should use a Map.
-
-**Incorrect (O(n) per lookup):**
-
-```typescript
-function processOrders(orders: Order[], users: User[]) {
-  return orders.map(order => ({
-    ...order,
-    user: users.find(u => u.id === order.userId)
-  }))
-}
-```
-
-**Correct (O(1) per lookup):**
-
-```typescript
-function processOrders(orders: Order[], users: User[]) {
-  const userById = new Map(users.map(u => [u.id, u]))
-
-  return orders.map(order => ({
-    ...order,
-    user: userById.get(order.userId)
-  }))
-}
-```
-
-Build map once (O(n)), then all lookups are O(1).
-For 1000 orders × 1000 users: 1M ops → 2K ops.

.agents/skills/vercel-react-best-practices/rules/js-length-check-first.md

@@ -1,49 +0,0 @@
----
-title: Early Length Check for Array Comparisons
-impact: MEDIUM-HIGH
-impactDescription: avoids expensive operations when lengths differ
-tags: javascript, arrays, performance, optimization, comparison
----
-
-## Early Length Check for Array Comparisons
-
-When comparing arrays with expensive operations (sorting, deep equality, serialization), check lengths first. If lengths differ, the arrays cannot be equal.
-
-In real-world applications, this optimization is especially valuable when the comparison runs in hot paths (event handlers, render loops).
-
-**Incorrect (always runs expensive comparison):**
-
-```typescript
-function hasChanges(current: string[], original: string[]) {
-  // Always sorts and joins, even when lengths differ
-  return current.sort().join() !== original.sort().join()
-}
-```
-
-Two O(n log n) sorts run even when `current.length` is 5 and `original.length` is 100. There is also overhead of joining the arrays and comparing the strings.
-
-**Correct (O(1) length check first):**
-
-```typescript
-function hasChanges(current: string[], original: string[]) {
-  // Early return if lengths differ
-  if (current.length !== original.length) {
-    return true
-  }
-  // Only sort when lengths match
-  const currentSorted = current.toSorted()
-  const originalSorted = original.toSorted()
-  for (let i = 0; i < currentSorted.length; i++) {
-    if (currentSorted[i] !== originalSorted[i]) {
-      return true
-    }
-  }
-  return false
-}
-```
-
-This new approach is more efficient because:
-- It avoids the overhead of sorting and joining the arrays when lengths differ
-- It avoids consuming memory for the joined strings (especially important for large arrays)
-- It avoids mutating the original arrays
-- It returns early when a difference is found

.agents/skills/vercel-react-best-practices/rules/js-min-max-loop.md

@@ -1,82 +0,0 @@
----
-title: Use Loop for Min/Max Instead of Sort
-impact: LOW
-impactDescription: O(n) instead of O(n log n)
-tags: javascript, arrays, performance, sorting, algorithms
----
-
-## Use Loop for Min/Max Instead of Sort
-
-Finding the smallest or largest element only requires a single pass through the array. Sorting is wasteful and slower.
-
-**Incorrect (O(n log n) - sort to find latest):**
-
-```typescript
-interface Project {
-  id: string
-  name: string
-  updatedAt: number
-}
-
-function getLatestProject(projects: Project[]) {
-  const sorted = [...projects].sort((a, b) => b.updatedAt - a.updatedAt)
-  return sorted[0]
-}
-```
-
-Sorts the entire array just to find the maximum value.
-
-**Incorrect (O(n log n) - sort for oldest and newest):**
-
-```typescript
-function getOldestAndNewest(projects: Project[]) {
-  const sorted = [...projects].sort((a, b) => a.updatedAt - b.updatedAt)
-  return { oldest: sorted[0], newest: sorted[sorted.length - 1] }
-}
-```
-
-Still sorts unnecessarily when only min/max are needed.
-
-**Correct (O(n) - single loop):**
-
-```typescript
-function getLatestProject(projects: Project[]) {
-  if (projects.length === 0) return null
-  
-  let latest = projects[0]
-  
-  for (let i = 1; i < projects.length; i++) {
-    if (projects[i].updatedAt > latest.updatedAt) {
-      latest = projects[i]
-    }
-  }
-  
-  return latest
-}
-
-function getOldestAndNewest(projects: Project[]) {
-  if (projects.length === 0) return { oldest: null, newest: null }
-  
-  let oldest = projects[0]
-  let newest = projects[0]
-  
-  for (let i = 1; i < projects.length; i++) {
-    if (projects[i].updatedAt < oldest.updatedAt) oldest = projects[i]
-    if (projects[i].updatedAt > newest.updatedAt) newest = projects[i]
-  }
-  
-  return { oldest, newest }
-}
-```
-
-Single pass through the array, no copying, no sorting.
-
-**Alternative (Math.min/Math.max for small arrays):**
-
-```typescript
-const numbers = [5, 2, 8, 1, 9]
-const min = Math.min(...numbers)
-const max = Math.max(...numbers)
-```
-
-This works for small arrays, but can be slower or just throw an error for very large arrays due to spread operator limitations. Maximal array length is approximately 124000 in Chrome 143 and 638000 in Safari 18; exact numbers may vary - see [the fiddle](https://jsfiddle.net/qw1jabsx/4/). Use the loop approach for reliability.

.agents/skills/vercel-react-best-practices/rules/js-set-map-lookups.md

@@ -1,24 +0,0 @@
----
-title: Use Set/Map for O(1) Lookups
-impact: LOW-MEDIUM
-impactDescription: O(n) to O(1)
-tags: javascript, set, map, data-structures, performance
----
-
-## Use Set/Map for O(1) Lookups
-
-Convert arrays to Set/Map for repeated membership checks.
-
-**Incorrect (O(n) per check):**
-
-```typescript
-const allowedIds = ['a', 'b', 'c', ...]
-items.filter(item => allowedIds.includes(item.id))
-```
-
-**Correct (O(1) per check):**
-
-```typescript
-const allowedIds = new Set(['a', 'b', 'c', ...])
-items.filter(item => allowedIds.has(item.id))
-```

.agents/skills/vercel-react-best-practices/rules/js-tosorted-immutable.md

@@ -1,57 +0,0 @@
----
-title: Use toSorted() Instead of sort() for Immutability
-impact: MEDIUM-HIGH
-impactDescription: prevents mutation bugs in React state
-tags: javascript, arrays, immutability, react, state, mutation
----
-
-## Use toSorted() Instead of sort() for Immutability
-
-`.sort()` mutates the array in place, which can cause bugs with React state and props. Use `.toSorted()` to create a new sorted array without mutation.
-
-**Incorrect (mutates original array):**
-
-```typescript
-function UserList({ users }: { users: User[] }) {
-  // Mutates the users prop array!
-  const sorted = useMemo(
-    () => users.sort((a, b) => a.name.localeCompare(b.name)),
-    [users]
-  )
-  return <div>{sorted.map(renderUser)}</div>
-}
-```
-
-**Correct (creates new array):**
-
-```typescript
-function UserList({ users }: { users: User[] }) {
-  // Creates new sorted array, original unchanged
-  const sorted = useMemo(
-    () => users.toSorted((a, b) => a.name.localeCompare(b.name)),
-    [users]
-  )
-  return <div>{sorted.map(renderUser)}</div>
-}
-```
-
-**Why this matters in React:**
-
-1. Props/state mutations break React's immutability model - React expects props and state to be treated as read-only
-2. Causes stale closure bugs - Mutating arrays inside closures (callbacks, effects) can lead to unexpected behavior
-
-**Browser support (fallback for older browsers):**
-
-`.toSorted()` is available in all modern browsers (Chrome 110+, Safari 16+, Firefox 115+, Node.js 20+). For older environments, use spread operator:
-
-```typescript
-// Fallback for older browsers
-const sorted = [...items].sort((a, b) => a.value - b.value)
-```
-
-**Other immutable array methods:**
-
-- `.toSorted()` - immutable sort
-- `.toReversed()` - immutable reverse
-- `.toSpliced()` - immutable splice
-- `.with()` - immutable element replacement

.agents/skills/vercel-react-best-practices/rules/rendering-activity.md

@@ -1,26 +0,0 @@
----
-title: Use Activity Component for Show/Hide
-impact: MEDIUM
-impactDescription: preserves state/DOM
-tags: rendering, activity, visibility, state-preservation
----
-
-## Use Activity Component for Show/Hide
-
-Use React's `<Activity>` to preserve state/DOM for expensive components that frequently toggle visibility.
-
-**Usage:**
-
-```tsx
-import { Activity } from 'react'
-
-function Dropdown({ isOpen }: Props) {
-  return (
-    <Activity mode={isOpen ? 'visible' : 'hidden'}>
-      <ExpensiveMenu />
-    </Activity>
-  )
-}
-```
-
-Avoids expensive re-renders and state loss.

.agents/skills/vercel-react-best-practices/rules/rendering-animate-svg-wrapper.md

@@ -1,47 +0,0 @@
----
-title: Animate SVG Wrapper Instead of SVG Element
-impact: LOW
-impactDescription: enables hardware acceleration
-tags: rendering, svg, css, animation, performance
----
-
-## Animate SVG Wrapper Instead of SVG Element
-
-Many browsers don't have hardware acceleration for CSS3 animations on SVG elements. Wrap SVG in a `<div>` and animate the wrapper instead.
-
-**Incorrect (animating SVG directly - no hardware acceleration):**
-
-```tsx
-function LoadingSpinner() {
-  return (
-    <svg 
-      className="animate-spin"
-      width="24" 
-      height="24" 
-      viewBox="0 0 24 24"
-    >
-      <circle cx="12" cy="12" r="10" stroke="currentColor" />
-    </svg>
-  )
-}
-```
-
-**Correct (animating wrapper div - hardware accelerated):**
-
-```tsx
-function LoadingSpinner() {
-  return (
-    <div className="animate-spin">
-      <svg 
-        width="24" 
-        height="24" 
-        viewBox="0 0 24 24"
-      >
-        <circle cx="12" cy="12" r="10" stroke="currentColor" />
-      </svg>
-    </div>
-  )
-}
-```
-
-This applies to all CSS transforms and transitions (`transform`, `opacity`, `translate`, `scale`, `rotate`). The wrapper div allows browsers to use GPU acceleration for smoother animations.

.agents/skills/vercel-react-best-practices/rules/rendering-conditional-render.md

@@ -1,40 +0,0 @@
----
-title: Use Explicit Conditional Rendering
-impact: LOW
-impactDescription: prevents rendering 0 or NaN
-tags: rendering, conditional, jsx, falsy-values
----
-
-## Use Explicit Conditional Rendering
-
-Use explicit ternary operators (`? :`) instead of `&&` for conditional rendering when the condition can be `0`, `NaN`, or other falsy values that render.
-
-**Incorrect (renders "0" when count is 0):**
-
-```tsx
-function Badge({ count }: { count: number }) {
-  return (
-    <div>
-      {count && <span className="badge">{count}</span>}
-    </div>
-  )
-}
-
-// When count = 0, renders: <div>0</div>
-// When count = 5, renders: <div><span class="badge">5</span></div>
-```
-
-**Correct (renders nothing when count is 0):**
-
-```tsx
-function Badge({ count }: { count: number }) {
-  return (
-    <div>
-      {count > 0 ? <span className="badge">{count}</span> : null}
-    </div>
-  )
-}
-
-// When count = 0, renders: <div></div>
-// When count = 5, renders: <div><span class="badge">5</span></div>
-```

.agents/skills/vercel-react-best-practices/rules/rendering-content-visibility.md

@@ -1,38 +0,0 @@
----
-title: CSS content-visibility for Long Lists
-impact: HIGH
-impactDescription: faster initial render
-tags: rendering, css, content-visibility, long-lists
----
-
-## CSS content-visibility for Long Lists
-
-Apply `content-visibility: auto` to defer off-screen rendering.
-
-**CSS:**
-
-```css
-.message-item {
-  content-visibility: auto;
-  contain-intrinsic-size: 0 80px;
-}
-```
-
-**Example:**
-
-```tsx
-function MessageList({ messages }: { messages: Message[] }) {
-  return (
-    <div className="overflow-y-auto h-screen">
-      {messages.map(msg => (
-        <div key={msg.id} className="message-item">
-          <Avatar user={msg.author} />
-          <div>{msg.content}</div>
-        </div>
-      ))}
-    </div>
-  )
-}
-```
-
-For 1000 messages, browser skips layout/paint for ~990 off-screen items (10× faster initial render).

.agents/skills/vercel-react-best-practices/rules/rendering-hoist-jsx.md

@@ -1,46 +0,0 @@
----
-title: Hoist Static JSX Elements
-impact: LOW
-impactDescription: avoids re-creation
-tags: rendering, jsx, static, optimization
----
-
-## Hoist Static JSX Elements
-
-Extract static JSX outside components to avoid re-creation.
-
-**Incorrect (recreates element every render):**
-
-```tsx
-function LoadingSkeleton() {
-  return <div className="animate-pulse h-20 bg-gray-200" />
-}
-
-function Container() {
-  return (
-    <div>
-      {loading && <LoadingSkeleton />}
-    </div>
-  )
-}
-```
-
-**Correct (reuses same element):**
-
-```tsx
-const loadingSkeleton = (
-  <div className="animate-pulse h-20 bg-gray-200" />
-)
-
-function Container() {
-  return (
-    <div>
-      {loading && loadingSkeleton}
-    </div>
-  )
-}
-```
-
-This is especially helpful for large and static SVG nodes, which can be expensive to recreate on every render.
-
-**Note:** If your project has [React Compiler](https://react.dev/learn/react-compiler) enabled, the compiler automatically hoists static JSX elements and optimizes component re-renders, making manual hoisting unnecessary.

.agents/skills/vercel-react-best-practices/rules/rendering-hydration-no-flicker.md

@@ -1,82 +0,0 @@
----
-title: Prevent Hydration Mismatch Without Flickering
-impact: MEDIUM
-impactDescription: avoids visual flicker and hydration errors
-tags: rendering, ssr, hydration, localStorage, flicker
----
-
-## Prevent Hydration Mismatch Without Flickering
-
-When rendering content that depends on client-side storage (localStorage, cookies), avoid both SSR breakage and post-hydration flickering by injecting a synchronous script that updates the DOM before React hydrates.
-
-**Incorrect (breaks SSR):**
-
-```tsx
-function ThemeWrapper({ children }: { children: ReactNode }) {
-  // localStorage is not available on server - throws error
-  const theme = localStorage.getItem('theme') || 'light'
-  
-  return (
-    <div className={theme}>
-      {children}
-    </div>
-  )
-}
-```
-
-Server-side rendering will fail because `localStorage` is undefined.
-
-**Incorrect (visual flickering):**
-
-```tsx
-function ThemeWrapper({ children }: { children: ReactNode }) {
-  const [theme, setTheme] = useState('light')
-  
-  useEffect(() => {
-    // Runs after hydration - causes visible flash
-    const stored = localStorage.getItem('theme')
-    if (stored) {
-      setTheme(stored)
-    }
-  }, [])
-  
-  return (
-    <div className={theme}>
-      {children}
-    </div>
-  )
-}
-```
-
-Component first renders with default value (`light`), then updates after hydration, causing a visible flash of incorrect content.
-
-**Correct (no flicker, no hydration mismatch):**
-
-```tsx
-function ThemeWrapper({ children }: { children: ReactNode }) {
-  return (
-    <>
-      <div id="theme-wrapper">
-        {children}
-      </div>
-      <script
-        dangerouslySetInnerHTML={{
-          __html: `
-            (function() {
-              try {
-                var theme = localStorage.getItem('theme') || 'light';
-                var el = document.getElementById('theme-wrapper');
-                if (el) el.className = theme;
-              } catch (e) {}
-            })();
-          `,
-        }}
-      />
-    </>
-  )
-}
-```
-
-The inline script executes synchronously before showing the element, ensuring the DOM already has the correct value. No flickering, no hydration mismatch.
-
-This pattern is especially useful for theme toggles, user preferences, authentication states, and any client-only data that should render immediately without flashing default values.

.agents/skills/vercel-react-best-practices/rules/rendering-hydration-suppress-warning.md

@@ -1,30 +0,0 @@
----
-title: Suppress Expected Hydration Mismatches
-impact: LOW-MEDIUM
-impactDescription: avoids noisy hydration warnings for known differences
-tags: rendering, hydration, ssr, nextjs
----
-
-## Suppress Expected Hydration Mismatches
-
-In SSR frameworks (e.g., Next.js), some values are intentionally different on server vs client (random IDs, dates, locale/timezone formatting). For these *expected* mismatches, wrap the dynamic text in an element with `suppressHydrationWarning` to prevent noisy warnings. Do not use this to hide real bugs. Don’t overuse it.
-
-**Incorrect (known mismatch warnings):**
-
-```tsx
-function Timestamp() {
-  return <span>{new Date().toLocaleString()}</span>
-}
-```
-
-**Correct (suppress expected mismatch only):**
-
-```tsx
-function Timestamp() {
-  return (
-    <span suppressHydrationWarning>
-      {new Date().toLocaleString()}
-    </span>
-  )
-}
-```

.agents/skills/vercel-react-best-practices/rules/rendering-svg-precision.md

@@ -1,28 +0,0 @@
----
-title: Optimize SVG Precision
-impact: LOW
-impactDescription: reduces file size
-tags: rendering, svg, optimization, svgo
----
-
-## Optimize SVG Precision
-
-Reduce SVG coordinate precision to decrease file size. The optimal precision depends on the viewBox size, but in general reducing precision should be considered.
-
-**Incorrect (excessive precision):**
-
-```svg
-<path d="M 10.293847 20.847362 L 30.938472 40.192837" />
-```
-
-**Correct (1 decimal place):**
-
-```svg
-<path d="M 10.3 20.8 L 30.9 40.2" />
-```
-
-**Automate with SVGO:**
-
-```bash
-npx svgo --precision=1 --multipass icon.svg
-```

.agents/skills/vercel-react-best-practices/rules/rendering-usetransition-loading.md

@@ -1,75 +0,0 @@
----
-title: Use useTransition Over Manual Loading States
-impact: LOW
-impactDescription: reduces re-renders and improves code clarity
-tags: rendering, transitions, useTransition, loading, state
----
-
-## Use useTransition Over Manual Loading States
-
-Use `useTransition` instead of manual `useState` for loading states. This provides built-in `isPending` state and automatically manages transitions.
-
-**Incorrect (manual loading state):**
-
-```tsx
-function SearchResults() {
-  const [query, setQuery] = useState('')
-  const [results, setResults] = useState([])
-  const [isLoading, setIsLoading] = useState(false)
-
-  const handleSearch = async (value: string) => {
-    setIsLoading(true)
-    setQuery(value)
-    const data = await fetchResults(value)
-    setResults(data)
-    setIsLoading(false)
-  }
-
-  return (
-    <>
-      <input onChange={(e) => handleSearch(e.target.value)} />
-      {isLoading && <Spinner />}
-      <ResultsList results={results} />
-    </>
-  )
-}
-```
-
-**Correct (useTransition with built-in pending state):**
-
-```tsx
-import { useTransition, useState } from 'react'
-
-function SearchResults() {
-  const [query, setQuery] = useState('')
-  const [results, setResults] = useState([])
-  const [isPending, startTransition] = useTransition()
-
-  const handleSearch = (value: string) => {
-    setQuery(value) // Update input immediately
-    
-    startTransition(async () => {
-      // Fetch and update results
-      const data = await fetchResults(value)
-      setResults(data)
-    })
-  }
-
-  return (
-    <>
-      <input onChange={(e) => handleSearch(e.target.value)} />
-      {isPending && <Spinner />}
-      <ResultsList results={results} />
-    </>
-  )
-}
-```
-
-**Benefits:**
-
-- **Automatic pending state**: No need to manually manage `setIsLoading(true/false)`
-- **Error resilience**: Pending state correctly resets even if the transition throws
-- **Better responsiveness**: Keeps the UI responsive during updates
-- **Interrupt handling**: New transitions automatically cancel pending ones
-
-Reference: [useTransition](https://react.dev/reference/react/useTransition)

.agents/skills/vercel-react-best-practices/rules/rerender-defer-reads.md

@@ -1,39 +0,0 @@
----
-title: Defer State Reads to Usage Point
-impact: MEDIUM
-impactDescription: avoids unnecessary subscriptions
-tags: rerender, searchParams, localStorage, optimization
----
-
-## Defer State Reads to Usage Point
-
-Don't subscribe to dynamic state (searchParams, localStorage) if you only read it inside callbacks.
-
-**Incorrect (subscribes to all searchParams changes):**
-
-```tsx
-function ShareButton({ chatId }: { chatId: string }) {
-  const searchParams = useSearchParams()
-
-  const handleShare = () => {
-    const ref = searchParams.get('ref')
-    shareChat(chatId, { ref })
-  }
-
-  return <button onClick={handleShare}>Share</button>
-}
-```
-
-**Correct (reads on demand, no subscription):**
-
-```tsx
-function ShareButton({ chatId }: { chatId: string }) {
-  const handleShare = () => {
-    const params = new URLSearchParams(window.location.search)
-    const ref = params.get('ref')
-    shareChat(chatId, { ref })
-  }
-
-  return <button onClick={handleShare}>Share</button>
-}
-```

.agents/skills/vercel-react-best-practices/rules/rerender-dependencies.md

@@ -1,45 +0,0 @@
----
-title: Narrow Effect Dependencies
-impact: LOW
-impactDescription: minimizes effect re-runs
-tags: rerender, useEffect, dependencies, optimization
----
-
-## Narrow Effect Dependencies
-
-Specify primitive dependencies instead of objects to minimize effect re-runs.
-
-**Incorrect (re-runs on any user field change):**
-
-```tsx
-useEffect(() => {
-  console.log(user.id)
-}, [user])
-```
-
-**Correct (re-runs only when id changes):**
-
-```tsx
-useEffect(() => {
-  console.log(user.id)
-}, [user.id])
-```
-
-**For derived state, compute outside effect:**
-
-```tsx
-// Incorrect: runs on width=767, 766, 765...
-useEffect(() => {
-  if (width < 768) {
-    enableMobileMode()
-  }
-}, [width])
-
-// Correct: runs only on boolean transition
-const isMobile = width < 768
-useEffect(() => {
-  if (isMobile) {
-    enableMobileMode()
-  }
-}, [isMobile])
-```

.agents/skills/vercel-react-best-practices/rules/rerender-derived-state-no-effect.md

@@ -1,40 +0,0 @@
----
-title: Calculate Derived State During Rendering
-impact: MEDIUM
-impactDescription: avoids redundant renders and state drift
-tags: rerender, derived-state, useEffect, state
----
-
-## Calculate Derived State During Rendering
-
-If a value can be computed from current props/state, do not store it in state or update it in an effect. Derive it during render to avoid extra renders and state drift. Do not set state in effects solely in response to prop changes; prefer derived values or keyed resets instead.
-
-**Incorrect (redundant state and effect):**
-
-```tsx
-function Form() {
-  const [firstName, setFirstName] = useState('First')
-  const [lastName, setLastName] = useState('Last')
-  const [fullName, setFullName] = useState('')
-
-  useEffect(() => {
-    setFullName(firstName + ' ' + lastName)
-  }, [firstName, lastName])
-
-  return <p>{fullName}</p>
-}
-```
-
-**Correct (derive during render):**
-
-```tsx
-function Form() {
-  const [firstName, setFirstName] = useState('First')
-  const [lastName, setLastName] = useState('Last')
-  const fullName = firstName + ' ' + lastName
-
-  return <p>{fullName}</p>
-}
-```
-
-References: [You Might Not Need an Effect](https://react.dev/learn/you-might-not-need-an-effect)

.agents/skills/vercel-react-best-practices/rules/rerender-derived-state.md

@@ -1,29 +0,0 @@
----
-title: Subscribe to Derived State
-impact: MEDIUM
-impactDescription: reduces re-render frequency
-tags: rerender, derived-state, media-query, optimization
----
-
-## Subscribe to Derived State
-
-Subscribe to derived boolean state instead of continuous values to reduce re-render frequency.
-
-**Incorrect (re-renders on every pixel change):**
-
-```tsx
-function Sidebar() {
-  const width = useWindowWidth()  // updates continuously
-  const isMobile = width < 768
-  return <nav className={isMobile ? 'mobile' : 'desktop'} />
-}
-```
-
-**Correct (re-renders only when boolean changes):**
-
-```tsx
-function Sidebar() {
-  const isMobile = useMediaQuery('(max-width: 767px)')
-  return <nav className={isMobile ? 'mobile' : 'desktop'} />
-}
-```

.agents/skills/vercel-react-best-practices/rules/rerender-functional-setstate.md

@@ -1,74 +0,0 @@
----
-title: Use Functional setState Updates
-impact: MEDIUM
-impactDescription: prevents stale closures and unnecessary callback recreations
-tags: react, hooks, useState, useCallback, callbacks, closures
----
-
-## Use Functional setState Updates
-
-When updating state based on the current state value, use the functional update form of setState instead of directly referencing the state variable. This prevents stale closures, eliminates unnecessary dependencies, and creates stable callback references.
-
-**Incorrect (requires state as dependency):**
-
-```tsx
-function TodoList() {
-  const [items, setItems] = useState(initialItems)
-  
-  // Callback must depend on items, recreated on every items change
-  const addItems = useCallback((newItems: Item[]) => {
-    setItems([...items, ...newItems])
-  }, [items])  // ❌ items dependency causes recreations
-  
-  // Risk of stale closure if dependency is forgotten
-  const removeItem = useCallback((id: string) => {
-    setItems(items.filter(item => item.id !== id))
-  }, [])  // ❌ Missing items dependency - will use stale items!
-  
-  return <ItemsEditor items={items} onAdd={addItems} onRemove={removeItem} />
-}
-```
-
-The first callback is recreated every time `items` changes, which can cause child components to re-render unnecessarily. The second callback has a stale closure bug—it will always reference the initial `items` value.
-
-**Correct (stable callbacks, no stale closures):**
-
-```tsx
-function TodoList() {
-  const [items, setItems] = useState(initialItems)
-  
-  // Stable callback, never recreated
-  const addItems = useCallback((newItems: Item[]) => {
-    setItems(curr => [...curr, ...newItems])
-  }, [])  // ✅ No dependencies needed
-  
-  // Always uses latest state, no stale closure risk
-  const removeItem = useCallback((id: string) => {
-    setItems(curr => curr.filter(item => item.id !== id))
-  }, [])  // ✅ Safe and stable
-  
-  return <ItemsEditor items={items} onAdd={addItems} onRemove={removeItem} />
-}
-```
-
-**Benefits:**
-
-1. **Stable callback references** - Callbacks don't need to be recreated when state changes
-2. **No stale closures** - Always operates on the latest state value
-3. **Fewer dependencies** - Simplifies dependency arrays and reduces memory leaks
-4. **Prevents bugs** - Eliminates the most common source of React closure bugs
-
-**When to use functional updates:**
-
-- Any setState that depends on the current state value
-- Inside useCallback/useMemo when state is needed
-- Event handlers that reference state
-- Async operations that update state
-
-**When direct updates are fine:**
-
-- Setting state to a static value: `setCount(0)`
-- Setting state from props/arguments only: `setName(newName)`
-- State doesn't depend on previous value
-
-**Note:** If your project has [React Compiler](https://react.dev/learn/react-compiler) enabled, the compiler can automatically optimize some cases, but functional updates are still recommended for correctness and to prevent stale closure bugs.

.agents/skills/vercel-react-best-practices/rules/rerender-lazy-state-init.md

@@ -1,58 +0,0 @@
----
-title: Use Lazy State Initialization
-impact: MEDIUM
-impactDescription: wasted computation on every render
-tags: react, hooks, useState, performance, initialization
----
-
-## Use Lazy State Initialization
-
-Pass a function to `useState` for expensive initial values. Without the function form, the initializer runs on every render even though the value is only used once.
-
-**Incorrect (runs on every render):**
-
-```tsx
-function FilteredList({ items }: { items: Item[] }) {
-  // buildSearchIndex() runs on EVERY render, even after initialization
-  const [searchIndex, setSearchIndex] = useState(buildSearchIndex(items))
-  const [query, setQuery] = useState('')
-  
-  // When query changes, buildSearchIndex runs again unnecessarily
-  return <SearchResults index={searchIndex} query={query} />
-}
-
-function UserProfile() {
-  // JSON.parse runs on every render
-  const [settings, setSettings] = useState(
-    JSON.parse(localStorage.getItem('settings') || '{}')
-  )
-  
-  return <SettingsForm settings={settings} onChange={setSettings} />
-}
-```
-
-**Correct (runs only once):**
-
-```tsx
-function FilteredList({ items }: { items: Item[] }) {
-  // buildSearchIndex() runs ONLY on initial render
-  const [searchIndex, setSearchIndex] = useState(() => buildSearchIndex(items))
-  const [query, setQuery] = useState('')
-  
-  return <SearchResults index={searchIndex} query={query} />
-}
-
-function UserProfile() {
-  // JSON.parse runs only on initial render
-  const [settings, setSettings] = useState(() => {
-    const stored = localStorage.getItem('settings')
-    return stored ? JSON.parse(stored) : {}
-  })
-  
-  return <SettingsForm settings={settings} onChange={setSettings} />
-}
-```
-
-Use lazy initialization when computing initial values from localStorage/sessionStorage, building data structures (indexes, maps), reading from the DOM, or performing heavy transformations.
-
-For simple primitives (`useState(0)`), direct references (`useState(props.value)`), or cheap literals (`useState({})`), the function form is unnecessary.

.agents/skills/vercel-react-best-practices/rules/rerender-memo-with-default-value.md

@@ -1,38 +0,0 @@
----
-
-title: Extract Default Non-primitive Parameter Value from Memoized Component to Constant
-impact: MEDIUM
-impactDescription: restores memoization by using a constant for default value
-tags: rerender, memo, optimization
-
----
-
-## Extract Default Non-primitive Parameter Value from Memoized Component to Constant
-
-When memoized component has a default value for some non-primitive optional parameter, such as an array, function, or object, calling the component without that parameter results in broken memoization. This is because new value instances are created on every rerender, and they do not pass strict equality comparison in `memo()`.
-
-To address this issue, extract the default value into a constant.
-
-**Incorrect (`onClick` has different values on every rerender):**
-
-```tsx
-const UserAvatar = memo(function UserAvatar({ onClick = () => {} }: { onClick?: () => void }) {
-  // ...
-})
-
-// Used without optional onClick
-<UserAvatar />
-```
-
-**Correct (stable default value):**
-
-```tsx
-const NOOP = () => {};
-
-const UserAvatar = memo(function UserAvatar({ onClick = NOOP }: { onClick?: () => void }) {
-  // ...
-})
-
-// Used without optional onClick
-<UserAvatar />
-```

.agents/skills/vercel-react-best-practices/rules/rerender-memo.md

@@ -1,44 +0,0 @@
----
-title: Extract to Memoized Components
-impact: MEDIUM
-impactDescription: enables early returns
-tags: rerender, memo, useMemo, optimization
----
-
-## Extract to Memoized Components
-
-Extract expensive work into memoized components to enable early returns before computation.
-
-**Incorrect (computes avatar even when loading):**
-
-```tsx
-function Profile({ user, loading }: Props) {
-  const avatar = useMemo(() => {
-    const id = computeAvatarId(user)
-    return <Avatar id={id} />
-  }, [user])
-
-  if (loading) return <Skeleton />
-  return <div>{avatar}</div>
-}
-```
-
-**Correct (skips computation when loading):**
-
-```tsx
-const UserAvatar = memo(function UserAvatar({ user }: { user: User }) {
-  const id = useMemo(() => computeAvatarId(user), [user])
-  return <Avatar id={id} />
-})
-
-function Profile({ user, loading }: Props) {
-  if (loading) return <Skeleton />
-  return (
-    <div>
-      <UserAvatar user={user} />
-    </div>
-  )
-}
-```
-
-**Note:** If your project has [React Compiler](https://react.dev/learn/react-compiler) enabled, manual memoization with `memo()` and `useMemo()` is not necessary. The compiler automatically optimizes re-renders.

.agents/skills/vercel-react-best-practices/rules/rerender-move-effect-to-event.md

@@ -1,45 +0,0 @@
----
-title: Put Interaction Logic in Event Handlers
-impact: MEDIUM
-impactDescription: avoids effect re-runs and duplicate side effects
-tags: rerender, useEffect, events, side-effects, dependencies
----
-
-## Put Interaction Logic in Event Handlers
-
-If a side effect is triggered by a specific user action (submit, click, drag), run it in that event handler. Do not model the action as state + effect; it makes effects re-run on unrelated changes and can duplicate the action.
-
-**Incorrect (event modeled as state + effect):**
-
-```tsx
-function Form() {
-  const [submitted, setSubmitted] = useState(false)
-  const theme = useContext(ThemeContext)
-
-  useEffect(() => {
-    if (submitted) {
-      post('/api/register')
-      showToast('Registered', theme)
-    }
-  }, [submitted, theme])
-
-  return <button onClick={() => setSubmitted(true)}>Submit</button>
-}
-```
-
-**Correct (do it in the handler):**
-
-```tsx
-function Form() {
-  const theme = useContext(ThemeContext)
-
-  function handleSubmit() {
-    post('/api/register')
-    showToast('Registered', theme)
-  }
-
-  return <button onClick={handleSubmit}>Submit</button>
-}
-```
-
-Reference: [Should this code move to an event handler?](https://react.dev/learn/removing-effect-dependencies#should-this-code-move-to-an-event-handler)

.agents/skills/vercel-react-best-practices/rules/rerender-simple-expression-in-memo.md

@@ -1,35 +0,0 @@
----
-title: Do not wrap a simple expression with a primitive result type in useMemo
-impact: LOW-MEDIUM
-impactDescription: wasted computation on every render
-tags: rerender, useMemo, optimization
----
-
-## Do not wrap a simple expression with a primitive result type in useMemo
-
-When an expression is simple (few logical or arithmetical operators) and has a primitive result type (boolean, number, string), do not wrap it in `useMemo`.
-Calling `useMemo` and comparing hook dependencies may consume more resources than the expression itself.
-
-**Incorrect:**
-
-```tsx
-function Header({ user, notifications }: Props) {
-  const isLoading = useMemo(() => {
-    return user.isLoading || notifications.isLoading
-  }, [user.isLoading, notifications.isLoading])
-
-  if (isLoading) return <Skeleton />
-  // return some markup
-}
-```
-
-**Correct:**
-
-```tsx
-function Header({ user, notifications }: Props) {
-  const isLoading = user.isLoading || notifications.isLoading
-
-  if (isLoading) return <Skeleton />
-  // return some markup
-}
-```

.agents/skills/vercel-react-best-practices/rules/rerender-transitions.md

@@ -1,40 +0,0 @@
----
-title: Use Transitions for Non-Urgent Updates
-impact: MEDIUM
-impactDescription: maintains UI responsiveness
-tags: rerender, transitions, startTransition, performance
----
-
-## Use Transitions for Non-Urgent Updates
-
-Mark frequent, non-urgent state updates as transitions to maintain UI responsiveness.
-
-**Incorrect (blocks UI on every scroll):**
-
-```tsx
-function ScrollTracker() {
-  const [scrollY, setScrollY] = useState(0)
-  useEffect(() => {
-    const handler = () => setScrollY(window.scrollY)
-    window.addEventListener('scroll', handler, { passive: true })
-    return () => window.removeEventListener('scroll', handler)
-  }, [])
-}
-```
-
-**Correct (non-blocking updates):**
-
-```tsx
-import { startTransition } from 'react'
-
-function ScrollTracker() {
-  const [scrollY, setScrollY] = useState(0)
-  useEffect(() => {
-    const handler = () => {
-      startTransition(() => setScrollY(window.scrollY))
-    }
-    window.addEventListener('scroll', handler, { passive: true })
-    return () => window.removeEventListener('scroll', handler)
-  }, [])
-}
-```

.agents/skills/vercel-react-best-practices/rules/rerender-use-ref-transient-values.md

@@ -1,73 +0,0 @@
----
-title: Use useRef for Transient Values
-impact: MEDIUM
-impactDescription: avoids unnecessary re-renders on frequent updates
-tags: rerender, useref, state, performance
----
-
-## Use useRef for Transient Values
-
-When a value changes frequently and you don't want a re-render on every update (e.g., mouse trackers, intervals, transient flags), store it in `useRef` instead of `useState`. Keep component state for UI; use refs for temporary DOM-adjacent values. Updating a ref does not trigger a re-render.
-
-**Incorrect (renders every update):**
-
-```tsx
-function Tracker() {
-  const [lastX, setLastX] = useState(0)
-
-  useEffect(() => {
-    const onMove = (e: MouseEvent) => setLastX(e.clientX)
-    window.addEventListener('mousemove', onMove)
-    return () => window.removeEventListener('mousemove', onMove)
-  }, [])
-
-  return (
-    <div
-      style={{
-        position: 'fixed',
-        top: 0,
-        left: lastX,
-        width: 8,
-        height: 8,
-        background: 'black',
-      }}
-    />
-  )
-}
-```
-
-**Correct (no re-render for tracking):**
-
-```tsx
-function Tracker() {
-  const lastXRef = useRef(0)
-  const dotRef = useRef<HTMLDivElement>(null)
-
-  useEffect(() => {
-    const onMove = (e: MouseEvent) => {
-      lastXRef.current = e.clientX
-      const node = dotRef.current
-      if (node) {
-        node.style.transform = `translateX(${e.clientX}px)`
-      }
-    }
-    window.addEventListener('mousemove', onMove)
-    return () => window.removeEventListener('mousemove', onMove)
-  }, [])
-
-  return (
-    <div
-      ref={dotRef}
-      style={{
-        position: 'fixed',
-        top: 0,
-        left: 0,
-        width: 8,
-        height: 8,
-        background: 'black',
-        transform: 'translateX(0px)',
-      }}
-    />
-  )
-}
-```

.agents/skills/vercel-react-best-practices/rules/server-after-nonblocking.md

@@ -1,73 +0,0 @@
----
-title: Use after() for Non-Blocking Operations
-impact: MEDIUM
-impactDescription: faster response times
-tags: server, async, logging, analytics, side-effects
----
-
-## Use after() for Non-Blocking Operations
-
-Use Next.js's `after()` to schedule work that should execute after a response is sent. This prevents logging, analytics, and other side effects from blocking the response.
-
-**Incorrect (blocks response):**
-
-```tsx
-import { logUserAction } from '@/app/utils'
-
-export async function POST(request: Request) {
-  // Perform mutation
-  await updateDatabase(request)
-  
-  // Logging blocks the response
-  const userAgent = request.headers.get('user-agent') || 'unknown'
-  await logUserAction({ userAgent })
-  
-  return new Response(JSON.stringify({ status: 'success' }), {
-    status: 200,
-    headers: { 'Content-Type': 'application/json' }
-  })
-}
-```
-
-**Correct (non-blocking):**
-
-```tsx
-import { after } from 'next/server'
-import { headers, cookies } from 'next/headers'
-import { logUserAction } from '@/app/utils'
-
-export async function POST(request: Request) {
-  // Perform mutation
-  await updateDatabase(request)
-  
-  // Log after response is sent
-  after(async () => {
-    const userAgent = (await headers()).get('user-agent') || 'unknown'
-    const sessionCookie = (await cookies()).get('session-id')?.value || 'anonymous'
-    
-    logUserAction({ sessionCookie, userAgent })
-  })
-  
-  return new Response(JSON.stringify({ status: 'success' }), {
-    status: 200,
-    headers: { 'Content-Type': 'application/json' }
-  })
-}
-```
-
-The response is sent immediately while logging happens in the background.
-
-**Common use cases:**
-
-- Analytics tracking
-- Audit logging
-- Sending notifications
-- Cache invalidation
-- Cleanup tasks
-
-**Important notes:**
-
-- `after()` runs even if the response fails or redirects
-- Works in Server Actions, Route Handlers, and Server Components
-
-Reference: [https://nextjs.org/docs/app/api-reference/functions/after](https://nextjs.org/docs/app/api-reference/functions/after)

.agents/skills/vercel-react-best-practices/rules/server-auth-actions.md

@@ -1,96 +0,0 @@
----
-title: Authenticate Server Actions Like API Routes
-impact: CRITICAL
-impactDescription: prevents unauthorized access to server mutations
-tags: server, server-actions, authentication, security, authorization
----
-
-## Authenticate Server Actions Like API Routes
-
-**Impact: CRITICAL (prevents unauthorized access to server mutations)**
-
-Server Actions (functions with `"use server"`) are exposed as public endpoints, just like API routes. Always verify authentication and authorization **inside** each Server Action—do not rely solely on middleware, layout guards, or page-level checks, as Server Actions can be invoked directly.
-
-Next.js documentation explicitly states: "Treat Server Actions with the same security considerations as public-facing API endpoints, and verify if the user is allowed to perform a mutation."
-
-**Incorrect (no authentication check):**
-
-```typescript
-'use server'
-
-export async function deleteUser(userId: string) {
-  // Anyone can call this! No auth check
-  await db.user.delete({ where: { id: userId } })
-  return { success: true }
-}
-```
-
-**Correct (authentication inside the action):**
-
-```typescript
-'use server'
-
-import { verifySession } from '@/lib/auth'
-import { unauthorized } from '@/lib/errors'
-
-export async function deleteUser(userId: string) {
-  // Always check auth inside the action
-  const session = await verifySession()
-  
-  if (!session) {
-    throw unauthorized('Must be logged in')
-  }
-  
-  // Check authorization too
-  if (session.user.role !== 'admin' && session.user.id !== userId) {
-    throw unauthorized('Cannot delete other users')
-  }
-  
-  await db.user.delete({ where: { id: userId } })
-  return { success: true }
-}
-```
-
-**With input validation:**
-
-```typescript
-'use server'
-
-import { verifySession } from '@/lib/auth'
-import { z } from 'zod'
-
-const updateProfileSchema = z.object({
-  userId: z.string().uuid(),
-  name: z.string().min(1).max(100),
-  email: z.string().email()
-})
-
-export async function updateProfile(data: unknown) {
-  // Validate input first
-  const validated = updateProfileSchema.parse(data)
-  
-  // Then authenticate
-  const session = await verifySession()
-  if (!session) {
-    throw new Error('Unauthorized')
-  }
-  
-  // Then authorize
-  if (session.user.id !== validated.userId) {
-    throw new Error('Can only update own profile')
-  }
-  
-  // Finally perform the mutation
-  await db.user.update({
-    where: { id: validated.userId },
-    data: {
-      name: validated.name,
-      email: validated.email
-    }
-  })
-  
-  return { success: true }
-}
-```
-
-Reference: [https://nextjs.org/docs/app/guides/authentication](https://nextjs.org/docs/app/guides/authentication)

.agents/skills/vercel-react-best-practices/rules/server-cache-lru.md

@@ -1,41 +0,0 @@
----
-title: Cross-Request LRU Caching
-impact: HIGH
-impactDescription: caches across requests
-tags: server, cache, lru, cross-request
----
-
-## Cross-Request LRU Caching
-
-`React.cache()` only works within one request. For data shared across sequential requests (user clicks button A then button B), use an LRU cache.
-
-**Implementation:**
-
-```typescript
-import { LRUCache } from 'lru-cache'
-
-const cache = new LRUCache<string, any>({
-  max: 1000,
-  ttl: 5 * 60 * 1000  // 5 minutes
-})
-
-export async function getUser(id: string) {
-  const cached = cache.get(id)
-  if (cached) return cached
-
-  const user = await db.user.findUnique({ where: { id } })
-  cache.set(id, user)
-  return user
-}
-
-// Request 1: DB query, result cached
-// Request 2: cache hit, no DB query
-```
-
-Use when sequential user actions hit multiple endpoints needing the same data within seconds.
-
-**With Vercel's [Fluid Compute](https://vercel.com/docs/fluid-compute):** LRU caching is especially effective because multiple concurrent requests can share the same function instance and cache. This means the cache persists across requests without needing external storage like Redis.
-
-**In traditional serverless:** Each invocation runs in isolation, so consider Redis for cross-process caching.
-
-Reference: [https://github.com/isaacs/node-lru-cache](https://github.com/isaacs/node-lru-cache)

.agents/skills/vercel-react-best-practices/rules/server-cache-react.md

@@ -1,76 +0,0 @@
----
-title: Per-Request Deduplication with React.cache()
-impact: MEDIUM
-impactDescription: deduplicates within request
-tags: server, cache, react-cache, deduplication
----
-
-## Per-Request Deduplication with React.cache()
-
-Use `React.cache()` for server-side request deduplication. Authentication and database queries benefit most.
-
-**Usage:**
-
-```typescript
-import { cache } from 'react'
-
-export const getCurrentUser = cache(async () => {
-  const session = await auth()
-  if (!session?.user?.id) return null
-  return await db.user.findUnique({
-    where: { id: session.user.id }
-  })
-})
-```
-
-Within a single request, multiple calls to `getCurrentUser()` execute the query only once.
-
-**Avoid inline objects as arguments:**
-
-`React.cache()` uses shallow equality (`Object.is`) to determine cache hits. Inline objects create new references each call, preventing cache hits.
-
-**Incorrect (always cache miss):**
-
-```typescript
-const getUser = cache(async (params: { uid: number }) => {
-  return await db.user.findUnique({ where: { id: params.uid } })
-})
-
-// Each call creates new object, never hits cache
-getUser({ uid: 1 })
-getUser({ uid: 1 })  // Cache miss, runs query again
-```
-
-**Correct (cache hit):**
-
-```typescript
-const getUser = cache(async (uid: number) => {
-  return await db.user.findUnique({ where: { id: uid } })
-})
-
-// Primitive args use value equality
-getUser(1)
-getUser(1)  // Cache hit, returns cached result
-```
-
-If you must pass objects, pass the same reference:
-
-```typescript
-const params = { uid: 1 }
-getUser(params)  // Query runs
-getUser(params)  // Cache hit (same reference)
-```
-
-**Next.js-Specific Note:**
-
-In Next.js, the `fetch` API is automatically extended with request memoization. Requests with the same URL and options are automatically deduplicated within a single request, so you don't need `React.cache()` for `fetch` calls. However, `React.cache()` is still essential for other async tasks:
-
-- Database queries (Prisma, Drizzle, etc.)
-- Heavy computations
-- Authentication checks
-- File system operations
-- Any non-fetch async work
-
-Use `React.cache()` to deduplicate these operations across your component tree.
-
-Reference: [React.cache documentation](https://react.dev/reference/react/cache)

.agents/skills/vercel-react-best-practices/rules/server-dedup-props.md

@@ -1,65 +0,0 @@
----
-title: Avoid Duplicate Serialization in RSC Props
-impact: LOW
-impactDescription: reduces network payload by avoiding duplicate serialization
-tags: server, rsc, serialization, props, client-components
----
-
-## Avoid Duplicate Serialization in RSC Props
-
-**Impact: LOW (reduces network payload by avoiding duplicate serialization)**
-
-RSC→client serialization deduplicates by object reference, not value. Same reference = serialized once; new reference = serialized again. Do transformations (`.toSorted()`, `.filter()`, `.map()`) in client, not server.
-
-**Incorrect (duplicates array):**
-
-```tsx
-// RSC: sends 6 strings (2 arrays × 3 items)
-<ClientList usernames={usernames} usernamesOrdered={usernames.toSorted()} />
-```
-
-**Correct (sends 3 strings):**
-
-```tsx
-// RSC: send once
-<ClientList usernames={usernames} />
-
-// Client: transform there
-'use client'
-const sorted = useMemo(() => [...usernames].sort(), [usernames])
-```
-
-**Nested deduplication behavior:**
-
-Deduplication works recursively. Impact varies by data type:
-
-- `string[]`, `number[]`, `boolean[]`: **HIGH impact** - array + all primitives fully duplicated
-- `object[]`: **LOW impact** - array duplicated, but nested objects deduplicated by reference
-
-```tsx
-// string[] - duplicates everything
-usernames={['a','b']} sorted={usernames.toSorted()} // sends 4 strings
-
-// object[] - duplicates array structure only
-users={[{id:1},{id:2}]} sorted={users.toSorted()} // sends 2 arrays + 2 unique objects (not 4)
-```
-
-**Operations breaking deduplication (create new references):**
-
-- Arrays: `.toSorted()`, `.filter()`, `.map()`, `.slice()`, `[...arr]`
-- Objects: `{...obj}`, `Object.assign()`, `structuredClone()`, `JSON.parse(JSON.stringify())`
-
-**More examples:**
-
-```tsx
-// ❌ Bad
-<C users={users} active={users.filter(u => u.active)} />
-<C product={product} productName={product.name} />
-
-// ✅ Good
-<C users={users} />
-<C product={product} />
-// Do filtering/destructuring in client
-```
-
-**Exception:** Pass derived data when transformation is expensive or client doesn't need original.

.agents/skills/vercel-react-best-practices/rules/server-parallel-fetching.md

@@ -1,83 +0,0 @@
----
-title: Parallel Data Fetching with Component Composition
-impact: CRITICAL
-impactDescription: eliminates server-side waterfalls
-tags: server, rsc, parallel-fetching, composition
----
-
-## Parallel Data Fetching with Component Composition
-
-React Server Components execute sequentially within a tree. Restructure with composition to parallelize data fetching.
-
-**Incorrect (Sidebar waits for Page's fetch to complete):**
-
-```tsx
-export default async function Page() {
-  const header = await fetchHeader()
-  return (
-    <div>
-      <div>{header}</div>
-      <Sidebar />
-    </div>
-  )
-}
-
-async function Sidebar() {
-  const items = await fetchSidebarItems()
-  return <nav>{items.map(renderItem)}</nav>
-}
-```
-
-**Correct (both fetch simultaneously):**
-
-```tsx
-async function Header() {
-  const data = await fetchHeader()
-  return <div>{data}</div>
-}
-
-async function Sidebar() {
-  const items = await fetchSidebarItems()
-  return <nav>{items.map(renderItem)}</nav>
-}
-
-export default function Page() {
-  return (
-    <div>
-      <Header />
-      <Sidebar />
-    </div>
-  )
-}
-```
-
-**Alternative with children prop:**
-
-```tsx
-async function Header() {
-  const data = await fetchHeader()
-  return <div>{data}</div>
-}
-
-async function Sidebar() {
-  const items = await fetchSidebarItems()
-  return <nav>{items.map(renderItem)}</nav>
-}
-
-function Layout({ children }: { children: ReactNode }) {
-  return (
-    <div>
-      <Header />
-      {children}
-    </div>
-  )
-}
-
-export default function Page() {
-  return (
-    <Layout>
-      <Sidebar />
-    </Layout>
-  )
-}
-```

.agents/skills/vercel-react-best-practices/rules/server-serialization.md

@@ -1,38 +0,0 @@
----
-title: Minimize Serialization at RSC Boundaries
-impact: HIGH
-impactDescription: reduces data transfer size
-tags: server, rsc, serialization, props
----
-
-## Minimize Serialization at RSC Boundaries
-
-The React Server/Client boundary serializes all object properties into strings and embeds them in the HTML response and subsequent RSC requests. This serialized data directly impacts page weight and load time, so **size matters a lot**. Only pass fields that the client actually uses.
-
-**Incorrect (serializes all 50 fields):**
-
-```tsx
-async function Page() {
-  const user = await fetchUser()  // 50 fields
-  return <Profile user={user} />
-}
-
-'use client'
-function Profile({ user }: { user: User }) {
-  return <div>{user.name}</div>  // uses 1 field
-}
-```
-
-**Correct (serializes only 1 field):**
-
-```tsx
-async function Page() {
-  const user = await fetchUser()
-  return <Profile name={user.name} />
-}
-
-'use client'
-function Profile({ name }: { name: string }) {
-  return <div>{name}</div>
-}
-```

.agents/skills/web-design-guidelines/SKILL.md

@@ -1,39 +0,0 @@
----
-name: web-design-guidelines
-description: Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
-metadata:
-  author: vercel
-  version: "1.0.0"
-  argument-hint: <file-or-pattern>
----
-
-# Web Interface Guidelines
-
-Review files for compliance with Web Interface Guidelines.
-
-## How It Works
-
-1. Fetch the latest guidelines from the source URL below
-2. Read the specified files (or prompt user for files/pattern)
-3. Check against all rules in the fetched guidelines
-4. Output findings in the terse `file:line` format
-
-## Guidelines Source
-
-Fetch fresh guidelines before each review:
-
-```
-https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md
-```
-
-Use WebFetch to retrieve the latest rules. The fetched content contains all the rules and output format instructions.
-
-## Usage
-
-When a user provides a file or pattern argument:
-1. Fetch guidelines from the source URL above
-2. Read the specified files
-3. Apply all rules from the fetched guidelines
-4. Output findings using the format specified in the guidelines
-
-If no files specified, ask the user which files to review.

.claude/settings.json

@@ -11,10 +11,5 @@
         ]
       }
     ]
-  },
-  "enabledPlugins": {
-    "feature-dev@claude-plugins-official": true,
-    "context7@claude-plugins-official": true,
-    "ralph-loop@claude-plugins-official": true
   }
 }

.claude/skills/backend-code-review

@@ -0,0 +1 @@
+../../.agents/skills/backend-code-review

.claude/skills/frontend-query-mutation

@@ -0,0 +1 @@
+../../.agents/skills/frontend-query-mutation

.claude/skills/orpc-contract-first

@@ -1 +0,0 @@
-../../.agents/skills/orpc-contract-first

.claude/skills/skill-creator

@@ -1 +0,0 @@
-../../.agents/skills/skill-creator

.claude/skills/vercel-react-best-practices

@@ -1 +0,0 @@
-../../.agents/skills/vercel-react-best-practices

.claude/skills/web-design-guidelines

@@ -1 +0,0 @@
-../../.agents/skills/web-design-guidelines

.codex/skills/component-refactoring

@@ -1 +0,0 @@
-../../.agents/skills/component-refactoring

.codex/skills/frontend-code-review

@@ -1 +0,0 @@
-../../.agents/skills/frontend-code-review

.codex/skills/frontend-testing

@@ -1 +0,0 @@
-../../.agents/skills/frontend-testing