### What problem does this PR solve?
This PR fixes missing authorization checks in the Memory API.
Previously, several authenticated endpoints accepted caller-supplied
`tenant_id`, `owner_ids`, or `memory_id` values and used them directly
to list, read, update, delete, or search Memory data.
That could allow an authenticated user to access or mutate another
tenant's Memory records if they knew a tenant ID or memory ID. The fix
centralizes Memory access checks and applies them consistently across
Memory and Memory-message operations.
The change:
- Adds helper logic to parse list filters and compute tenant IDs
accessible to `current_user`.
- Requires direct `memory_id` operations to pass Memory access checks
before reading, updating, deleting, or changing message state.
- Filters list/search/recent-message requests to accessible memories
only.
- Applies Memory visibility filtering before count and pagination in
`MemoryService.get_by_filter`.
- Accepts `owner_ids` in the Memory list route, matching the frontend
owner filter while still intersecting values with the caller's
accessible tenants.
-
### Related issues
Closes#14534
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
Co-authored-by: jony376 <jony376@gmail.com>
### What problem does this PR solve?
1. Split dataset api to gateway and service, and modify web UI to use
restful http api.
2. Old KB releated APIs are commented.
### Type of change
- [x] Refactoring
---------
Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
### What problem does this PR solve?
1. Split dataset api to gateway and service, and modify web UI to use
restful http api.
2. Old KB releated APIs are commented.
### Type of change
- [x] Refactoring
### What problem does this PR solve?
1. Split dataset api to gateway and service, and modify web UI to use
restful http api.
2. Old KB releated APIs are commented.
### Type of change
- [x] Refactoring
### What problem does this PR solve?
Get user_id from canvas and record it.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Add id for table tenant_llm and apply in LLMBundle.
### Type of change
- [x] Refactoring
---------
Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Liu An <asiro@qq.com>
### What problem does this PR solve?
Decouple the memory API into a gateway layer (for routing/param parse)
and a service layer (for business logic).
### Type of change
- [x] Refactoring
