Refact: switch from google-generativeai to google-genai (#13140)

### What problem does this PR solve?

Refact: switch from oogle-generativeai to google-genai  #13132
Refact: commnet out unused pywencai.

### Type of change

- [x] Refactoring

pyproject.toml

@@ -37,9 +37,10 @@ dependencies = [
     "flask-login==0.6.3",
     "flask-mail>=0.10.0",
     "flask-session==0.8.0",
+    "google-api-python-client>=2.190.0,<3.0.0",
     "google-auth-oauthlib>=1.2.0,<2.0.0",
+    "google-cloud-storage>=2.19.0,<3.0.0",
     "google-genai>=1.41.0,<2.0.0",
-    "google-generativeai>=0.8.1,<0.9.0", # Needed for cv_model and embedding_model
     "google-search-results==2.4.2",
     "graspologic @ git+https://github.com/yuzhichang/graspologic.git@38e680cab72bc9fb68a7992c3bcc2d53b24e42fd",
     "groq==0.9.0",
@@ -107,7 +108,6 @@ dependencies = [
     "tencentcloud-sdk-python==3.0.1478",
     "tika==2.6.0",
     "valkey==6.0.2",
-    "vertexai==1.70.0",
     "volcengine==1.0.194",
     "voyageai==0.2.3",
     "webdav4>=0.10.0,<0.11.0",
@@ -279,4 +279,4 @@ exclude_lines = [
 # HTML report configuration
 directory = "htmlcov"
 title = "Test Coverage Report"
-# extra_css = "custom.css"  # Optional custom CSS
+# extra_css = "custom.css"  # Optional custom CSS