feat: Models Atomic PR of #20243 (#20369)

* feat: Add read-only access support for Models

- Backend: Add write_access field to ModelAccessResponse
- Backend: Update /models/list to return ModelAccessListResponse
- Frontend: Display Read Only badge in Models list
- Frontend: Disable inputs and save button when no write access
- Frontend: Hide action buttons for read-only models

* fix: Handle ModelAccessListResponse format in getModels API

- Backend returns {items, total} instead of {data}
- Update getModels API to handle both formats for backward compatibility

* fix: Show read-only shared models in workspace list

- Backend: Change search_models permission from 'write' to 'read' to include shared models
- Backend: Keep user_id filter to only show owned/shared models (not all public)
- Frontend: Handle ModelAccessListResponse format in getModels API

* fix: Align Read Only badge inline with model name

* fix: Correct badge placement and fix syntax error

* fix: Resolve badge truncation in Models list

- Add w-full to flex container for proper spacing
- Wrap Badge in div to prevent truncation
- Match Knowledge.svelte badge pattern

* fix: Align Read Only badge with Knowledge.svelte pattern

- Match Knowledge.svelte structure for badge placement
- Actions only show when write_access or admin
- Remove w-full from container to prevent right-overflow

* fix: Return write_access from getModelById endpoint

fix: Return write_access from getModelById endpoint

- Use ModelAccessResponse instead of raw dict
- Remove inefficient getModels call in edit page

* revert

* fix

* fix

* fix

backend/open_webui/models/models.py

@@ -130,6 +130,10 @@ class ModelUserResponse(ModelModel):
     user: Optional[UserResponse] = None
 
 
+class ModelAccessResponse(ModelUserResponse):
+    write_access: Optional[bool] = False
+
+
 class ModelResponse(ModelModel):
     pass
 
@@ -139,6 +143,11 @@ class ModelListResponse(BaseModel):
     total: int
 
 
+class ModelAccessListResponse(BaseModel):
+    items: list[ModelAccessResponse]
+    total: int
+
+
 class ModelForm(BaseModel):
     id: str
     base_model_id: Optional[str] = None
@@ -292,7 +301,7 @@ class ModelsTable:
                     db,
                     query,
                     filter,
-                    permission="write",
+                    permission="read",
                 )
 
                 tag = filter.get("tag")