feat: add shared_memory_md field and enforce character limit in search space updates

surfsense_backend/app/routes/__init__.py

@@ -29,6 +29,7 @@ from .jira_add_connector_route import router as jira_add_connector_router
 from .linear_add_connector_route import router as linear_add_connector_router
 from .logs_routes import router as logs_router
 from .luma_add_connector_route import router as luma_add_connector_router
+from .memory_routes import router as memory_router
 from .model_list_routes import router as model_list_router
 from .new_chat_routes import router as new_chat_router
 from .new_llm_config_routes import router as new_llm_config_router
@@ -98,4 +99,5 @@ router.include_router(incentive_tasks_router)  # Incentive tasks for earning fre
 router.include_router(stripe_router)  # Stripe checkout for additional page packs
 router.include_router(youtube_router)  # YouTube playlist resolution
 router.include_router(prompts_router)
+router.include_router(memory_router)  # User personal memory (memory.md style)
 router.include_router(autocomplete_router)  # Lightweight autocomplete with KB context

surfsense_backend/app/routes/search_spaces_routes.py

@@ -5,6 +5,7 @@ from sqlalchemy import func
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.future import select
 
+from app.agents.new_chat.tools.update_memory import MEMORY_HARD_LIMIT
 from app.config import config
 from app.db import (
     ImageGenerationConfig,
@@ -255,6 +256,13 @@ async def update_search_space(
             raise HTTPException(status_code=404, detail="Search space not found")
 
         update_data = search_space_update.model_dump(exclude_unset=True)
+
+        if "shared_memory_md" in update_data and len(update_data["shared_memory_md"] or "") > MEMORY_HARD_LIMIT:
+            raise HTTPException(
+                status_code=400,
+                detail=f"Team memory exceeds {MEMORY_HARD_LIMIT:,} character limit.",
+            )
+
         for key, value in update_data.items():
             setattr(db_search_space, key, value)
         await session.commit()

surfsense_backend/app/schemas/search_space.py

@@ -21,6 +21,7 @@ class SearchSpaceUpdate(BaseModel):
     description: str | None = None
     citations_enabled: bool | None = None
     qna_custom_instructions: str | None = None
+    shared_memory_md: str | None = None
 
 
 class SearchSpaceRead(SearchSpaceBase, IDModel, TimestampModel):
@@ -29,6 +30,7 @@ class SearchSpaceRead(SearchSpaceBase, IDModel, TimestampModel):
     user_id: uuid.UUID
     citations_enabled: bool
     qna_custom_instructions: str | None = None
+    shared_memory_md: str | None = None
 
     model_config = ConfigDict(from_attributes=True)