feat(db): Remove document summary LLM schema

surfsense_backend/app/db.py

@@ -1781,9 +1781,6 @@ class SearchSpace(BaseModel, TimestampMixin):
     agent_llm_id = Column(
         Integer, nullable=True, default=0
     )  # For agent/chat operations, defaults to Auto mode
-    document_summary_llm_id = Column(
-        Integer, nullable=True, default=0
-    )  # For document summarization, defaults to Auto mode
     image_generation_config_id = Column(
         Integer, nullable=True, default=0
     )  # For image generation, defaults to Auto mode
@@ -1951,12 +1948,6 @@ class SearchSourceConnector(BaseModel, TimestampMixin):
     last_indexed_at = Column(TIMESTAMP(timezone=True), nullable=True)
     config = Column(JSON, nullable=False)
 
-    # Summary generation (LLM-based) - disabled by default to save resources.
-    # When enabled, improves hybrid search quality at the cost of LLM calls.
-    enable_summary = Column(
-        Boolean, nullable=False, default=False, server_default="false"
-    )
-
     # Vision LLM for image files - disabled by default to save cost/time.
     # When enabled, images are described via a vision language model instead
     # of falling back to the document parser.

surfsense_backend/app/routes/search_spaces_routes.py

@@ -617,9 +617,6 @@ async def get_llm_preferences(
 
         # Get full config objects for each role
         agent_llm = await _get_llm_config_by_id(session, search_space.agent_llm_id)
-        document_summary_llm = await _get_llm_config_by_id(
-            session, search_space.document_summary_llm_id
-        )
         image_generation_config = await _get_image_gen_config_by_id(
             session, search_space.image_generation_config_id
         )
@@ -629,11 +626,9 @@ async def get_llm_preferences(
 
         return LLMPreferencesRead(
             agent_llm_id=search_space.agent_llm_id,
-            document_summary_llm_id=search_space.document_summary_llm_id,
             image_generation_config_id=search_space.image_generation_config_id,
             vision_llm_config_id=search_space.vision_llm_config_id,
             agent_llm=agent_llm,
-            document_summary_llm=document_summary_llm,
             image_generation_config=image_generation_config,
             vision_llm_config=vision_llm_config,
         )
@@ -707,9 +702,6 @@ async def update_llm_preferences(
 
         # Get full config objects for response
         agent_llm = await _get_llm_config_by_id(session, search_space.agent_llm_id)
-        document_summary_llm = await _get_llm_config_by_id(
-            session, search_space.document_summary_llm_id
-        )
         image_generation_config = await _get_image_gen_config_by_id(
             session, search_space.image_generation_config_id
         )
@@ -719,11 +711,9 @@ async def update_llm_preferences(
 
         return LLMPreferencesRead(
             agent_llm_id=search_space.agent_llm_id,
-            document_summary_llm_id=search_space.document_summary_llm_id,
             image_generation_config_id=search_space.image_generation_config_id,
             vision_llm_config_id=search_space.vision_llm_config_id,
             agent_llm=agent_llm,
-            document_summary_llm=document_summary_llm,
             image_generation_config=image_generation_config,
             vision_llm_config=vision_llm_config,
         )

surfsense_backend/app/schemas/new_llm_config.py

@@ -221,9 +221,6 @@ class LLMPreferencesRead(BaseModel):
     agent_llm_id: int | None = Field(
         None, description="ID of the LLM config to use for agent/chat tasks"
     )
-    document_summary_llm_id: int | None = Field(
-        None, description="ID of the LLM config to use for document summarization"
-    )
     image_generation_config_id: int | None = Field(
         None, description="ID of the image generation config to use"
     )
@@ -234,9 +231,6 @@ class LLMPreferencesRead(BaseModel):
     agent_llm: dict[str, Any] | None = Field(
         None, description="Full config for agent LLM"
     )
-    document_summary_llm: dict[str, Any] | None = Field(
-        None, description="Full config for document summary LLM"
-    )
     image_generation_config: dict[str, Any] | None = Field(
         None, description="Full config for image generation"
     )
@@ -253,9 +247,6 @@ class LLMPreferencesUpdate(BaseModel):
     agent_llm_id: int | None = Field(
         None, description="ID of the LLM config to use for agent/chat tasks"
     )
-    document_summary_llm_id: int | None = Field(
-        None, description="ID of the LLM config to use for document summarization"
-    )
     image_generation_config_id: int | None = Field(
         None, description="ID of the image generation config to use"
     )

surfsense_backend/app/schemas/search_source_connector.py

@@ -16,7 +16,6 @@ class SearchSourceConnectorBase(BaseModel):
     is_indexable: bool
     last_indexed_at: datetime | None = None
     config: dict[str, Any]
-    enable_summary: bool = False
     enable_vision_llm: bool = False
     periodic_indexing_enabled: bool = False
     indexing_frequency_minutes: int | None = None
@@ -67,7 +66,6 @@ class SearchSourceConnectorUpdate(BaseModel):
     is_indexable: bool | None = None
     last_indexed_at: datetime | None = None
     config: dict[str, Any] | None = None
-    enable_summary: bool | None = None
     enable_vision_llm: bool | None = None
     periodic_indexing_enabled: bool | None = None
     indexing_frequency_minutes: int | None = None

surfsense_backend/app/services/llm_service.py

@@ -68,7 +68,6 @@ def _is_interactive_auth_provider(
 
 class LLMRole:
     AGENT = "agent"  # For agent/chat operations
-    DOCUMENT_SUMMARY = "document_summary"  # For document summarization
 
 
 def get_global_llm_config(llm_config_id: int) -> dict | None:
@@ -266,7 +265,7 @@ async def get_search_space_llm_instance(
     Args:
         session: Database session
         search_space_id: Search Space ID
-        role: LLM role ('agent' or 'document_summary')
+        role: LLM role ('agent')
 
     Returns:
         ChatLiteLLM or ChatLiteLLMRouter instance, or None if not found
@@ -283,11 +282,8 @@ async def get_search_space_llm_instance(
             return None
 
         # Get the appropriate LLM config ID based on role
-        llm_config_id = None
         if role == LLMRole.AGENT:
             llm_config_id = search_space.agent_llm_id
-        elif role == LLMRole.DOCUMENT_SUMMARY:
-            llm_config_id = search_space.document_summary_llm_id
         else:
             logger.error(f"Invalid LLM role: {role}")
             return None
@@ -470,20 +466,13 @@ async def get_search_space_llm_instance(
 
 
 async def get_agent_llm(
-    session: AsyncSession, search_space_id: int
-) -> ChatLiteLLM | ChatLiteLLMRouter | None:
-    """Get the search space's agent LLM instance for chat operations."""
-    return await get_search_space_llm_instance(session, search_space_id, LLMRole.AGENT)
-
-
-async def get_document_summary_llm(
     session: AsyncSession, search_space_id: int, disable_streaming: bool = False
 ) -> ChatLiteLLM | ChatLiteLLMRouter | None:
-    """Get the search space's document summary LLM instance."""
+    """Get the search space's agent LLM instance for chat operations."""
     return await get_search_space_llm_instance(
         session,
         search_space_id,
-        LLMRole.DOCUMENT_SUMMARY,
+        LLMRole.AGENT,
         disable_streaming=disable_streaming,
     )
 
@@ -645,22 +634,6 @@ async def get_vision_llm(
         return None
 
 
-# Backward-compatible alias (LLM preferences are now per-search-space, not per-user)
-async def get_user_long_context_llm(
-    session: AsyncSession,
-    user_id: str,
-    search_space_id: int,
-    disable_streaming: bool = False,
-) -> ChatLiteLLM | ChatLiteLLMRouter | None:
-    """
-    Deprecated: Use get_document_summary_llm instead.
-    The user_id parameter is ignored as LLM preferences are now per-search-space.
-    """
-    return await get_document_summary_llm(
-        session, search_space_id, disable_streaming=disable_streaming
-    )
-
-
 def get_planner_llm() -> ChatLiteLLM | None:
     """Return a planner LLM instance from the first global config marked
     ``is_planner: true``, or ``None`` if no planner config is defined.