feat: filter chat conversations by type; add get_weather and get_rss_items LLM tools

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/fabledassistant/services/chat.py

@@ -46,12 +46,13 @@ async def get_conversation(
 
 
 async def list_conversations(
-    user_id: int, limit: int = 50, offset: int = 0
+    user_id: int, limit: int = 50, offset: int = 0, conv_type: str = "chat"
 ) -> tuple[list[dict], int]:
     async with async_session() as session:
         total = await session.scalar(
             select(func.count(Conversation.id)).where(
-                Conversation.user_id == user_id
+                Conversation.user_id == user_id,
+                Conversation.conversation_type == conv_type,
             )
         ) or 0
 
@@ -65,7 +66,7 @@ async def list_conversations(
 
         result = await session.execute(
             select(Conversation, msg_count.label("message_count"))
-            .where(Conversation.user_id == user_id)
+            .where(Conversation.user_id == user_id, Conversation.conversation_type == conv_type)
             .order_by(Conversation.updated_at.desc())
             .limit(limit)
             .offset(offset)
@@ -78,6 +79,8 @@ async def list_conversations(
                 "id": conv.id,
                 "title": conv.title,
                 "model": conv.model,
+                "conversation_type": conv.conversation_type,
+                "briefing_date": conv.briefing_date.isoformat() if conv.briefing_date else None,
                 "message_count": row[1],
                 "created_at": conv.created_at.isoformat(),
                 "updated_at": conv.updated_at.isoformat(),