Misc cruft -- filtering, pagination tests, etc.

app/main.py

@@ -38,6 +38,13 @@ async def lifespan(app: FastAPI):
     await db.connect()
     logger.info("Database connected")
 
+    # Ensure default channels exist in the database even before the radio
+    # connects. Without this, a fresh or disconnected instance would return
+    # zero channels from GET /channels until the first successful radio sync.
+    from app.radio_sync import ensure_default_channels
+
+    await ensure_default_channels()
+
     try:
         await radio_manager.connect()
         logger.info("Connected to radio")

app/repository.py

@@ -724,7 +724,6 @@ class MessageRepository:
             """
             SELECT m.conversation_key,
                    COUNT(*) as unread_count,
-                   MAX(m.received_at) as last_message_time,
                    SUM(CASE
                            WHEN ? <> '' AND INSTR(LOWER(m.text), LOWER(?)) > 0 THEN 1
                            ELSE 0
@@ -749,7 +748,6 @@ class MessageRepository:
             """
             SELECT m.conversation_key,
                    COUNT(*) as unread_count,
-                   MAX(m.received_at) as last_message_time,
                    SUM(CASE
                            WHEN ? <> '' AND INSTR(LOWER(m.text), LOWER(?)) > 0 THEN 1
                            ELSE 0

app/routers/channels.py

@@ -8,7 +8,6 @@ from pydantic import BaseModel, Field
 from app.dependencies import require_connected
 from app.models import Channel
 from app.radio import radio_manager
-from app.radio_sync import ensure_default_channels
 from app.repository import ChannelRepository
 
 logger = logging.getLogger(__name__)
@@ -26,8 +25,6 @@ class CreateChannelRequest(BaseModel):
 @router.get("", response_model=list[Channel])
 async def list_channels() -> list[Channel]:
     """List all channels from the database."""
-    # Ensure Public channel always exists (self-healing)
-    await ensure_default_channels()
     return await ChannelRepository.get_all()
 
 

app/routers/packets.py

@@ -1,5 +1,6 @@
 import logging
 from hashlib import sha256
+from sqlite3 import OperationalError
 
 import aiosqlite
 from fastapi import APIRouter, BackgroundTasks
@@ -288,7 +289,9 @@ async def run_maintenance(request: MaintenanceRequest) -> MaintenanceResult:
             await vacuum_conn.executescript("VACUUM;")
         vacuumed = True
         logger.info("Database vacuumed")
-    except Exception as e:
+    except OperationalError as e:
         logger.warning("VACUUM skipped (database busy): %s", e)
+    except Exception as e:
+        logger.error("VACUUM failed unexpectedly: %s", e)
 
     return MaintenanceResult(packets_deleted=deleted, vacuumed=vacuumed)