Fix niggling bugs -- unclean shutdown, radio reconnect contention

tests/test_api.py

@@ -478,49 +478,6 @@ class TestRawPacketRepository:
             db._connection = original_conn
             await conn.close()
 
-    @pytest.mark.asyncio
-    async def test_create_returns_none_for_duplicate_packet(self):
-        """Second insert of same packet data returns None (duplicate)."""
-        import aiosqlite
-        from app.repository import RawPacketRepository
-        from app.database import db
-
-        # Use in-memory database for testing
-        conn = await aiosqlite.connect(":memory:")
-        conn.row_factory = aiosqlite.Row
-
-        # Create the raw_packets table
-        await conn.execute("""
-            CREATE TABLE raw_packets (
-                id INTEGER PRIMARY KEY,
-                timestamp INTEGER NOT NULL,
-                data BLOB NOT NULL UNIQUE,
-                decrypted INTEGER DEFAULT 0,
-                message_id INTEGER,
-                decrypt_attempts INTEGER DEFAULT 0,
-                last_attempt INTEGER
-            )
-        """)
-        await conn.commit()
-
-        # Patch the db._connection to use our test connection
-        original_conn = db._connection
-        db._connection = conn
-
-        try:
-            packet_data = b"\x01\x02\x03\x04\x05"
-
-            # First insert succeeds
-            first_id = await RawPacketRepository.create(packet_data, 1234567890)
-            assert first_id is not None
-
-            # Second insert of same data returns None
-            second_id = await RawPacketRepository.create(packet_data, 1234567891)
-            assert second_id is None
-        finally:
-            db._connection = original_conn
-            await conn.close()
-
     @pytest.mark.asyncio
     async def test_different_packets_both_stored(self):
         """Different packet data both get stored with unique IDs."""