[loop-cycle-56] fix: resolve 5 lint errors on main (#203) (#224)

src/timmy/memory/unified.py

@@ -54,7 +54,7 @@ def _ensure_schema(conn: sqlite3.Connection) -> None:
             access_count INTEGER NOT NULL DEFAULT 0
         )
     """)
-    
+
     # Create indexes for efficient querying
     conn.execute("CREATE INDEX IF NOT EXISTS idx_memories_type ON memories(memory_type)")
     conn.execute("CREATE INDEX IF NOT EXISTS idx_memories_time ON memories(created_at)")
@@ -69,7 +69,7 @@ def _ensure_schema(conn: sqlite3.Connection) -> None:
 
 def _migrate_schema(conn: sqlite3.Connection) -> None:
     """Migrate from old three-table schema to unified memories table.
-    
+
     Migration paths:
     - episodes table -> memories (context_type -> memory_type)
     - chunks table -> memories with memory_type='vault_chunk'
@@ -94,7 +94,7 @@ def _migrate_schema(conn: sqlite3.Connection) -> None:
         try:
             cols = _get_table_columns(conn, "episodes")
             context_type_col = "context_type" if "context_type" in cols else "'conversation'"
-            
+
             conn.execute(f"""
                 INSERT INTO memories (
                     id, content, memory_type, source, embedding,
@@ -120,13 +120,15 @@ def _migrate_schema(conn: sqlite3.Connection) -> None:
         logger.info("Migration: Converting chunks table to memories")
         try:
             cols = _get_table_columns(conn, "chunks")
-            
+
             id_col = "id" if "id" in cols else "CAST(rowid AS TEXT)"
             content_col = "content" if "content" in cols else "text"
-            source_col = "filepath" if "filepath" in cols else ("source" if "source" in cols else "'vault'")
+            source_col = (
+                "filepath" if "filepath" in cols else ("source" if "source" in cols else "'vault'")
+            )
             embedding_col = "embedding" if "embedding" in cols else "NULL"
             created_col = "created_at" if "created_at" in cols else "datetime('now')"
-            
+
             conn.execute(f"""
                 INSERT INTO memories (
                     id, content, memory_type, source, embedding,
@@ -166,7 +168,7 @@ get_conn = get_connection
 @dataclass
 class MemoryEntry:
     """A memory entry with vector embedding.
-    
+
     Note: The DB column is `memory_type` but this field is named `context_type`
     for backward API compatibility.
     """