Fix watch.sh: run uv sync + db migrations on startup

watch.sh

@@ -50,7 +50,14 @@ echo "[watch] Developer Intelligence POC — File Watcher"
 echo "[watch] Polling every ${POLL_INTERVAL}s for new commits..."
 echo ""
 
-# Initial setup
+# Initial setup — always sync deps on start
+echo "[watch] Syncing dependencies..."
+uv sync
+
+# Run db migrations
+echo "[watch] Running db migrations..."
+uv run python -c "from db import init_db; init_db()"
+
 LAST_HASH=$(get_local_hash)
 LAST_REQS=$(md5sum requirements.txt pyproject.toml 2>/dev/null || echo "none")