fixed bugs

.gitignore

@@ -1,6 +1,36 @@
+# --- Backend (Python) ---
 .env
 __pycache__/
 *.py[cod]
 database/calendar.db
 database/calendar.db-journal
-.vscode
+.vscode
+.venv/
+
+# --- Frontend (Next.js / v0) ---
+node_modules/
+.next/
+out/
+.vercel/
+*.tsbuildinfo
+next-env.d.ts
+
+# leftover v0/dev artifacts
+dump.txt
+*.old-mock
+*.old-mock.tsx
+
+# env files
+.env*.local
+.env.production
+.env.development
+
+# OS / editor
+.DS_Store
+Thumbs.db
+
+# logs
+npm-debug.log*
+pnpm-debug.log*
+yarn-debug.log*
+yarn-error.log*