git ignore update

.gitignore

@@ -5,3 +5,31 @@ proxy/.env
 .DS_Store
 Thumbs.db
 /tmp/
+
+# ── GSD baseline (auto-generated) ──
+.gsd
+.gsd-id
+.mcp.json
+.bg-shell/
+*.swp
+*.swo
+*~
+.idea/
+.vscode/
+*.code-workspace
+.env
+.env.*
+!.env.example
+.next/
+dist/
+build/
+__pycache__/
+*.pyc
+.venv/
+venv/
+target/
+vendor/
+coverage/
+.cache/
+tmp/
+.gsd.migrating