chore: Add development utilities and MCP configuration

- Added debug-db.mjs script for debugging SurrealDB queries
- Added .mcp.json configuration for Playwright test MCP server
- Added Claude Code agents for Playwright test generation, planning, and healing

These tools assist with development and debugging workflows.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.mcp.json

@@ -0,0 +1,11 @@
+{
+  "mcpServers": {
+    "playwright-test": {
+      "command": "npx",
+      "args": [
+        "playwright",
+        "run-test-mcp-server"
+      ]
+    }
+  }
+}