fix: route MCP requests per project root (#65)

* fix: route MCP requests per project root

* style: format multi-project routing files

* fix: harden multi-project routing

Author: PatrickSys

package.json

@@ -165,6 +165,7 @@
     "overrides": {
       "@modelcontextprotocol/sdk>ajv": "8.18.0",
       "@modelcontextprotocol/sdk>@hono/node-server": "1.19.11",
+      "@modelcontextprotocol/sdk>express-rate-limit": "8.2.2",
       "@huggingface/transformers>onnxruntime-node": "1.24.2",
       "minimatch": "10.2.3",
       "rollup": "4.59.0"