fix: resolve pyodide version conflict for Docker builds

- Added override for pyodide@0.26.4 to resolve version conflict
- @langchain/community requires pyodide <0.27.0 but npm was installing 0.28.0
- This was causing Railway Docker build failures with npm ci

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

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

package-lock.json

@@ -29991,10 +29991,10 @@
       "peer": true
     },
     "node_modules/pyodide": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.28.0.tgz",
-      "integrity": "sha512-QML/Gh8eu50q5zZKLNpW6rgS0XUdK+94OSL54AUSKV8eJAxgwZrMebqj+CyM0EbF3EUX8JFJU3ryaxBViHammQ==",
-      "license": "MPL-2.0",
+      "version": "0.26.4",
+      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.26.4.tgz",
+      "integrity": "sha512-z2CHsjVlhhJi5tYBF0AYAfNEPo3zq/z+xOpFtk1tweJkRaTqU4UK/7pLvo8DBU2VDPH31vB3pSI+8fnoqrVrFg==",
+      "license": "Apache-2.0",
       "dependencies": {
         "ws": "^8.5.0"
       },

package.json

@@ -143,5 +143,8 @@
     "@rollup/rollup-darwin-arm64": "^4.50.0",
     "@rollup/rollup-linux-x64-gnu": "^4.50.0",
     "better-sqlite3": "^11.10.0"
+  },
+  "overrides": {
+    "pyodide": "0.26.4"
   }
 }