Fix Railway build: regenerate uv.lock and restore cd commands

- Regenerated mcp_server/uv.lock after dependency changes
- Restored cd commands in railway.json for Railway compatibility
- Ensures lockfile is in sync with pyproject.toml changes

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

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

mcp_server/uv.lock

@@ -470,7 +470,6 @@ dependencies = [
 [package.metadata]
 requires-dist = [
     { name = "azure-identity", specifier = ">=1.21.0" },
-    { name = "graphiti-core" },
     { name = "graphiti-core", specifier = ">=0.14.0" },
     { name = "mcp", specifier = ">=1.5.0" },
     { name = "openai", specifier = ">=1.68.2" },

railway.json

@@ -1,10 +1,10 @@
 {
   "$schema": "https://railway.app/railway.schema.json",
   "build": {
-    "buildCommand": "uv sync --directory mcp_server"
+    "buildCommand": "cd mcp_server && uv sync"
   },
   "deploy": {
-    "startCommand": "PYTHONPATH=/app/mcp_server python /app/mcp_server/graphiti_mcp_server.py --transport sse --host 0.0.0.0 --port 8080",
+    "startCommand": "cd mcp_server && python graphiti_mcp_server.py --transport sse --host 0.0.0.0 --port 8080",
     "restartPolicyType": "on_failure",
     "restartPolicyMaxRetries": 10
   }