Unify auth and MCP servers into single modular codebase

- Merge auth-server and mcp-server into unified architecture under src/modules/
- Add configurable auth modes: internal (single process) and external (separate processes)
- Update example scripts to support OAuth discovery and both auth modes
- Consolidate OAuth documentation into comprehensive implementation guide
- Add configuration options for development vs production deployments
- Support both Redis-backed and in-memory session storage

tsconfig.json

@@ -1,19 +1,29 @@
 {
   "compilerOptions": {
-    "target": "es2018",
-    "module": "Node16",
-    "moduleResolution": "Node16",
-    "sourceMap": true,
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "lib": ["ES2022"],
+    "outDir": "./dist",
+    "rootDir": "./src",
     "strict": true,
     "esModuleInterop": true,
+    "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
     "resolveJsonModule": true,
-    "isolatedModules": true,
-    "skipLibCheck": true
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "allowSyntheticDefaultImports": true,
+    "isolatedModules": true
   },
-  "files": [],
-  "references": [
-    { "path": "./auth-server" },
-    { "path": "./mcp-server" }
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist",
+    "**/*.test.ts",
+    "**/*.spec.ts"
   ]
-}
+}