cleanup typescript build output structure

shared/package.json

@@ -4,10 +4,15 @@
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
-    "build": "tsc -p tsconfig.json"
+    "build": "tsc -p tsconfig.json",
+    "clean": "rimraf dist"
   },
+  "files": [
+    "dist"
+  ],
   "devDependencies": {
     "@types/node": "^26.1.1",
-    "typescript": "^5.7.3"
+    "typescript": "^5.7.3",
+    "rimraf": "^6.0.1"
   }
-}
+}

shared/tsconfig.json

@@ -4,8 +4,8 @@
     "module": "CommonJS",
     "declaration": true,
     "declarationMap": true,
-    "outDir": "dist",
-    "rootDir": "src",
+    "outDir": "./dist",
+    "rootDir": "./src",
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
@@ -14,6 +14,10 @@
     ]
   },
   "include": [
-    "src"
+    "src/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist"
   ]
 }