fix(build): add explicit devtools dependency to cli and fix output structure

packages/cli/package.json

@@ -74,6 +74,7 @@
   },
   "devDependencies": {
     "@google/gemini-cli-test-utils": "file:../test-utils",
+    "@google/gemini-cli-devtools": "file:../devtools",
     "@types/command-exists": "^1.2.3",
     "@types/hast": "^3.0.4",
     "@types/node": "^20.11.24",

packages/devtools/tsconfig.build.json

@@ -1,5 +1,5 @@
 {
-  "extends": "./tsconfig.json",
+  "extends": "../../tsconfig.json",
   "compilerOptions": {
     "outDir": "dist",
     "rootDir": "src",