fix(rsbuild-plugin): correct build configuration

- Fixed main entry path in project.json to correct location
- Added extends to tsconfig.json to inherit base configuration
- Added dependsOn configuration for proper build dependencies

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

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

Author: ScriptedAlchemy

packages/rsbuild-plugin/project.json

@@ -9,15 +9,21 @@
       "outputs": ["{options.outputPath}"],
       "options": {
         "outputPath": "packages/rsbuild-plugin/dist",
-        "main": "packages/rsbuild-plugin/cli/src/index.ts",
+        "main": "packages/rsbuild-plugin/src/cli/index.ts",
         "tsConfig": "packages/rsbuild-plugin/tsconfig.json",
         "assets": [],
         "project": "packages/rsbuild-plugin/package.json",
         "rollupConfig": "packages/rsbuild-plugin/rollup.config.js",
         "compiler": "swc",
         "format": ["cjs", "esm"],
         "generatePackageJson": false
-      }
+      },
+      "dependsOn": [
+        {
+          "target": "build",
+          "dependencies": true
+        }
+      ]
     },
     "lint": {
       "executor": "@nx/eslint:lint",

packages/rsbuild-plugin/tsconfig.json

@@ -1,4 +1,5 @@
 {
+  "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "baseUrl": ".",
     "rootDir": "./",