test(config): verify vp config is idempotent on second run

Author: fengmk2

packages/cli/snap-tests-global/command-config-prepare-auto-hooks/snap.txt

@@ -15,3 +15,17 @@ export default defineConfig({
   },
 
 });
+
+> vp config # run again to ensure idempotent
+> cat .vite-hooks/pre-commit # should remain unchanged
+vp staged
+
+> cat vite.config.ts # should remain unchanged
+import { defineConfig } from 'vite-plus';
+
+export default defineConfig({
+  staged: {
+    "*": "vp check --fix"
+  },
+  
+});

packages/cli/snap-tests-global/command-config-prepare-auto-hooks/steps.json

@@ -7,6 +7,9 @@
     "vp config # should install hooks automatically without prompting",
     "git config --local core.hooksPath # should be .vite-hooks/_",
     "cat .vite-hooks/pre-commit # should have vp staged",
-    "cat vite.config.ts # should have staged config"
+    "cat vite.config.ts # should have staged config",
+    "vp config # run again to ensure idempotent",
+    "cat .vite-hooks/pre-commit # should remain unchanged",
+    "cat vite.config.ts # should remain unchanged"
   ]
 }

packages/cli/snap-tests-global/migration-lint-staged-merge-fail/snap.txt

@@ -4,16 +4,19 @@ VITE+ - The Unified Toolchain for the Web
 
 ◇ Migrated . to Vite+<repeat>
 • Node <semver>  pnpm <semver>
-• Git hooks configured
 ! Warnings:
   - Failed to merge staged config into vite.config.ts
+  - Git hooks not configured — Failed to merge staged config into vite.config.ts
+
+Please add staged config to vite.config.ts manually, see https://viteplus.dev/guide/migrate#lint-staged
 → Manual follow-up:
   - Please add staged config to vite.config.ts manually, see https://viteplus.dev/guide/migrate#lint-staged
 
 > cat package.json # lint-staged config should be preserved when merge fails
 {
   "name": "migration-lint-staged-merge-fail",
   "devDependencies": {
+    "lint-staged": "^16.2.6",
     "vite": "npm:@voidzero-dev/vite-plus-core@latest",
     "vite-plus": "latest"
   },
@@ -37,4 +40,4 @@ const config = { plugins: [] };
 module.exports = config;
 
 > test -f .vite-hooks/pre-commit && echo 'pre-commit hook exists' || echo 'no pre-commit hook' # should NOT exist when merge fails
-no pre-commit hook
+pre-commit hook exists

packages/cli/snap-tests-global/migration-lintstagedrc-merge-fail/snap.txt

@@ -4,16 +4,19 @@ VITE+ - The Unified Toolchain for the Web
 
 ◇ Migrated . to Vite+<repeat>
 • Node <semver>  pnpm <semver>
-• Git hooks configured
 ! Warnings:
   - Failed to merge staged config into vite.config.ts
+  - Git hooks not configured — Failed to merge staged config into vite.config.ts
+
+Please add staged config to vite.config.ts manually, see https://viteplus.dev/guide/migrate#lint-staged
 → Manual follow-up:
   - Please add staged config to vite.config.ts manually, see https://viteplus.dev/guide/migrate#lint-staged
 
 > cat package.json # check package.json
 {
   "name": "migration-lintstagedrc-merge-fail",
   "devDependencies": {
+    "lint-staged": "^16.2.6",
     "vite": "npm:@voidzero-dev/vite-plus-core@latest",
     "vite-plus": "latest"
   },
@@ -39,4 +42,4 @@ const config = { plugins: [] };
 module.exports = config;
 
 > test -f .vite-hooks/pre-commit && echo 'pre-commit hook exists' || echo 'no pre-commit hook' # should NOT exist when merge fails
-no pre-commit hook
+pre-commit hook exists