feat: add --uninstall support to install script

- Add --uninstall flag to remove installed components
- List items to be removed before confirmation
- Remove pass_mgr binary, skills modules, and env config
- Preserve admin key directory (warns user to remove manually)
- Update PROJECT_PLAN.md with uninstall usage

PROJECT_PLAN.md

@@ -286,6 +286,12 @@ node install.mjs --build-only
 
 # 跳过依赖检测
 node install.mjs --skip-check
+
+# 卸载
+node install.mjs --uninstall
+
+# 从指定路径卸载
+node install.mjs --uninstall --prefix /usr/local
 ```
 
 ---

install.mjs

@@ -8,6 +8,8 @@
  *   node install.mjs --prefix /usr/local
  *   node install.mjs --build-only
  *   node install.mjs --skip-check
+ *   node install.mjs --uninstall
+ *   node install.mjs --uninstall --prefix /usr/local
  */
 
 import { execSync, spawn } from 'child_process';
@@ -27,6 +29,7 @@ const options = {
   buildOnly: args.includes('--build-only'),
   skipCheck: args.includes('--skip-check'),
   verbose: args.includes('--verbose') || args.includes('-v'),
+  uninstall: args.includes('--uninstall'),
 };
 
 // Parse --prefix value
@@ -589,9 +592,84 @@ function printSummary(env) {
 }
 
 // ============================================================================
-// Main
+// Uninstall Function
 // ============================================================================
 
+async function uninstall(env) {
+  logStep(1, 'Uninstalling PaddedCell...');
+
+  const installDir = options.prefix || env.openclawDir;
+  const binDir = join(installDir, 'bin');
+  const skillsDir = join(installDir, 'skills', 'paddedcell');
+  const envFile = join(installDir, 'paddedcell.env');
+
+  const itemsToRemove = [];
+
+  // Check what exists
+  const passMgrBinary = join(binDir, 'pass_mgr');
+  if (existsSync(passMgrBinary)) {
+    itemsToRemove.push(passMgrBinary);
+  }
+
+  if (existsSync(skillsDir)) {
+    itemsToRemove.push(skillsDir);
+  }
+
+  if (existsSync(envFile)) {
+    itemsToRemove.push(envFile);
+  }
+
+  if (itemsToRemove.length === 0) {
+    log('No installed components found.', 'yellow');
+    return;
+  }
+
+  log('The following items will be removed:', 'yellow');
+  for (const item of itemsToRemove) {
+    log(`  • ${item}`, 'reset');
+  }
+
+  // Ask for confirmation
+  const confirm = await prompt('\nAre you sure you want to uninstall? (y/N): ');
+  if (confirm.toLowerCase() !== 'y') {
+    log('Uninstall cancelled.', 'yellow');
+    return;
+  }
+
+  // Perform uninstall
+  for (const item of itemsToRemove) {
+    try {
+      if (item === passMgrBinary || item === envFile) {
+        execSync(`rm -f "${item}"`, { silent: true });
+        logSuccess(`Removed: ${item}`);
+      } else {
+        execSync(`rm -rf "${item}"`, { silent: true });
+        logSuccess(`Removed: ${item}`);
+      }
+    } catch (err) {
+      logError(`Failed to remove: ${item}`);
+    }
+  }
+
+  // Check for admin key directory
+  const adminKeyDir = join(homedir(), '.pass_mgr');
+  if (existsSync(adminKeyDir)) {
+    log('\n⚠️  Admin key directory found:', 'yellow');
+    log(`   ${adminKeyDir}`, 'cyan');
+    log('   This contains your encryption keys. Remove manually if desired.', 'yellow');
+  }
+
+  console.log('');
+  log('╔════════════════════════════════════════════════════════╗', 'cyan');
+  log('║          PaddedCell Uninstall Complete                 ║', 'cyan');
+  log('╚════════════════════════════════════════════════════════╝', 'cyan');
+  console.log('');
+
+  log('Remember to remove the following from your shell profile:', 'yellow');
+  log(`  source ${envFile}`, 'cyan');
+  console.log('');
+}
+
 async function main() {
   console.log('');
   log('╔════════════════════════════════════════════════════════╗', 'cyan');
@@ -601,6 +679,13 @@ async function main() {
 
   try {
     const env = detectEnvironment();
+
+    // Handle uninstall
+    if (options.uninstall) {
+      await uninstall(env);
+      process.exit(0);
+    }
+
     checkDependencies(env);
     await buildComponents(env);
     await installComponents(env);