feat: require password for admin init and auto-configure plugin path

- pass_mgr admin init now requires --key-path parameter
- Password must be at least 6 characters long
- Install script now updates OpenClaw plugins.load.paths config
- Falls back to manual instructions if config file not found

install.mjs

@@ -455,6 +455,44 @@ async function configure(env) {
   
   log('\n  Add the following to your shell profile:', 'yellow');
   log(`    source ${envFile}`, 'cyan');
+
+  // Update OpenClaw plugins.load.paths configuration
+  log('\n  Updating OpenClaw plugin configuration...', 'blue');
+  const openclawConfigPath = join(env.openclawDir || homedir(), '.openclaw', 'config.json');
+  
+  if (existsSync(openclawConfigPath)) {
+    try {
+      const configContent = readFileSync(openclawConfigPath, 'utf8');
+      const config = JSON.parse(configContent);
+      
+      // Ensure plugins.load.paths exists
+      if (!config.plugins) {
+        config.plugins = {};
+      }
+      if (!config.plugins.load) {
+        config.plugins.load = {};
+      }
+      if (!config.plugins.load.paths) {
+        config.plugins.load.paths = [];
+      }
+      
+      // Add paddedcell skills path if not already present
+      const skillsPath = join(env.openclawDir || homedir(), '.openclaw', 'skills', 'paddedcell');
+      if (!config.plugins.load.paths.includes(skillsPath)) {
+        config.plugins.load.paths.push(skillsPath);
+        writeFileSync(openclawConfigPath, JSON.stringify(config, null, 2));
+        logSuccess(`Added plugin path to OpenClaw config: ${skillsPath}`);
+      } else {
+        log('  Plugin path already in OpenClaw config', 'green');
+      }
+    } catch (err) {
+      logWarning(`Failed to update OpenClaw config: ${err.message}`);
+    }
+  } else {
+    logWarning(`OpenClaw config not found at ${openclawConfigPath}`);
+    log('  Please manually add the following to your OpenClaw config:', 'yellow');
+    log(`    plugins.load.paths: ["${join(env.openclawDir || homedir(), '.openclaw', 'skills', 'paddedcell')}"]`, 'cyan');
+  }
 }
 
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