merge: sync with upstream v0.9.0rc branch

apps/server/src/routes/settings/index.ts

@@ -23,6 +23,7 @@ import { createGetProjectHandler } from './routes/get-project.js';
 import { createUpdateProjectHandler } from './routes/update-project.js';
 import { createMigrateHandler } from './routes/migrate.js';
 import { createStatusHandler } from './routes/status.js';
+import { createDiscoverAgentsHandler } from './routes/discover-agents.js';
 
 /**
  * Create settings router with all endpoints
@@ -39,6 +40,7 @@ import { createStatusHandler } from './routes/status.js';
  * - POST /project - Get project settings (requires projectPath in body)
  * - PUT /project - Update project settings
  * - POST /migrate - Migrate settings from localStorage
+ * - POST /agents/discover - Discover filesystem agents from .claude/agents/ (read-only)
  *
  * @param settingsService - Instance of SettingsService for file I/O
  * @returns Express Router configured with all settings endpoints
@@ -72,5 +74,8 @@ export function createSettingsRoutes(settingsService: SettingsService): Router {
   // Migration from localStorage
   router.post('/migrate', createMigrateHandler(settingsService));
 
+  // Filesystem agents discovery (read-only)
+  router.post('/agents/discover', createDiscoverAgentsHandler());
+
   return router;
 }

apps/server/src/routes/settings/routes/discover-agents.ts

@@ -0,0 +1,61 @@
+/**
+ * Discover Agents Route - Returns filesystem-based agents from .claude/agents/
+ *
+ * Scans both user-level (~/.claude/agents/) and project-level (.claude/agents/)
+ * directories for AGENT.md files and returns parsed agent definitions.
+ */
+
+import type { Request, Response } from 'express';
+import { discoverFilesystemAgents } from '../../../lib/agent-discovery.js';
+import { createLogger } from '@automaker/utils';
+
+const logger = createLogger('DiscoverAgentsRoute');
+
+interface DiscoverAgentsRequest {
+  projectPath?: string;
+  sources?: Array<'user' | 'project'>;
+}
+
+/**
+ * Create handler for discovering filesystem agents
+ *
+ * POST /api/settings/agents/discover
+ * Body: { projectPath?: string, sources?: ['user', 'project'] }
+ *
+ * Returns:
+ * {
+ *   success: true,
+ *   agents: Array<{
+ *     name: string,
+ *     definition: AgentDefinition,
+ *     source: 'user' | 'project',
+ *     filePath: string
+ *   }>
+ * }
+ */
+export function createDiscoverAgentsHandler() {
+  return async (req: Request, res: Response) => {
+    try {
+      const { projectPath, sources = ['user', 'project'] } = req.body as DiscoverAgentsRequest;
+
+      logger.info(
+        `Discovering agents from sources: ${sources.join(', ')}${projectPath ? ` (project: ${projectPath})` : ''}`
+      );
+
+      const agents = await discoverFilesystemAgents(projectPath, sources);
+
+      logger.info(`Discovered ${agents.length} filesystem agents`);
+
+      res.json({
+        success: true,
+        agents,
+      });
+    } catch (error) {
+      logger.error('Failed to discover agents:', error);
+      res.status(500).json({
+        success: false,
+        error: error instanceof Error ? error.message : 'Failed to discover agents',
+      });
+    }
+  };
+}