feat(skills): enable watcher wiring through daemon lifecycle

src/daemon/services.ts

@@ -9,7 +9,7 @@ import { GatewayServer } from '../gateway/index.js';
 import { ChannelRegistry, PairingManager, type PairingStore } from '../channels/index.js';
 import { HeartbeatMonitor } from '../automation/index.js';
 import { McpManager } from '../mcp/index.js';
-import { SkillRegistry, SkillInstaller, loadAllSkills } from '../skills/index.js';
+import { SkillRegistry, SkillInstaller, SkillsWatcher, loadAllSkills } from '../skills/index.js';
 import { assembleSystemPrompt } from '../prompt/index.js';
 import { resolve } from 'path';
 import { homedir } from 'os';
@@ -23,9 +23,10 @@ import type { RoutingPolicy } from '../routing/index.js';
 export interface SkillsResult {
   skillRegistry: SkillRegistry;
   skillInstaller: SkillInstaller;
+  skillsWatcher?: SkillsWatcher;
 }
 
-export function initSkills(config: Config): SkillsResult {
+export function initSkills(config: Config, lifecycle?: Lifecycle): SkillsResult {
   const defaultManagedDir = resolve(homedir(), '.flynn/workspace/skills');
   const skillRegistry = new SkillRegistry();
   const skillInstaller = new SkillInstaller(config.skills.managed_dir ?? defaultManagedDir);
@@ -45,7 +46,37 @@ export function initSkills(config: Config): SkillsResult {
     console.log(`Loaded ${skills.length} skill(s) (${available} available)`);
   }
 
-  return { skillRegistry, skillInstaller };
+  const watchEnabled = config.skills.load.watch;
+  if (!watchEnabled || !lifecycle) {
+    return { skillRegistry, skillInstaller };
+  }
+
+  const skillDirs = [
+    config.skills.bundled_dir,
+    config.skills.managed_dir ?? defaultManagedDir,
+    config.skills.workspace_dir,
+  ].filter((dir): dir is string => Boolean(dir));
+
+  const skillsWatcher = new SkillsWatcher({
+    skillDirs,
+    debounceMs: config.skills.load.watch_debounce_ms,
+    onSkillsChanged: ({ changedPaths }) => {
+      console.log(`Skills watcher detected changes in ${changedPaths.length} path(s)`);
+    },
+  });
+  skillsWatcher.start();
+  if (skillsWatcher.watchedDirectoryCount > 0) {
+    console.log(`Skills watcher started (${skillsWatcher.watchedDirectoryCount} dir(s), debounce ${config.skills.load.watch_debounce_ms}ms)`);
+  } else {
+    console.log('Skills watcher enabled, but no existing skill directories to watch');
+  }
+
+  lifecycle.onShutdown(async () => {
+    skillsWatcher.stop();
+    console.log('Skills watcher stopped');
+  });
+
+  return { skillRegistry, skillInstaller, skillsWatcher };
 }
 
 // ── MCP ─────────────────────────────────────────────────────────