diff --git a/api/scripts/sessions-indexer.ts b/api/scripts/sessions-indexer.ts
index b32fa7e..6beff24 100644
--- a/api/scripts/sessions-indexer.ts
+++ b/api/scripts/sessions-indexer.ts
@@ -24,8 +24,11 @@ async function main(): Promise<void> {
   console.log(`[indexer] modo=${mode} db=${dbPath}`)
 
   if (mode === '--watch') {
-    startWatcher()
-    return
+    console.log(`[indexer] watch mode em ${dbPath}`)
+    await indexAll({ dbPath })
+    await startWatcher(dbPath)
+    console.log('[indexer] watcher ainda não implementado (ver Task 8) — saída limpa')
+    process.exit(0)
   }
 
   const start = Date.now()
diff --git a/api/services/sessions/watcher.ts b/api/services/sessions/watcher.ts
index bdaf013..679361d 100644
--- a/api/services/sessions/watcher.ts
+++ b/api/services/sessions/watcher.ts
@@ -1,7 +1,7 @@
 /**
- * Watcher incremental via chokidar — stub.
- * Implementação completa na Task 8 (Pipeline: incremental watch + resiliência).
+ * Stub — implementação real chega em Task 8 (chokidar).
+ * Devolve imediatamente; o CLI imprime aviso e termina com exit 0.
  */
-export function startWatcher(): never {
-  throw new Error('watcher não implementado — ver Task 8')
+export async function startWatcher(_dbPath: string): Promise<void> {
+  return
 }