fix(session-title): harden async provider lifecycle

packages/session-title/session-title-first-message-llm/package.json

@@ -17,6 +17,7 @@
   "license": "BSD-3-Clause",
   "peerDependencies": {
     "@deepseek-ai/dsh-llm": "^0.0.1",
+    "@deepseek-ai/dsh-session": "^0.0.1",
     "@deepseek-ai/dsh-session-title": "^0.0.1",
     "@deepseek-ai/dsh-session-title-llm": "^0.0.1",
     "cordis": "^4.0.0-rc.7"

packages/session-title/session-title-first-message-llm/src/index.ts

@@ -9,7 +9,7 @@ import {
 import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm'
 
 export const name = 'session-title-first-message-llm'
-export const inject = ['sessionTitle', 'llm']
+export const inject = ['sessionTitle', 'llm', 'sessions']
 
 /** Required LLM policy; this plugin adds no defaults. */
 export type Config = SessionTitleLlmConfig
@@ -28,7 +28,7 @@ export const Config: z<Config> = z.object({
 
 /**
  * Register the first-message model provider.
- * @param ctx - context exposing session-title and LLM services.
+ * @param ctx - context exposing session-title, LLM, and session services.
  * @param config - required route, target, byte, token, and timeout policy.
  */
 export function apply(ctx: Context, config: Config): void {

packages/session-title/session-title-first-message-llm/tests/provider.spec.ts

@@ -40,7 +40,7 @@ describe('first-message LLM title provider', () => {
     let registered: SessionTitleProvider | undefined
     vi.spyOn(ctx.sessionTitle, 'register').mockImplementation((provider) => {
       registered = provider
-      return () => undefined
+      return async () => undefined
     })
     providerPlugin.apply(ctx, LLM_CONFIG)