insight-chat: cargo fmt sweep on the get_faces_in_photo additions

Single-line dao lock + reordered faces import. No logic changes.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/state.rs

@@ -1,6 +1,5 @@
 use crate::ai::apollo_client::ApolloClient;
 use crate::ai::face_client::FaceClient;
-use crate::faces;
 use crate::ai::insight_chat::{ChatLockMap, InsightChatService};
 use crate::ai::openrouter::OpenRouterClient;
 use crate::ai::{InsightGenerator, OllamaClient, SmsApiClient};
@@ -11,6 +10,7 @@ use crate::database::{
     connect,
 };
 use crate::database::{PreviewDao, SqlitePreviewDao};
+use crate::faces;
 use crate::libraries::{self, Library, LibraryHealthMap};
 use crate::tags::{SqliteTagDao, TagDao};
 use crate::video::actors::{