feat(tags): add tags fields to MeetingListItem/SearchHit (T8.3, FR-SEARCH-2)

src-tauri/src/models.rs

@@ -116,6 +116,8 @@ pub struct MeetingListItem {
     pub started_at: i64,
     pub duration_secs: Option<i64>,
     pub status: MeetingStatus,
+    /// Tags (Phase 8, FR-SEARCH-2), sorted.
+    pub tags: Vec<String>,
 }
 
 /// One full-text search hit (Phase 8, FR-SEARCH-1) — the same shape as
@@ -127,6 +129,7 @@ pub struct SearchHit {
     pub started_at: i64,
     pub duration_secs: Option<i64>,
     pub status: MeetingStatus,
+    pub tags: Vec<String>,
     pub snippet: String,
 }