Add attachEvent/renameSpeaker/mapSpeaker methods backing the new calendar UI

src/lib/stores/meetings.svelte.ts

@@ -63,6 +63,25 @@ class MeetingsStore {
     await api.updateNotes(id, markdown);
     if (this.selected && this.selectedId === id) this.selected.notes_markdown = markdown;
   }
+
+  /** Link a recording to a calendar event (T6.3/T6.6, FR-CAL-2/4). */
+  async attachEvent(id: MeetingId, eventId: string) {
+    await api.attachMeetingToEvent(id, eventId);
+    if (this.selectedId === id) await this.select(id);
+  }
+
+  /** Free-text speaker rename (T4.4, FR-SPK-2) — the "add new name" escape
+   * hatch alongside the attendee dropdown (T6.5). */
+  async renameSpeaker(id: MeetingId, label: string, name: string) {
+    await api.renameSpeaker(id, label, name);
+    if (this.selectedId === id) await this.select(id);
+  }
+
+  /** Name a speaker from the linked event's attendee list (T6.5, FR-SPK-4). */
+  async mapSpeaker(id: MeetingId, label: string, participantId: string) {
+    await api.mapSpeakerToParticipant(id, label, participantId);
+    if (this.selectedId === id) await this.select(id);
+  }
 }
 
 export const meetings = new MeetingsStore();