feat(frontend): API client for profile observations + closeout flag

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

frontend/src/api/client.ts

@@ -317,6 +317,7 @@ export interface JournalConfig {
   day_rollover_hour: number;
   morning_end_hour?: number;
   midday_end_hour?: number;
+  closeout_enabled?: boolean;
   // Ambient-context fields (carried forward from the briefing config schema)
   locations?: { home?: JournalLocation; work?: JournalLocation };
   temp_unit?: 'C' | 'F';
@@ -696,3 +697,11 @@ export const updateProfile = (data: Partial<UserProfile>) =>
 export const consolidateProfile = () =>
   apiPost<{ status: string; learned_summary: string }>('/api/profile/consolidate', {})
 export const clearProfileObservations = () => apiDelete('/api/profile/observations')
+
+export interface ProfileObservationEntry {
+  date: string
+  bullets: string
+}
+
+export const listProfileObservations = () =>
+  apiGet<{ observations: ProfileObservationEntry[] }>('/api/profile/observations')