feat(llm): add hosted_ai_acknowledged to AppSettings (T10.3/M3.3)

Frontend counterpart of the new Settings field: the one-time "data
leaves your device" acknowledgment for hosted (non-local) AI providers.

src/lib/api.ts

@@ -57,7 +57,7 @@ export interface AudioDeviceInfo {
 }
 
 export interface LlmStatus {
-  provider: string; // ollama|custom|off (Phase 10a adds anthropic|openai)
+  provider: string; // ollama|custom|anthropic|off (ADR-0011; "openai" not yet wired)
   reachable: boolean;
   isLocal: boolean;
   models: string[];
@@ -287,6 +287,10 @@ export interface AppSettings {
   low_overhead: boolean;
   default_record: boolean;
   consent_acknowledged: boolean;
+  /** One-time "data leaves your device" ack for hosted (non-local) AI
+   * providers — Anthropic today (ADR-0011, T10.3). Independent of
+   * consent_acknowledged (that one's about recording law). */
+  hosted_ai_acknowledged: boolean;
   sync_enabled: boolean;
   mcp_enabled: boolean;
   retention_max_age_days: number | null;