src/lib/api.ts

@@ -69,6 +69,16 @@ export interface ModelInfo {
   size_mb: number;
   installed: boolean;
   active: boolean;
+  /** `false` for `.en` (English-only) ggml variants; `true` for multilingual
+   * ones — gates the Settings language picker (T8.7, FR-TRX-4, M4.2). */
+  multilingual: boolean;
+}
+
+// One selectable transcription language (T8.7, FR-TRX-4) — ISO-639-1 code
+// as accepted by whisper.cpp, plus a display label.
+export interface LanguageOption {
+  code: string;
+  label: string;
 }
 
 export type MeetingStatus = "recording" | "transcribing" | "ready" | "recovering" | "error";
@@ -152,6 +162,9 @@ export interface Meeting {
   duration_secs: number | null;
   status: MeetingStatus;
   recorded: boolean;
+  // Transcription language actually used/selected for this meeting (T8.7,
+  // FR-TRX-4) — an ISO-639-1 code, or null if never resolved (e.g. no audio
+  // was ever decoded).
   language: string | null;
   backend_used: string | null;
   model_used: string | null;
@@ -284,6 +297,10 @@ export interface AppSettings {
   } | null;
   preferred_backend: string;
   whisper_model: string;
+  /** Default transcription language (T8.7, FR-TRX-4): `null` = auto-detect,
+   * an ISO-639-1 code forces that language. Only takes effect with a
+   * multilingual model — see `ModelInfo.multilingual`. */
+  whisper_language: string | null;
   low_overhead: boolean;
   default_record: boolean;
   consent_acknowledged: boolean;
@@ -345,14 +362,17 @@ export interface McpStatus {
 // ---- Commands ----
 export const api = {
   // `record` controls audio RETENTION (default false / off — ADR-0009).
+  // `language` (T8.7, FR-TRX-4): omit/undefined falls back to
+  // Settings.whisper_language; "auto" or omitted both mean auto-detect.
   startRecording: (
     meetingTitle?: string,
     calendarEventId?: string,
     record = false,
     templateId?: string,
+    language?: string,
   ) =>
     invoke<MeetingId>("start_recording", {
-      args: { meetingTitle, calendarEventId, record, templateId },
+      args: { meetingTitle, calendarEventId, record, templateId, language },
     }),
   listNoteTemplates: () => invoke<NoteTemplate[]>("list_note_templates"),
   stopRecording: (meetingId: MeetingId) => invoke<void>("stop_recording", { meetingId }),
@@ -377,11 +397,16 @@ export const api = {
   downloadNpuPackage: () => invoke<void>("download_npu_package"),
   downloadDirectmlPackage: () => invoke<void>("download_directml_package"),
   listModels: () => invoke<ModelInfo[]>("list_models"),
+  // T8.7/FR-TRX-4: static catalog of whisper.cpp-recognized language codes
+  // for the Settings dropdown; "Auto-detect" is a frontend-only addition.
+  listWhisperLanguages: () => invoke<LanguageOption[]>("list_whisper_languages"),
   downloadModel: (id: string, kind: "whisper" = "whisper") =>
     invoke<void>("download_model", { args: { kind, id } }),
   removeModel: (id: string) => invoke<void>("remove_model", { id }),
-  reprocessTranscript: (meetingId: MeetingId, model: string) =>
-    invoke<void>("reprocess_transcript", { meetingId, model }),
+  // `language` (T8.7): omit/undefined reuses whatever language the meeting
+  // already had rather than resetting it to auto.
+  reprocessTranscript: (meetingId: MeetingId, model: string, language?: string) =>
+    invoke<void>("reprocess_transcript", { meetingId, model, language }),
   resumeTranscription: (meetingId: MeetingId) =>
     invoke<void>("resume_transcription", { meetingId }),
   listMeetings: (filter?: MeetingFilter) =>