chore(api): regenerate Document type with hasTranscription (#697)

Mirrors the new server-computed boolean on the document detail payload so
the frontend can gate the transcription entry control at first paint.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/lib/generated/api.ts

@@ -1758,6 +1758,7 @@ export interface components {
             sender?: components["schemas"]["Person"];
             tags?: components["schemas"]["Tag"][];
             trainingLabels?: ("KURRENT_RECOGNITION" | "KURRENT_SEGMENTATION")[];
+            hasTranscription: boolean;
             thumbnailUrl?: string;
         };
         PersonMention: {