ai: call transcripts (each side recorded, merged by time) and summaries; search on Recordings

apps/api/src/db/migrations/0007_recording_transcripts.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "recordings" ADD COLUMN "transcript" jsonb;--> statement-breakpoint
+ALTER TABLE "recordings" ADD COLUMN "summary" text;--> statement-breakpoint
+ALTER TABLE "recordings" ADD COLUMN "ai_done_at" timestamp with time zone;--> statement-breakpoint
+ALTER TABLE "recordings" ADD COLUMN "ai_error" text;

apps/api/src/db/migrations/meta/_journal.json

@@ -50,6 +50,13 @@
       "when": 1792624567407,
       "tag": "0006_voicemail_transcript",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "7",
+      "when": 1792626762332,
+      "tag": "0007_recording_transcripts",
+      "breakpoints": true
     }
   ]
 }

apps/api/src/db/schema.ts

@@ -533,6 +533,12 @@ export const recordings = pgTable('recordings', {
   startedAt: tstz().notNull(),
   durationMs: integer(),
   sizeBytes: bigint({ mode: 'number' }),
+  /** Spec 10 §3: [{ side: 'caller' | 'other', at: seconds, text }], in time order. */
+  transcript: jsonb().$type<{ side: 'caller' | 'other'; at: number; text: string }[]>(),
+  summary: text(),
+  /** When the transcript job finished with it (null: not yet); aiError: why it has none. */
+  aiDoneAt: tstz(),
+  aiError: text(),
   ...timestamps,
 });