Q128: every model call of a run is recorded with its purpose and listed in the run

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/main/database/migrations/091-request-purpose.ts

@@ -0,0 +1,8 @@
+// Requests from before purposes were recorded stay 'unrecorded' rather than being guessed.
+export const requestPurposeSchema = `
+  alter table provider_requests add column purpose text not null default 'unrecorded';
+  create index if not exists provider_requests_run on provider_requests(task_run_id);
+
+  insert into schema_migrations(version, name, applied_at)
+  values (91, 'request_purpose', datetime('now'));
+`;

src/main/database/schema.ts

@@ -89,6 +89,7 @@ import { goalAuditorSchema } from "./migrations/087-goal-auditor";
 import { hostAccessNoteSchema } from "./migrations/088-host-access-note";
 import { fileVersionsSchema } from "./migrations/089-file-versions";
 import { erasureReceiptsSchema } from "./migrations/090-erasure-receipts";
+import { requestPurposeSchema } from "./migrations/091-request-purpose";
 
 interface Migration {
   version: number;
@@ -187,6 +188,7 @@ const MIGRATIONS: Migration[] = [
   { version: 88, name: "host_access_note", sql: hostAccessNoteSchema },
   { version: 89, name: "file_versions", sql: fileVersionsSchema },
   { version: 90, name: "erasure_receipts", sql: erasureReceiptsSchema },
+  { version: 91, name: "request_purpose", sql: requestPurposeSchema },
 ];
 
 const SCHEMA_VERSION = MIGRATIONS[MIGRATIONS.length - 1].version;