feat(cohorts): rename Programs to Cohorts with data migration (#694)

* feat(cohorts): rename Programs to Cohorts with data migration

- Add cohort database tables and Drizzle migration alongside legacy program tables
- Introduce migrate-programs-to-cohorts script to copy existing program data safely
- Rename API routes (/cohort), services, queries, validation, and error codes
- Rename dashboard feature module, routes (/cohorts), navigation, and translations
- Update docs, emails, and internal compliance cron endpoints for cohort terminology
- Keep legacy program tables in place for rollback until explicitly removed

Co-authored-by: Rotimi Best <[email protected]>

* fix(db): restore migrate:answer-data script alongside cohort migration

Co-authored-by: Rotimi Best <[email protected]>

* fix(db): cast program enums when migrating data to cohort tables

Co-authored-by: Rotimi Best <[email protected]>

* fix(db): truncate cohort tables before program-to-cohort copy

Co-authored-by: Rotimi Best <[email protected]>

* fix(db): report accurate row counts in programs-to-cohorts migration

Co-authored-by: Rotimi Best <[email protected]>

---------

Co-authored-by: Cursor Agent <[email protected]>
Co-authored-by: Rotimi Best <[email protected]>

apps/api/src/app.ts

@@ -31,7 +31,7 @@ import { organizationRouter } from '@api/routes/organization';
 import { organizationSsoRouter } from '@api/routes/organization/sso';
 import { organizationTokenAuthRouter } from '@api/routes/organization/token-auth';
 import { prettyJSON } from 'hono/pretty-json';
-import { programRouter } from '@api/routes/program';
+import { cohortRouter } from '@api/routes/cohort';
 import { publicCourseRouter } from '@api/routes/org-site';
 import { publicWidgetsRouter } from '@api/routes/widgets';
 import rateLimiter from '@api/middlewares/rate-limiter';
@@ -232,7 +232,7 @@ export const app = new Hono()
   .route('/invite', inviteRouter)
   .route('/org-site/course', publicCourseRouter)
   .route('/public-api/v1', v1Router)
-  .route('/program', programRouter)
+  .route('/cohort', cohortRouter)
   .route('/unsplash', unsplashRouter)
   .route('/widgets', publicWidgetsRouter)
   .route('/internal', internalRouter)