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 <rotimi-best@users.noreply.github.com>

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

Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>

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

Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>

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

Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>

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

Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>

apps/api/src/services/organization/search.ts

@@ -1,17 +1,17 @@
 import {
   searchLmsCourses,
-  searchLmsPrograms,
+  searchLmsCohorts,
   searchOrgAudience,
   searchOrgCourses,
-  searchOrgPrograms,
+  searchOrgCohorts,
   searchOrgTagsAndGroups,
   searchOrgWidgets
 } from '@cio/db/queries';
 
 export async function searchOrganization(orgId: string, search: string, limit: number) {
-  const [courses, programs, widgets, tags, audience] = await Promise.all([
+  const [courses, cohorts, widgets, tags, audience] = await Promise.all([
     searchOrgCourses(orgId, search, limit),
-    searchOrgPrograms(orgId, search, limit),
+    searchOrgCohorts(orgId, search, limit),
     searchOrgWidgets(orgId, search, limit),
     searchOrgTagsAndGroups(orgId, search, limit),
     searchOrgAudience(orgId, search, limit)
@@ -19,7 +19,7 @@ export async function searchOrganization(orgId: string, search: string, limit: n
 
   return {
     courses,
-    programs,
+    cohorts,
     widgets,
     tags,
     audience
@@ -27,13 +27,13 @@ export async function searchOrganization(orgId: string, search: string, limit: n
 }
 
 export async function searchLmsOrganization(orgId: string, profileId: string, search: string, limit: number) {
-  const [courses, programs] = await Promise.all([
+  const [courses, cohorts] = await Promise.all([
     searchLmsCourses(orgId, profileId, search, limit),
-    searchLmsPrograms(orgId, profileId, search, limit)
+    searchLmsCohorts(orgId, profileId, search, limit)
   ]);
 
   return {
     courses,
-    programs
+    cohorts
   };
 }