feat(course): reset student course progress (#671)

* feat(course): add reset student course progress action

Give course admins and tutors a destructive reset-progress flow on the
student people detail page. The backend clears learner progress for one
(courseId, memberId) pair in a single transaction while keeping the
groupmember enrolled, and logs an audit summary. The dashboard shows a
confirmation dialog with impact counts from analytics before deleting.

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

* fix(i18n): add localized reset progress strings for all locales

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

* fix(course): scope reset progress to course data only

Stop deleting org-level community questions and answers during course
progress reset. Fix course newsfeed deletion order so comments on a
student's posts are removed before the posts themselves. Restrict reset
to student members, move analytics loading to the person detail layout,
and rename impact copy to course newsfeed only.

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

* fix(course): address Greptile review on reset progress

Make progressImpact opt-in via includeProgressImpact query param so
analytics requests avoid extra DB work unless the reset dialog needs it.
Count only student-authored course newsfeed posts and comments in the
impact summary to avoid double-counting replies on the student's posts.

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>

packages/core/src/services/course/course.ts

@@ -24,11 +24,15 @@ import {
   getProfileCourseProgress,
   getUserExercisesStats
 } from '@cio/db/queries/analytics/analytics';
+import { getStudentCourseProgressImpactCounts } from '@cio/db/queries/course/reset-progress';
+import { getCourseGroupId } from '@cio/db/queries/course/people';
 
 import { ContentType, ROLE } from '@cio/utils/constants';
 import type { TCourse } from '@cio/db/types';
 import type { TCourseCreate } from '@cio/utils/validation/course';
 import { db } from '@cio/db/drizzle';
+import * as schema from '@cio/db/schema';
+import { and, eq } from 'drizzle-orm';
 import { exerciseBelongsToCourse } from '@cio/db/queries/course/certification-exercise';
 import { updateExercise, updateExercisesSectionId } from '@cio/db/queries/exercise/exercise';
 import { getProfileById } from '@cio/db/queries/auth';
@@ -549,7 +553,11 @@ export async function getCourseAnalytics(courseId: string) {
  * @param userId User ID (profile ID)
  * @returns User course analytics data
  */
-export async function getUserCourseAnalytics(courseId: string, userId: string) {
+export async function getUserCourseAnalytics(
+  courseId: string,
+  userId: string,
+  options: { includeProgressImpact?: boolean } = {}
+) {
   try {
     // Get user profile
     const profile = await getProfileById(userId);
@@ -581,6 +589,28 @@ export async function getUserCourseAnalytics(courseId: string, userId: string) {
     const completedExercises = userExercisesStats.filter((exercise) => exercise.isCompleted).length;
     const totalExercises = courseProgress.exercises_count || 0;
 
+    let progressImpact = null;
+
+    if (options.includeProgressImpact) {
+      const groupId = await getCourseGroupId(courseId);
+
+      if (groupId) {
+        const [groupMember] = await db
+          .select({ id: schema.groupmember.id })
+          .from(schema.groupmember)
+          .where(and(eq(schema.groupmember.groupId, groupId), eq(schema.groupmember.profileId, userId)))
+          .limit(1);
+
+        if (groupMember) {
+          progressImpact = await getStudentCourseProgressImpactCounts({
+            courseId,
+            groupMemberId: groupMember.id,
+            profileId: userId
+          });
+        }
+      }
+    }
+
     return {
       user: {
         id: userId,
@@ -593,7 +623,8 @@ export async function getUserCourseAnalytics(courseId: string, userId: string) {
       userExercisesStats,
       totalExercises,
       completedExercises,
-      progressPercentage
+      progressPercentage,
+      progressImpact
     };
   } catch (error) {
     if (error instanceof AppError) {