AI Implementation feature(910): Scoreboard: Ranking, Matrix, Event Log and Score Graph 1.00 (#53)

backend/src/modules/challenges/challenges.service.ts

@@ -373,6 +373,8 @@ export class ChallengesService {
 
       this.publishSolveEvent({
         challengeId,
+        challengeName: challenge.name,
+        categoryAbbreviation: challenge.abbreviation ?? '',
         userId: currentUserId,
         username: solvers.find((s) => s.userId === currentUserId)?.username ?? '',
         awardedPoints,
@@ -405,6 +407,8 @@ export class ChallengesService {
 
   private publishSolveEvent(input: {
     challengeId: string;
+    challengeName: string;
+    categoryAbbreviation: string;
     userId: string;
     username: string;
     awardedPoints: number;
@@ -422,6 +426,8 @@ export class ChallengesService {
       this.hub.emitScoreboard({
         topic: 'solve',
         challengeId: input.challengeId,
+        challengeName: input.challengeName,
+        categoryAbbreviation: input.categoryAbbreviation,
         userId: input.userId,
         playerId: input.userId,
         playerName: input.username,

backend/src/modules/challenges/dto/challenges.dto.ts

@@ -81,6 +81,8 @@ export interface ChallengeDetailDto {
 
 export interface SolveEventPayload {
   challengeId: string;
+  challengeName: string;
+  categoryAbbreviation: string;
   playerId: string;
   playerName: string;
   awardedPoints: number;

backend/src/modules/challenges/events.controller.ts

@@ -28,8 +28,9 @@ export class ChallengesEventsController {
    * Emits NestJS MessageEvent objects with the proper `type` field so the
    * wire format is `event: <type>\ndata: <JSON>\n\n`:
    *   - event: status, payload = { state, server_time_utc, event_start_utc, event_end_utc, seconds_to_start, seconds_to_end }
-   *   - event: solve,  payload = { challenge_id, player_id, player_name, awarded_points, rank_bonus, awarded_at_utc,
-   *                                position, live_points, solve_count, initial_points, minimum_points, decay_solves }
+   *   - event: solve,  payload = { challenge_id, challenge_name, category_abbreviation, player_id, player_name,
+   *                                awarded_points, rank_bonus, awarded_at_utc, position, live_points, solve_count,
+   *                                initial_points, minimum_points, decay_solves }
    * Source of truth: every transition of the event window is broadcast by
    * the admin general service through SseHubService.event$(). Solves are
    * published by ChallengesService through SseHubService.scoreboard$().
@@ -78,6 +79,8 @@ export class ChallengesEventsController {
       type: 'solve',
       data: {
         challenge_id: s?.challengeId,
+        challenge_name: s?.challengeName ?? '',
+        category_abbreviation: s?.categoryAbbreviation ?? '',
         player_id: s?.playerId ?? s?.userId,
         player_name: s?.playerName ?? '',
         awarded_points: s?.awardedPoints ?? s?.pointsAwarded,