fix: Wire real data sources across players, analytics, status, and maps services

- players: Primary data from player_sessions (online status, playtime aggregates);
  ban/unban status overlaid from player_actions latest action per steam_id.
  Register PlayerSession entity in PlayersModule. Extend NATS forwarding to
  include 'unban' alongside kick and ban.
- analytics: Fix retention period boundary bug — sessions were queried with only
  a lower-bound filter (MoreThan), causing all future cycles to bleed into earlier
  wipe windows. Replaced with Between(wipeDate, endDate) for correct isolation.
- status: Replace hardcoded player_count=0/max_players=0 with live data from
  most-recent server_stats row per license. Register ServerStats entity in
  StatusModule. Falls back to 0 gracefully when no stats exist yet.
- maps: File buffer was computed and discarded — never written to disk.
  Now writes to /app/map_data/{licenseId}/{timestamp}_{filename} (tenant-isolated,
  docker volume map_data). Creates directories with mkdirSync(recursive:true).
  Logs success/failure via NestJS Logger. Throws 500 on disk write failure
  instead of silently losing data.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend-nest/src/modules/players/players.module.ts

@@ -3,10 +3,11 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { PlayersController } from './players.controller';
 import { PlayersService } from './players.service';
 import { PlayerAction } from '../../entities/player-action.entity';
+import { PlayerSession } from '../../entities/player-session.entity';
 import { NatsService } from '../../services/nats.service';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([PlayerAction])],
+  imports: [TypeOrmModule.forFeature([PlayerAction, PlayerSession])],
   controllers: [PlayersController],
   providers: [PlayersService, NatsService],
   exports: [PlayersService],