feat(identity): close free-task progress, level card, hot threshold

Finish remaining 1:1 parity gaps: free-task done/progress DTO with
daily marks, user-center level/integral card UI, configurable forum
hot recommend threshold, and task progress bars.

assets/admin/src/schema/sections/forum/credits.js

@@ -11,6 +11,7 @@ export const creditsSchema = {
     bbs_credits_score_extra: 3,
     bbs_credits_essence: 10,
     bbs_credits_posts_hot: 5,
+    bbs_hot_recommend_threshold: 500,
     bbs_credits_adopted: 20,
     bbs_credits_daily_max: 50,
   },
@@ -27,6 +28,7 @@ export const creditsSchema = {
         { key: 'bbs_credits_score_extra', label: '被加分', type: 'number', default: 3, min: 0 },
         { key: 'bbs_credits_essence', label: '被设精华', type: 'number', default: 10, min: 0 },
         { key: 'bbs_credits_posts_hot', label: '成为热帖', type: 'number', default: 5, min: 0 },
+        { key: 'bbs_hot_recommend_threshold', label: '热帖推荐分阈值', type: 'number', default: 500, min: 1, help: '推荐分达到该值触发热帖奖励与勋章累计' },
         { key: 'bbs_credits_adopted', label: '被采纳', type: 'number', default: 20, min: 0 },
         { key: 'bbs_credits_daily_max', label: '每日积分上限', type: 'number', default: 50, min: 0, help: '0 = 不限' },
       ],

assets/css/routes/user-center/credits.css

@@ -993,3 +993,49 @@ body.uc-modal-open {
 .uc-badges-item .medal-icon { width: 28px; height: 28px; object-fit: contain; }
 .uc-badges-wear-tag { margin-left: 6px; }
 .uc-badges-empty { padding: 16px 0; text-align: center; }
+
+
+/* Level / integral card */
+.uc-level-card {
+  margin: 16px 0;
+  padding: 16px;
+  border-radius: 12px;
+  background: linear-gradient(135deg, rgba(240,68,148,.12), rgba(99,102,241,.10));
+  position: relative;
+  overflow: hidden;
+}
+.uc-level-card__badge { margin-top: 12px; }
+.uc-level-card .progress,
+.integral-progress.progress {
+  height: 8px;
+  border-radius: 999px;
+  background: rgba(127,127,127,.18);
+  overflow: hidden;
+}
+.uc-level-card .progress-bar {
+  height: 100%;
+  border-radius: 999px;
+  background: linear-gradient(90deg, #f04494, #6366f1);
+}
+.uc-level-growth__row {
+  display: grid;
+  grid-template-columns: 56px 1fr auto;
+  gap: 8px;
+  padding: 6px 0;
+  border-bottom: 1px solid rgba(127,127,127,.12);
+  font-size: 12px;
+}
+.uc-level-growth__row.is-done { opacity: .7; }
+.uc-level-growth__row.is-next { font-weight: 700; color: var(--focus-color, #f04494); }
+.uc-points-tasks__row.is-done { opacity: .72; }
+.uc-points-tasks__progress-bar {
+  height: 6px;
+  border-radius: 999px;
+  background: rgba(127,127,127,.16);
+  overflow: hidden;
+}
+.uc-points-tasks__progress-bar > span {
+  display: block;
+  height: 100%;
+  background: linear-gradient(90deg, #22c55e, #16a34a);
+}