feat: add real detail views for stats pages

admin/dashboard/blueprints/stats.py

@@ -76,6 +76,37 @@ def api_group_stats():
         return jsonify({"success": False, "error": str(e)}), 500
 
 
+@stats_bp.route('/api/user_stats/<path:user_id>')
+@login_required
+def api_user_stats_detail(user_id):
+    try:
+        server = current_app.dashboard_server
+        days = request.args.get('days', 30, type=int)
+        summary = server.stats_db.get_user_plugin_summary(user_id, days)
+        plugin_stats = server.stats_db.get_user_plugin_stats(user_id, days, limit=10)
+        success_rate = round(
+            (summary["success_calls"] / summary["total_calls"] * 100),
+            2
+        ) if summary["total_calls"] else 0.0
+
+        return jsonify({
+            "success": True,
+            "data": {
+                "user_id": user_id,
+                "user_name": server.contact_manager.get_nickname(user_id) or user_id,
+                "days": days,
+                "summary": {
+                    **summary,
+                    "success_rate": success_rate,
+                },
+                "plugin_stats": plugin_stats,
+            }
+        })
+    except Exception as e:
+        logger.error(f"获取用户统计详情失败: {e}")
+        return jsonify({"success": False, "error": str(e)}), 500
+
+
 @stats_bp.route('/api/plugin_stats')
 @login_required
 def api_plugin_stats():