fix(stats): TPM now only counts output tokens (#7827)

* fix(stats): TPM now only counts output tokens

- Add range_total_output_tokens accumulation, separate from total tokens
- Change range_avg_tpm formula to use output tokens only
- Update i18n labels to reflect Output TPM

* fix(stats): range

astrbot/dashboard/routes/stat.py

@@ -243,6 +243,7 @@ class StatRoute(Route):
             total_by_umo: dict[str, int] = defaultdict(int)
             total_by_bucket: dict[int, int] = defaultdict(int)
             range_total_tokens = 0
+            range_total_output_tokens = 0
             range_total_calls = 0
             range_success_calls = 0
             range_ttft_total_ms = 0.0
@@ -286,6 +287,7 @@ class StatRoute(Route):
                             record.end_time - record.start_time
                         ) * 1000
                         range_duration_samples += 1
+                        range_total_output_tokens += record.token_output
 
                 if created_at_local >= today_start_local:
                     today_total_calls += 1
@@ -371,7 +373,8 @@ class StatRoute(Route):
                             else 0
                         ),
                         "range_avg_tpm": (
-                            range_total_tokens / (range_duration_total_ms / 1000 / 60)
+                            range_total_output_tokens
+                            / (range_duration_total_ms / 1000 / 60)
                             if range_duration_total_ms > 0
                             else 0
                         ),

dashboard/src/i18n/locales/en-US/features/stats.json

@@ -67,7 +67,7 @@
     "callCount": "{count} calls",
     "avgTtft": "Average TTFT",
     "avgDuration": "Average Response Time",
-    "avgTpm": "Average TPM",
+    "avgTpm": "Average Output TPM",
     "successRate": "Success Rate"
   },
   "modelRanking": {

dashboard/src/i18n/locales/ru-RU/features/stats.json

@@ -67,7 +67,7 @@
     "callCount": "{count} вызовов",
     "avgTtft": "Средний TTFT",
     "avgDuration": "Среднее время ответа",
-    "avgTpm": "Средний TPM",
+    "avgTpm": "Средний Output TPM",
     "successRate": "Доля успешных вызовов"
   },
   "modelRanking": {

dashboard/src/i18n/locales/zh-CN/features/stats.json

@@ -67,7 +67,7 @@
     "callCount": "共 {count} 次调用",
     "avgTtft": "平均首字延迟（TTFT）",
     "avgDuration": "平均响应时间",
-    "avgTpm": "平均每分钟词元数（TPM）",
+    "avgTpm": "平均每分钟输出（TPM）",
     "successRate": "调用成功率"
   },
   "modelRanking": {