feat: 优化模特上身图多图与裤长策略

core/backend/apps/ai/services.py

@@ -1074,7 +1074,7 @@ def _build_model_tryon_prompt_v2(
     )
     prompt = plan.prompts[index]
     trace = {
-        "version": "v2.2",
+        "version": "v2.5",
         "applied": True,
         "rollout_source": rollout_source,
         "effective_prompt": prompt,
@@ -2946,7 +2946,7 @@ def run_standalone_image_task(*, task_id: str) -> None:
                 )
             except Exception as exc:  # noqa: BLE001 — 规划器异常时安全回落旧提示词，不让已预扣任务悬空
                 tryon_prompt_trace = {
-                    "version": "v2.2",
+                    "version": "v2.5",
                     "applied": False,
                     "rollout_source": tryon_rollout_source,
                     "effective_prompt": legacy_prompt,
@@ -2985,7 +2985,7 @@ def run_standalone_image_task(*, task_id: str) -> None:
     elif mode == "model" and product_id and tryon_rollout_source is not None:
         # 没有真实商品参考图时维持原纯文生图行为，但明确留下未应用原因，不能伪装成 V2 已生效。
         tryon_prompt_trace = {
-            "version": "v2.2",
+            "version": "v2.5",
             "applied": False,
             "rollout_source": tryon_rollout_source,
             "effective_prompt": prompt,