feat(product-suite): add cmhub vision AI writing

app/gui/tabs/product_suite.py

@@ -54,6 +54,7 @@ from PySide6.QtWidgets import (
 
 from ... import (
     accounts,
+    ai,
     appconfig,
     diagnostics,
     image_studio,
@@ -3386,8 +3387,9 @@ class ProductSuiteTab(QWidget):
             return
         local_assets = [asset for asset in self._original_assets(state) if _asset_usable(asset)]
         if not local_assets:
-            self._message("缺少商品原图", "请先添加或拉取至少一张可用商品原图。")
+            self._message("缺少可用商品原图", "请先添加商品原图，或等待已拉取的商品原图下载完成。")
             return
+        selected_assets = local_assets[: ai.CMHUB_VISION_MAX_IMAGES]
         self._save_controls_to_state(state)
         context = (
             "商品ID：%s；平台：%s；国家地区：%s；输出语言：%s。当前已有要求：%s"
@@ -3400,15 +3402,15 @@ class ProductSuiteTab(QWidget):
             )
         )
         instruction = (
-            "请为电商商品图片生成简洁、可执行的商品卖点与画面要求。"
-            "只输出可直接用于生图的中文提示词，包含核心卖点、目标人群、使用场景和禁用元素，"
-            "不要虚构商品参数。"
+            "请为当前商品原图生成简洁、可执行的商品卖点与画面要求。"
+            "内容应包含核心卖点、目标人群、使用场景和禁用元素，不要虚构商品参数。"
         )
         state.ai_prompt_snapshot = state.prompt
         state.ai_started_at = time.monotonic()
         worker = ProductSuiteAiWriteWorker(
             instruction,
             context,
+            image_paths=[asset.local_path for asset in selected_assets],
             config=self.config,
             cmhub_config_path=self.cmhub_config_path,
         )
@@ -3419,7 +3421,10 @@ class ProductSuiteTab(QWidget):
         state.ai_thread = self._start_thread(worker, "商品套图AI帮写")
         if state is self._displayed_state:
             self._apply_running_state(state)
-        self._status("AI帮写已开始，可切换到其他套图任务", "info")
+        message = "AI帮写已开始，可切换到其他套图任务"
+        if len(local_assets) > ai.CMHUB_VISION_MAX_IMAGES:
+            message += "；已使用前%d张商品原图进行理解" % ai.CMHUB_VISION_MAX_IMAGES
+        self._status(message, "info")
 
     def cancel_ai_write(self, checked=False):
         state = self._displayed_state
@@ -3444,7 +3449,11 @@ class ProductSuiteTab(QWidget):
                     if state is self._displayed_state:
                         self._offer_pending_ai_result(state)
                     else:
-                        self._status("AI帮写已完成，切回对应套图任务后确认是否采用", "success")
+                        self._status(
+                            self._ai_write_success_message(result)
+                            + "，切回对应套图任务后确认是否采用",
+                            "success",
+                        )
                 else:
                     state.prompt = text
                     self._persist_state(state)
@@ -3454,10 +3463,22 @@ class ProductSuiteTab(QWidget):
                             self.prompt_edit.setPlainText(text)
                         finally:
                             self._loading = False
-                    self._status("AI帮写已完成", "success")
+                    self._status(self._ai_write_success_message(result), "success")
         if state is self._displayed_state:
             self._apply_running_state(state)
 
+    def _ai_write_success_message(self, result):
+        image_count = max(0, int(dict(result or {}).get("image_count", 0) or 0))
+        parts = ["AI帮写完成"]
+        if image_count:
+            parts.append("已理解%d张商品原图" % image_count)
+        metadata = dict(dict(result or {}).get("metadata") or {})
+        if metadata.get("points_cost") is not None:
+            parts.append("图片理解扣点%s" % metadata["points_cost"])
+        if metadata.get("points_balance") is not None:
+            parts.append("当前余额%s" % metadata["points_balance"])
+        return "：".join(parts[:2]) + ("，" + "，".join(parts[2:]) if len(parts) > 2 else "")
+
     def _offer_pending_ai_result(self, state):
         if not state.pending_ai_text:
             return