feat(gui): add task deletion menus

app/gui/tabs/generate.py

@@ -982,6 +982,7 @@ class GenerateTab(QWidget):
         cover_prompts_dir=None,
         title_templates_dir=None,
         open_accounts_callback=None,
+        refresh_workflow_callback=None,
     ):
         super().__init__(parent)
         self.config = appconfig.load_config(config_path or appconfig.CONFIG_PATH) if config is None else config
@@ -993,6 +994,7 @@ class GenerateTab(QWidget):
         self.db_path = _database_path(db_path, self.config)
         self.status_callback = status_callback
         self.open_accounts_callback = open_accounts_callback
+        self.refresh_workflow_callback = refresh_workflow_callback
         self.title_prompt_path = title_prompt_path or appconfig.title_prompt_path(self.config)
         self.cover_prompts_dir = cover_prompts_dir or appconfig.cover_prompts_dir(self.config)
         self.title_templates_dir = title_templates_dir or appconfig.title_templates_dir(self.config)
@@ -1185,6 +1187,7 @@ class GenerateTab(QWidget):
         self.task_table.setSelectionBehavior(QAbstractItemView.SelectRows)
         self.task_table.setSelectionMode(QAbstractItemView.ExtendedSelection)
         self.task_table.setEditTriggers(QAbstractItemView.DoubleClicked | QAbstractItemView.EditKeyPressed)
+        self.task_table.setContextMenuPolicy(Qt.CustomContextMenu)
         self.task_table.horizontalHeader().setSectionResizeMode(QHeaderView.Interactive)
         self.task_table.horizontalHeader().setStretchLastSection(False)
         self.task_table.verticalHeader().setVisible(False)
@@ -1271,6 +1274,7 @@ class GenerateTab(QWidget):
         self.stop_generate_button.clicked.connect(self.stop_generate)
         self.reset_generate_button.clicked.connect(self.reset_generated_result)
         self.task_table.leftDoubleClicked.connect(self.show_task_images)
+        self.task_table.customContextMenuRequested.connect(self.show_task_context_menu)
 
         self.refresh_title_templates()
         self.refresh_cover_templates()
@@ -1937,6 +1941,83 @@ class GenerateTab(QWidget):
             f"已重置生成结果：{len(target_tasks)} 条，内容：{label}，run_id={run_id}"
         )
 
+    def show_task_context_menu(self, position):
+        index = self.task_table.indexAt(position)
+        if not index.isValid():
+            return
+        self.task_table.selectRow(index.row())
+        self.task_table.setCurrentIndex(index)
+        task = self.model.task_at(index.row())
+        if task is None:
+            return
+        menu = QMenu(self.task_table)
+        delete_action = menu.addAction("删除本条记录")
+        delete_action.setEnabled(
+            self.generate_thread is None and getattr(task, "status", "") != "running"
+        )
+        delete_action.triggered.connect(self.delete_selected_task)
+        menu.exec(self.task_table.viewport().mapToGlobal(position))
+
+    def delete_selected_task(self, checked=False):
+        if self.generate_thread is not None:
+            self._set_status("AI 生成正在进行，不能删除记录", level="warning")
+            return
+        task = self._selected_task()
+        if task is None:
+            self._set_status("请选择要删除的记录", level="warning")
+            return
+        if getattr(task, "status", "") == "running":
+            self._set_status("任务正在处理，不能删除", level="warning")
+            return
+        batch = db.get_batch(task.batch_id, path=self.db_path)
+        batch_text = self._batch_label(batch) if batch is not None else task.batch_id
+        lines = [
+            "确定要删除本条本地记录吗？",
+            f"商品ID：{task.item_id}",
+            f"店铺：{self.model.account_name_for(task)}（{task.alias}）",
+            f"所属批次：{batch_text}",
+        ]
+        if int(getattr(task, "committed", 0) or 0) == 1:
+            lines.extend(
+                [
+                    "",
+                    "该商品已提交过蝦皮。本次仅删除本地记录，不会回滚蝦皮线上商品。",
+                ]
+            )
+        lines.extend(
+            [
+                "",
+                "删除后，该记录不会出现在①、②、③的列表、筛选、采集、生成、更新或回写范围。",
+                "不会删除原 Excel、本地图片或账号 Chrome 数据。",
+            ]
+        )
+        answer = QMessageBox.question(
+            self,
+            "删除本条记录",
+            "\n".join(lines),
+            QMessageBox.Yes | QMessageBox.No,
+            QMessageBox.No,
+        )
+        if answer != QMessageBox.Yes:
+            self._set_status("已取消删除本条记录")
+            return
+        try:
+            result = db.delete_task(
+                task.id,
+                reason="用户在AI生成页删除单条记录",
+                path=self.db_path,
+            )
+        except Exception as exc:
+            QMessageBox.warning(self, "删除本条记录", str(exc))
+            self._set_status(f"删除本条记录失败：{exc}", level="danger")
+            return
+        self.refresh_tasks()
+        if self.refresh_workflow_callback is not None:
+            self.refresh_workflow_callback()
+        message = f"已删除本地记录：商品 {result['item_id']}"
+        self._set_status(message, level="success")
+        QMessageBox.information(self, "删除本条记录", message)
+
     def _reset_scope_tasks(self):
         selection = self.task_table.selectionModel()
         selected_rows = []