feat: 优化图片资源删除管理，生图任务列表管理

server/schemas/product.py

@@ -18,6 +18,8 @@ class ProductListItem(BaseModel):
     currency_code: str = "RUB"
     source_platform: str | None = None
     source_url: str | None = None
+    # 采集箱显示中文标题：优先 raw.title_zh，兼容早期采集写入的 raw.title。
+    raw: dict | None = None
     asset_counts: dict | None = None
     ozon_product_id: int | None = None
     created_at: datetime

server/schemas/suite.py

@@ -1,6 +1,7 @@
 """套图规划 / 一键生成 / 单张 AI 生图 契约（studio/src/services/suite.ts 同源，见 docs/v2.1/api.md）。"""
 from __future__ import annotations
 
+from datetime import datetime
 from typing import Literal
 
 from pydantic import BaseModel, Field
@@ -61,7 +62,7 @@ PLATFORM_SPECS: dict[str, dict] = {
 
 
 class TextMaterial(BaseModel):
-    kind: str = Field(..., description="title | params | selling_point | desc | price | brand | sales | shop")
+    kind: str = Field(..., description="title | title_ru | params | selling_point | desc | price | brand | sales | shop")
     content: str = ""
     pairs: list[dict] | None = None  # [{key, value}]
 
@@ -135,6 +136,7 @@ class SuiteCreateResponse(BaseModel):
 
 
 class SuiteImageOut(BaseModel):
+    item_id: str
     type_id: str
     name: str
     url: str
@@ -145,6 +147,7 @@ class SuiteImageOut(BaseModel):
 class SuiteOut(BaseModel):
     id: str
     status: str
+    kind: str = "image_suite"
     style_set: int
     platform: str
     lang: str
@@ -152,6 +155,12 @@ class SuiteOut(BaseModel):
     provider: str
     model: str | None = None
     total: int = 0  # 计划总张数（进度分母；images 是逐张追加，过程中 length < total）
+    completed: int = 0
+    failed: int = 0
+    cancel_requested: bool = False
+    created_at: datetime | None = None
+    started_at: datetime | None = None
+    completed_at: datetime | None = None
     images: list[SuiteImageOut]
     error: str | None = None
 
@@ -160,15 +169,17 @@ class ImageEditSingleRequest(BaseModel):
     """POST /api/suite/image-edit：单张 AI 生图（试算页每张图的「AI 生图」入口）。"""
     product_id: str | None = Field(default=None, description="append=true 时回写到该商品的 generated 组")
     image_url: str = Field(..., description="原图（stored_url 或 source_url，远程由服务端带 Referer 代下）")
-    prompt: str = Field(..., min_length=1, description="用户要求（必填，进生图指令）")
+    prompt: str = Field(default="", description="用户要求（可选，作为额外生图指令）")
     model: str = Field(default="nano-banana-2")
     append: bool = Field(default=True, description="结果是否追加为商品素材（generated 组）")
     after_asset_id: str | None = Field(
         default=None,
         description="插入锚点：新素材排在该素材（generated 组）之后，方便与原图对比；缺省追加到组尾",
     )
+    watermark: WatermarkOptions | None = Field(default=None, description="单张生图完成后的服务端水印；关闭时不传")
 
 
-class ImageEditSingleResponse(BaseModel):
-    url: str
-    asset_id: str | None = None
+class ImageEditTaskResponse(BaseModel):
+    """单张编辑已进入统一图片任务队列；用 GET /api/suites/{suite_id} 查询结果。"""
+
+    suite_id: str