feat: 优化图片资源删除管理，生图任务列表管理

server/services/prompts/alibaba.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from .common import (
-    STYLE_SETS, TEXT_RENDER, requirements_block, resolve_style, selling_point_lines,
+    STYLE_SETS, TEXT_RENDER, params_line_for_output, requirements_block, resolve_style, selling_point_lines,
 )
 
 # ── 公共组件（主体参考语义专用）────────────────────────────────────────────
@@ -85,7 +85,7 @@ def _prompt_multi_scene(ctx: dict, style: dict, lang: str) -> str:
 
 def _prompt_ecommerce_detail(ctx: dict, style: dict, lang: str) -> str:
     sp = selling_point_lines(ctx, lang) or ctx["title"]
-    params = ctx["params_line"]
+    params = params_line_for_output(ctx, lang)
     return (
         f"E-commerce detail-page hero section for product \"{ctx['title']}\", square layout: "
         f"top half is a hero banner with the product at a 3/4 angle ({style['bg']}); "
@@ -95,7 +95,7 @@ def _prompt_ecommerce_detail(ctx: dict, style: dict, lang: str) -> str:
     )
 
 def _prompt_size_chart(ctx: dict, style: dict, lang: str) -> str:
-    dims = ctx["params_line"]
+    dims = params_line_for_output(ctx, lang)
     return (
         f"Product size chart infographic for \"{ctx['title']}\": product shown in clean front and side views "
         f"on light background, with thin measurement annotation lines (arrows) marking length, width and height, "
@@ -115,15 +115,9 @@ def _prompt_sku_collection(ctx: dict, style: dict, lang: str) -> str:
 
 def _prompt_custom(ctx: dict, style: dict, lang: str, extra: dict) -> str:
     hint = (extra.get("prompt_hint") or "").strip()
-    purpose = extra.get("title") or ""
-    detail = extra.get("detail") or ""
     bg = f" {style['bg']} as environment." if style.get("bg") else ""
-    composed = (
-        f"E-commerce marketing image for product \"{ctx['title']}\""
-        + (f" — {purpose}" if purpose else "")
-        + (f": {detail}" if detail else "")
-        + "."
-    )
+    # title/detail 是规划器给前端展示的中文文案；只使用约定为英文的 prompt_hint，避免它们变成图中文字。
+    composed = f"E-commerce marketing image for product \"{ctx['title']}\"."
     if hint:
         composed += f" Composition: {hint}."
     return f"{composed}{bg} {style['tone']}. {TEXT_RENDER[lang]} {QUALITY} {PRODUCT_REF_LOCK}"