feat: 优化图片资源删除管理，生图任务列表管理

server/services/prompts/common.py

@@ -12,27 +12,27 @@ import re
 STYLE_SETS: dict[int, dict] = {
     1: {
         "name": "北欧极简",
-        "tone": "北欧极简风：浅灰或米白背景，柔和漫射光，低饱和色调，画面留白充足，构图克制干净",
+        "tone": "Nordic minimalism: light gray or warm off-white background, soft diffused light, low-saturation palette, generous negative space, restrained and clean composition",
         "bg": "",
     },
     2: {
         "name": "清新明亮",
-        "tone": "清新明亮风：明亮的白色到浅蓝渐变背景，高调光线，色彩明快通透，整体轻盈干净",
+        "tone": "Fresh and bright: white-to-pale-blue gradient background, high-key lighting, clear luminous colors, airy and uncluttered composition",
         "bg": "",
     },
     3: {
         "name": "高级感深色",
-        "tone": "高级质感风：深灰或炭黑背景，戏剧性侧光打光，突出商品材质与光泽，沉稳高级",
+        "tone": "Premium dark aesthetic: deep gray or charcoal background, dramatic side lighting, emphasize material texture and sheen, refined and restrained mood",
         "bg": "",
     },
     4: {
         "name": "暖调生活",
-        "tone": "温暖生活风：暖米色背景，暖色灯光氛围，温馨的家居质感，亲和力强",
+        "tone": "Warm lifestyle: warm beige background, cozy warm lighting, inviting home-living texture, approachable and natural atmosphere",
         "bg": "",
     },
     5: {
         "name": "纯净棚拍",
-        "tone": "标准电商棚拍：纯色浅背景，均匀的正面柔光，无杂物干扰，商品居中突出",
+        "tone": "Clean e-commerce studio: plain light background, even frontal softbox lighting, no distracting props, product centered and prominent",
         "bg": "",
     },
 }
@@ -70,6 +70,9 @@ TEXT_RENDER = {
         "Render concise Russian marketing text inside the image: headline max 4 words, "
         "sub-lines max 6 words each, modern clean sans-serif (Inter / PT Sans style), "
         "proper Cyrillic typography, high legibility, tasteful layout, colors harmonized with the composition. "
+        "Translate any Chinese source facts into Russian before rendering. All newly generated visible text "
+        "must be Russian Cyrillic only: never render Chinese, Hanzi, CJK characters, or Chinese phrases. "
+        "The sole exception is Chinese text physically printed on the reference product itself, which must remain unchanged. "
         "No spelling errors, no mixed latin/cyrillic gibberish."
     ),
 }
@@ -86,8 +89,8 @@ def requirements_block(requirements: str | None) -> str:
     """用户强制要求块：最高优先级、置于提示词最前、覆盖冲突指令（原文保留不翻译）。"""
     if requirements and requirements.strip():
         return (
-            "STRICT REQUIREMENTS (highest priority, must be followed exactly, "
-            "override any conflicting instruction): "
+            "STRICT REQUIREMENTS (highest priority for visual intent; interpret any Chinese source instruction "
+            "by meaning only and never copy its Hanzi into newly generated text): "
             + requirements.strip().rstrip(".")
             + "."
         )
@@ -110,7 +113,8 @@ def build_context(raw: dict, fallback_name: str = "", fallback_desc: str = "") -
 
     raw: {title, desc, price, params: [{key, value}], sellingPoints}
     """
-    title = _clean_title(raw.get("title") or fallback_name or "product")
+    # 试算页会同时上传中文采集标题和已回填的俄文标题；后者用于图内可见文案。
+    title = _clean_title(raw.get("title_ru") or raw.get("title") or fallback_name or "product")
     desc = _shorten(raw.get("desc") or fallback_desc or "", 200)
 
     # 卖点：优先显式卖点文本；否则从参数表里挑短而有信息量的键值对
@@ -138,6 +142,12 @@ def build_context(raw: dict, fallback_name: str = "", fallback_desc: str = "") -
         "desc": desc,
         "selling_points": selling_points[:3],
         "params_line": params_line,
+        # 俄文图片里不能直接渲染中文参数；保留不含汉字的规格（型号、数字、单位）供尺寸图使用。
+        "params_line_non_cjk": "; ".join(
+            f"{p.get('key')}: {p.get('value')}"
+            for p in (raw.get("params") or [])[:8]
+            if not re.search(r"[\u3400-\u9fff]", f"{p.get('key')} {p.get('value')}")
+        ),
         "price": raw.get("price") or "",
     }
 
@@ -147,7 +157,16 @@ def selling_point_lines(ctx: dict, lang: str, max_n: int = 3) -> str:
     if not sps:
         return ""
     key = "zh" if lang == "zh" else "en"
-    return "; ".join(s[key] for s in sps if s.get(key))
+    values = [s[key] for s in sps if s.get(key)]
+    # 中文卖点是模型理解商品的来源，不应成为俄文图片中的逐字文案。
+    if lang == "ru":
+        values = [v for v in values if not re.search(r"[\u3400-\u9fff]", v)]
+    return "; ".join(values)
+
+
+def params_line_for_output(ctx: dict, lang: str) -> str:
+    """返回可进入图内规格文案的参数；俄文模式剔除含汉字的原始采集参数。"""
+    return ctx.get("params_line") if lang == "zh" else ctx.get("params_line_non_cjk", "")
 
 
 def type_name(type_id: str) -> str: