feat: 生图增加商品尺寸填报

server/services/prompts/common.py

@@ -133,6 +133,12 @@ def build_context(raw: dict, fallback_name: str = "", fallback_desc: str = "") -
             if len(selling_points) >= 5:
                 break
 
+    dimensions = raw.get("dimensions") or {}
+    dimension_values = (dimensions.get("length"), dimensions.get("width"), dimensions.get("height")) if isinstance(dimensions, dict) else ()
+    dimensions_line = ""
+    if len(dimension_values) == 3 and all(value is not None for value in dimension_values):
+        unit = dimensions.get("unit") or "mm"
+        dimensions_line = "L × W × H: " + " × ".join(str(value) for value in dimension_values) + f" {unit}"
     params_line = "; ".join(
         f"{p.get('key')}: {p.get('value')}" for p in (raw.get("params") or [])[:8]
     )
@@ -141,13 +147,16 @@ def build_context(raw: dict, fallback_name: str = "", fallback_desc: str = "") -
         "title_en": title,  # 采集源多为中文标题，英文场景直接用原词避免乱翻译
         "desc": desc,
         "selling_points": selling_points[:3],
-        "params_line": params_line,
+        "params_line": "; ".join(filter(None, (params_line, dimensions_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')}")
-        ),
+        "params_line_non_cjk": "; ".join(filter(None, (
+            "; ".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')}")
+            ),
+            dimensions_line,
+        ))),
         "price": raw.get("price") or "",
     }