feat: 视觉风格修改

server/api/products.py

@@ -179,6 +179,7 @@ async def list_assets(
             "width": a.width,
             "height": a.height,
             "error": a.error,
+            "created_at": a.created_at,
         }
         for a in rows
     ]

server/schemas/suite.py

@@ -148,11 +148,13 @@ class SuiteCreateResponse(BaseModel):
 
 class SuiteImageOut(BaseModel):
     item_id: str
+    asset_id: str | None = None
     type_id: str
     name: str
     url: str
     status: str
     error: str | None = None
+    completed_at: datetime | None = None
 
 
 class SuiteOut(BaseModel):

server/services/jobs.py

@@ -489,11 +489,12 @@ def suite_view(job: BackgroundJob, items: list[BackgroundJobItem]) -> dict[str,
         "created_at": job.created_at, "started_at": job.started_at, "completed_at": job.completed_at,
         "images": [
             {
+                "asset_id": str(item.generated_asset_id) if item.generated_asset_id else None,
                 "type_id": (item.payload or {}).get("kind", "custom"),
                 "item_id": str(item.id),
                 "name": (item.payload or {}).get("title", "AI 生图"),
                 "url": item.result_url or "", "status": item.status,
-                "error": item.error,
+                "error": item.error, "completed_at": item.completed_at,
             }
             for item in items
         ],

server/services/prompts/common.py

@@ -12,27 +12,27 @@ import re
 STYLE_SETS: dict[int, dict] = {
     1: {
         "name": "北欧极简",
-        "tone": "Nordic minimalism: light gray or warm off-white background, soft diffused light, low-saturation palette, generous negative space, restrained and clean composition",
+        "tone": "Nordic editorial e-commerce style for contextual and marketing images only: warm ivory or light greige base, soft window daylight with a subtle warm practical-light accent, low-saturation natural palette, pale wood and tactile linen details, spacious orderly composition, and at most one or two restrained lifestyle props. Keep the product exact and prominent. When text is requested, reserve a clean top text-safe zone with a clear headline-first hierarchy. Never override a task-mandated pure-white background, no-text, or no-props instruction",
         "bg": "",
     },
     2: {
         "name": "清新明亮",
-        "tone": "Fresh and bright: white-to-pale-blue gradient background, high-key lighting, clear luminous colors, airy and uncluttered composition",
+        "tone": "Fresh, bright, family-friendly e-commerce style for contextual and marketing images only: crisp white with pale sky-blue, mint, or other accents sampled from the product palette; high-key daylight, luminous but natural color, soft clean shadows, airy mobile-first composition, and a cheerful polished retail mood. When text is requested, use a generous top text-safe zone, one bold headline plus one short supporting line or pill, and small simple accent icons only when they clarify a real feature. Never override a task-mandated pure-white background, no-text, or no-props instruction",
         "bg": "",
     },
     3: {
         "name": "高级感深色",
-        "tone": "Premium dark aesthetic: deep gray or charcoal background, dramatic side lighting, emphasize material texture and sheen, refined and restrained mood",
+        "tone": "Premium dark editorial e-commerce style for contextual and marketing images only: deep charcoal, graphite, or near-black setting; sculpted side and rim light; controlled contrast; realistic material texture and sheen; one restrained tonal prop at most; refined, quiet, high-end mood. Let a single product-derived color accent carry the composition. When text is requested, keep a large high-contrast headline in a deliberate text-safe area and a minimal icon or specification row. Never override a task-mandated pure-white background, no-text, or no-props instruction",
         "bg": "",
     },
     4: {
         "name": "暖调生活",
-        "tone": "Warm lifestyle: warm beige background, cozy warm lighting, inviting home-living texture, approachable and natural atmosphere",
+        "tone": "Warm, cozy lifestyle e-commerce style for contextual and marketing images only: a believable cream, ivory, or warm-beige home setting; soft golden lamp light balanced with gentle window daylight; tactile bedding, knit, or natural wood texture; comforting and approachable atmosphere. Stage one simple usage story with the product as the unquestioned hero; use only category-relevant props and, if appropriate, a natural hand or person interacting with it. For family or children products, a softly styled nursery or bedroom is suitable. When text is requested, use a top headline zone, bold rounded sans-serif lettering, a short secondary pill or line, and small friendly feature icons. Never override a task-mandated pure-white background, no-text, or no-props instruction",
         "bg": "",
     },
     5: {
         "name": "纯净棚拍",
-        "tone": "Clean e-commerce studio: plain light background, even frontal softbox lighting, no distracting props, product centered and prominent",
+        "tone": "Clean conversion-focused e-commerce studio style: seamless pure white or very light neutral background only where the task permits, even frontal softbox lighting with a subtle natural contact shadow, faithful color, crisp edge separation, and product filling the frame at a readable scale. No decorative props, lifestyle scenery, artificial reflections, or visual clutter. If the task explicitly requires copy or specifications, use a precise grid, a clear headline-first hierarchy, and sparse line icons; otherwise show no text. Never alter the product or contradict a task-specific background instruction",
         "bg": "",
     },
 }