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docs/SPEC_WEB_UI.md

@@ -10,7 +10,7 @@ Image and video generation from prompts and optional reference images.
 
 **A. 图片** — 0–3 张参考图 + 提示词 → 一张图。思考强度三档（Flash minimal / Flash high / Pro high）；模型 ID 与 `thinking_level` 见后端。宽高比、分辨率见 `generation_options.json`。
 
-**B. 视频** — 0–3 张参考图 + 提示词 → 短视频。Veo 模型可配置；Lite **`supports_reference_images: false`**。有参考图时时长 **8s**；仅文案时 4/6/8s（以 API 为准）。
+**B. 视频** — 0–3 张参考图 + 提示词 → 短视频。Veo 模型可配置；**Veo 3.1 Lite** 在配置中设 **`supports_reference_images: false`**。有参考图时时长 **8s**；仅文案时 4/6/8s（以 API 为准）。
 
 **C. 首尾过渡** — 起始帧必填 + 提示词；结尾帧可选或「与起始相同」。时长 **固定 8s**。
 

docs/WEB_DEV_GUIDE.md

@@ -40,7 +40,7 @@ export SESSION_SECRET="$(openssl rand -hex 32)"
 Edit **`web/config/generation_options.json`** (or path from `GENERATION_OPTIONS_PATH`). UI loads it via **`GET /api/config/generation-options`** after login. JSON-only changes need no frontend rebuild.
 
 - **`image`**: `models`, `aspect_ratios`, `resolutions`.
-- **`video`** / **`video_frames`**: `models`, `aspect_ratios`, `resolutions`, `durations_seconds`. On **`video`**, **`supports_reference_images: false`** hides reference images (e.g. Veo Lite). With reference images, duration is **8s**. **首尾帧** route is always **8s**.
+- **`video`** / **`video_frames`**: `models`, `aspect_ratios`, `resolutions`, `durations_seconds`. On **`video`**, **`supports_reference_images: false`** hides reference images (e.g. Veo 3.1 Lite). With reference images, duration is **8s**. **首尾帧** route is always **8s**.
 
 ## Build frontend
 

gen_video_image_start_end.py

@@ -36,7 +36,7 @@ def parse_args() -> argparse.Namespace:
     )
     parser.add_argument(
         "--model",
-        default="veo-3.1-generate-preview",
+        default="veo-3.0-fast-generate-001",
         help="Video generation model name.",
     )
     parser.add_argument("--name", default="generated_video", help="Base output filename.")

gen_video_prompt_only.py

@@ -35,7 +35,7 @@ def parse_args() -> argparse.Namespace:
     parser.add_argument("--prompt", required=True, help="Prompt describing the video.")
     parser.add_argument(
         "--model",
-        default="veo-3.1-generate-preview",
+        default="veo-3.0-fast-generate-001",
         help="Video generation model name.",
     )
     parser.add_argument("--name", default="generated_video", help="Base output filename.")

gen_video_prompt_only_extend.py

@@ -55,7 +55,7 @@ def parse_args() -> argparse.Namespace:
     )
     parser.add_argument(
         "--model",
-        default="veo-3.1-generate-preview",
+        default="veo-3.0-fast-generate-001",
         help="Video generation model name.",
     )
     parser.add_argument("--name", default="generated_video", help="Base output filename.")

web/backend/routes/generate.py

@@ -25,6 +25,8 @@ MAX_UPLOAD_BYTES = 20 * 1024 * 1024
 
 ALLOWED_VEO_MODELS = frozenset(
     {
+        "veo-3.0-generate-001",
+        "veo-3.0-fast-generate-001",
         "veo-3.1-generate-preview",
         "veo-3.1-lite-generate-preview",
         "veo-3.1-fast-generate-preview",

web/backend/services/gemini_video.py

@@ -11,7 +11,7 @@ from google.genai import types
 
 from web.backend.services.images import bytes_to_genai_image
 
-VEO_MODEL = "veo-3.1-generate-preview"
+VEO_MODEL = "veo-3.0-fast-generate-001"
 
 
 def strip_audio(video_path: Path) -> None:

web/backend/static/assets/index-JnUJDL9j.css

@@ -0,0 +1 @@
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var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}.transition-colors{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-shadow{transition-property:box-shadow;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}:root,html[data-theme=blue]{--color-paper: 238 241 248;--color-panel: 216 228 242;--color-line: 168 184 208;--color-mist: 71 85 105;--color-ink: 15 23 42;--color-clay: 99 102 241}html[data-theme=cream]{--color-paper: 252 250 245;--color-panel: 241 236 226;--color-line: 214 204 188;--color-mist: 87 83 78;--color-ink: 15 23 42;--color-clay: 120 113 108}html[data-theme=gray]{--color-paper: 244 244 246;--color-panel: 232 232 235;--color-line: 186 190 198;--color-mist: 82 82 91;--color-ink: 15 23 42;--color-clay: 82 82 91}html[data-theme=lavender]{--color-paper: 247 246 252;--color-panel: 234 231 245;--color-line: 196 191 220;--color-mist: 78 74 98;--color-ink: 15 23 42;--color-clay: 109 40 217}html{font-size:100%}html[data-font-size=compact]{font-size:75%}html[data-font-size=small]{font-size:90%}html[data-font-size=standard]{font-size:105%}html[data-font-size=large]{font-size:120%}html[data-font-size=xlarge]{font-size:135%}body{min-height:100vh;--tw-bg-opacity: 1;background-color:rgb(var(--color-paper) / var(--tw-bg-opacity, 1));--tw-text-opacity: 1;color:rgb(var(--color-ink) / var(--tw-text-opacity, 1));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:DM Sans,system-ui,sans-serif;line-height:1.55}::-moz-selection{background-color:rgb(var(--color-clay) / .22)}::selection{background-color:rgb(var(--color-clay) / .22)}h1,h2,h3,.font-display{font-family:"Source Serif 4",Georgia,serif}.file\:mr-3::file-selector-button{margin-right:.75rem}.file\:rounded-lg::file-selector-button{border-radius:.5rem}.file\:border-0::file-selector-button{border-width:0px}.file\:bg-slate-200::file-selector-button{--tw-bg-opacity: 1;background-color:rgb(226 232 240 / var(--tw-bg-opacity, 1))}.file\:px-3::file-selector-button{padding-left:.75rem;padding-right:.75rem}.file\:py-1\.5::file-selector-button{padding-top:.375rem;padding-bottom:.375rem}.file\:text-sm::file-selector-button{font-size:.9375rem;line-height:1.375rem}.file\:text-ink::file-selector-button{--tw-text-opacity: 1;color:rgb(var(--color-ink) / var(--tw-text-opacity, 1))}.placeholder\:text-slate-400::-moz-placeholder{--tw-text-opacity: 1;color:rgb(148 163 184 / var(--tw-text-opacity, 1))}.placeholder\:text-slate-400::placeholder{--tw-text-opacity: 1;color:rgb(148 163 184 / var(--tw-text-opacity, 1))}.hover\:border-clay\/80:hover{border-color:rgb(var(--color-clay) / .8)}.hover\:bg-slate-50:hover{--tw-bg-opacity: 1;background-color:rgb(248 250 252 / var(--tw-bg-opacity, 1))}.hover\:bg-slate-800:hover{--tw-bg-opacity: 1;background-color:rgb(30 41 59 / var(--tw-bg-opacity, 1))}.hover\:bg-white\/60:hover{background-color:#fff9}.hover\:text-ink:hover{--tw-text-opacity: 1;color:rgb(var(--color-ink) / var(--tw-text-opacity, 1))}.hover\:brightness-\[0\.98\]:hover{--tw-brightness: brightness(.98);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.focus\:outline-none:focus{outline:2px solid transparent;outline-offset:2px}.focus\:ring-2:focus{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.focus\:ring-clay\/40:focus{--tw-ring-color: rgb(var(--color-clay) / .4)}.focus\:ring-clay\/50:focus{--tw-ring-color: rgb(var(--color-clay) / .5)}.focus-visible\:ring-2:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.focus-visible\:ring-clay:focus-visible{--tw-ring-opacity: 1;--tw-ring-color: rgb(var(--color-clay) / var(--tw-ring-opacity, 1))}.focus-visible\:ring-offset-2:focus-visible{--tw-ring-offset-width: 2px}.focus-visible\:ring-offset-paper:focus-visible{--tw-ring-offset-color: rgb(var(--color-paper) / 1)}.disabled\:pointer-events-none:disabled{pointer-events:none}.disabled\:opacity-40:disabled{opacity:.4}.disabled\:opacity-50:disabled{opacity:.5}.disabled\:opacity-60:disabled{opacity:.6}.disabled\:opacity-\[0\.92\]:disabled{opacity:.92}@media (min-width: 640px){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.sm\:p-10{padding:2.5rem}.sm\:p-12{padding:3rem}.sm\:p-7{padding:1.75rem}}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width: 1024px){.lg\:sticky{position:sticky}.lg\:top-4{top:1rem}.lg\:order-1{order:1}.lg\:order-2{order:2}.lg\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.lg\:grid-cols-\[1fr_minmax\(200px\,260px\)\]{grid-template-columns:1fr minmax(200px,260px)}.lg\:p-12{padding:3rem}}@media (min-width: 1280px){.xl\:max-w-\[96rem\]{max-width:96rem}}@media (min-width: 1536px){.\32xl\:max-w-\[min\(104rem\,calc\(100vw-3rem\)\)\]{max-width:min(104rem,calc(100vw - 3rem))}}

web/backend/static/index.html

@@ -53,8 +53,8 @@
         }
       })();
     </script>
-    <script type="module" crossorigin src="/assets/index-DLUPWZWI.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-UKmRRH6M.css">
+    <script type="module" crossorigin src="/assets/index-DKqfgLWk.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-JnUJDL9j.css">
   </head>
   <body>
     <div id="root"></div>

web/config/generation_options.json

@@ -20,9 +20,11 @@
   },
   "video": {
     "models": [
-      { "value": "veo-3.1-generate-preview", "label": "Veo 3.1（标准）", "supports_reference_images": true },
+      { "value": "veo-3.0-fast-generate-001", "label": "Veo 3 Fast（快速）", "supports_reference_images": true },
+      { "value": "veo-3.0-generate-001", "label": "Veo 3（标准）", "supports_reference_images": true },
       { "value": "veo-3.1-lite-generate-preview", "label": "Veo 3.1 Lite（轻量）", "supports_reference_images": false, "supports_4k": false },
-      { "value": "veo-3.1-fast-generate-preview", "label": "Veo 3.1 Fast（快速）", "supports_reference_images": true }
+      { "value": "veo-3.1-fast-generate-preview", "label": "Veo 3.1 Fast（快速）", "supports_reference_images": true },
+      { "value": "veo-3.1-generate-preview", "label": "Veo 3.1（标准）", "supports_reference_images": true }
     ],
     "aspect_ratios": ["16:9", "9:16"],
     "resolutions": ["720p", "1080p", "4k"],
@@ -30,9 +32,11 @@
   },
   "video_frames": {
     "models": [
-      { "value": "veo-3.1-generate-preview", "label": "Veo 3.1（标准）" },
+      { "value": "veo-3.0-fast-generate-001", "label": "Veo 3 Fast（快速）" },
+      { "value": "veo-3.0-generate-001", "label": "Veo 3（标准）" },
       { "value": "veo-3.1-lite-generate-preview", "label": "Veo 3.1 Lite（轻量）", "supports_4k": false },
-      { "value": "veo-3.1-fast-generate-preview", "label": "Veo 3.1 Fast（快速）" }
+      { "value": "veo-3.1-fast-generate-preview", "label": "Veo 3.1 Fast（快速）" },
+      { "value": "veo-3.1-generate-preview", "label": "Veo 3.1（标准）" }
     ],
     "aspect_ratios": ["16:9", "9:16"],
     "resolutions": ["720p", "1080p", "4k"],

web/frontend/src/context/GenerationOptionsContext.tsx

@@ -107,6 +107,7 @@ export function GenerationOptionsProvider({ children }: { children: ReactNode })
 
 const FAST_MODEL_IDS = new Set([
   "gemini-3.1-flash-image-preview",
+  "veo-3.0-fast-generate-001",
   "veo-3.1-fast-generate-preview",
 ]);
 

web/frontend/src/pages/ImageGen.tsx

@@ -12,6 +12,11 @@ type ImageGenVariant = "flash-minimal" | "flash-high" | "pro-high";
 
 export function ImageGen() {
   const opts = useGenerationOptions();
+  const flashLabel =
+    opts.image.models.find((m) => m.value === FLASH_ID)?.label ?? "Nano Banana 2";
+  const proLabel =
+    opts.image.models.find((m) => m.value === PRO_ID)?.label ?? "Nano Banana Pro";
+
   const [prompt, setPrompt] = useState("");
   const [variant, setVariant] = useState<ImageGenVariant>("flash-minimal");
   const [aspect, setAspect] = useState(opts.image.aspect_ratios[0] ?? "1:1");
@@ -24,17 +29,14 @@ export function ImageGen() {
   const [out, setOut] = useState<string | null>(null);
   const formRef = useRef<HTMLFormElement>(null);
 
-  const variantOptions = useMemo(() => {
-    const flashLabel =
-      opts.image.models.find((m) => m.value === FLASH_ID)?.label ?? "Nano Banana 2";
-    const proLabel =
-      opts.image.models.find((m) => m.value === PRO_ID)?.label ?? "Nano Banana Pro";
-    return [
+  const variantOptions = useMemo(
+    () => [
       { id: "flash-minimal" as const, label: flashLabel },
       { id: "flash-high" as const, label: `${flashLabel}（长思考）` },
       { id: "pro-high" as const, label: `${proLabel}（长思考）` },
-    ];
-  }, [opts.image.models]);
+    ],
+    [flashLabel, proLabel],
+  );
 
   async function onSubmit(e: FormEvent) {
     e.preventDefault();
@@ -94,9 +96,14 @@ export function ImageGen() {
   return (
     <div className="max-w-3xl">
       <h1 className="font-display text-2xl font-semibold text-ink mb-2">图片编辑或生成</h1>
-      <p className="text-mist text-sm mb-6 leading-relaxed">
-        填写提示词；参考图最多三张。再选比例与分辨率。
-      </p>
+      <div className="mb-6 space-y-1.5">
+        <p className="text-mist text-sm leading-relaxed">
+          填写提示词；参考图最多三张。再选比例与分辨率。
+        </p>
+        <p className="text-xs text-mist leading-relaxed">
+          {flashLabel} 与 {proLabel} 为实验性，接口或效果可能变更。
+        </p>
+      </div>
 
       <form ref={formRef} onSubmit={onSubmit} className="space-y-5">
         <fieldset
@@ -117,7 +124,7 @@ export function ImageGen() {
               ))}
             </select>
             <p className="text-xs text-mist mt-1.5">
-              首项偏快；带「长思考」更慢、更细；末项为 Pro。
+              {flashLabel} 为默认快速选项；{flashLabel}（长思考）与 {proLabel}（长思考）为长思考模式，更慢、更细；{proLabel} 为 Pro 路线。
             </p>
           </div>
 

web/frontend/src/pages/ToolsUpscale.tsx

@@ -153,9 +153,14 @@ export function ToolsUpscale() {
   return (
     <div className="max-w-3xl">
       <h1 className="font-display text-2xl font-semibold text-ink mb-2">超分辨率</h1>
-      <p className="text-mist text-sm mb-6 leading-relaxed">
-        原图必选。选图后宽高比自动匹配（可改）；分辨率默认 4K。比例差太远时会提示。
-      </p>
+      <div className="mb-6 space-y-1.5">
+        <p className="text-mist text-sm leading-relaxed">
+          原图必选。选图后宽高比自动匹配（可改）；分辨率默认 4K。比例差太远时会提示。
+        </p>
+        <p className="text-xs text-mist leading-relaxed">
+          下拉中的名称为配置所示；当前图片模型为实验性，接口或效果可能变更。
+        </p>
+      </div>
 
       <form ref={formRef} onSubmit={onSubmit} className="space-y-5">
         <fieldset

web/frontend/src/pages/VideoFrames.tsx

@@ -14,7 +14,7 @@ export function VideoFrames() {
   const vf = opts.video_frames;
   const [prompt, setPrompt] = useState("");
   const [model, setModel] = useState(() =>
-    defaultFastModelValue(vf.models, "veo-3.1-fast-generate-preview"),
+    defaultFastModelValue(vf.models, "veo-3.0-fast-generate-001"),
   );
   const [aspect, setAspect] = useState(vf.aspect_ratios[0] ?? "16:9");
   const [resolution, setResolution] = useState(
@@ -89,9 +89,14 @@ export function VideoFrames() {
   return (
     <div className="max-w-3xl">
       <h1 className="font-display text-2xl font-semibold text-ink mb-2">视频生成（首尾过渡）</h1>
-      <p className="text-mist text-sm mb-6 leading-relaxed">
-        起始帧（必选）；填写提示词（必填）。结尾帧（可选），或与起始帧相同。时长 8 秒。
-      </p>
+      <div className="mb-6 space-y-1.5">
+        <p className="text-mist text-sm leading-relaxed">
+          起始帧（必选）；填写提示词（必填）。结尾帧（可选），或与起始帧相同。时长 8 秒。
+        </p>
+        <p className="text-xs text-mist leading-relaxed">
+          Veo 3 与 Veo 3 Fast 为稳定版；Veo 3.1 系列为实验性，接口或效果可能变更。
+        </p>
+      </div>
 
       <form ref={formRef} onSubmit={onSubmit} className="space-y-5">
         <fieldset

web/frontend/src/pages/VideoGen.tsx

@@ -17,7 +17,7 @@ export function VideoGen() {
 
   const [prompt, setPrompt] = useState("");
   const [model, setModel] = useState(() =>
-    defaultFastModelValue(opts.video.models, "veo-3.1-fast-generate-preview"),
+    defaultFastModelValue(opts.video.models, "veo-3.0-fast-generate-001"),
   );
   const [aspect, setAspect] = useState(opts.video.aspect_ratios[0] ?? "16:9");
   const [resolution, setResolution] = useState(
@@ -59,7 +59,7 @@ export function VideoGen() {
     );
     const fallback = defaultFastModelValue(
       support,
-      support[0]?.value ?? "veo-3.1-fast-generate-preview",
+      support[0]?.value ?? "veo-3.0-fast-generate-001",
     );
     if (fallback) setModel(fallback);
   }, [hasRefs, model, opts.video.models]);
@@ -109,10 +109,15 @@ export function VideoGen() {
   return (
     <div className="max-w-3xl">
       <h1 className="font-display text-2xl font-semibold text-ink mb-2">视频生成</h1>
-      <p className="text-mist text-sm mb-6 leading-relaxed">
-        填写提示词；参考图最多三张。有参考图、1080p 或 4K 时固定 8 秒；720p 仅文字时可选 4/6
-        秒。Lite 无参考图且不支持 4K。
-      </p>
+      <div className="mb-6 space-y-1.5">
+        <p className="text-mist text-sm leading-relaxed">
+          填写提示词；参考图最多三张。有参考图、1080p 或 4K 时固定 8 秒；720p 仅文字时可选 4/6
+          秒。Veo 3.1 Lite 不支持参考图与 4K。
+        </p>
+        <p className="text-xs text-mist leading-relaxed">
+          Veo 3 与 Veo 3 Fast 为稳定版；Veo 3.1 系列为实验性，接口或效果可能变更。
+        </p>
+      </div>
 
       <form ref={formRef} onSubmit={onSubmit} className="space-y-5">
         <fieldset
@@ -214,7 +219,7 @@ export function VideoGen() {
             参考图（最多三张）
             {hasRefs && (
               <span className="block text-xs font-normal text-mist mt-1">
-                有参考图时请选标准或 Fast（Lite 无参考图）。
+                有参考图时勿选 Veo 3.1 Lite；可选 Veo 3、Veo 3 Fast、Veo 3.1 Fast 或 Veo 3.1（标准）。
               </span>
             )}
           </p>