diff --git a/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx b/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
index e69450100..e367a0586 100644
--- a/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
+++ b/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
@@ -538,9 +538,9 @@ export function AgentReasoningFeed({ items, theme }: { items: CloudAgentChatMess
 
 /**
  * Agent SSE events contain text chunks. Keep the full text in the message
- * state, but reveal one code point at a time so a chunk never appears as a
- * whole block. The loop continues briefly after the stream ends to drain any
- * text that was buffered by the network.
+ * state, but reveal it in small batches. A fixed one-code-point delay lets a
+ * fast stream build an ever-growing queue, so the batch grows with the
+ * backlog and eventually catches up to the latest text in one render.
  */
 function useTypewriterText(targetText: string, shouldAnimate: boolean) {
     const targetRef = useRef(targetText);
@@ -568,16 +568,29 @@ function useTypewriterText(targetText: string, shouldAnimate: boolean) {
             }
 
             const currentCharacters = Array.from(visibleRef.current);
-            if (currentCharacters.length >= targetCharacters.length) {
+            const pendingCharacters = targetCharacters.length - currentCharacters.length;
+            if (pendingCharacters <= 0) {
                 runningRef.current = false;
                 timerRef.current = null;
                 return;
             }
 
-            const nextText = targetCharacters.slice(0, currentCharacters.length + 1).join("");
+            // Normal output remains visibly animated. Once stream chunks start
+            // outrunning the renderer, increase the batch instead of queuing
+            // every code point behind a fixed 16ms delay.
+            const revealCount = pendingCharacters > 384
+                ? pendingCharacters
+                : pendingCharacters > 192
+                    ? 32
+                    : pendingCharacters > 96
+                        ? 16
+                        : pendingCharacters > 24
+                            ? 8
+                            : 3;
+            const nextText = targetCharacters.slice(0, currentCharacters.length + revealCount).join("");
             visibleRef.current = nextText;
             setVisibleText(nextText);
-            timerRef.current = window.setTimeout(step, 16);
+            timerRef.current = window.setTimeout(step, 12);
         };
 
         step();
diff --git a/web/src/components/canvas/canvas-cloud-agent-panel.tsx b/web/src/components/canvas/canvas-cloud-agent-panel.tsx
index 3d33ab7db..295407781 100644
--- a/web/src/components/canvas/canvas-cloud-agent-panel.tsx
+++ b/web/src/components/canvas/canvas-cloud-agent-panel.tsx
@@ -52,6 +52,7 @@ import { getActiveUserScope } from "@/lib/user-scope";
 import { applyAgentCanvasPatches, refreshCanvasAfterAgent, saveRemoteUserDataNow } from "@/services/user-data-sync";
 import { createAgentCanvasSync } from "@/services/agent-canvas-sync";
 import { buildSkillMentionReferences, resolveSkillMentions } from "@/services/skill-runtime";
+import { DEFAULT_CANVAS_AGENT_SKILL_ID, ensureDefaultCanvasAgentSkill } from "@/services/skill-defaults";
 import { AGENT_SCENE_DEFS, AgentChatComposer, parseCloudAgentFormAnswer, AgentPlanBar, AgentQuestionBar, AgentSceneCapsules, type AgentSceneBucket, type CloudAgentChatMessage } from "./canvas-cloud-agent-chat-ui";
 import { CanvasAgentSkillLibraryModal } from "./canvas-agent-skill-library-modal";
 import { useSkillCuration, curationQuery } from "@/components/skills/skill-curation-browser";
@@ -485,21 +486,52 @@ export function CanvasCloudAgentPanel({ canvasId, domainProjectId, nodeCount, se
             .then(async (document) => {
                 if (!active) return;
                 const current = document.conversations.find((conversation) => conversation.id === document.activeId) || document.conversations[0];
+                let initialSkillIds = current?.skillIds || [];
+                if (!document.conversations.length) {
+                    try {
+                        const defaults = await ensureDefaultCanvasAgentSkill();
+                        if (!active) return;
+                        setSkills(defaults.skills);
+                        initialSkillIds = defaults.skills.some((skill) => skill.skillId === DEFAULT_CANVAS_AGENT_SKILL_ID && skill.isAdded)
+                            ? [DEFAULT_CANVAS_AGENT_SKILL_ID]
+                            : [];
+                    } catch (cause) {
+                        if (active) setMessages((currentMessages) => appendAgentError(currentMessages, "default-skill-error", cause, "默认短剧技能未能安装，已保留空技能选择"));
+                    }
+                }
                 setConversations(document.conversations);
                 if (current) {
                     setActiveConversationId(current.id);
                     setMessages(current.messages);
                     setRun(current.run);
                     setPermissionMode(current.permissionMode);
-                    setSelectedSkillIds(current.skillIds || []);
+                    setSelectedSkillIds(initialSkillIds);
                     if (current.model) setModel(current.model);
                     const pending = await loadCloudAgentPendingSubmission(canvasId, current.id);
                     if (!active) return;
                     pendingSubmission.current = pending;
                     if (pending?.request) setPrompt(pending.displayText || pending.request.prompt);
                 } else {
-                    setActiveConversationId(nanoid());
+                    const initialConversationId = nanoid();
+                    const now = new Date().toISOString();
+                    const initialConversation: CloudAgentConversation = {
+                        id: initialConversationId,
+                        title: "新对话",
+                        messages: [],
+                        run: null,
+                        model: selectedModel || undefined,
+                        permissionMode,
+                        skillIds: initialSkillIds,
+                        createdAt: now,
+                        updatedAt: now,
+                    };
+                    setActiveConversationId(initialConversationId);
+                    setConversations([initialConversation]);
+                    setSelectedSkillIds(initialSkillIds);
                     pendingSubmission.current = null;
+                    void saveCloudAgentConversations(canvasId, initialConversationId, [initialConversation]).catch((cause) => {
+                        if (active) setMessages((currentMessages) => appendAgentError(currentMessages, "initial-conversation-save-error", cause, "新对话初始化保存失败，请重试后再发送"));
+                    });
                 }
                 setPendingHydrated(true);
             })
@@ -516,7 +548,16 @@ export function CanvasCloudAgentPanel({ canvasId, domainProjectId, nodeCount, se
     }, [canvasId, userId]);
 
     useEffect(() => {
-        if (!historyHydrated || (!messages.length && !run)) return;
+        if (!historyHydrated) return;
+        if (!messages.length && !run) {
+            setConversations((current) => {
+                const existing = current.find((conversation) => conversation.id === activeConversationId);
+                if (!existing || existing.skillIds?.join("\0") === selectedSkillIds.join("\0")) return current;
+                const now = new Date().toISOString();
+                return current.map((conversation) => conversation.id === activeConversationId ? { ...conversation, skillIds: selectedSkillIds, updatedAt: now } : conversation);
+            });
+            return;
+        }
         const now = new Date().toISOString();
         setConversations((current) => {
             const existing = current.find((conversation) => conversation.id === activeConversationId);
diff --git a/web/src/components/canvas/canvas-node-generation.ts b/web/src/components/canvas/canvas-node-generation.ts
index 06e8d9c8b..503568795 100644
--- a/web/src/components/canvas/canvas-node-generation.ts
+++ b/web/src/components/canvas/canvas-node-generation.ts
@@ -18,6 +18,7 @@ import { isCanvasWorkflowProvider } from "@/lib/canvas/canvas-workflow";
 import { nodeGenerationPrompt } from "@/lib/canvas/generation-contract";
 import type { ModelReferenceLimits } from "@/lib/model-selection";
 import type { Asset } from "@/stores/use-asset-store";
+import { resourceIdFromStorageKey } from "@/services/api/resources";
 
 export type CharacterGenerationReference = {
     nodeId: string;
@@ -444,18 +445,28 @@ export function buildNodeResponseMessages(context: NodeGenerationContext): AiTex
     ];
 }
 
-export async function hydrateNodeGenerationContext(context: NodeGenerationContext, projectId: string, domainProjectId?: string, mode?: CanvasGenerationMode, includeCharacterVoiceSamples = false, includeCharacterPrompt = true, referenceLimits?: ModelReferenceLimits) {
+export async function hydrateNodeGenerationContext(
+    context: NodeGenerationContext,
+    projectId: string,
+    domainProjectId?: string,
+    mode?: CanvasGenerationMode,
+    includeCharacterVoiceSamples = false,
+    includeCharacterPrompt = true,
+    referenceLimits?: ModelReferenceLimits,
+    materializeStoredMedia = true,
+) {
     const { imageToDataUrl } = await import("@/services/image-storage");
     let referenceImages = await Promise.all(
         context.referenceImages.map(async (image) => {
             if (image.source?.kind === "drawing") return resolveCanvasDrawingReference(projectId, image);
             if (image.source?.kind === "colorgrade") return resolveCanvasColorGradeReference(image);
+            if (!materializeStoredMedia && resourceIdFromStorageKey(image.storageKey)) return image;
             return { ...image, dataUrl: await imageToDataUrl(image) };
         }),
     );
     if (!context.characterReferences.length) return { ...context, referenceImages };
     const { getCharacter } = await import("@/services/api/projects");
-    const { getResource, resourceFileUrl, resourceIdFromStorageKey, resourceStorageKey } = await import("@/services/api/resources");
+    const { getResource, resourceFileUrl, resourceIdFromStorageKey: getResourceIdFromStorageKey, resourceStorageKey } = await import("@/services/api/resources");
     const details = await Promise.all(context.characterReferences.map((reference) => getCharacter(reference.assetId)));
     const remainingBudget = Math.max(0, (referenceLimits?.maxImages ?? 9) - referenceImages.length);
     const selectedEntries = details.flatMap((detail, index) => {
@@ -484,7 +495,9 @@ export async function hydrateNodeGenerationContext(context: NodeGenerationContex
         dataUrl: "",
         storageKey: resourceStorageKey(entry.representation.resourceId),
     } satisfies ReferenceImage));
-    const hydratedCharacterImages = await Promise.all(characterImages.map(async (image) => ({ ...image, dataUrl: await imageToDataUrl(image) })));
+    const hydratedCharacterImages = materializeStoredMedia
+        ? await Promise.all(characterImages.map(async (image) => ({ ...image, dataUrl: await imageToDataUrl(image) })))
+        : characterImages;
     const primaryByNodeId = new Map<string, ReferenceImage>();
     selectedEntries.forEach((entry, index) => {
         const image = hydratedCharacterImages[index];
@@ -545,7 +558,7 @@ export async function hydrateNodeGenerationContext(context: NodeGenerationContex
             instructions: [language && `语言与口音：${language}`, voiceAge && `声音年龄感：${voiceAge}`, timbre && `音色气质：${timbre}`, deliveryInstructions].filter(Boolean).join("；"),
         }];
     });
-    const usedAudioResourceIds = new Set(context.referenceAudios.map((audio) => resourceIdFromStorageKey(audio.storageKey)).filter(Boolean));
+    const usedAudioResourceIds = new Set(context.referenceAudios.map((audio) => getResourceIdFromStorageKey(audio.storageKey)).filter(Boolean));
     const voiceSamples: ResolvedCharacterVoice[] = [];
     // 视频模型接收声音样本；独立配音任务仍通过 voiceKey 选音色，不能把两种协议混用。
     if (mode === "video" && includeCharacterVoiceSamples) {
@@ -570,7 +583,7 @@ export async function hydrateNodeGenerationContext(context: NodeGenerationContex
     }));
     const referenceAudios = [...context.referenceAudios, ...characterVoiceAudios];
     const voiceBlocks = mode === "video" ? resolvedCharacterVoices.flatMap((voice) => {
-        const sampleIndex = voice.sampleResourceId ? referenceAudios.findIndex((audio) => resourceIdFromStorageKey(audio.storageKey) === voice.sampleResourceId) : -1;
+        const sampleIndex = voice.sampleResourceId ? referenceAudios.findIndex((audio) => getResourceIdFromStorageKey(audio.storageKey) === voice.sampleResourceId) : -1;
         if (sampleIndex < 0 && !includeCharacterPrompt) return [];
         return [[
             includeCharacterPrompt ? compileResolvedVoicePrompt(voice) : `【角色声音：${voice.characterName}】`,
diff --git a/web/src/components/image-settings-panel.tsx b/web/src/components/image-settings-panel.tsx
index adee71958..d68739288 100644
--- a/web/src/components/image-settings-panel.tsx
+++ b/web/src/components/image-settings-panel.tsx
@@ -8,18 +8,11 @@ import { type CanvasTheme } from "@/lib/canvas-theme";
 import { buildImageResolutionOptions, formatImageResolutionSize } from "@/lib/image-resolution-tiers";
 import { modelCapabilityConfigFor, normalizeImageValue, type ImageCapabilityConfig } from "@/lib/model-capabilities";
 import { mergedImageCapabilityConfig } from "@/lib/model-selection";
+import { imagePriceSelector, normalizeImagePriceSelector } from "@/lib/image-pricing";
 import { modelOptionName, resolveModelChannel, type AiConfig } from "@/stores/use-config-store";
+import { imageQualityLabel } from "@/lib/image-quality";
 
-const qualityOptions = [
-    { value: "auto", label: "自动" },
-    { value: "high", label: "高" },
-    { value: "medium", label: "中" },
-    { value: "low", label: "低" },
-    { value: "1k", label: "1K" },
-    { value: "2k", label: "2K" },
-    { value: "4k", label: "4K" },
-];
-
+export { imageQualityLabel } from "@/lib/image-quality";
 type AspectOption = { value: string; label: string; width: number; height: number; icon: string; size?: string };
 
 const aspectOptions: AspectOption[] = [
@@ -65,7 +58,7 @@ export function ImageSettingsPanel({ config, onConfigChange, theme, showTitle =
     const effectiveMaxCount = Math.min(maxCount, profile.maxOutputs);
     const count = Math.max(1, Math.min(effectiveMaxCount, Number(normalized.count)));
     const activeSize = normalized.size;
-    const activeQualityOptions = profile.quality.values.map((value) => qualityOptions.find((item) => item.value === value) || { value, label: value });
+    const activeQualityOptions = profile.quality.values.map((value) => ({ value, label: imageQualityLabel(value) }));
     const priceTiers = imageModelPriceTiers(config);
 
     return (
@@ -142,10 +135,6 @@ export function ImageSettingsTheme({ theme, children }: { theme: CanvasTheme; ch
     );
 }
 
-export function imageQualityLabel(value: string) {
-    return ({ auto: "自动", high: "高", medium: "中", low: "低", "1k": "1K", "2k": "2K", "4k": "4K" } as Record<string, string>)[value.toLowerCase()] || value || "默认";
-}
-
 function isGrokResolutionQuality(profile: ImageCapabilityConfig) {
     const values = profile.quality.values.map((item) => item.toLowerCase());
     return values.some((value) => ["1k", "2k", "4k"].includes(value));
@@ -163,11 +152,12 @@ function imageModelPriceTiers(config: AiConfig) {
 }
 
 function hasPriceTierForImageSelection(tiers: ReturnType<typeof imageModelPriceTiers>, quality: string, size: string) {
-	if (!tiers.length) return true;
-	return tiers.some((tier) => {
-		const selector = tier.selector || {};
-		return (!selector.quality || selector.quality === "*" || selector.quality === quality.toLowerCase()) && (!selector.size || selector.size === "*" || selector.size === size.toLowerCase());
-	});
+    if (!tiers.length) return true;
+    const requested = imagePriceSelector(quality, size);
+    return tiers.some((tier) => {
+        const selector = normalizeImagePriceSelector(tier.selector || {});
+        return Object.entries(selector).every(([key, value]) => value === "*" || requested[key] === value);
+    });
 }
 
 function OptionPill({ selected, disabled = false, theme, onClick, children }: { selected: boolean; disabled?: boolean; theme: CanvasTheme; onClick: () => void; children: ReactNode }) {
diff --git a/web/src/components/image-size-picker.css b/web/src/components/image-size-picker.css
index c3d5ffa79..d2c66edf3 100644
--- a/web/src/components/image-size-picker.css
+++ b/web/src/components/image-size-picker.css
@@ -162,6 +162,36 @@
     grid-template-columns: repeat(auto-fit, minmax(min(100%, 84px), 1fr));
     gap: 6px;
 }
+.image-size-preset-option-wrap {
+    display: grid;
+    gap: 4px;
+    min-width: 0;
+}
+.image-size-preset-dimensions {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
+    align-items: center;
+    gap: 3px;
+    color: var(--muted-foreground);
+    font-size: var(--fs-tiny);
+    font-variant-numeric: tabular-nums;
+}
+.image-size-preset-dimensions label {
+    display: grid;
+    gap: 2px;
+    min-width: 0;
+}
+.image-size-preset-dimensions label > span {
+    padding-inline: 2px;
+}
+.image-size-preset-dimensions .ant-input-number {
+    width: 100%;
+    min-width: 0;
+}
+.image-size-preset-dimensions .ant-input-number-input {
+    padding-inline: 5px;
+    font-size: var(--fs-tiny);
+}
 .image-size-preset-option,
 .image-size-default-options button {
     min-width: 0;
diff --git a/web/src/components/image-size-presets-editor.tsx b/web/src/components/image-size-presets-editor.tsx
index 72d0929ae..2e933a069 100644
--- a/web/src/components/image-size-presets-editor.tsx
+++ b/web/src/components/image-size-presets-editor.tsx
@@ -1,10 +1,11 @@
 import { useId, useState } from "react";
-import { Button, Input } from "antd";
+import { Button, Input, InputNumber } from "antd";
 import { Check, Plus } from "lucide-react";
 import { Switch } from "@/components/ui/base/switch";
 import "./image-size-picker.css";
 import type { ImageCapabilityConfig } from "@/lib/model-capabilities";
 import { IMAGE_RATIOS, IMAGE_RESOLUTIONS, imagePresetForRatio, imageResolutionUsesQuality, imageSizeConfigWithPresets, imageSizePresets, imageTierAvailable } from "@/lib/image-size-presets";
+import { validateImageSize } from "@/services/api/image-validation";
 import type { ImageResolutionTier } from "@/lib/image-resolution-tiers";
 
 export function ImageSizePresetsEditor({ profile, disabled, onChange }: { profile: ImageCapabilityConfig; disabled?: boolean; onChange: (size: ImageCapabilityConfig["size"]) => void }) {
@@ -36,6 +37,25 @@ export function ImageSizePresetsEditor({ profile, disabled, onChange }: { profil
             return false;
         }
     };
+    const editDimensions = (tier: ImageResolutionTier, ratio: string, field: "width" | "height", rawValue: number | null) => {
+        if (disabled) return;
+        const value = rawValue == null ? NaN : Math.round(rawValue);
+        const selected = presets.find((preset) => preset.tier === tier && preset.ratio === ratio);
+        if (!selected || !Number.isInteger(value) || value <= 0) {
+            setErrors((current) => ({ ...current, [tier]: "请输入正整数像素" }));
+            return;
+        }
+        const width = field === "width" ? value : selected.width;
+        const height = field === "height" ? value : selected.height;
+        try {
+            validateImageSize(width, height);
+            const next = presets.map((preset) => preset === selected ? { ...preset, width, height, size: `${width}x${height}` } : preset);
+            onChange(imageSizeConfigWithPresets(profile, next));
+            setErrors((current) => ({ ...current, [tier]: "" }));
+        } catch (reason) {
+            setErrors((current) => ({ ...current, [tier]: reason instanceof Error ? reason.message : "像素尺寸无效" }));
+        }
+    };
     const addRatio = (tier: ImageResolutionTier) => {
         const ratios = (drafts[tier] || "")
             .split(/[,，\n]/)
@@ -68,24 +88,38 @@ export function ImageSizePresetsEditor({ profile, disabled, onChange }: { profil
                                     const selected = items.find((item) => item.ratio === ratio);
                                     const dimensions = selected || imagePresetForRatio(tier, ratio);
                                     return (
-                                        <button
-                                            key={ratio}
-                                            type="button"
-                                            disabled={disabled}
-                                            aria-pressed={Boolean(selected)}
-                                            aria-label={`${tier.toUpperCase()} ${ratio}`}
-                                            className="image-size-preset-option"
-                                            title={`${ratio} · ${dimensions.width} × ${dimensions.height} px${selected ? " · 点击移除" : " · 点击添加"}`}
-                                            onClick={() => update(tier, selected ? items.filter((item) => item.ratio !== ratio).map((item) => item.ratio) : [...items.map((item) => item.ratio), ratio])}
-                                        >
-                                            <span className="image-size-preset-option-label">
-                                                <span>{ratio}</span>
-                                                {selected ? <Check size={12} aria-hidden="true" /> : <Plus size={12} aria-hidden="true" />}
-                                            </span>
-                                            <small>
-                                                {dimensions.width} × {dimensions.height}
-                                            </small>
-                                        </button>
+                                        <div key={ratio} className="image-size-preset-option-wrap">
+                                            <button
+                                                type="button"
+                                                disabled={disabled}
+                                                aria-pressed={Boolean(selected)}
+                                                aria-label={`${tier.toUpperCase()} ${ratio}`}
+                                                className="image-size-preset-option"
+                                                title={`${ratio} · ${dimensions.width} × ${dimensions.height} px${selected ? " · 点击移除" : " · 点击添加"}`}
+                                                onClick={() => update(tier, selected ? items.filter((item) => item.ratio !== ratio).map((item) => item.ratio) : [...items.map((item) => item.ratio), ratio])}
+                                            >
+                                                <span className="image-size-preset-option-label">
+                                                    <span>{ratio}</span>
+                                                    {selected ? <Check size={12} aria-hidden="true" /> : <Plus size={12} aria-hidden="true" />}
+                                                </span>
+                                                <small>
+                                                    {dimensions.width} × {dimensions.height}
+                                                </small>
+                                            </button>
+                                            {selected ? (
+                                                <div className="image-size-preset-dimensions" aria-label={`${tier.toUpperCase()} ${ratio} 精确像素`}>
+                                                    <label>
+                                                        <span>宽</span>
+                                                        <InputNumber min={1} precision={0} value={selected.width} disabled={disabled} aria-label={`${tier.toUpperCase()} ${ratio} 宽度像素`} onChange={(value) => editDimensions(tier, ratio, "width", value)} />
+                                                    </label>
+                                                    <span aria-hidden="true">×</span>
+                                                    <label>
+                                                        <span>高</span>
+                                                        <InputNumber min={1} precision={0} value={selected.height} disabled={disabled} aria-label={`${tier.toUpperCase()} ${ratio} 高度像素`} onChange={(value) => editDimensions(tier, ratio, "height", value)} />
+                                                    </label>
+                                                </div>
+                                            ) : null}
+                                        </div>
                                     );
                                 })}
                             </div>
diff --git a/web/src/components/model-picker.tsx b/web/src/components/model-picker.tsx
index d8f5ca001..2cc6caef0 100644
--- a/web/src/components/model-picker.tsx
+++ b/web/src/components/model-picker.tsx
@@ -2,6 +2,7 @@ import { useEffect, useId, useLayoutEffect, useMemo, useRef, useState, type CSSP
 import { Check, ChevronDown, Coins } from "lucide-react";
 import { Popover } from "antd";
 
+import { imageQualityLabel } from "@/lib/image-quality";
 import { canvasThemes, type CanvasTheme } from "@/lib/canvas-theme";
 import { modelCapabilityConfigFor, videoDurationOptions } from "@/lib/model-capabilities";
 import { formatPriceRange, modelQuoteDescription, modelQuoteRequest, normalizeTierResolution, priceTierSummaryLabel, priceTiersForCurrentSelection } from "@/lib/model-pricing";
@@ -485,7 +486,8 @@ function tierSpecificationLabel(tier: NonNullable<NonNullable<AiConfig["channels
     const operation = selector.operation && selector.operation !== "*" ? operationLabels[selector.operation] || selector.operation : "";
     const details = [
         operation,
-        selector.quality && selector.quality !== "*" ? selector.quality.toUpperCase() : "",
+        selector.quality && selector.quality !== "*" ? imageQualityLabel(selector.quality) : "",
+        selector.resolution && selector.resolution !== "*" ? imageQualityLabel(selector.resolution) : "",
         selector.size && selector.size !== "*" ? selector.size : "",
         tier.resolution !== "*" ? tierResolutionLabel(tier.resolution) : "",
         tier.videoSeconds ? tierDurationLabel(tier.videoSeconds) : "",
diff --git a/web/src/lib/image-pricing.ts b/web/src/lib/image-pricing.ts
new file mode 100644
index 000000000..7f3ddc62e
--- /dev/null
+++ b/web/src/lib/image-pricing.ts
@@ -0,0 +1,38 @@
+import { buildImageResolutionOptions } from "./image-resolution-tiers";
+import { isImageResolutionTier } from "./image-quality";
+import type { ImageCapabilityConfig } from "./model-capabilities";
+
+/** 旧图片价格档把 1K/2K/4K 存在 quality；只在读取价格条件时转换。 */
+export function normalizeImagePriceSelector(input: Record<string, string>) {
+    const selector = { ...input };
+    for (const key of ["quality", "resolution", "size"] as const) {
+        if (selector[key]) selector[key] = selector[key].trim().toLowerCase();
+    }
+    if (isImageResolutionTier(selector.quality) && (!selector.resolution || selector.resolution === "*")) {
+        selector.resolution = selector.quality;
+        delete selector.quality;
+    }
+    return selector;
+}
+
+export function imagePriceSelector(quality: string, size: string, profile?: ImageCapabilityConfig): Record<string, string> {
+    quality = quality.trim().toLowerCase();
+    size = size.trim().toLowerCase();
+    const selector: Record<string, string> = {};
+    if (quality && quality !== "auto" && quality !== "any") selector.quality = quality;
+    if (size && size !== "auto" && size !== "any") selector.size = size;
+    const pixel = buildImageResolutionOptions([size])[0];
+    if (pixel) {
+        selector.resolution = profile?.size.presets?.find((preset) => preset.size.toLowerCase() === size)?.tier || pixel.tier;
+    } else if (isImageResolutionTier(quality)) {
+        selector.resolution = quality;
+    } else if (profile?.size.parameter === "aspect_ratio") {
+        const tier = ({ low: "1k", medium: "2k", high: "4k" } as Record<string, string>)[quality];
+        if (tier && profile.quality.supported) selector.resolution = tier;
+        else if (!profile.quality.supported) {
+            const tiers = new Set(profile.size.presets?.filter((preset) => preset.ratio === size).map((preset) => preset.tier));
+            if (tiers.size === 1) selector.resolution = [...tiers][0];
+        }
+    }
+    return selector;
+}
diff --git a/web/src/lib/image-quality.ts b/web/src/lib/image-quality.ts
new file mode 100644
index 000000000..3c8d1c6f8
--- /dev/null
+++ b/web/src/lib/image-quality.ts
@@ -0,0 +1,45 @@
+const IMAGE_QUALITY_LABELS: Record<string, string> = {
+    auto: "自动",
+    low: "低",
+    medium: "中",
+    high: "高",
+    xhigh: "超高",
+    max: "最高",
+    "1k": "1K",
+    "2k": "2K",
+    "4k": "4K",
+};
+
+export function imageQualityLabel(value: string) {
+    const normalized = String(value || "").trim().toLowerCase();
+    return IMAGE_QUALITY_LABELS[normalized] || value;
+}
+
+export function imageQualityDescription(value: string) {
+    switch (String(value || "").trim().toLowerCase()) {
+        case "auto":
+            return "由模型决定";
+        case "low":
+            return "更快生成";
+        case "medium":
+            return "均衡模式";
+        case "high":
+            return "优先速度";
+        case "xhigh":
+            return "优先质量";
+        case "max":
+            return "优先细节";
+        case "1k":
+            return "标准清晰度";
+        case "2k":
+            return "更高清晰度";
+        case "4k":
+            return "最高清晰度";
+        default:
+            return "模型支持的质量/分辨率";
+    }
+}
+
+export function isImageResolutionTier(value: string) {
+    return ["1k", "2k", "4k"].includes(String(value || "").trim().toLowerCase());
+}
diff --git a/web/src/lib/model-pricing.ts b/web/src/lib/model-pricing.ts
index d61e8fa14..a89d5e410 100644
--- a/web/src/lib/model-pricing.ts
+++ b/web/src/lib/model-pricing.ts
@@ -1,6 +1,7 @@
 import { modelRequestOptions, resolveVideoOperation, type ModelRequirements } from "@/lib/model-selection";
 import { videoResolutionComparisonKey } from "@/lib/video-generation-options";
-import { buildImageResolutionOptions, imageResolutionOption } from "@/lib/image-resolution-tiers";
+import { imagePriceSelector, normalizeImagePriceSelector } from "@/lib/image-pricing";
+import { modelCapabilityConfigFor } from "@/lib/model-capabilities";
 import type { LogicalModelQuote, ModelQuoteRequest, ModelRequestIntent } from "@/services/api/logical-models";
 import { modelOptionName, resolveModelChannel, type AiConfig, type ModelCapability } from "@/stores/use-config-store";
 
@@ -141,14 +142,7 @@ function priceSelectorForRequest(capability: ModelCapability | undefined, config
         const options = { ...modelRequestOptions(config, "image"), ...requirements?.options, ...(requirements?.imageSize ? { size: requirements.imageSize } : {}) };
         const imageQuality = String(options.quality ?? "").trim().toLowerCase();
         const imageSize = String(options.size ?? "").trim();
-        if ((imageQuality === "" || imageQuality === "auto" || imageQuality === "any") && imageSize) {
-            const resolution = imageResolutionOption(buildImageResolutionOptions([imageSize]), imageSize)?.tier;
-            if (resolution) requested.quality = resolution;
-        }
-        for (const key of ["quality", "size"] as const) {
-            const value = String(options[key] ?? "").trim().toLowerCase();
-            if (value && value !== "auto" && value !== "any" && !requested[key]) requested[key] = value;
-        }
+        Object.assign(requested, imagePriceSelector(imageQuality, imageSize, modelCapabilityConfigFor(config, config.model || config.imageModel)?.image));
     }
     return requested;
 }
@@ -159,7 +153,7 @@ function imagePriceOperation(requirements?: ModelRequirements) {
 }
 
 function priceSelectorForTier(tier: ModelPriceTier) {
-    const selector = { ...(tier.selector || {}) };
+    const selector = normalizeImagePriceSelector({ ...(tier.selector || {}) });
     if (!Object.keys(selector).length) {
         const resolution = normalizeTierResolution(tier.resolution);
         if (resolution !== "*") selector.vquality = resolution;
diff --git a/web/src/pages/admin/components/channel-model-cost-summary.tsx b/web/src/pages/admin/components/channel-model-cost-summary.tsx
index f7464f31f..c10b15d8e 100644
--- a/web/src/pages/admin/components/channel-model-cost-summary.tsx
+++ b/web/src/pages/admin/components/channel-model-cost-summary.tsx
@@ -1,3 +1,4 @@
+import { imageQualityLabel } from "@/lib/image-quality";
 import type { ChannelModel, ChannelModelPriceTier } from "@/services/api/wallet";
 import { AdminStatusBadge } from "./admin-ui";
 import { formatModelMargin, formatModelPrice, modelPriceFields } from "./channel-model-pricing";
@@ -47,7 +48,8 @@ export function specificationLabel(tier: ChannelModelPriceTier) {
     return (
         [
             operation ? operations[operation] || operation : "",
-            specific(selector.quality).toUpperCase(),
+            imageQualityLabel(specific(selector.quality)),
+            imageQualityLabel(specific(selector.resolution)),
             specific(selector.size),
             resolution.toUpperCase(),
             duration ? `${duration} 秒` : "",
diff --git a/web/src/pages/admin/components/channel-model-editor-form.ts b/web/src/pages/admin/components/channel-model-editor-form.ts
index 552650fe7..583e8897e 100644
--- a/web/src/pages/admin/components/channel-model-editor-form.ts
+++ b/web/src/pages/admin/components/channel-model-editor-form.ts
@@ -113,7 +113,7 @@ export function validateChannelModelPrices(values: Pick<ChannelModelFormValues,
         if (tier.matchMode === "advanced") {
             if (tier.operation && tier.operation !== "*" && !operations[capability]?.includes(tier.operation)) fail("生成方式与模型能力不匹配");
             const specific = (value: string | undefined) => Boolean(value && value !== "*");
-            if (!(specific(tier.operation) || (capability === "image" && (specific(tier.quality) || specific(tier.size))) || (capability === "video" && specific(tier.resolution)))) fail("规格价格至少需要一个匹配条件；统一价格请选择默认价格");
+            if (!(specific(tier.operation) || (capability === "image" && (specific(tier.quality) || specific(tier.resolution) || specific(tier.size))) || (capability === "video" && specific(tier.resolution)))) fail("规格价格至少需要一个匹配条件；统一价格请选择默认价格");
         }
         const prices = tier.billingMode !== "token" ? [tier.unitPrice] : capability === "video" ? [tier.outputTokenPrice] : [tier.inputTokenPrice, tier.outputTokenPrice, tier.cachedTokenPrice];
         if (prices.some((price) => typeof price !== "number" || !Number.isFinite(price) || price < 0 || price > 1_000_000)) fail("积分价格必须是 0 到 1000000 之间的有效数值");
diff --git a/web/src/pages/admin/components/channel-model-price-tier-fields.tsx b/web/src/pages/admin/components/channel-model-price-tier-fields.tsx
index 38d4fa207..1f7889bf4 100644
--- a/web/src/pages/admin/components/channel-model-price-tier-fields.tsx
+++ b/web/src/pages/admin/components/channel-model-price-tier-fields.tsx
@@ -4,7 +4,7 @@ import type { ModelCapabilityConfig } from "@/lib/model-capabilities";
 import { modelProtocolSupportsTokenBilling, type ModelProtocol } from "@/lib/model-protocols";
 import type { ModelCapabilityChoice as EditableCapability } from "@/components/model-protocol-picker";
 import type { ChannelModelFormValues as FormValues } from "./channel-model-editor-form";
-import { normalizeUpstreamModelKey } from "./channel-model-price-tier-form";
+import { imagePriceQualityOptions, normalizeUpstreamModelKey } from "./channel-model-price-tier-form";
 import { CreditCostFields } from "./credit-cost-fields";
 import { Select } from "@/components/ui/base/select";
 
@@ -57,7 +57,7 @@ export function PriceTierFields({
                     <span className="admin-price-tier-card-index">{String(ordinal).padStart(2, "0")}</span>
                     <div className="admin-price-tier-card-heading-copy">
                         <div className="admin-price-tier-card-title">{matchMode === "default" ? "默认价格" : `规格价格 ${ordinal}`}</div>
-                        <div className="admin-price-tier-card-summary">{matchMode === "default" ? "所有请求使用同一价格" : isVideo ? "按生成方式与分辨率匹配" : "按生成方式、质量或尺寸匹配"}</div>
+                        <div className="admin-price-tier-card-summary">{matchMode === "default" ? "所有请求使用同一价格" : isVideo ? "按生成方式与分辨率匹配" : "按生成方式、画质、分辨率或尺寸匹配"}</div>
                     </div>
                 </div>
                 <div className="admin-price-tier-card-actions">
@@ -116,16 +116,19 @@ export function PriceTierFields({
                                     </Form.Item>
                                 ) : null}
                                 {isImage ? (
-                                    <Form.Item className="mb-0" name={[index, "quality"]} label="质量/分辨率" rules={[{ required: true, message: "请选择质量或分辨率" }]}>
-                                        <Select
-                                            options={[
-                                                { label: "任意质量", value: "*" },
-                                                { label: "1K", value: "1k" },
-                                                { label: "2K", value: "2k" },
-                                                { label: "4K", value: "4k" },
-                                            ]}
-                                        />
-                                    </Form.Item>
+                                    <>
+                                        <Form.Item className="mb-0" name={[index, "quality"]} label="画质" rules={[{ required: true, message: "请选择画质" }]}>
+                                            <Select
+                                                options={[
+                                                    { label: "任意画质", value: "*" },
+                                                    ...imagePriceQualityOptions(),
+                                                ]}
+                                            />
+                                        </Form.Item>
+                                        <Form.Item className="mb-0" name={[index, "resolution"]} label="分辨率">
+                                            <Select options={[{ label: "任意分辨率", value: "*" }, { label: "1K", value: "1k" }, { label: "2K", value: "2k" }, { label: "4K", value: "4k" }]} />
+                                        </Form.Item>
+                                    </>
                                 ) : null}
                                 {isImage ? (
                                     <Form.Item className="mb-0" name={[index, "size"]} label="画幅/尺寸">
diff --git a/web/src/pages/admin/components/channel-model-price-tier-form.ts b/web/src/pages/admin/components/channel-model-price-tier-form.ts
index 1f48d5c24..72d070427 100644
--- a/web/src/pages/admin/components/channel-model-price-tier-form.ts
+++ b/web/src/pages/admin/components/channel-model-price-tier-form.ts
@@ -1,3 +1,4 @@
+import { imageQualityLabel } from "@/lib/image-quality";
 import type { ModelCapabilityChoice } from "@/components/model-protocol-picker";
 import type { ChannelModel, ChannelModelPriceTier } from "@/services/api/wallet";
 
@@ -62,13 +63,13 @@ export function defaultPriceTier(matchMode: PriceTierMatchMode = "default"): Pri
 
 export function priceTierToForm(tier: ChannelModelPriceTier): PriceTierFormValues {
     const selector = tier.selector || {};
-    const hasSpecificMatch = [selector.operation, selector.quality, selector.size].some((value) => value && value !== "*") || (tier.resolution && tier.resolution !== "*");
+    const hasSpecificMatch = [selector.operation, selector.quality, selector.resolution, selector.size].some((value) => value && value !== "*") || (tier.resolution && tier.resolution !== "*");
     return {
         matchMode: hasSpecificMatch ? "advanced" : "default",
         operation: selector.operation || "*",
         quality: selector.quality || "*",
         size: selector.size || "*",
-        resolution: tier.resolution || "*",
+        resolution: selector.resolution || tier.resolution || "*",
         videoSeconds: tier.videoSeconds || 0,
         videoGenerateAudio: selector.videoGenerateAudio || "*",
         imageCount: Number(selector.imageCount || 0),
@@ -112,6 +113,7 @@ export function skuSelectorFromForm(capability: ModelCapabilityChoice, tier: Pri
     }
     if (capability === "image") {
         if (tier.quality && tier.quality !== "*") selector.quality = tier.quality;
+        if (tier.resolution && tier.resolution !== "*") selector.resolution = tier.resolution;
         if (tier.size && tier.size !== "*") selector.size = tier.size;
     }
     return selector;
@@ -121,6 +123,10 @@ export function priceTierResolutionFromForm(capability: ModelCapabilityChoice, t
     return capability === "video" && tier.matchMode === "advanced" ? tier.resolution || "*" : "*";
 }
 
+export function imagePriceQualityOptions() {
+    return ["low", "medium", "high", "xhigh", "max", "auto", "1k", "2k", "4k"].map((value) => ({ label: imageQualityLabel(value), value }));
+}
+
 export function priceTierVideoSecondsFromForm(capability: ModelCapabilityChoice, tier: PriceTierFormValues) {
     void capability;
     void tier;
diff --git a/web/src/pages/admin/components/feature-availability-panel.tsx b/web/src/pages/admin/components/feature-availability-panel.tsx
index df0fb449a..2a1e0dea9 100644
--- a/web/src/pages/admin/components/feature-availability-panel.tsx
+++ b/web/src/pages/admin/components/feature-availability-panel.tsx
@@ -8,7 +8,7 @@ import { getAdminFeatureAvailability, updateAdminFeatureAvailability } from "@/s
 import { useUserStore, type FeatureAvailability } from "@/stores/use-user-store";
 import { AdminStatusBadge } from "./admin-ui";
 
-type FeatureKey = "shortDramaEnabled" | "taskCenterEnabled" | "creditsEnabled" | "customChannelsEnabled" | "frontendModelsEnabled" | "pluginCenterEnabled" | "systemPluginsVisibleToUsers";
+type FeatureKey = "shortDramaEnabled" | "taskCenterEnabled" | "creditsEnabled" | "customChannelsEnabled" | "inspirationSourcesVisible" | "frontendModelsEnabled" | "pluginCenterEnabled" | "systemPluginsVisibleToUsers";
 type FeatureRow = {
     key: FeatureKey;
     title: string;
@@ -17,7 +17,7 @@ type FeatureRow = {
     dependsOn?: FeatureKey;
 };
 
-const editableFeatureKeys: FeatureKey[] = ["shortDramaEnabled", "taskCenterEnabled", "creditsEnabled", "customChannelsEnabled", "frontendModelsEnabled", "pluginCenterEnabled", "systemPluginsVisibleToUsers"];
+const editableFeatureKeys: FeatureKey[] = ["shortDramaEnabled", "taskCenterEnabled", "creditsEnabled", "customChannelsEnabled", "inspirationSourcesVisible", "frontendModelsEnabled", "pluginCenterEnabled", "systemPluginsVisibleToUsers"];
 
 const workspaceFeatureRows: FeatureRow[] = [
     {
@@ -44,6 +44,12 @@ const workspaceFeatureRows: FeatureRow[] = [
         description: "允许用户配置并使用自己的模型渠道。",
         icon: <RadioTower className="size-4" aria-hidden="true" />,
     },
+    {
+        key: "inspirationSourcesVisible",
+        title: "素材来源署名",
+        description: "显示创作首页的素材来源说明；关闭后隐藏该面板。",
+        icon: <Sparkles className="size-4" aria-hidden="true" />,
+    },
 ];
 
 const pluginFeatureRows: FeatureRow[] = [
@@ -245,7 +251,7 @@ export default function FeatureAvailabilityPanel() {
                     title="1. 用户工作台入口"
                     description="先决定普通用户能进入哪些核心工作区"
                     icon={<MonitorCog className="size-4" aria-hidden="true" />}
-                    status={<AdminStatusBadge label={`${enabledWorkspaceFeatures}/4 开放`} tone={enabledWorkspaceFeatures === 4 ? "success" : "neutral"} />}
+                    status={<AdminStatusBadge label={`${enabledWorkspaceFeatures}/5 开放`} tone={enabledWorkspaceFeatures === 5 ? "success" : "neutral"} />}
                 >
                     {workspaceFeatureRows.map((row) => (
                         <FeatureSettingRow key={row.key} row={row} saved={savedFeatures} draft={draftFeatures} saving={saving} onChange={requestFeatureChange} />
@@ -351,6 +357,7 @@ function toEditablePayload(features: FeatureAvailability) {
         taskCenterEnabled: features.taskCenterEnabled,
         creditsEnabled: features.creditsEnabled,
         customChannelsEnabled: features.customChannelsEnabled,
+        inspirationSourcesVisible: features.inspirationSourcesVisible,
         frontendModelsEnabled: features.frontendModelsEnabled,
         pluginCenterEnabled: features.pluginCenterEnabled,
         systemPluginsVisibleToUsers: features.systemPluginsVisibleToUsers,
@@ -373,6 +380,7 @@ function parseFeatureAvailability(value: unknown): FeatureAvailability {
         taskCenterEnabled: record.taskCenterEnabled as boolean,
         creditsEnabled: record.creditsEnabled as boolean,
         customChannelsEnabled: record.customChannelsEnabled as boolean,
+        inspirationSourcesVisible: record.inspirationSourcesVisible as boolean,
         frontendModelsEnabled: record.frontendModelsEnabled as boolean,
         pluginCenterEnabled: record.pluginCenterEnabled as boolean,
         systemPluginsVisibleToUsers: record.systemPluginsVisibleToUsers as boolean,
diff --git a/web/src/pages/canvas/canvas-sync-status.css b/web/src/pages/canvas/canvas-sync-status.css
index 3fea0a895..ecedc0fcc 100644
--- a/web/src/pages/canvas/canvas-sync-status.css
+++ b/web/src/pages/canvas/canvas-sync-status.css
@@ -114,6 +114,10 @@
     gap: 8px;
     padding: 0 17px 15px;
 }
+.canvas-sync-panel__conflict-actions {
+    display: grid;
+    gap: 8px;
+}
 .canvas-sync-panel__actions .ant-btn { border-radius: 9px; }
 .canvas-sync-panel__secondary-actions {
     display: flex;
diff --git a/web/src/pages/canvas/canvas-sync-status.tsx b/web/src/pages/canvas/canvas-sync-status.tsx
index 7f6cdfac3..316718fec 100644
--- a/web/src/pages/canvas/canvas-sync-status.tsx
+++ b/web/src/pages/canvas/canvas-sync-status.tsx
@@ -1,13 +1,13 @@
 import { App, Button, Popover } from "antd";
-import { CloudCheck, CloudOff, FileClock, LoaderCircle, RefreshCw } from "lucide-react";
+import { CloudCheck, CloudOff, FileClock, LoaderCircle, RefreshCw, UploadCloud } from "lucide-react";
 import { useState } from "react";
 import { flushCanvasStorePersistence } from "@/stores/canvas/use-canvas-store";
 import { useSyncProgressStore } from "@/stores/use-sync-progress-store";
-import { retryRemoteUserDataSync } from "@/services/user-data-sync";
+import { overwriteRemoteCanvasProject, retryRemoteUserDataSync } from "@/services/user-data-sync";
 import "./canvas-sync-status.css";
 
 export function CanvasSyncStatus({ projectId, onLoadLatest, onOpenVersions }: { projectId: string; onLoadLatest: () => Promise<void>; onOpenVersions?: () => void }) {
-    const { message, modal } = App.useApp();
+    const { message } = App.useApp();
     const progress = useSyncProgressStore((state) => state.syncingProjects[projectId]);
     const [busy, setBusy] = useState(false);
     const [statusOpen, setStatusOpen] = useState(false);
@@ -78,26 +78,20 @@ export function CanvasSyncStatus({ projectId, onLoadLatest, onOpenVersions }: {
         }
     };
 
-    const confirmLoadLatest = () => {
-        modal.confirm({
-            title: "加载云端最新版本？",
-            icon: <CloudOff className="canvas-sync-modal-icon" aria-hidden="true" />,
-            content: (
-                <div className="canvas-sync-confirm-copy">
-                    <p>这不是合并操作：当前编辑器内容会替换为云端版本。</p>
-                    <p>系统会先把本地修改保存为草稿，之后可从“版本记录”查看，不会直接丢失。</p>
-                </div>
-            ),
-            okText: "保留草稿并加载",
-            cancelText: "继续编辑",
-            okButtonProps: { danger: true },
-            onOk: () =>
-                run(async () => {
-                    await onLoadLatest();
-                    setStatusOpen(false);
-                    message.success("云端版本已加载，本地内容已保留为草稿");
-                }),
-        });
+    const loadLatest = () => {
+        void run(async () => {
+            await onLoadLatest();
+            setStatusOpen(false);
+            message.success("云端版本已加载，本地内容已保留为草稿");
+        }).catch(() => undefined);
+    };
+
+    const overwriteCloud = () => {
+        void run(async () => {
+            await overwriteRemoteCanvasProject(projectId);
+            setStatusOpen(false);
+            message.success("本地版本已覆盖云端");
+        }).catch(() => undefined);
     };
 
     return (
@@ -140,8 +134,8 @@ export function CanvasSyncStatus({ projectId, onLoadLatest, onOpenVersions }: {
                         </div>
                     ) : conflict ? (
                         <div className="canvas-sync-panel__callout">
-                            <strong>先保护本地，再决定版本</strong>
-                            <span>{progress?.draftCount ? `已保留 ${progress.draftCount} 份本地草稿。` : "加载云端版前会先保留本地草稿。"} 这是替换，不是合并。</span>
+                            <strong>请选择保留哪一版</strong>
+                            <span>{progress?.draftCount ? `已保留 ${progress.draftCount} 份本地草稿。` : "本地内容仍在编辑器中。"} 加载云端版会替换当前编辑内容；用本地版覆盖会替换云端内容。</span>
                         </div>
                     ) : cloudError ? (
                         <div className="canvas-sync-panel__callout">
@@ -184,9 +178,20 @@ export function CanvasSyncStatus({ projectId, onLoadLatest, onOpenVersions }: {
                                 立即重试本地保存
                             </Button>
                         ) : null}
-                        <Button block icon={<CloudOff className="size-3.5" />} disabled={busy || saving || localPending || localError} onClick={confirmLoadLatest}>
-                            加载云端版
-                        </Button>
+                        {conflict ? (
+                            <div className="canvas-sync-panel__conflict-actions">
+                                <Button block icon={<CloudOff className="size-3.5" />} disabled={busy || saving || localPending || localError} onClick={loadLatest}>
+                                    加载云端版
+                                </Button>
+                                <Button type="primary" block icon={<UploadCloud className="size-3.5" />} danger disabled={busy || saving || localPending || localError || Boolean(progress?.draftError)} onClick={overwriteCloud}>
+                                    用本地版覆盖云端
+                                </Button>
+                            </div>
+                        ) : (
+                            <Button block icon={<CloudOff className="size-3.5" />} disabled={busy || saving || localPending || localError} onClick={loadLatest}>
+                                加载云端版
+                            </Button>
+                        )}
                         <div className="canvas-sync-panel__secondary-actions">
                             {onOpenVersions ? (
                                 <Button
diff --git a/web/src/pages/canvas/use-canvas-generation-executor.ts b/web/src/pages/canvas/use-canvas-generation-executor.ts
index 774b4e895..d32ab96d0 100644
--- a/web/src/pages/canvas/use-canvas-generation-executor.ts
+++ b/web/src/pages/canvas/use-canvas-generation-executor.ts
@@ -136,6 +136,7 @@ export function useCanvasGenerationExecutor({
 
                     const sourceTextContent = sourceNode?.type === CanvasNodeType.Text ? sourceNode.metadata?.content?.trim() || "" : "";
                     const editingTextNode = mode === "text" && Boolean(sourceTextContent);
+                    const markSourceStatus = !sourceNode?.metadata?.content && !editingTextNode;
                     let generationPrompt = mode === "image" && sourceNode?.metadata?.portraitTexture ? buildPortraitTexturePrompt(prompt, sourceNode.metadata.portraitTexture) : prompt;
                     if (mode === "image" && sourceNode?.metadata?.cameraControl?.enabled) {
                         const cameraControl = sourceNode.metadata.cameraControl;
@@ -143,6 +144,30 @@ export function useCanvasGenerationExecutor({
                         generationPrompt = `${generationPrompt}\n${cameraPrompt}`;
                     }
                     const isPreparingEmptyImage = mode === "image" && sourceNode?.type === CanvasNodeType.Image && !sourceNode.metadata?.content;
+                    const preparationController = startGenerationRequest(nodeId, nodeId, nodeId, options?.controller);
+                    setRunningNodeId(nodeId);
+                    if (markSourceStatus)
+                        setNodes((current) =>
+                            current.map((node) =>
+                                node.id === nodeId
+                                    ? {
+                                          ...node,
+                                          metadata: {
+                                              ...node.metadata,
+                                              ...canvasGenerationPromptMetadata(prompt, prompt),
+                                              status: NODE_STATUS_LOADING,
+                                              taskStage: "正在准备参考素材",
+                                              taskProgress: 0,
+                                              taskCreatedAt: new Date().toISOString(),
+                                              errorDetails: undefined,
+                                              generationErrorCode: undefined,
+                                              resourceReloadAvailable: undefined,
+                                              failedPromptFingerprint: undefined,
+                                          },
+                                      }
+                                    : node,
+                            ),
+                        );
 
                     let rawGenerationContext: Awaited<ReturnType<typeof hydrateNodeGenerationContext>>;
                     // AutoDL/其他声明式视频协议需要结构化参考素材；只有普通
@@ -164,7 +189,7 @@ export function useCanvasGenerationExecutor({
                         const compatibilityError = usesWorkflowProvider ? "" : modelCompatibilityError(generationConfig, generationConfig.model, requirements);
                         if (compatibilityError) throw new Error(`当前模型无法支持这组输入和参数：${compatibilityError}`);
                         const referenceLimits = usesWorkflowProvider ? undefined : modelGroupReferenceLimits(effectiveConfig, generationConfig.model, mode, requirements);
-                        rawGenerationContext = await hydrateNodeGenerationContext(baseContext, projectId, domainProjectId, mode, mode === "video" && Boolean(referenceLimits?.maxAudios), !promptOnly, referenceLimits);
+                        rawGenerationContext = await hydrateNodeGenerationContext(baseContext, projectId, domainProjectId, mode, mode === "video" && Boolean(referenceLimits?.maxAudios), !promptOnly, referenceLimits, false);
                         const hydratedRequirements = generationModelRequirements(mode, rawGenerationContext, sourceNode, generationConfig);
                         generationConfig = buildGenerationConfig(effectiveConfig, sourceNode, mode, hydratedRequirements);
                         const hydratedCompatibilityError = usesWorkflowProvider ? "" : modelCompatibilityError(generationConfig, generationConfig.model, hydratedRequirements);
@@ -172,6 +197,8 @@ export function useCanvasGenerationExecutor({
                     } catch (error) {
                         const errorDetails = generationErrorMessage(error);
                         message.error(errorDetails);
+                        finishGenerationRequest(nodeId, preparationController);
+                        setRunningNodeId(null);
                         return;
                     }
 
@@ -180,6 +207,8 @@ export function useCanvasGenerationExecutor({
                         skillExecution = await skillRuntime.prepare({ profile: "canvas", prompt: rawGenerationContext.prompt, skills: addedSkills });
                     } catch (error) {
                         message.error(error instanceof Error ? error.message : "技能上下文加载失败");
+                        finishGenerationRequest(nodeId, preparationController);
+                        setRunningNodeId(null);
                         return;
                     }
                     let effectivePrompt = skillExecution.prompt.trim();
@@ -194,28 +223,38 @@ export function useCanvasGenerationExecutor({
                         } catch (error) {
                             const errorDetails = generationErrorMessage(error);
                             message.error(errorDetails);
+                            finishGenerationRequest(nodeId, preparationController);
+                            setRunningNodeId(null);
                             return;
                         }
                     }
                     const promptLengthError = mode === "video" ? modelPromptLengthError(generationConfig, generationConfig.model, mode, effectivePrompt) : "";
                     if (promptLengthError) {
                         message.error(promptLengthError);
+                        finishGenerationRequest(nodeId, preparationController);
+                        setRunningNodeId(null);
                         return;
                     }
                     const generationContext = { ...rawGenerationContext, prompt: effectivePrompt };
                     if (mode === "audio" && generationContext.characterReferences.length) {
                         if (generationContext.characterReferences.length !== 1) {
                             message.error("角色配音一次只能引用一个角色卡");
+                            finishGenerationRequest(nodeId, preparationController);
+                            setRunningNodeId(null);
                             return;
                         }
                         const voice = generationContext.resolvedCharacterVoices[0];
                         if (!voice) {
                             message.error("角色尚未绑定可用声音，无法创建角色配音任务");
+                            finishGenerationRequest(nodeId, preparationController);
+                            setRunningNodeId(null);
                             return;
                         }
                         generationConfig = { ...generationConfig, audioVoice: voice.voiceKey, audioInstructions: [voice.instructions, generationConfig.audioInstructions].filter(Boolean).join("；") };
                     }
                     if (!effectivePrompt && (mode === "text" || mode === "audio")) {
+                        finishGenerationRequest(nodeId, preparationController);
+                        setRunningNodeId(null);
                         return;
                     }
 
@@ -251,10 +290,13 @@ export function useCanvasGenerationExecutor({
                         context: generationContext,
                     });
                     const duplicateConfirmationRequired = !options?.skipDuplicateConfirmation && !options?.retryContext && sourceNode?.metadata?.lastGenerationRequestFingerprint === requestFingerprint;
-                    if (duplicateConfirmationRequired && !(await confirmDuplicateSubmission())) return;
+                    if (duplicateConfirmationRequired && !(await confirmDuplicateSubmission())) {
+                        finishGenerationRequest(nodeId, preparationController);
+                        setRunningNodeId(null);
+                        return;
+                    }
 
-                    setRunningNodeId(nodeId);
-                    const controller = startGenerationRequest(nodeId, nodeId, nodeId, options?.controller);
+                    const controller = preparationController;
                     if (controller.signal.aborted) {
                         finishGenerationRequest(nodeId, controller);
                         setRunningNodeId(null);
@@ -286,7 +328,6 @@ export function useCanvasGenerationExecutor({
                     }
 
                     // 已有内容节点只是本次生成的来源；任务状态归新目标所有，不能覆盖已成功结果。
-                    const markSourceStatus = !sourceNode?.metadata?.content && !editingTextNode;
                     const statusPrompt = sourceNode?.type === CanvasNodeType.Config ? effectivePrompt : prompt;
                     if (markSourceStatus)
                         setNodes((current) =>
diff --git a/web/src/pages/canvas/use-canvas-generation-retry.ts b/web/src/pages/canvas/use-canvas-generation-retry.ts
index ebac9e9a7..d9c485c10 100644
--- a/web/src/pages/canvas/use-canvas-generation-retry.ts
+++ b/web/src/pages/canvas/use-canvas-generation-retry.ts
@@ -146,7 +146,7 @@ export function useCanvasGenerationRetry({
                 rawContext =
                     hasSavedImageMetadata && !baseContext.characterReferences.length
                         ? null
-                        : await hydrateNodeGenerationContext(baseContext, projectId, domainProjectId, retryMode, retryMode === "video" && supportsVideoReferenceAudio(generationConfig), !promptOnly);
+                        : await hydrateNodeGenerationContext(baseContext, projectId, domainProjectId, retryMode, retryMode === "video" && supportsVideoReferenceAudio(generationConfig), !promptOnly, undefined, false);
             } catch (error) {
                 const failure = generationFailureMetadata(error, retryPromptSource);
                 message.error(failure.errorDetails);
diff --git a/web/src/pages/canvas/use-canvas-project-lifecycle.ts b/web/src/pages/canvas/use-canvas-project-lifecycle.ts
index cd3b9e5a9..18bf343f0 100644
--- a/web/src/pages/canvas/use-canvas-project-lifecycle.ts
+++ b/web/src/pages/canvas/use-canvas-project-lifecycle.ts
@@ -393,7 +393,7 @@ export function useCanvasProjectLifecycle({
     const forceSaveCanvasProject = useCallback(async (): Promise<boolean> => {
         try { await persistLocalEdits(); } catch { message.error("本地保存失败，请重试"); return false; }
         try {
-            const result = await forceOverwriteRemoteCanvasSync();
+            const result = await forceOverwriteRemoteCanvasSync(projectId);
             message.success(result.reboundNodes > 0 ? `已保存，并修复 ${result.reboundNodes} 处媒体与素材的绑定` : "素材关联已核对，画布已保存");
         } catch (error) {
             message.error(`修复并保存失败：${error instanceof Error ? error.message : "未知错误"}`);
diff --git a/web/src/pages/create/creation-gallery-gesture.ts b/web/src/pages/create/creation-gallery-gesture.ts
new file mode 100644
index 000000000..352fb534f
--- /dev/null
+++ b/web/src/pages/create/creation-gallery-gesture.ts
@@ -0,0 +1,35 @@
+/** 每次有意滚动切换一张；惯性衰减不翻页，再次发力无需等待惯性完全停止。 */
+export function createGalleryWheelGesture() {
+    let lastAt = -Infinity;
+    let steppedAt = -Infinity;
+    let lastDirection = 0;
+    let lastMagnitude = 0;
+    let peak = 0;
+    let total = 0;
+    let stepped = false;
+
+    return (delta: number, now: number): -1 | 0 | 1 => {
+        const magnitude = Math.abs(delta);
+        if (magnitude < 0.5) return 0;
+        const direction = delta > 0 ? 1 : -1;
+        const idle = now - lastAt >= 160;
+        const reversed = direction !== lastDirection;
+        const renewed = stepped && now - steppedAt >= 180
+            && lastMagnitude < peak * 0.6
+            && magnitude >= Math.max(8, lastMagnitude * 1.8);
+        if (idle || reversed || renewed) {
+            total = 0;
+            peak = 0;
+            stepped = false;
+        }
+        lastAt = now;
+        lastDirection = direction;
+        lastMagnitude = magnitude;
+        peak = Math.max(peak, magnitude);
+        total += magnitude;
+        if (stepped || total < 8) return 0;
+        stepped = true;
+        steppedAt = now;
+        return direction;
+    };
+}
diff --git a/web/src/pages/create/creation-inspiration-tunnel.css b/web/src/pages/create/creation-inspiration-tunnel.css
index 07a485557..227db3a89 100644
--- a/web/src/pages/create/creation-inspiration-tunnel.css
+++ b/web/src/pages/create/creation-inspiration-tunnel.css
@@ -8,35 +8,19 @@
 
    滚轮或左右按钮切换，切换靠 transform / opacity 的 transition 平滑过渡。 */
 
-/* 内容层压住画廊，但指针事件要能穿过空白处，否则整条画廊都点不到；
-   真正的交互元素由下面一条规则恢复命中。 */
+/* 标题、画廊和输入区共用文档流；短窗口通过 main 滚动，不再相互覆盖。 */
 .creation-home .creation-empty-workspace {
     position: relative;
-    z-index: 1;
-    pointer-events: none;
-}
-
-.creation-home .creation-empty-workspace > * {
-    pointer-events: auto;
-}
-
-/* 画廊占中上部、输入框沉到下方：
-   先把 main 的居中改掉，否则 justify-content: center 会吃掉 margin-top: auto。 */
-.creation-home .creation-empty-workspace {
     justify-content: flex-start;
 }
 
-.creation-home .creation-home-heading {
-    margin-top: clamp(16px, 5vh, 52px);
+.creation-home .creation-empty-workspace > * {
+    flex-shrink: 0;
 }
 
 .creation-home .creation-empty-workspace > .creation-launchpad {
-    position: absolute;
-    left: 50%;
-    bottom: clamp(16px, 5vh, 52px);
-    width: min(960px, calc(100% - 32px));
+    width: min(960px, 100%);
     margin: 0;
-    transform: translateX(-50%);
 }
 
 /* ── 让画廊从内容区背后穿过 ──
@@ -71,35 +55,28 @@
     text-shadow: 0 1px 14px var(--creation-bg, var(--workspace-page));
 }
 
-/* ── 画廊本体 ──
-   上下边界同时定义在这里，两侧切换按钮靠它们算出纵向居中位置。 */
+/* 卡片尺寸取当前内容宽度和窗口高度的较小值，含悬停位移的空间一起占位。 */
 .creation-inspiration-tunnel {
-    /* 上边让开标题，下边让开输入框——前卡刚好停在输入框上沿之上。 */
-    --gallery-top: clamp(120px, 14vh, 184px);
-    --gallery-bottom: clamp(430px, 48vh, 550px);
-
-    position: absolute;
-    inset: 0;
-    z-index: 0;
+    --gallery-card-width: min(440px, 64cqw, 40dvh);
+    --gallery-step: clamp(64px, 16cqw, 185px);
+    position: relative;
+    isolation: isolate;
+    container-type: inline-size;
+    width: 100%;
+    flex: 1 0 auto;
     overflow: hidden;
-    pointer-events: none;
 }
 
 .creation-gallery-stage {
-    position: absolute;
-    top: var(--gallery-top);
-    right: 0;
-    bottom: var(--gallery-bottom);
-    left: 0;
-    /* 只有舞台能收到滚轮，避免整页滚动被劫持。 */
-    pointer-events: auto;
+    position: relative;
+    height: calc(var(--gallery-card-width) * 9 / 16 + 48px);
 }
 
 .creation-tunnel-card {
     position: absolute;
     top: 50%;
     left: 50%;
-    width: min(440px, 40vw);
+    width: var(--gallery-card-width);
     aspect-ratio: 16 / 9;
     margin: 0;
     padding: 0;
@@ -128,8 +105,8 @@
     /* 只动 transform 和 opacity，两者都能交给合成层，不触发重排重绘。
        缓动先缓后快再长尾软着陆，观感是镜头平稳推拉而不是"弹"过去。 */
     transition:
-        transform 660ms cubic-bezier(0.32, 0.72, 0, 1),
-        opacity 520ms cubic-bezier(0.4, 0, 0.2, 1);
+        transform 460ms cubic-bezier(0.32, 0.72, 0, 1),
+        opacity 380ms cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 /* 封面已就绪：放行这张卡。 */
@@ -224,28 +201,33 @@
 /* ── 左右切换按钮 ── */
 .creation-gallery-arrow {
     position: absolute;
-    /* 对齐画廊那条带子的纵向中线，而不是整屏中线——输入框在下面，整屏中线偏低。 */
-    top: calc((100% - var(--gallery-top) - var(--gallery-bottom)) / 2 + var(--gallery-top));
+    top: calc((var(--gallery-card-width) * 9 / 16 + 48px) / 2);
+    z-index: 180;
     display: grid;
     place-items: center;
-    width: 46px;
-    height: 46px;
+    width: 52px;
+    height: 52px;
     padding: 0;
-    color: var(--user-ink, #fff);
-    background: color-mix(in srgb, var(--user-surface) 62%, transparent);
-    border: 1px solid color-mix(in srgb, var(--user-ink) 14%, transparent);
+    color: var(--creation-bg, #fff);
+    background: var(--creation-text, #1d2024);
+    border: 1px solid color-mix(in srgb, var(--creation-bg, #fff) 58%, var(--creation-text, #1d2024));
     border-radius: var(--r-full, 999px);
-    box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.55);
+    box-shadow:
+        0 0 0 4px color-mix(in srgb, var(--creation-text, #1d2024) 10%, transparent),
+        0 16px 30px -14px color-mix(in srgb, #000 64%, transparent);
     -webkit-backdrop-filter: blur(18px) saturate(1.3);
     backdrop-filter: blur(18px) saturate(1.3);
     cursor: pointer;
     pointer-events: auto;
-    /* 用整条 transform 表达"居中 + 悬停放大"：
+    touch-action: manipulation;
+    opacity: 0.96;
+    /* 用整条 transform 表达“居中 + 悬停放大”：
        换成 scale 独立属性会插在 transform 之前合成，按钮会跟着往下掉。 */
     transform: translateY(-50%);
     transition:
         transform var(--user-motion, 180ms) ease,
         background-color var(--user-motion, 180ms) ease,
+        box-shadow var(--user-motion, 180ms) ease,
         color var(--user-motion, 180ms) ease;
 }
 
@@ -258,7 +240,15 @@
 }
 
 .creation-gallery-arrow:hover {
+    background: color-mix(in srgb, var(--creation-text, #1d2024) 88%, var(--creation-accent, var(--creation-text, #1d2024)));
     transform: translateY(-50%) scale(1.08);
+    box-shadow:
+        0 0 0 5px color-mix(in srgb, var(--creation-text, #1d2024) 14%, transparent),
+        0 18px 34px -12px color-mix(in srgb, #000 70%, transparent);
+}
+
+.creation-gallery-arrow:active {
+    transform: translateY(-50%) scale(0.96);
 }
 
 .creation-gallery-arrow:focus-visible {
@@ -290,12 +280,16 @@
 
 /* 素材来源署名：CC BY 4.0 要求可追溯，画廊形态下不再有灵感分区页脚。 */
 .creation-inspiration-credit {
-    position: absolute;
-    right: 22px;
-    bottom: 14px;
-    z-index: 2;
-    max-width: 62ch;
-    color: var(--creation-faint, var(--user-ink-soft));
+    align-self: flex-end;
+    margin-top: var(--space-4);
+    max-width: min(62ch, 100%);
+    padding: 7px 10px;
+    border: 1px solid color-mix(in srgb, var(--user-ink, #fff) 16%, transparent);
+    border-radius: var(--r-md, 10px);
+    background: color-mix(in srgb, var(--user-surface, #101214) 86%, transparent);
+    box-shadow: 0 8px 24px color-mix(in srgb, #000 16%, transparent);
+    backdrop-filter: blur(10px);
+    color: var(--user-ink, #fff);
     font-size: var(--fs-caption, 12px);
     line-height: 1.6;
 }
@@ -347,30 +341,13 @@
 
 /* 窄屏：横向偏移收小一点，免得侧翼卡片被裁掉。 */
 @media (max-width: 1100px) {
-    .creation-inspiration-tunnel {
-        --gallery-top: clamp(72px, 11vh, 132px);
-        --gallery-bottom: clamp(210px, 33vh, 320px);
-    }
-
-    .creation-tunnel-card {
-        width: min(400px, 48vw);
-    }
-
     .creation-gallery-arrow {
-        width: 40px;
-        height: 40px;
+        width: 48px;
+        height: 48px;
     }
 }
 
 @media (max-width: 640px) {
-    .creation-inspiration-credit {
-        right: 14px;
-    }
-
-    .creation-tunnel-card {
-        width: 68vw;
-    }
-
     .creation-tunnel-card-desc {
         -webkit-line-clamp: 1;
     }
diff --git a/web/src/pages/create/creation-inspiration-tunnel.tsx b/web/src/pages/create/creation-inspiration-tunnel.tsx
index eab4bf90b..2eb3b1854 100644
--- a/web/src/pages/create/creation-inspiration-tunnel.tsx
+++ b/web/src/pages/create/creation-inspiration-tunnel.tsx
@@ -20,12 +20,11 @@ import { useReducedMotion } from "motion/react";
 import { catalogIdOf, type CreationInspiration } from "@/lib/inspirations/catalog";
 import { loadGalleryPool } from "@/services/inspiration-catalog";
 import type { CreationMode } from "./creation-types";
+import { createGalleryWheelGesture } from "./creation-gallery-gesture";
 import "./creation-inspiration-tunnel.css";
 
 /** 画廊里排队展示的照片数，取奇数，两侧层数才对得齐。 */
 const GALLERY_SIZE = 11;
-/** 每后退一层的横向偏移（px）。 */
-const STEP_X = 185;
 /** 每后退一层的纵深（px）。 */
 const STEP_Z = 150;
 /** 虚拟焦距，只用来算出"后退一层缩多少"，不再是 CSS perspective。 */
@@ -181,24 +180,23 @@ export function CreationInspirationTunnel({ mode, onStartPrompt }: { mode: Creat
         return () => document.removeEventListener("visibilitychange", handleVisibility);
     }, []);
 
-    // 滚轮切换：向上退到上一张、向下进到下一张。
+    // 只在画廊区域消费滚轮，缩放手势仍由浏览器处理。
     useEffect(() => {
         const node = stageRef.current;
         if (!node) return;
-        let latched = false;
+        const gesture = createGalleryWheelGesture();
         const handleWheel = (event: WheelEvent) => {
+            if (event.ctrlKey || shots.length < 2) return;
+            const rawDelta = Math.abs(event.deltaX) > Math.abs(event.deltaY) ? event.deltaX : event.deltaY;
+            const delta = rawDelta * (event.deltaMode === 1 ? 16 : event.deltaMode === 2 ? node.clientHeight : 1);
+            if (Math.abs(delta) < 0.5) return;
             event.preventDefault();
-            // 触控板一次滑动会连发多个事件，锁一小段时间，避免一次滑过好几张。
-            if (latched) return;
-            latched = true;
-            window.setTimeout(() => {
-                latched = false;
-            }, 240);
-            step(event.deltaY > 0 ? 1 : -1);
+            const direction = gesture(delta, performance.now());
+            if (direction) step(direction);
         };
         node.addEventListener("wheel", handleWheel, { passive: false });
         return () => node.removeEventListener("wheel", handleWheel);
-    }, [step]);
+    }, [step, shots.length]);
 
     const current = shots[active];
 
@@ -217,9 +215,9 @@ export function CreationInspirationTunnel({ mode, onStartPrompt }: { mode: Creat
                     // 超出可见层数就靠透明度淡出，不切 visibility——
                     // 硬切会让最远那张在过渡中途"啪"地消失。
                     const style = {
-                        "--card-x": `${(Math.sign(relative) * STEP_X * depth).toFixed(1)}px`,
+                        "--card-x": `calc(${relative} * var(--gallery-step))`,
                         "--card-scale": depthScale(depth).toFixed(4),
-                        "--card-depth-opacity": `${DEPTH_OPACITY[Math.min(depth, DEPTH_OPACITY.length - 1)]}`,
+                        "--card-depth-opacity": depth > MAX_DEPTH ? "0" : `${DEPTH_OPACITY[depth]}`,
                         zIndex: `${100 - depth}`,
                     } as CSSProperties;
 
diff --git a/web/src/pages/create/creation-product.css b/web/src/pages/create/creation-product.css
index 5acb216ce..bb2c76928 100644
--- a/web/src/pages/create/creation-product.css
+++ b/web/src/pages/create/creation-product.css
@@ -272,3 +272,17 @@ html:not(.dark) .app-product-overlays .creation-control-popover .ant-popover-inn
 html:not(.dark) .app-product-overlays .creation-control-popover-surface {
     box-shadow: 0 16px 40px rgba(25, 25, 30, .12) !important;
 }
+
+/* 长提示词保持编辑器可控：按当前字号最多展示约 12 行，继续输入时只在编辑区内部滚动。 */
+.creation-home .creation-chat-editor textarea,
+.creation-home .creation-chat-mention-editor {
+    max-height: 18.6em !important;
+    overflow-x: hidden !important;
+    overflow-y: auto !important;
+    overscroll-behavior: contain;
+    scrollbar-gutter: stable;
+}
+
+.creation-home .creation-chat-mention-container {
+    min-height: 0 !important;
+}
\ No newline at end of file
diff --git a/web/src/pages/create/creation-types.ts b/web/src/pages/create/creation-types.ts
index 7ca2cd680..2af3f6228 100644
--- a/web/src/pages/create/creation-types.ts
+++ b/web/src/pages/create/creation-types.ts
@@ -1,5 +1,6 @@
 import type { GenerationRetryContext } from "@/lib/canvas/canvas-project-generation";
 import { formatVideoResolutionLabel as videoResolutionLabel, VIDEO_RESOLUTION_OPTIONS } from "@/lib/video-generation-options";
+import { imageQualityDescription, imageQualityLabel } from "@/lib/image-quality";
 import type { CreationAttachment, CreationMode } from "./creation-assets";
 import type { CreationReference } from "./creation-references";
 
@@ -49,13 +50,7 @@ export const ratioOptions = [
     { value: "21:9", label: "宽银幕" },
 ];
 export const qualityOptions = [
-    { value: "auto", label: "自动", description: "由模型决定" },
-    { value: "low", label: "低", description: "更快生成" },
-    { value: "medium", label: "中", description: "均衡模式" },
-    { value: "high", label: "高", description: "优先细节" },
-    // grok2api / xAI Imagine：quality 映射 resolution
-    { value: "1k", label: "1K", description: "标准清晰度" },
-    { value: "2k", label: "2K", description: "更高清晰度" },
+    ...["auto", "low", "medium", "high", "xhigh", "max", "1k", "2k", "4k"].map((value) => ({ value, label: imageQualityLabel(value), description: imageQualityDescription(value) })),
 ];
 export const resolutionOptions = VIDEO_RESOLUTION_OPTIONS.map((value) => ({ value: String(value), label: videoResolutionLabel(value) }));
 export const countOptions = ["1", "2", "3", "4"];
diff --git a/web/src/pages/create/creation-workspace.tsx b/web/src/pages/create/creation-workspace.tsx
index 4928eb564..16386c22c 100644
--- a/web/src/pages/create/creation-workspace.tsx
+++ b/web/src/pages/create/creation-workspace.tsx
@@ -22,6 +22,7 @@ import { formatShotOrdinal } from "@/lib/shot-label";
 import { buildImageResolutionOptions, formatImageResolutionSize, supportsImageResolutionPresets } from "@/lib/image-resolution-tiers";
 import { normalizeVideoValue, videoDurationOptions, type ImageCapabilityConfig, type VideoCapabilityConfig } from "@/lib/model-capabilities";
 import { mergedImageCapabilityConfig, type ModelRequirements } from "@/lib/model-selection";
+import { imageQualityLabel } from "@/lib/image-quality";
 import { modelQuoteDescription, modelQuoteRequest } from "@/lib/model-pricing";
 import { quoteModel, type LogicalModelQuote } from "@/services/api/logical-models";
 import { modelOptionName, resolveModelChannel, type AiConfig } from "@/stores/use-config-store";
@@ -471,7 +472,7 @@ function ModePicker({ mode, onModeChange }: { mode: CreationMode; onModeChange:
 
 function GenerationSettingsMenu(props: ComposerProps) {
     const [open, setOpen] = useState(false);
-    const activeQualityOptions = props.imageProfile.quality.values.map((value) => qualityOptions.find((item) => item.value === value) || { value, label: value.toUpperCase(), description: "模型支持的质量/分辨率" });
+    const activeQualityOptions = props.imageProfile.quality.values.map((value) => qualityOptions.find((item) => item.value === value) || { value, label: imageQualityLabel(value), description: "模型支持的质量/分辨率" });
     const qualityLabel = activeQualityOptions.find((item) => item.value === props.quality)?.label || qualityOptions.find((item) => item.value === props.quality)?.label || props.quality || "自动";
     // 尺寸/比例/分辨率选项取同显示名分组内全部模型的并集，路由模型只决定发送参数。
     const mergedProfile = mergedImageCapabilityConfig(props.config, props.model || props.config.imageModel);
diff --git a/web/src/pages/create/index.tsx b/web/src/pages/create/index.tsx
index 09a51c2de..3de406922 100644
--- a/web/src/pages/create/index.tsx
+++ b/web/src/pages/create/index.tsx
@@ -103,6 +103,7 @@ export default function CreatePage() {
     const [hydrated, setHydrated] = useState(false);
     const userId = useUserStore((state) => state.user?.id || null);
     const userSessionHydrated = useUserStore((state) => state.hydrated);
+    const inspirationSourcesVisible = useUserStore((state) => state.features.inspirationSourcesVisible);
     const [conversationScope, setConversationScope] = useState<string | null>(null);
     const [mode, setMode] = useState<CreationMode>(() => initialComposerPreferences.mode || defaultCreationMode);
     const [prompt, setPrompt] = useState("");
@@ -1064,15 +1065,15 @@ export default function CreatePage() {
                         }}><Maximize2 /></button></Tooltip>
                     </motion.div> : null}
                 </AnimatePresence>
-                <CreationInspirationTunnel
-                    mode={mode}
-                    onStartPrompt={(nextMode, prompt) => { setAgentMode(false); selectMode(nextMode); setPrompt(prompt); window.requestAnimationFrame(() => composerFocusRef.current?.focus()); }}
-                />
                 <main ref={threadScrollRef} onScroll={handleThreadScroll} className="creation-empty-workspace creation-scrollbar">
                 <div className="creation-home-heading">
                     <h1>和{brandName}聊聊创作想法</h1>
                     <p>从一个画面、一个角色或一句话开始，继续你的创作。</p>
                 </div>
+                <CreationInspirationTunnel
+                    mode={mode}
+                    onStartPrompt={(nextMode, prompt) => { setAgentMode(false); selectMode(nextMode); setPrompt(prompt); window.requestAnimationFrame(() => composerFocusRef.current?.focus()); }}
+                />
                 <section ref={launchpadRef} className="creation-launchpad" aria-label="开始创作">
                     <div className={cn("creation-composer-stage is-home-mode", agentMode && "is-agent-mode")}>
                         <CreationModeTabs mode={mode} agentActive={agentMode} onAgentSelect={() => setAgentMode(true)} onModeChange={(next) => { setAgentMode(false); selectMode(next); }} />
@@ -1083,8 +1084,7 @@ export default function CreatePage() {
                         onOpenLibrary={() => { setAgentMode(false); selectMode("image"); setLibraryOpen(true); }}
                     />
                 </section>
-                </main>
-                <div className="creation-inspiration-credit">
+                {inspirationSourcesVisible ? <div className="creation-inspiration-credit">
                     <details>
                         <summary>素材来源</summary>
                         {declaredInspirationSources().map((source) => (
@@ -1101,7 +1101,8 @@ export default function CreatePage() {
                             </p>
                         ))}
                     </details>
-                </div>
+                </div> : null}
+                </main>
             </> : <div className="creation-thread-workbench">
                 <CreationWorkspaceToolbar onNewConversation={startNewConversation} onOpenHistory={() => setHistoryOpen(true)} shots={videoShots} onJumpToShot={jumpToShot} onContinueCanvas={() => void continueOnCanvas()} openingCanvas={openingCanvas} />
                 <main ref={threadScrollRef} onScroll={handleThreadScroll} className="creation-thread-scroll creation-scrollbar">
diff --git a/web/src/pages/projects/detail/workflow-production-workbench.tsx b/web/src/pages/projects/detail/workflow-production-workbench.tsx
index 01c241d96..0caf91a4e 100644
--- a/web/src/pages/projects/detail/workflow-production-workbench.tsx
+++ b/web/src/pages/projects/detail/workflow-production-workbench.tsx
@@ -15,6 +15,7 @@ import { useDebouncedValue } from "@/hooks/use-debounced-value";
 import { ModelPicker } from "@/components/model-picker";
 import { CreditSymbol, requestCreditCost } from "@/constant/credits";
 import { modelCapabilityConfigFor, normalizeImageValue, normalizeVideoValue, videoDurationOptions } from "@/lib/model-capabilities";
+import { imageQualityLabel } from "@/lib/image-quality";
 import { modelQuoteDescription, modelQuoteRequest } from "@/lib/model-pricing";
 import { customShotTitle, formatShotOrdinal, normalizeDefaultShotTitle } from "@/lib/shot-label";
 import { modelCompatibilityError, resolveCompatibleModel, resolveModelVideoBooleanOptions, type ModelRequirements } from "@/lib/model-selection";
@@ -516,7 +517,7 @@ export default function WorkflowProductionWorkbench(props: Props) {
                                         {generationCapability === "video" ? (
                                             <Form.Item label="分辨率"><Select value={resolution} onChange={setResolution} options={(videoProfile?.resolutions || []).map((value) => ({ value, label: formatVideoResolutionLabel(value) }))} /></Form.Item>
                                         ) : imageProfile?.quality.supported && !imageResolutionUsesQuality(imageProfile) ? (
-                                            <Form.Item label="生成画质"><Select value={imageQuality} onChange={setImageQuality} options={imageProfile.quality.values.map((value) => ({ value, label: value.toUpperCase() }))} /></Form.Item>
+                                            <Form.Item label="生成画质"><Select value={imageQuality} onChange={setImageQuality} options={imageProfile.quality.values.map((value) => ({ value, label: imageQualityLabel(value) }))} /></Form.Item>
                                         ) : <div />}
                                     </div>
                                     {generationCapability === "image" && imageProfile ? <ImageSizePicker profile={imageProfile} size={aspectRatio} quality={imageQuality} onChange={(size, quality) => { setAspectRatio(size); if (quality) setImageQuality(quality); }} /> : null}
diff --git a/web/src/services/api/auth.ts b/web/src/services/api/auth.ts
index b60df7abc..2ef369cc8 100644
--- a/web/src/services/api/auth.ts
+++ b/web/src/services/api/auth.ts
@@ -439,7 +439,7 @@ export function getAdminFeatureAvailability() {
 }
 
 export function updateAdminFeatureAvailability(
-    features: Partial<Pick<FeatureAvailability, "welcomeEnabled" | "shortDramaEnabled" | "taskCenterEnabled" | "creditsEnabled" | "customChannelsEnabled" | "frontendModelsEnabled" | "pluginCenterEnabled" | "systemPluginsVisibleToUsers">>,
+    features: Partial<Pick<FeatureAvailability, "welcomeEnabled" | "shortDramaEnabled" | "taskCenterEnabled" | "creditsEnabled" | "customChannelsEnabled" | "frontendModelsEnabled" | "pluginCenterEnabled" | "systemPluginsVisibleToUsers" | "inspirationSourcesVisible">>,
 ) {
     return http.patch<{ features: FeatureAvailability }>("/admin/settings/features", features);
 }
diff --git a/web/src/services/skill-defaults.ts b/web/src/services/skill-defaults.ts
new file mode 100644
index 000000000..a5769f405
--- /dev/null
+++ b/web/src/services/skill-defaults.ts
@@ -0,0 +1,26 @@
+import { addSkill, getSkill, listAddedSkills, type Skill } from "@/services/api/skills";
+
+/** 新画布 Agent 的单一默认技能；已有画布的会话选择不由此常量覆盖。 */
+export const DEFAULT_CANVAS_AGENT_SKILL_ID = "yingce-short-drama-workflow";
+
+export type AddedSkillsResult = { skills: Skill[] };
+
+/**
+ * 确保默认技能既存在于用户技能库，也能作为本轮 Agent 的已选技能使用。
+ * 先读已安装列表，只有首次需要时才写入用户技能状态。
+ */
+export async function ensureDefaultCanvasAgentSkill(dependencies: {
+    listAdded?: typeof listAddedSkills;
+    get?: typeof getSkill;
+    add?: typeof addSkill;
+} = {}): Promise<AddedSkillsResult> {
+    const list = dependencies.listAdded || listAddedSkills;
+    const get = dependencies.get || getSkill;
+    const add = dependencies.add || addSkill;
+    const added = await list();
+    if (added.skills.some((skill) => skill.skillId === DEFAULT_CANVAS_AGENT_SKILL_ID && skill.isAdded)) return added;
+
+    const detail = await get(DEFAULT_CANVAS_AGENT_SKILL_ID);
+    if (!detail.skill.isAdded) await add(DEFAULT_CANVAS_AGENT_SKILL_ID);
+    return list();
+}
diff --git a/web/src/services/user-data-sync.ts b/web/src/services/user-data-sync.ts
index 39a7d5144..574cd6391 100644
--- a/web/src/services/user-data-sync.ts
+++ b/web/src/services/user-data-sync.ts
@@ -403,7 +403,9 @@ export function installRemoteUserDataAutoSync() {
         if (state.projects === previous.projects) return;
         const before = new Map(previous.projects.map((project) => [project.id, project]));
         const changed = state.projects.filter((project) => !sameCanvasContent(before.get(project.id), project));
-        if (!changed.length && state.projects.length === previous.projects.length) return;
+        // Viewport writes are local persistence only. They must never enqueue a
+        // cloud sync, even while the local persistence queue is being flushed.
+        if (!changed.length) return;
         if (remoteUserDataPhase === "ready") {
             for (const project of changed) {
                 if (sameCanvasContent(acknowledgedProjects.get(project.id), project)) continue;
@@ -704,13 +706,20 @@ export async function deleteCanvasProjectsWithRemoteSync(ids: string[]) {
     });
 }
 
-export async function saveRemoteUserDataNow(input?: string | readonly string[] | { force?: boolean; repairMissingResources?: boolean }) {
-    const projectId = typeof input === "string" || Array.isArray(input) ? (input as string | readonly string[]) : undefined;
-    const options = input && typeof input === "object" && !Array.isArray(input) ? (input as { force?: boolean; repairMissingResources?: boolean }) : {};
+export async function saveRemoteUserDataNow(input?: string | readonly string[] | { projectId?: string | readonly string[]; force?: boolean; repairMissingResources?: boolean }) {
+    const projectId = typeof input === "string" || Array.isArray(input)
+        ? (input as string | readonly string[])
+        : input && typeof input === "object" && !Array.isArray(input)
+          ? (input as { projectId?: string | readonly string[] }).projectId
+          : undefined;
+    const options = input && typeof input === "object" && !Array.isArray(input)
+        ? (input as { projectId?: string | readonly string[]; force?: boolean; repairMissingResources?: boolean })
+        : {};
     const epoch = sessionEpoch;
     if (!activeRemoteUserId) throw new Error("云端同步会话尚未建立，当前内容已保留在本地");
     requireRemoteUserDataBaseline();
     const assertNoConflict = () => {
+        if (options.force) return;
         const ids = projectId === undefined ? useCanvasStore.getState().projects.map((project) => project.id) : typeof projectId === "string" ? [projectId] : projectId;
         if (ids.some((id) => useSyncProgressStore.getState().syncingProjects[id]?.phase === "conflict")) {
             throw new ApiError("云端画布已有更新，请保留本地草稿并加载最新版本", { status: 409 });
@@ -757,7 +766,12 @@ export async function saveRemoteUserDataNow(input?: string | readonly string[] |
  * 修复媒体与素材的绑定，再按素材先于画布的顺序保存。
  * 素材修复可采用远端素材基线；画布始终携带原始 revision，不能绕过版本校验。
  */
-export async function forceOverwriteRemoteCanvasSync(): Promise<CanvasAssetRebindResult> {
+export async function overwriteRemoteCanvasProject(projectId: string) {
+    if (!projectId.trim()) throw new Error("缺少画布 ID，无法覆盖云端");
+    await saveRemoteUserDataNow({ projectId, force: true });
+}
+
+export async function forceOverwriteRemoteCanvasSync(projectId?: string): Promise<CanvasAssetRebindResult> {
     const epoch = sessionEpoch;
     if (!activeRemoteUserId) throw new Error("尚未建立云端同步会话，请登录后重试");
     requireRemoteUserDataBaseline();
@@ -765,11 +779,11 @@ export async function forceOverwriteRemoteCanvasSync(): Promise<CanvasAssetRebin
     const rebind = await withRemoteUserDataSyncExclusive(async () => {
         if (epoch !== sessionEpoch) throw new Error("账号已切换，已停止修复保存");
         requireRemoteUserDataBaseline();
-        await repairMissingCanvasVideoPreviews();
+        const selectedProjectIds = projectId === undefined ? undefined : new Set([projectId]);
+        await repairMissingCanvasVideoPreviews(selectedProjectIds);
         if (epoch !== sessionEpoch) throw new Error("账号已切换，已停止修复保存");
         const projects = useCanvasStore.getState().projects;
-        // 服务端素材记录是 guard 实际校验的事实；本地缓存可能落后，须先取回再判定绑定一致性。
-        const claimedIds = [...collectCanvasMediaAssetIds(projects)];
+        const claimedIds = [...collectCanvasMediaAssetIds(selectedProjectIds ? projects.filter((project) => selectedProjectIds.has(project.id)) : projects)];
         const remoteAssets: Asset[] = [];
         for (let offset = 0; offset < claimedIds.length; offset += 100) {
             const { assets } = await getRemoteAssetsByIds(claimedIds.slice(offset, offset + 100));
@@ -778,15 +792,15 @@ export async function forceOverwriteRemoteCanvasSync(): Promise<CanvasAssetRebin
         if (epoch !== sessionEpoch) throw new Error("账号已切换，已停止修复保存");
         const remoteById = new Map(remoteAssets.map((asset) => [asset.id, asset]));
         const merged = [...remoteAssets, ...useAssetStore.getState().assets.filter((asset) => !remoteById.has(asset.id))];
-        const result = rebindInconsistentCanvasAssets(parseAssetRecordList(merged));
+        const result = rebindInconsistentCanvasAssets(parseAssetRecordList(merged), selectedProjectIds);
         await Promise.all([flushCanvasStorePersistence(), flushAssetStorePersistence()]);
         return result;
     });
-    await saveRemoteUserDataNow({ force: true, repairMissingResources: true });
+    await saveRemoteUserDataNow({ projectId, force: true, repairMissingResources: true });
     return rebind;
 }
 
-async function drainRemoteUserDataChanges(options: { force?: boolean; repairMissingResources?: boolean } = {}) {
+async function drainRemoteUserDataChanges(options: { projectId?: string | readonly string[]; force?: boolean; repairMissingResources?: boolean } = {}) {
     const uploaded = new Map<string, string>();
     do {
         syncQueued = false;
@@ -794,20 +808,37 @@ async function drainRemoteUserDataChanges(options: { force?: boolean; repairMiss
     } while (syncQueued);
 }
 
-async function saveRemoteUserDataBatch(uploaded: Map<string, string>, options: { force?: boolean; repairMissingResources?: boolean } = {}) {
+async function saveRemoteUserDataBatch(uploaded: Map<string, string>, options: { projectId?: string | readonly string[]; force?: boolean; repairMissingResources?: boolean } = {}) {
     // 中央兜底：任何调用方只要把持久媒体写进画布，提交前都会先补齐素材记录与 assetId。
     // 页面级入口仍主动入库，以便立即反馈；这里负责阻止遗漏入口形成远端幽灵资源。
+    const projectsBeforeRepair = useCanvasStore.getState().projects;
+    const selectedProjectIds = options.projectId === undefined
+        ? undefined
+        : new Set(typeof options.projectId === "string" ? [options.projectId] : options.projectId);
+    const syncProjectIds = selectedProjectIds === undefined
+        ? undefined
+        : new Set([...selectedProjectIds].filter((id) => projectsBeforeRepair.some((project) => project.id === id)));
     const changedProjectIds = new Set(
-        useCanvasStore
-            .getState()
-            .projects.filter((project) => !sameCanvasContent(acknowledgedProjects.get(project.id), project))
+        projectsBeforeRepair
+            .filter((project) => (syncProjectIds === undefined || syncProjectIds.has(project.id)) && !sameCanvasContent(acknowledgedProjects.get(project.id), project))
             .map((project) => project.id),
     );
     repairMissingCanvasAssets(changedProjectIds, incrementalSession);
     const currentProjects = useCanvasStore.getState().projects;
     const currentAssets = useAssetStore.getState().assets;
-    const dirtyProjects = currentProjects.filter((project) => !sameCanvasContent(acknowledgedProjects.get(project.id), project) && useSyncProgressStore.getState().syncingProjects[project.id]?.phase !== "conflict");
-    const dirtyAssets = currentAssets.filter((asset) => !sameEntitySnapshot(acknowledgedAssets.get(asset.id), asset));
+    const dirtyProjects = currentProjects.filter((project) => {
+        const dirty = !sameCanvasContent(acknowledgedProjects.get(project.id), project);
+        const conflicted = useSyncProgressStore.getState().syncingProjects[project.id]?.phase === "conflict";
+        const selected = selectedProjectIds === undefined || selectedProjectIds.has(project.id);
+        return selected && dirty && (options.force || !conflicted);
+    });
+    const scopedAssetIds = options.force && syncProjectIds
+        ? new Set(collectCanvasMediaAssetIds(currentProjects.filter((project) => syncProjectIds.has(project.id))))
+        : undefined;
+    const dirtyAssets = currentAssets.filter((asset) => {
+        const dirty = !sameEntitySnapshot(acknowledgedAssets.get(asset.id), asset);
+        return dirty && (scopedAssetIds === undefined || scopedAssetIds.has(asset.id));
+    });
     if (!dirtyProjects.length && !dirtyAssets.length) return;
 
     const adoptedAssetIds = new Set<string>();
@@ -1006,6 +1037,17 @@ async function saveRemoteUserDataBatch(uploaded: Map<string, string>, options: {
                             saved = true;
                             continue;
                         }
+                        if (options.force) {
+                            const remoteHash = await canvasContentHash(remote);
+                            const forced = { ...current, revision: remote.revision, remoteContentHash: remoteHash };
+                            acknowledgedProjects.set(source.id, { ...remote, viewport: current.viewport, remoteContentHash: remoteHash });
+                            verifiedProjects.add(source.id);
+                            useCanvasStore.setState((state) => ({ projects: state.projects.map((project) => (project.id === source.id ? forced : project)) }));
+                            await flushCanvasStorePersistence();
+                            candidate = forced;
+                            useSyncProgressStore.getState().setProjectProgress(source.id, { phase: "reconciling", message: "正在用本地版本覆盖云端" });
+                            continue;
+                        }
                         const baseline = acknowledgedProjects.get(source.id);
                         if (!baseline) throw error;
                         let rebased: CanvasProject;
@@ -1077,7 +1119,7 @@ function sameEntitySnapshot<T>(acknowledged: T | undefined, current: T) {
 
 function sanitizeCanvasProjectForRemoteSync<T>(project: T): T {
     if (!project || typeof project !== "object") return project;
-    const clone = { ...(project as Record<string, unknown>) };
+    const { viewport: _viewport, ...clone } = project as Record<string, unknown>;
     if (Array.isArray(clone.chatSessions)) {
         clone.chatSessions = clone.chatSessions.map((session) => {
             if (!session || typeof session !== "object") return session;
diff --git a/web/src/stores/use-user-store.ts b/web/src/stores/use-user-store.ts
index 892919e2f..a7e5f0375 100644
--- a/web/src/stores/use-user-store.ts
+++ b/web/src/stores/use-user-store.ts
@@ -33,6 +33,7 @@ export type FeatureAvailability = {
     frontendModelsEnabled: boolean;
     pluginCenterEnabled: boolean;
     systemPluginsVisibleToUsers: boolean;
+    inspirationSourcesVisible: boolean;
     configured?: boolean;
     updatedBy?: string;
     updatedAt?: string;
@@ -47,6 +48,7 @@ export const defaultFeatureAvailability: FeatureAvailability = {
     frontendModelsEnabled: false,
     pluginCenterEnabled: true,
     systemPluginsVisibleToUsers: true,
+    inspirationSourcesVisible: true,
 };
 
 type UserStore = {
diff --git a/web/src/styles/globals.css b/web/src/styles/globals.css
index 1ce725646..b5a783a22 100644
--- a/web/src/styles/globals.css
+++ b/web/src/styles/globals.css
@@ -18219,7 +18219,9 @@ html:not(.dark) .creation-home .creation-user-message-copy-wrap { box-shadow: 0
     flex: 1 1 auto !important;
 }
 .app-user-workspace .creation-home > .creation-empty-workspace {
-    display: block !important;
+    display: flex !important;
+    flex-direction: column;
+    align-items: center;
     width: min(1680px, calc(100% - 72px)) !important;
     height: 100% !important;
     max-width: none !important;
diff --git a/web/test/canvas-character-generation.test.ts b/web/test/canvas-character-generation.test.ts
index 2ad7ba5e2..67ca05236 100644
--- a/web/test/canvas-character-generation.test.ts
+++ b/web/test/canvas-character-generation.test.ts
@@ -78,6 +78,35 @@ function videoConfig() {
 }
 
 describe("canvas character reference delivery", () => {
+    test("saved resource references stay as storage keys without browser materialization", async () => {
+        const { images } = mockResources([]);
+        const context = contextFor([node("scene", CanvasNodeType.Image, { storageKey: "resource:scene" })], "@图片1");
+
+        const hydrated = await hydrateNodeGenerationContext(context, "canvas", undefined, "video", false, true, undefined, false);
+
+        expect(hydrated.referenceImages).toEqual([expect.objectContaining({ storageKey: "resource:scene", dataUrl: "" })]);
+        expect(images).not.toHaveBeenCalled();
+    });
+
+    test("character resource references also skip browser materialization", async () => {
+        const { images } = mockResources([detail("a")]);
+        const context = contextFor([characterNode("a")], "@角色1");
+
+        const hydrated = await hydrateNodeGenerationContext(context, "canvas", undefined, "video", false, true, undefined, false);
+
+        expect(hydrated.referenceImages.map((image) => image.storageKey)).toEqual(["resource:a-main"]);
+        expect(images).not.toHaveBeenCalled();
+    });
+
+    test("local browser-only references still materialize for generation", async () => {
+        const { images } = mockResources([]);
+        const context = contextFor([node("scene", CanvasNodeType.Image, { storageKey: "image:local-scene" })], "@图片1");
+
+        await hydrateNodeGenerationContext(context, "canvas", undefined, "video", false, true, undefined, false);
+
+        expect(images).toHaveBeenCalledTimes(1);
+    });
+
     test("mixed references preserve primary slots through hydration and backend task preparation", async () => {
         const a = detail("a", [
             ["primary", "a-main"],
diff --git a/web/test/canvas-remote-revision.test.ts b/web/test/canvas-remote-revision.test.ts
index 62426c281..1386ba70f 100644
--- a/web/test/canvas-remote-revision.test.ts
+++ b/web/test/canvas-remote-revision.test.ts
@@ -14,6 +14,7 @@ import {
     resetRemoteUserDataSync,
     saveRemoteUserDataNow,
     syncRemoteUserData,
+    overwriteRemoteCanvasProject,
 } from "../src/services/user-data-sync";
 import { createAgentCanvasSync } from "../src/services/agent-canvas-sync";
 import { flushCanvasStorePersistence, useCanvasStore, type CanvasProject } from "../src/stores/canvas/use-canvas-store";
@@ -216,6 +217,17 @@ test("stale viewport, no-op restore and open do not submit old content", async (
     expect(requests.filter((request) => request.method === "put")).toHaveLength(0);
 });
 
+test("explicit local overwrite replaces only the selected cloud canvas after a revision conflict", async () => {
+    remote.set("canvas", { ...canvas(), title: "cloud edit", revision: 2 });
+    useCanvasStore.getState().renameProject("canvas", "local edit");
+
+    await overwriteRemoteCanvasProject("canvas");
+
+    expect(remote.get("canvas")).toMatchObject({ title: "local edit", revision: 3 });
+    expect(remote.get("other")).toMatchObject({ title: "other", revision: 1 });
+    expect(useSyncProgressStore.getState().syncingProjects.canvas).toMatchObject({ phase: "done", cloudRevision: 3, pendingChanges: 0 });
+});
+
 test("load latest, save and reload stay synced when Agent history replays an unversioned delta", async () => {
     remote.set("canvas", { ...canvas(), revision: 9 });
     await loadCanvasProjectForEditing("canvas", { latest: true });
diff --git a/web/test/creation-gallery-gesture.test.ts b/web/test/creation-gallery-gesture.test.ts
new file mode 100644
index 000000000..68ef02cdd
--- /dev/null
+++ b/web/test/creation-gallery-gesture.test.ts
@@ -0,0 +1,39 @@
+import { describe, expect, test } from "bun:test";
+import { createGalleryWheelGesture } from "../src/pages/create/creation-gallery-gesture";
+
+describe("创作轮播连续滚动", () => {
+    test("一次触摸板滑动的加速及惯性尾巴只切换一张", () => {
+        const gesture = createGalleryWheelGesture();
+        const deltas = [2, 6, 18, 42, 70, 55, 32, 18, 8, 4, 2, 1];
+        expect(deltas.map((delta, index) => gesture(delta, index * 30)).filter(Boolean)).toEqual([1]);
+    });
+
+    test("惯性尚未结束时再次同方向发力仍能翻页", () => {
+        const gesture = createGalleryWheelGesture();
+        const deltas = [20, 65, 50, 30, 15, 7, 3, 1, 4, 18, 45, 30, 15, 5];
+        expect(deltas.map((delta, index) => gesture(delta, index * 30)).filter(Boolean)).toEqual([1, 1]);
+    });
+
+    test("短暂停顿后的轻滑不受上一次大力度峰值限制", () => {
+        const gesture = createGalleryWheelGesture();
+        expect(gesture(160, 0)).toBe(1);
+        expect(gesture(20, 40)).toBe(0);
+        expect(gesture(4, 220)).toBe(0);
+        expect(gesture(5, 240)).toBe(1);
+        expect(gesture(8, 440)).toBe(1);
+    });
+
+    test("反向手势立即生效，微小抖动不触发", () => {
+        const gesture = createGalleryWheelGesture();
+        expect(gesture(20, 0)).toBe(1);
+        expect(gesture(-0.2, 20)).toBe(0);
+        expect(gesture(-12, 40)).toBe(-1);
+        expect(gesture(-6, 60)).toBe(0);
+        expect(gesture(12, 80)).toBe(1);
+    });
+
+    test("离散滚轮每次滚动均可连续切换", () => {
+        const gesture = createGalleryWheelGesture();
+        expect([0, 200, 400, 600].map((now) => gesture(48, now))).toEqual([1, 1, 1, 1]);
+    });
+});
diff --git a/web/test/image-size-presets.test.tsx b/web/test/image-size-presets.test.tsx
index 003b16c29..d3c7d2e71 100644
--- a/web/test/image-size-presets.test.tsx
+++ b/web/test/image-size-presets.test.tsx
@@ -6,11 +6,17 @@ import { ImageSizePresetsEditor } from "../src/components/image-size-presets-edi
 import { ModelCapabilityEditor } from "../src/components/model-capability-editor";
 import { defaultImageCapabilityConfig, normalizeImageValue, normalizeModelCapabilityConfig } from "../src/lib/model-capabilities";
 import { IMAGE_RATIOS, IMAGE_RESOLUTIONS, imagePresetForRatio, imagePresetValue, imageQualityForSelection, imageQualityForTier, imageSizeConfigWithPresets, imageSizePresets, imageTierAvailable } from "../src/lib/image-size-presets";
+import { imageQualityLabel } from "../src/lib/image-quality";
 import { buildImageResolutionOptions } from "../src/lib/image-resolution-tiers";
 import { resolveImageRequestSize, validateImageSize } from "../src/services/api/image-validation";
 import { buildGeminiImageGenerationConfig } from "../src/lib/gemini-image";
 
 describe("统一图片分辨率与宽高比", () => {
+    test("画质公共映射覆盖创作与画布使用的 xhigh、max", () => {
+        expect(imageQualityLabel("xhigh")).toBe("超高");
+        expect(imageQualityLabel("MAX")).toBe("最高");
+    });
+
     test("管理员档位开关按已有比例启用，部分比例不显示为关闭", () => {
         for (const model of ["midjourney-1k", "midjourney-2k"]) {
             const profile = defaultImageCapabilityConfig("cangyuan-midjourney-v82", model);
diff --git a/web/test/model-pricing.test.ts b/web/test/model-pricing.test.ts
index 8982de438..6f4c1d765 100644
--- a/web/test/model-pricing.test.ts
+++ b/web/test/model-pricing.test.ts
@@ -140,6 +140,18 @@ describe("model request pricing", () => {
         expect(priceTiersForCurrentSelection(tiers, "image", { ...config, quality: "4k" })[0]?.unitPriceMicrocredits).toBe(1_000_000);
     });
 
+    test("匹配独立图片画质与像素分辨率，并兼容存量 2K 价格档", () => {
+        const config = systemConfig({
+            capability: "image",
+            tiers: [
+                { selector: { quality: "2k" }, billingMode: "fixed_request", unitPriceMicrocredits: 2_000_000 },
+                { selector: { quality: "medium", resolution: "2k" }, billingMode: "fixed_request", unitPriceMicrocredits: 3_000_000 },
+            ],
+        });
+        const requirements: ModelRequirements = { capability: "image", options: { quality: "medium", size: "2048x2048" } };
+        expect(requestCreditCost({ channelMode: "remote", modelCosts: resolveModelChannel(config, config.model).modelCosts, model: "image-model", capability: "image", config, requirements, count: 1 })).toBe(3);
+        expect(priceTiersForCurrentSelection(resolveModelChannel(config, config.model).modelCosts![0]!.logicalPriceTiers!, "image", config, requirements)[0]?.unitPriceMicrocredits).toBe(3_000_000);
+    });
     test("preserves provider-specific resolution enums when matching price tiers", () => {
         expect(normalizeTierResolution("768P竖")).toBe("768p竖");
         expect(normalizeTierResolution("HD_Portrait")).toBe("hd_portrait");
diff --git a/web/test/skill-defaults.test.ts b/web/test/skill-defaults.test.ts
new file mode 100644
index 000000000..e0e0f7af6
--- /dev/null
+++ b/web/test/skill-defaults.test.ts
@@ -0,0 +1,32 @@
+import { describe, expect, test } from "bun:test";
+import { DEFAULT_CANVAS_AGENT_SKILL_ID, ensureDefaultCanvasAgentSkill } from "@/services/skill-defaults";
+
+function skill(skillId: string, isAdded = true) {
+    return { skillId, skillName: skillId, isAdded } as never;
+}
+
+describe("ensureDefaultCanvasAgentSkill", () => {
+    test("keeps an already added default skill without writing", async () => {
+        let added = 0;
+        const result = await ensureDefaultCanvasAgentSkill({
+            listAdded: async () => ({ skills: [skill(DEFAULT_CANVAS_AGENT_SKILL_ID)] }),
+            get: async () => { throw new Error("must not read catalog"); },
+            add: async () => { added += 1; return { skill: skill(DEFAULT_CANVAS_AGENT_SKILL_ID) }; },
+        });
+        expect(result.skills[0].skillId).toBe(DEFAULT_CANVAS_AGENT_SKILL_ID);
+        expect(added).toBe(0);
+    });
+
+    test("installs the default skill once when it is not added", async () => {
+        let listCalls = 0;
+        let added = 0;
+        const result = await ensureDefaultCanvasAgentSkill({
+            listAdded: async () => ({ skills: listCalls++ === 0 ? [] : [skill(DEFAULT_CANVAS_AGENT_SKILL_ID)] }),
+            get: async () => ({ skill: skill(DEFAULT_CANVAS_AGENT_SKILL_ID, false) }),
+            add: async () => { added += 1; return { skill: skill(DEFAULT_CANVAS_AGENT_SKILL_ID) }; },
+        });
+        expect(result.skills[0].skillId).toBe(DEFAULT_CANVAS_AGENT_SKILL_ID);
+        expect(added).toBe(1);
+        expect(listCalls).toBe(2);
+    });
+});