fix(canvas): 创作工作台 - 恢复连续对话并完善附件、媒体占位与生成分辨率

Fixes #231

Fixes #233

web/src/lib/model-capabilities.ts

@@ -145,14 +145,17 @@ export function defaultModelCapabilityConfig(protocol?: ModelProtocol, model = "
         duration: { selection: "range", min: 1, max: 15, step: 1, default: 6 },
         ratios: ["16:9", "9:16", "1:1", "4:3", "3:4", "21:9"],
         defaultRatio: "16:9",
-        resolutions: ["480p", "720p", "1080p", "2160p"],
+        resolutions: ["480p", "720p", "1080p", "1440p", "2160p"],
         defaultResolution: "720p",
         generateAudio: { supported: false, default: false },
         watermark: { supported: false, default: false },
         operations: ["text_to_video", "image_to_video"],
         defaultOperation: "text_to_video",
     };
-    if (protocol === "volcengine-jimeng-video") video.duration = { selection: "enum", values: [5, 10], default: 5 };
+    if (protocol === "volcengine-jimeng-video") {
+        video.duration = { selection: "enum", values: [5, 10], default: 5 };
+        video.resolutions = ["720p"];
+    }
     if (protocol === "gemini-veo") {
         video.duration = { selection: "enum", values: [4, 6, 8], default: 6 };
         video.resolutions = ["720p", "1080p"];
@@ -166,6 +169,7 @@ export function defaultModelCapabilityConfig(protocol?: ModelProtocol, model = "
         video.references.maxAudioDurationSeconds = 15;
         video.generateAudio = { supported: true, default: true };
     }
+    if (protocol === "volcengine-ark-video" || protocol === "newapi-channel-1") video.resolutions = ["480p", "720p", "1080p"];
     if (protocol === "volcengine-ark-video") video.watermark = { supported: true, default: false };
     if (protocol === "novita-video") {
         video.references.maxImages = 1;

web/src/lib/video-generation-options.ts

@@ -1,5 +1,5 @@
 export const VIDEO_DURATION_OPTIONS = [6, 9, 10, 15] as const;
-export const VIDEO_RESOLUTION_OPTIONS = [480, 720, 1080, 2160] as const;
+export const VIDEO_RESOLUTION_OPTIONS = [480, 720, 1080, 1440, 2160] as const;
 export const VIDEO_DURATION_MIN = 1;
 
 export function normalizeVideoDuration(value: string | number | undefined) {
@@ -11,11 +11,8 @@ export function normalizeVideoResolution(value: string | number | undefined) {
     const token = String(value || "").trim().toLowerCase();
     if (token === "low") return "480";
     if (token === "auto" || token === "medium" || token === "high") return "720";
+    if (token === "2k") return "1440";
     if (token === "4k") return "2160";
-    const resolution = Number(token.replace(/p$/i, "")) || 720;
-    return String(nearestOption(resolution, VIDEO_RESOLUTION_OPTIONS));
-}
-
-function nearestOption(value: number, options: readonly number[]) {
-    return options.reduce((nearest, option) => Math.abs(option - value) < Math.abs(nearest - value) ? option : nearest, options[0]);
+    const resolution = Number(token.replace(/p$/i, ""));
+    return Number.isFinite(resolution) && resolution > 0 ? String(Math.floor(resolution)) : "720";
 }