Initial commit: img-infinite-canvas AI design workbench MVP

Moteva-style AI design workbench replica. Home prompt creates a project; the project page provides an infinite canvas with node drag, zoom/pan, a design chat panel, history replay, image asset upload, and project save/regenerate. - Backend: go-zero, DDD layering, sqlc/pgx, optional PostgreSQL; memory or Redis cache; asynq job queue; MinIO/S3/R2/OSS object storage; sky-valley/pi agent runtime adapter. - Frontend: Next.js App Router + Vite artifact build, TypeScript, i18n, shadcn/ui components, auth (OTP/Turnstile/Google/WeChat). - Deploy: Docker Compose and k3s manifests. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-07 23:15:37 +08:00
commit 44406b72db
349 changed files with 73265 additions and 0 deletions
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+import type { CanvasNode } from "@/domain/design";
+import type { UploadedReferenceImage } from "@/ui/components/PromptComposer";
+
+const canvasNodeReferencePrefix = "canvas-node:";
+
+export function canvasNodeToReferenceImage(node: CanvasNode): UploadedReferenceImage | null {
+  const content = node.content.trim();
+  if (node.type !== "image" || node.layerRole === "pen-stroke" || node.layerRole === "image-generator" || node.status === "generating" || node.status === "error" || !isImageReferenceUrl(content)) {
+    return null;
+  }
+  return {
+    id: `${canvasNodeReferencePrefix}${node.id}`,
+    name: node.title.trim() || "Image",
+    publicUrl: content,
+    previewUrl: content
+  };
+}
+
+export function isCanvasNodeReferenceImage(reference: UploadedReferenceImage) {
+  return reference.id.startsWith(canvasNodeReferencePrefix);
+}
+
+export function isAssetReferencedByCanvas(publicUrl: string, nodes: CanvasNode[]) {
+  const targetKeys = assetReferenceKeys(publicUrl);
+  if (targetKeys.size === 0) return false;
+  return nodes.some((node) => {
+    const contentKeys = assetReferenceKeys(node.content);
+    return Array.from(contentKeys).some((key) => targetKeys.has(key));
+  });
+}
+
+function isImageReferenceUrl(value: string) {
+  return /^(https?:\/\/|data:image\/|blob:|\/)/.test(value);
+}
+
+function assetReferenceKeys(value: string) {
+  const trimmed = value.trim();
+  const keys = new Set<string>();
+  if (!trimmed || trimmed.startsWith("data:image/") || trimmed.startsWith("blob:")) return keys;
+  keys.add(trimmed);
+  const queryIndex = trimmed.indexOf("?");
+  if (queryIndex > 0) keys.add(trimmed.slice(0, queryIndex));
+  try {
+    const url = new URL(trimmed, typeof window === "undefined" ? "http://localhost" : window.location.origin);
+    keys.add(url.pathname);
+    keys.add(`${url.pathname}${url.search}`);
+  } catch {
+    // Keep exact/path keys above for non-URL storage identifiers.
+  }
+  return keys;
+}