fix(POSTV1-06): 恢复贴纸与字体运行时资源链路

apps/api/src/local-data-root.ts

@@ -19,7 +19,7 @@ import { dirname, isAbsolute, join, parse, relative, resolve, sep } from "node:p
 const require = createRequire(import.meta.url);
 const Database = require("better-sqlite3") as typeof import("better-sqlite3");
 
-const assetIdPattern = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
+const assetIdPattern = /^[a-z0-9][a-z0-9_-]{2,119}$/i;
 const fixedDirectories = [
   "db",
   "content/references",
@@ -82,13 +82,21 @@ export function readConfiguredLocalDataRoot(configFile = defaultInstanceConfigPa
   return resolve(candidate);
 }
 
+export function readConfiguredAssetRoot(configFile = defaultInstanceConfigPath()) {
+  const configuration = JSON.parse(readFileSync(configFile, "utf8")) as Record<string, unknown>;
+  if (typeof configuration.asset_root !== "string" || !isAbsolute(configuration.asset_root)) {
+    throw new Error("asset_root_configuration_invalid");
+  }
+  return resolve(configuration.asset_root);
+}
+
 export interface ValidatedReadOnlyAssetRoot {
   absolute_root: string;
   ok: true;
   root_ref: string;
 }
 
-interface PublicAssetEntry {
+export interface PublicAssetEntry {
   assetId: string;
   mimeType: string;
   relativePath: string;
@@ -317,18 +325,19 @@ export function createPublicAssetResolver(input: {
   const roots = new Map(input.roots.map((root) => [root.root_ref, root.absolute_root]));
   const entries = new Map<string, PublicAssetEntry>();
   for (const entry of input.entries) {
-    if (!assetIdPattern.test(entry.assetId) || entries.has(entry.assetId)) throw new Error("asset_id_invalid");
+    const key = `${entry.resourceVersion}\u0000${entry.assetId}`;
+    if (!assetIdPattern.test(entry.assetId) || entries.has(key)) throw new Error("asset_id_invalid");
     if (!roots.has(entry.rootRef)) throw new Error("asset_root_unvalidated");
     if (!/^[a-z0-9][a-z0-9._-]{0,79}$/i.test(entry.resourceVersion)) throw new Error("resource_version_invalid");
     if (!/^[a-z0-9][a-z0-9.+-]*\/[a-z0-9][a-z0-9.+-]*$/i.test(entry.mimeType)) throw new Error("mime_type_invalid");
-    entries.set(entry.assetId, { ...entry });
+    entries.set(key, { ...entry });
   }
 
   return {
     read(resourceVersion, assetId) {
       if (!assetIdPattern.test(assetId)) return undefined;
-      const entry = entries.get(assetId);
-      if (!entry || entry.resourceVersion !== resourceVersion) return undefined;
+      const entry = entries.get(`${resourceVersion}\u0000${assetId}`);
+      if (!entry) return undefined;
       const root = roots.get(entry.rootRef);
       if (!root) return undefined;
       let path: string;