feat(models): match relay ids with a month-day date suffix against the catalog

crates/agent-gui/test/models/model-catalog.test.mjs

@@ -155,6 +155,27 @@ test("normalizeModelIdCandidates yields the decorated-id chain in order without
   assert.deepEqual(catalog.normalizeModelIdCandidates("grok-4.5"), ["grok-4.5"]);
 });
 
+test("normalizeModelIdCandidates strips a month-day date suffix only when no full date is present", () => {
+  // 中转站给官方模型加四位月日后缀（deepseek-ai/deepseek-v4-pro-0813）。
+  assert.deepEqual(catalog.normalizeModelIdCandidates("deepseek-ai/deepseek-v4-pro-0813"), [
+    "deepseek-ai/deepseek-v4-pro-0813",
+    "deepseek-ai/deepseek-v4-pro",
+    "deepseek-v4-pro-0813",
+    "deepseek-v4-pro",
+  ]);
+  // 年份、型号数字不是月日，不剥。
+  assert.deepEqual(catalog.normalizeModelIdCandidates("gpt-4o-2024"), ["gpt-4o-2024"]);
+  assert.deepEqual(catalog.normalizeModelIdCandidates("model-1345"), ["model-1345"]);
+});
+
+test("a dated relay id resolves to the catalog entry, an exact dated id keeps its own entry", () => {
+  const relayed = catalog.findCatalogModelAcrossProviders("deepseek-ai/deepseek-v4-pro-0813");
+  assert.equal(relayed?.id, "deepseek-v4-pro");
+  assert.equal(relayed?.contextWindow, 1000000);
+  assert.equal(catalog.findCatalogModelAcrossProviders("deepseek-r1-0528")?.id, "deepseek-r1-0528");
+  assert.equal(catalog.findCatalogModelAcrossProviders("deepseek-r1-0601")?.id, "deepseek-r1");
+});
+
 test("findCatalogModel resolves exact and decorated ids across providers", () => {
   assert.equal(catalog.findCatalogModel("xai", "grok-4.5")?.id, "grok-4.5");
   // 候选链对全部供应商生效：大小写、[1m]、日期后缀、@版本。

crates/agent-ui/src/lib/models/modelCatalog.ts

@@ -79,18 +79,28 @@ export function normalizeModelIdCandidates(modelId: string): string[] {
   push(withoutAtVersion);
   const withoutContextSuffix = withoutAtVersion.replace(/\[1m\]$/i, "");
   push(withoutContextSuffix);
-  push(withoutContextSuffix.replace(/-20\d{6}$/, ""));
+  for (const candidate of withoutDateSuffix(withoutContextSuffix)) push(candidate);
   // 中转聚合商常在模型 id 前加自家路径前缀（bailian/deepseek-v4-pro、
   // openrouter/xxx 等），目录里存的是裸 id。放链尾——所有精确形态、
   // 全部分区都查空后才尝试剥前缀，避免裸段误撞目录里无关的同名模型。
   const lastSegment = withoutContextSuffix.split("/").pop() ?? "";
   if (lastSegment !== withoutContextSuffix) {
     push(lastSegment);
-    push(lastSegment.replace(/-20\d{6}$/, ""));
+    for (const candidate of withoutDateSuffix(lastSegment)) push(candidate);
   }
   return candidates;
 }
 
+// 日期后缀有两种写法：完整的 -20260115 和中转站常用的四位月日 -0813 /
+// -0731（deepseek-ai/deepseek-v4-pro-0813）。四位形态只在没有完整日期
+// 时才剥，且只认合法的月日，避免把 -2024 之类的年份或型号数字误当日期。
+function withoutDateSuffix(modelId: string): string[] {
+  const withoutFullDate = modelId.replace(/-20\d{6}$/, "");
+  if (withoutFullDate !== modelId) return [withoutFullDate];
+  const withoutMonthDay = modelId.replace(/-(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])$/, "");
+  return withoutMonthDay !== modelId ? [withoutMonthDay] : [];
+}
+
 const catalogIndexByProvider = new Map<CatalogProviderId, Map<string, CatalogModelEntry>>();
 
 function getCatalogIndex(catalogProvider: CatalogProviderId): Map<string, CatalogModelEntry> {