fix: add rate limit patterns for 'too many tokens' and 'tokens per day' (#39377)

Merged via squash.

Prepared head SHA: 132a457286
Co-authored-by: gambletan <266203672+gambletan@users.noreply.github.com>
Co-authored-by: altaywtf <9790196+altaywtf@users.noreply.github.com>
Reviewed-by: @altaywtf

src/memory/manager.embedding-batches.test.ts

@@ -103,6 +103,32 @@ describe("memory embedding batches", () => {
     expect(calls).toBe(3);
   }, 10000);
 
+  it("retries embeddings on too-many-tokens-per-day rate limits", async () => {
+    const memoryDir = fx.getMemoryDir();
+    const managerSmall = fx.getManagerSmall();
+    const line = "e".repeat(120);
+    const content = Array.from({ length: 4 }, () => line).join("\n");
+    await fs.writeFile(path.join(memoryDir, "2026-01-08.md"), content);
+
+    let calls = 0;
+    embedBatch.mockImplementation(async (texts: string[]) => {
+      calls += 1;
+      if (calls === 1) {
+        throw new Error("AWS Bedrock embeddings failed: Too many tokens per day");
+      }
+      return texts.map(() => [0, 1, 0]);
+    });
+
+    const restoreFastTimeouts = useFastShortTimeouts();
+    try {
+      await managerSmall.sync({ reason: "test" });
+    } finally {
+      restoreFastTimeouts();
+    }
+
+    expect(calls).toBe(2);
+  }, 10000);
+
   it("skips empty chunks so embeddings input stays valid", async () => {
     const memoryDir = fx.getMemoryDir();
     const managerSmall = fx.getManagerSmall();