fix(agents): enable tool call ID sanitization for Anthropic provider (#13830)

Co-authored-by: 0xRaini <0xRaini@users.noreply.github.com>

src/agents/transcript-policy.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it } from "vitest";
+import { resolveTranscriptPolicy } from "./transcript-policy.js";
+
+describe("resolveTranscriptPolicy", () => {
+  it("enables sanitizeToolCallIds for Anthropic provider", () => {
+    const policy = resolveTranscriptPolicy({
+      provider: "anthropic",
+      modelId: "claude-opus-4-5",
+      modelApi: "anthropic-messages",
+    });
+    expect(policy.sanitizeToolCallIds).toBe(true);
+    expect(policy.toolCallIdMode).toBe("strict");
+  });
+
+  it("enables sanitizeToolCallIds for Google provider", () => {
+    const policy = resolveTranscriptPolicy({
+      provider: "google",
+      modelId: "gemini-2.0-flash",
+      modelApi: "google-generative-ai",
+    });
+    expect(policy.sanitizeToolCallIds).toBe(true);
+  });
+
+  it("enables sanitizeToolCallIds for Mistral provider", () => {
+    const policy = resolveTranscriptPolicy({
+      provider: "mistral",
+      modelId: "mistral-large-latest",
+    });
+    expect(policy.sanitizeToolCallIds).toBe(true);
+    expect(policy.toolCallIdMode).toBe("strict9");
+  });
+
+  it("disables sanitizeToolCallIds for OpenAI provider", () => {
+    const policy = resolveTranscriptPolicy({
+      provider: "openai",
+      modelId: "gpt-4o",
+      modelApi: "openai",
+    });
+    expect(policy.sanitizeToolCallIds).toBe(false);
+  });
+});