From 792bd6195c2ac92a2ff846cd1b68963faf47e4a0 Mon Sep 17 00:00:00 2001
From: JackyWay <jackybbc@gmail.com>
Date: Tue, 24 Feb 2026 00:49:03 +0800
Subject: [PATCH] fix: recognize Bedrock as Anthropic-compatible in transcript
 policy

(cherry picked from commit 3b5154081cdd6f9ff94b35c50b8f57714f9ad381)
---
 src/agents/transcript-policy.test.ts | 13 +++++++++++++
 src/agents/transcript-policy.ts      |  4 ++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/agents/transcript-policy.test.ts b/src/agents/transcript-policy.test.ts
index 4ef038c81..5f7d151ee 100644
--- a/src/agents/transcript-policy.test.ts
+++ b/src/agents/transcript-policy.test.ts
@@ -53,6 +53,19 @@ describe("resolveTranscriptPolicy", () => {
     expect(policy.validateAnthropicTurns).toBe(true);
   });
 
+  it("enables Anthropic-compatible policies for Bedrock provider", () => {
+    const policy = resolveTranscriptPolicy({
+      provider: "amazon-bedrock",
+      modelId: "us.anthropic.claude-opus-4-6-v1",
+      modelApi: "bedrock-converse-stream",
+    });
+    expect(policy.repairToolUseResultPairing).toBe(true);
+    expect(policy.validateAnthropicTurns).toBe(true);
+    expect(policy.allowSyntheticToolResults).toBe(true);
+    expect(policy.sanitizeToolCallIds).toBe(true);
+    expect(policy.sanitizeMode).toBe("full");
+  });
+
   it("keeps OpenRouter on its existing turn-validation path", () => {
     const policy = resolveTranscriptPolicy({
       provider: "openrouter",
diff --git a/src/agents/transcript-policy.ts b/src/agents/transcript-policy.ts
index 0672bf1e8..3b1d6aa1d 100644
--- a/src/agents/transcript-policy.ts
+++ b/src/agents/transcript-policy.ts
@@ -55,12 +55,12 @@ function isOpenAiProvider(provider?: string | null): boolean {
 }
 
 function isAnthropicApi(modelApi?: string | null, provider?: string | null): boolean {
-  if (modelApi === "anthropic-messages") {
+  if (modelApi === "anthropic-messages" || modelApi === "bedrock-converse-stream") {
     return true;
   }
   const normalized = normalizeProviderId(provider ?? "");
   // MiniMax now uses openai-completions API, not anthropic-messages
-  return normalized === "anthropic";
+  return normalized === "anthropic" || normalized === "amazon-bedrock";
 }
 
 function isMistralModel(params: { provider?: string | null; modelId?: string | null }): boolean {