fix: restore minimax tool calling

src/agents/pi-embedded-helpers.test.ts

@@ -444,7 +444,7 @@ describe("sanitizeSessionMessagesImages", () => {
       { role: "user", content: "hello" },
       {
         role: "toolResult",
-        toolUseId: "tool-1",
+        toolCallId: "tool-1",
         content: [{ type: "text", text: "result" }],
       },
     ] satisfies AgentMessage[];
@@ -455,6 +455,88 @@ describe("sanitizeSessionMessagesImages", () => {
     expect(out[0]?.role).toBe("user");
     expect(out[1]?.role).toBe("toolResult");
   });
+
+  it("keeps tool call + tool result IDs unchanged by default", async () => {
+    const input = [
+      {
+        role: "assistant",
+        content: [
+          {
+            type: "toolCall",
+            id: "call_123|fc_456",
+            name: "read",
+            arguments: { path: "package.json" },
+          },
+        ],
+      },
+      {
+        role: "toolResult",
+        toolCallId: "call_123|fc_456",
+        toolName: "read",
+        content: [{ type: "text", text: "ok" }],
+        isError: false,
+      },
+    ] satisfies AgentMessage[];
+
+    const out = await sanitizeSessionMessagesImages(input, "test");
+
+    const assistant = out[0] as unknown as { role?: string; content?: unknown };
+    expect(assistant.role).toBe("assistant");
+    expect(Array.isArray(assistant.content)).toBe(true);
+    const toolCall = (
+      assistant.content as Array<{ type?: string; id?: string }>
+    ).find((b) => b.type === "toolCall");
+    expect(toolCall?.id).toBe("call_123|fc_456");
+
+    const toolResult = out[1] as unknown as {
+      role?: string;
+      toolCallId?: string;
+    };
+    expect(toolResult.role).toBe("toolResult");
+    expect(toolResult.toolCallId).toBe("call_123|fc_456");
+  });
+
+  it("sanitizes tool call + tool result IDs when enabled", async () => {
+    const input = [
+      {
+        role: "assistant",
+        content: [
+          {
+            type: "toolCall",
+            id: "call_123|fc_456",
+            name: "read",
+            arguments: { path: "package.json" },
+          },
+        ],
+      },
+      {
+        role: "toolResult",
+        toolCallId: "call_123|fc_456",
+        toolName: "read",
+        content: [{ type: "text", text: "ok" }],
+        isError: false,
+      },
+    ] satisfies AgentMessage[];
+
+    const out = await sanitizeSessionMessagesImages(input, "test", {
+      sanitizeToolCallIds: true,
+    });
+
+    const assistant = out[0] as unknown as { role?: string; content?: unknown };
+    expect(assistant.role).toBe("assistant");
+    expect(Array.isArray(assistant.content)).toBe(true);
+    const toolCall = (
+      assistant.content as Array<{ type?: string; id?: string }>
+    ).find((b) => b.type === "toolCall");
+    expect(toolCall?.id).toBe("call_123_fc_456");
+
+    const toolResult = out[1] as unknown as {
+      role?: string;
+      toolCallId?: string;
+    };
+    expect(toolResult.role).toBe("toolResult");
+    expect(toolResult.toolCallId).toBe("call_123_fc_456");
+  });
 });
 
 describe("normalizeTextForComparison", () => {