fix: normalize exec tool alias naming

src/agents/pi-tool-definition-adapter.test.ts

@@ -25,4 +25,25 @@ describe("pi tool definition adapter", () => {
     expect(result.details).toMatchObject({ error: "nope" });
     expect(JSON.stringify(result.details)).not.toContain("\n    at ");
   });
+
+  it("normalizes exec tool aliases in error results", async () => {
+    const tool = {
+      name: "bash",
+      label: "Bash",
+      description: "throws",
+      parameters: {},
+      execute: async () => {
+        throw new Error("nope");
+      },
+    } satisfies AgentTool<unknown, unknown>;
+
+    const defs = toToolDefinitions([tool]);
+    const result = await defs[0].execute("call2", {}, undefined, undefined);
+
+    expect(result.details).toMatchObject({
+      status: "error",
+      tool: "exec",
+      error: "nope",
+    });
+  });
 });