Update files

packages/app/src/utils/tool-call-display.test.ts

@@ -0,0 +1,68 @@
+import { describe, expect, it } from "vitest";
+
+import { buildToolCallDisplayModel, formatToolCallError } from "./tool-call-display";
+
+describe("tool-call-display", () => {
+  it("builds display model from canonical shell detail", () => {
+    const display = buildToolCallDisplayModel({
+      name: "shell",
+      detail: {
+        type: "shell",
+        command: "npm test",
+      },
+    });
+
+    expect(display).toEqual({
+      kind: "execute",
+      displayName: "Shell",
+      summary: "npm test",
+    });
+  });
+
+  it("builds display model from canonical read detail", () => {
+    const display = buildToolCallDisplayModel({
+      name: "read_file",
+      detail: {
+        type: "read",
+        filePath: "/tmp/repo/src/index.ts",
+      },
+      cwd: "/tmp/repo",
+    });
+
+    expect(display).toEqual({
+      kind: "read",
+      displayName: "Read",
+      summary: "src/index.ts",
+    });
+  });
+
+  it("uses metadata summary for task tool calls", () => {
+    const display = buildToolCallDisplayModel({
+      name: "task",
+      metadata: {
+        subAgentActivity: "Running tests",
+      },
+    });
+
+    expect(display).toEqual({
+      kind: "agent",
+      displayName: "Task",
+      summary: "Running tests",
+    });
+  });
+
+  it("falls back to humanized tool name for unknown tools", () => {
+    const display = buildToolCallDisplayModel({
+      name: "custom_tool_name",
+    });
+
+    expect(display).toEqual({
+      kind: "tool",
+      displayName: "Custom Tool Name",
+    });
+  });
+
+  it("formats non-string errors", () => {
+    expect(formatToolCallError({ message: "boom" })).toBe('{\n  "message": "boom"\n}');
+  });
+});