fix(components): inject tauri calls into useResponseActions

The useResponseActions hook was calling invoke() directly from tauri
for audit_response_copy_override and export_draft, breaking the
pure-hook contract that the other 12 Wave 5.7 hooks follow. Move
the two invoke wrappers into a new draftTauriCommands module and
inject them as hook options. Test no longer needs to vi.mock the
entire @tauri-apps/api/core module.

Author: saagar210

src/components/Draft/DraftTab.tsx

@@ -5,6 +5,7 @@ import {
   useImperativeHandle,
   useMemo,
 } from "react";
+import { auditResponseCopyOverride, exportDraft } from "./draftTauriCommands";
 import { DraftResponsePanel } from "./DraftResponsePanel";
 import { InputPanel } from "./InputPanel";
 import { DiagnosisPanel, TreeResult } from "./DiagnosisPanel";
@@ -529,6 +530,8 @@ export const DraftTab = forwardRef<DraftTabHandle, DraftTabProps>(
       streamingText,
       cancelGeneration,
       saveAsTemplate,
+      auditResponseCopyOverride,
+      exportDraft,
       logEvent,
       setResponse,
       setOriginalResponse,

src/components/Draft/draftTauriCommands.ts

@@ -0,0 +1,22 @@
+import { invoke } from "@tauri-apps/api/core";
+
+interface AuditResponseCopyOverrideParams {
+  reason: string;
+  confidenceMode: string | null;
+  sourcesCount: number;
+}
+
+export function auditResponseCopyOverride(
+  params: AuditResponseCopyOverrideParams,
+): Promise<unknown> {
+  return invoke("audit_response_copy_override", { ...params });
+}
+
+interface ExportDraftParams {
+  responseText: string;
+  format: "Markdown";
+}
+
+export function exportDraft(params: ExportDraftParams): Promise<boolean> {
+  return invoke<boolean>("export_draft", { ...params });
+}

src/components/Draft/useResponseActions.test.ts

@@ -1,13 +1,6 @@
 // @vitest-environment jsdom
 import { act, renderHook } from "@testing-library/react";
 import { beforeEach, describe, expect, it, vi } from "vitest";
-
-const invokeMock = vi.fn();
-vi.mock("@tauri-apps/api/core", () => ({
-  invoke: (command: string, payload?: Record<string, unknown>) =>
-    invokeMock(command, payload),
-}));
-
 import { useResponseActions } from "./useResponseActions";
 
 type HookOptions = Parameters<typeof useResponseActions>[0];
@@ -16,8 +9,6 @@ const writeText = vi.fn().mockResolvedValue(undefined);
 
 beforeEach(() => {
   writeText.mockClear();
-  invokeMock.mockReset();
-  invokeMock.mockResolvedValue(true);
   Object.defineProperty(navigator, "clipboard", {
     value: { writeText },
     configurable: true,
@@ -38,6 +29,8 @@ function makeOptions(overrides: Partial<HookOptions> = {}): HookOptions {
 
     cancelGeneration: vi.fn(),
     saveAsTemplate: vi.fn().mockResolvedValue("tpl-1"),
+    auditResponseCopyOverride: vi.fn().mockResolvedValue(undefined),
+    exportDraft: vi.fn().mockResolvedValue(true),
     logEvent: vi.fn(),
 
     setResponse: vi.fn(),
@@ -62,10 +55,7 @@ describe("useResponseActions", () => {
     });
 
     expect(writeText).toHaveBeenCalledWith("generated text");
-    expect(invokeMock).not.toHaveBeenCalledWith(
-      "audit_response_copy_override",
-      expect.anything(),
-    );
+    expect(options.auditResponseCopyOverride).not.toHaveBeenCalled();
     expect(options.setHandoffTouched).toHaveBeenCalledWith(true);
     expect(options.onShowSuccess).toHaveBeenCalledWith(
       "Response copied to clipboard",
@@ -84,7 +74,7 @@ describe("useResponseActions", () => {
     });
 
     expect(promptSpy).toHaveBeenCalled();
-    expect(invokeMock).toHaveBeenCalledWith("audit_response_copy_override", {
+    expect(options.auditResponseCopyOverride).toHaveBeenCalledWith({
       reason: "ops needs this now",
       confidenceMode: "answer",
       sourcesCount: 0,
@@ -115,7 +105,7 @@ describe("useResponseActions", () => {
       await result.current.handleExportResponse();
     });
 
-    expect(invokeMock).toHaveBeenCalledWith("export_draft", {
+    expect(options.exportDraft).toHaveBeenCalledWith({
       responseText: "generated text",
       format: "Markdown",
     });

src/components/Draft/useResponseActions.ts

@@ -1,4 +1,3 @@
-import { invoke } from "@tauri-apps/api/core";
 import { useCallback, useState } from "react";
 import {
   calculateEditRatio,
@@ -14,6 +13,17 @@ interface TemplateSaveOptions {
   variablesJson?: string;
 }
 
+interface AuditResponseCopyOverrideParams {
+  reason: string;
+  confidenceMode: string | null;
+  sourcesCount: number;
+}
+
+interface ExportDraftParams {
+  responseText: string;
+  format: "Markdown";
+}
+
 interface UseResponseActionsOptions {
   response: string;
   originalResponse: string;
@@ -29,6 +39,10 @@ interface UseResponseActionsOptions {
     content: string,
     options: TemplateSaveOptions,
   ) => Promise<string | null>;
+  auditResponseCopyOverride: (
+    params: AuditResponseCopyOverrideParams,
+  ) => Promise<unknown>;
+  exportDraft: (params: ExportDraftParams) => Promise<boolean>;
   logEvent: (event: string, payload?: Record<string, unknown>) => unknown;
 
   setResponse: (value: string) => void;
@@ -51,6 +65,8 @@ export function useResponseActions({
   streamingText,
   cancelGeneration,
   saveAsTemplate,
+  auditResponseCopyOverride,
+  exportDraft,
   logEvent,
   setResponse,
   setOriginalResponse,
@@ -146,7 +162,7 @@ export function useResponseActions({
           onShowError("Copy cancelled (reason required).");
           return;
         }
-        await invoke("audit_response_copy_override", {
+        await auditResponseCopyOverride({
           reason: reason.trim(),
           confidenceMode: confidence?.mode ?? null,
           sourcesCount: sources.length,
@@ -170,6 +186,7 @@ export function useResponseActions({
     response,
     confidence?.mode,
     sources.length,
+    auditResponseCopyOverride,
     logEvent,
     savedDraftId,
     isResponseEdited,
@@ -185,7 +202,7 @@ export function useResponseActions({
       return;
     }
     try {
-      const saved = await invoke<boolean>("export_draft", {
+      const saved = await exportDraft({
         responseText: response,
         format: "Markdown",
       });
@@ -196,7 +213,7 @@ export function useResponseActions({
     } catch (e) {
       onShowError(`Export failed: ${e}`);
     }
-  }, [response, setHandoffTouched, onShowSuccess, onShowError]);
+  }, [response, exportDraft, setHandoffTouched, onShowSuccess, onShowError]);
 
   const resetResponseActions = useCallback(() => {
     setShowTemplateModal(false);