chore: phase 4 refactor

tests/renderer/navigation/editorRouting.test.ts

@@ -0,0 +1,63 @@
+import { describe, expect, it } from 'vitest';
+import type { Tab } from '../../../src/renderer/store/appStore';
+import {
+  EDITOR_TAB_ROUTE_REGISTRY,
+  resolveEditorRoute,
+} from '../../../src/renderer/navigation/editorRouting';
+
+describe('editorRouting', () => {
+  it('defines canonical tab-type to editor-route mapping', () => {
+    expect(EDITOR_TAB_ROUTE_REGISTRY).toEqual({
+      post: 'post',
+      media: 'media',
+      settings: 'settings',
+      style: 'style',
+      tags: 'tags',
+      chat: 'chat',
+      import: 'import',
+      'metadata-diff': 'metadata-diff',
+      'git-diff': 'git-diff',
+      documentation: 'documentation',
+      'site-validation': 'site-validation',
+    });
+  });
+
+  it('resolves dashboard route when no active tab is present', () => {
+    expect(resolveEditorRoute(undefined)).toEqual({
+      route: 'dashboard',
+      tabId: null,
+      gitDiffResource: null,
+    });
+  });
+
+  it('resolves post and media routes with active tab id', () => {
+    const postTab: Tab = { type: 'post', id: 'post-1', isTransient: true };
+    const mediaTab: Tab = { type: 'media', id: 'media-1', isTransient: false };
+
+    expect(resolveEditorRoute(postTab)).toEqual({
+      route: 'post',
+      tabId: 'post-1',
+      gitDiffResource: null,
+    });
+
+    expect(resolveEditorRoute(mediaTab)).toEqual({
+      route: 'media',
+      tabId: 'media-1',
+      gitDiffResource: null,
+    });
+  });
+
+  it('resolves git-diff route and extracts resource from tab id', () => {
+    const tab: Tab = {
+      type: 'git-diff',
+      id: 'git-diff:commit:abc123',
+      isTransient: true,
+    };
+
+    expect(resolveEditorRoute(tab)).toEqual({
+      route: 'git-diff',
+      tabId: 'git-diff:commit:abc123',
+      gitDiffResource: 'commit:abc123',
+    });
+  });
+});