fix: hide duplicated bash permission pattern

Removes permission patterns already shown as the rendered bash command
Keeps distinct patterns visible in the permission card
Adds tests for the pattern filtering behavior

packages/ui/src/components/chat/PermissionCard.test.ts

@@ -0,0 +1,17 @@
+import { describe, expect, test } from 'bun:test';
+
+import { getVisiblePermissionPatterns } from './permissionCardPatterns';
+
+describe('getVisiblePermissionPatterns', () => {
+  test('omits a pattern already rendered as the bash command', () => {
+    const command = 'bunx eslint "src/components/session/SessionSidebar.tsx"';
+
+    expect(getVisiblePermissionPatterns([command], command)).toEqual([]);
+  });
+
+  test('preserves distinct permission patterns', () => {
+    const command = 'bunx eslint "src/components/session/SessionSidebar.tsx"';
+
+    expect(getVisiblePermissionPatterns(['bunx eslint *', command], command)).toEqual(['bunx eslint *']);
+  });
+});