fix(web): hide unsupported Codex slash commands in remote mode (#357)

web/src/lib/codexSlashCommands.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest'
+import { findUnsupportedCodexBuiltinSlashCommand, getBuiltinSlashCommands } from './codexSlashCommands'
+
+describe('getBuiltinSlashCommands', () => {
+    it('does not expose codex built-ins in remote web mode', () => {
+        expect(getBuiltinSlashCommands('codex')).toEqual([])
+    })
+})
+
+describe('findUnsupportedCodexBuiltinSlashCommand', () => {
+    it('detects unsupported codex built-ins', () => {
+        expect(findUnsupportedCodexBuiltinSlashCommand('/status', [])).toBe('status')
+        expect(findUnsupportedCodexBuiltinSlashCommand('  /diff ', [])).toBe('diff')
+    })
+
+    it('ignores regular messages and unknown commands', () => {
+        expect(findUnsupportedCodexBuiltinSlashCommand('show me status', [])).toBeNull()
+        expect(findUnsupportedCodexBuiltinSlashCommand('/custom-status', [])).toBeNull()
+    })
+
+    it('does not block custom commands that override the same name', () => {
+        expect(findUnsupportedCodexBuiltinSlashCommand('/status', [
+            { name: 'status', source: 'project', content: 'project status prompt' }
+        ])).toBeNull()
+    })
+})