feat: configure agent availability per provider and add Qwen Max 0902

scripts/test-ai-model-picker.cjs

@@ -0,0 +1,164 @@
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+const ts = require('typescript');
+const React = require('react');
+
+const source = ts.createSourceFile('SettingsPage.tsx', fs.readFileSync(require.resolve('../src/pages/settings/SettingsPage.tsx'), 'utf8'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX);
+const constants = source.statements.filter(node => ts.isVariableStatement(node) && ['AI_MODEL_DEFAULTS', 'AI_MODEL_OPTIONS', 'CUSTOM_AI_MODEL', 'AI_PROVIDER_LABELS', 'DEFAULT_QWEN_ENDPOINT'].includes(node.declarationList.declarations[0].name.getText(source)));
+function compile(code, globals = {}) {
+  const exports = {};
+  vm.runInNewContext(ts.transpileModule(code, { compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022, jsx: ts.JsxEmit.ReactJSX } }).outputText, { exports, require, ...globals });
+  return exports;
+}
+const helpers = source.statements.filter(node => ts.isFunctionDeclaration(node) && ['aiSettingDraft', 'aiSettingDrafts'].includes(node.name?.text));
+const catalogs = [...constants, ...helpers].map(node => `export ${node.getText(source)}`).join('\n');
+const { AI_MODEL_OPTIONS, AI_MODEL_DEFAULTS, CUSTOM_AI_MODEL, aiSettingDrafts } = compile(catalogs);
+function find(node, predicate) {
+  if (predicate(node)) return node;
+  return ts.forEachChild(node, child => find(child, predicate));
+}
+const section = find(source, node => ts.isJsxElement(node) && node.openingElement.tagName.getText(source) === 'section' && node.openingElement.attributes.getText(source).includes('border-t border-[#e2e8f0] pt-5') && node.getText(source).includes('AI 공급자'));
+function controls(provider, model, custom = false, configured = true) {
+  const state = { aiProvider: provider, drafts: aiSettingDrafts() };
+  Object.assign(state.drafts[provider], { model, customModel: custom });
+  for (const [name, field] of [['aiModel', 'model'], ['aiCustomModel', 'customModel'], ['aiApiKey', 'apiKey'], ['aiEndpointUrl', 'endpointUrl']]) {
+    Object.defineProperty(state, name, { enumerable: true, get: () => state.drafts[state.aiProvider][field] });
+  }
+  const context = {
+    aiSettingLoading: false, saving: false, aiEndpointUrl: 'https://example.test', aiApiKey: '', aiHasApiKey: false, aiConfiguredProvider: null,
+    aiCopilotConfigured: configured,
+    DEFAULT_QWEN_ENDPOINT: 'https://example.test', KeyRound: () => null,
+    setAiProvider(value) { state.aiProvider = value; }, setAiModel(value) { state.drafts[state.aiProvider].model = value; },
+    setAiCustomModel(value) { state.drafts[state.aiProvider].customModel = value; },
+    setAiApiKey(value) { state.drafts[state.aiProvider].apiKey = value; },
+    setAiEndpointUrl(value) { state.drafts[state.aiProvider].endpointUrl = value; }, setError() {},
+  };
+  const render = () => compile(`${catalogs}\nexport const tree = (${section.getText(source)});`, { ...context, ...state }).tree;
+  return { state, render };
+}
+function elements(root, predicate) {
+  if (!React.isValidElement(root)) return [];
+  return [...(predicate(root) ? [root] : []), ...React.Children.toArray(root.props.children).flatMap(child => elements(child, predicate))];
+}
+
+for (const provider of Object.keys(AI_MODEL_OPTIONS)) {
+  test(`${provider} offers current models and a custom model field`, () => {
+    const h = controls(provider, AI_MODEL_DEFAULTS[provider]);
+    let tree = h.render();
+    const select = elements(tree, node => node.type === 'select')[0];
+    assert.equal(select.props.value, AI_MODEL_DEFAULTS[provider]);
+    assert.equal(elements(select, node => node.type === 'option' && node.props.value === CUSTOM_AI_MODEL).length, 1);
+    assert.equal(elements(tree, node => node.type === 'input' && node.props.type === 'text').length, 0);
+    select.props.onChange({ target: { value: CUSTOM_AI_MODEL } });
+    assert.equal(h.state.aiCustomModel, true);
+    assert.equal(h.state.aiModel, '');
+    tree = h.render();
+    const input = elements(tree, node => node.type === 'input' && node.props.type === 'text')[0];
+    assert.equal(input.props.maxLength, 120);
+    input.props.onChange({ target: { value: 'custom-model-2026' } });
+    assert.equal(h.state.aiModel, 'custom-model-2026');
+    assert.equal(elements(h.render(), node => node.type === 'select')[0].props.value, CUSTOM_AI_MODEL);
+    elements(h.render(), node => node.type === 'select')[0].props.onChange({ target: { value: AI_MODEL_OPTIONS[provider][0].value } });
+    assert.equal(h.state.aiCustomModel, false);
+    assert.equal(h.state.aiModel, AI_MODEL_OPTIONS[provider][0].value);
+    assert.equal(new Set(AI_MODEL_OPTIONS[provider].map(option => option.value)).size, AI_MODEL_OPTIONS[provider].length);
+  });
+}
+
+test('provider defaults select the highest-tier current models at the top of each list', () => {
+  const expected = { OPENAI: 'gpt-6-astra', ANTHROPIC: 'claude-fable-5-1', GEMINI: 'gemini-4-argon', QWEN: 'qwen3.8-max' };
+  for (const [provider, model] of Object.entries(expected)) {
+    assert.equal(AI_MODEL_DEFAULTS[provider], model);
+    assert.equal(AI_MODEL_OPTIONS[provider][0].value, model);
+    const h = controls('A_COPILOT', 'a-copilot');
+    elements(h.render(), node => node.props.role === 'radio' && node.props['aria-label'] === ({ OPENAI: 'OpenAI', ANTHROPIC: 'Claude', GEMINI: 'Gemini', QWEN: 'Qwen' })[provider])[0].props.onClick();
+    assert.equal(h.state.aiModel, model);
+  }
+});
+
+test('saved unknown model IDs remain visible in custom mode', () => {
+  const model = 'provider/private-model:revision-10';
+  const h = controls('QWEN', model, true);
+  const tree = h.render();
+  assert.equal(elements(tree, node => node.type === 'select')[0].props.value, CUSTOM_AI_MODEL);
+  assert.equal(elements(tree, node => node.type === 'input' && node.props.type === 'text')[0].props.value, model);
+  assert.equal(AI_MODEL_OPTIONS.QWEN.some(option => option.value === model), false);
+});
+
+test('Qwen Max 0902 is selectable and saved selections restore without custom mode', () => {
+  const model = 'qwen3.8-max-0902';
+  const h = controls('QWEN', AI_MODEL_DEFAULTS.QWEN);
+  const select = elements(h.render(), node => node.type === 'select')[0];
+  const option = elements(select, node => node.type === 'option' && node.props.value === model);
+  assert.equal(option.length, 1);
+  assert.equal(option[0].props.children, 'Qwen 3.8 Max (0902)');
+  select.props.onChange({ target: { value: model } });
+  assert.equal(h.state.aiModel, model);
+  assert.equal(h.state.aiCustomModel, false);
+  const restored = aiSettingDrafts([{ provider: 'QWEN', enabled: true, model, hasApiKey: true }]);
+  assert.equal(restored.QWEN.model, model);
+  assert.equal(restored.QWEN.customModel, false);
+  assert.equal(AI_MODEL_DEFAULTS.QWEN, 'qwen3.8-max');
+});
+
+test('the selected provider button preserves a custom draft', () => {
+  const h = controls('OPENAI', 'custom-gpt', true);
+  const providers = elements(h.render(), node => node.props.role === 'radio');
+  providers.find(node => node.props['aria-label'] === 'OpenAI').props.onClick();
+  assert.equal(h.state.aiModel, 'custom-gpt');
+  assert.equal(h.state.aiCustomModel, true);
+  providers.find(node => node.props['aria-label'] === 'Claude').props.onClick();
+  assert.equal(h.state.aiProvider, 'ANTHROPIC');
+  assert.equal(h.state.aiModel, AI_MODEL_DEFAULTS.ANTHROPIC);
+  assert.equal(h.state.aiCustomModel, false);
+});
+
+test('A-Copilot is first and exposes only fixed read-only fields without a model picker', () => {
+  const tree = controls('A_COPILOT', 'a-copilot').render();
+  assert.equal(elements(tree, node => node.props.role === 'radio')[0].props['aria-label'], 'A-Copilot');
+  assert.equal(elements(tree, node => node.type === 'select').length, 0);
+  const inputs = elements(tree, node => node.type === 'input');
+  assert.deepEqual(inputs.map(node => node.props.value), ['A-Copilot', '서버에서 관리']);
+  assert.ok(inputs.every(node => node.props.readOnly && !node.props.onChange));
+  assert.equal(AI_MODEL_DEFAULTS.A_COPILOT, 'a-copilot');
+  assert.equal(elements(controls('A_COPILOT', 'a-copilot', false, false).render(), node => node.props.role === 'alert').length, 1);
+});
+
+test('official current API IDs are present', () => {
+  for (const [provider, ids] of Object.entries({
+    OPENAI: ['gpt-6.1-sol', 'gpt-6-astra', 'gpt-6-luna'],
+    ANTHROPIC: ['claude-sonnet-5-5', 'claude-opus-5-5', 'claude-haiku-5-5', 'claude-fable-5-1'],
+    GEMINI: ['gemini-4-argon', 'gemini-3.8-flash', 'gemini-3.5-flash-lite'],
+    QWEN: ['qwen3.8-max', 'qwen3.8-flash'],
+  })) for (const id of ids) assert.ok(AI_MODEL_OPTIONS[provider].some(option => option.value === id), id);
+});
+
+test('all new providers default to disabled while saved settings stay intact', () => {
+  assert.ok(Object.values(aiSettingDrafts()).every(draft => !draft.enabled && !draft.hasApiKey && draft.apiKey === ''));
+  const drafts = aiSettingDrafts([{ provider: 'QWEN', enabled: true, model: 'custom-qwen', hasApiKey: true, endpointUrl: 'https://qwen.test/v1' }]);
+  assert.equal(drafts.QWEN.enabled, true);
+  assert.equal(drafts.QWEN.model, 'custom-qwen');
+  assert.equal(drafts.QWEN.customModel, true);
+  assert.equal(drafts.OPENAI.enabled, false);
+  assert.equal(drafts.OPENAI.hasApiKey, false);
+});
+
+test('switching providers preserves separate unsaved models, keys and availability', () => {
+  const h = controls('OPENAI', 'private-model', true);
+  Object.assign(h.state.drafts.OPENAI, { enabled: true, apiKey: 'openai-draft' });
+  const provider = name => elements(h.render(), node => node.props.role === 'radio' && node.props['aria-label'] === name)[0];
+  provider('Qwen').props.onClick();
+  assert.equal(h.state.aiApiKey, '');
+  Object.assign(h.state.drafts.QWEN, { model: 'qwen3.8-flash', enabled: false, apiKey: 'qwen-draft' });
+  provider('OpenAI').props.onClick();
+  assert.equal(h.state.aiModel, 'private-model');
+  assert.equal(h.state.aiCustomModel, true);
+  assert.equal(h.state.aiApiKey, 'openai-draft');
+  assert.equal(h.state.drafts.OPENAI.enabled, true);
+  provider('Qwen').props.onClick();
+  assert.equal(h.state.aiModel, 'qwen3.8-flash');
+  assert.equal(h.state.aiApiKey, 'qwen-draft');
+  assert.equal(h.state.drafts.QWEN.enabled, false);
+});

scripts/test-settings-navigation.cjs

@@ -0,0 +1,64 @@
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+const ts = require('typescript');
+const React = require('react');
+
+const read = path => fs.readFileSync(require.resolve(`../src/${path}`), 'utf8');
+function compile(source, globals = {}) {
+  const exports = {};
+  const code = ts.transpileModule(source, { compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022, jsx: ts.JsxEmit.ReactJSX } }).outputText;
+  vm.runInNewContext(code, { exports, require, ...globals });
+  return exports;
+}
+function elements(root, predicate) {
+  if (!React.isValidElement(root)) return [];
+  return [...(predicate(root) ? [root] : []), ...React.Children.toArray(root.props.children).flatMap(child => elements(child, predicate))];
+}
+const source = ts.createSourceFile('SettingsPage.tsx', read('pages/settings/SettingsPage.tsx'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX);
+const page = source.statements.find(node => ts.isFunctionDeclaration(node) && node.name?.text === 'SettingsPage');
+const CourseAiSettings = () => null;
+const { SettingsPage } = compile(page.getText(source), { CourseAiSettings, PageHeader: () => null, Bot: () => null });
+const props = {
+  session: { accessToken: 'test-token', user: { id: 'teacher' } },
+  selectedCourseId: 'course-a',
+  courses: [{ id: 'course-a', title: 'A' }, { id: 'course-b', title: 'B' }],
+};
+
+test('settings remounts the credential draft when course or session changes', () => {
+  const form = input => elements(SettingsPage(input), node => node.type === CourseAiSettings)[0];
+  const initial = form(props);
+  assert.equal(initial.props.selectedCourseId, 'course-a');
+  assert.notEqual(initial.key, form({ ...props, selectedCourseId: 'course-b' }).key);
+  assert.notEqual(initial.key, form({ ...props, session: { ...props.session, accessToken: 'new-token' } }).key);
+});
+
+test('settings is width-constrained and centered without a duplicate course selector', () => {
+  const tree = SettingsPage(props);
+  assert.match(tree.props.className, /mx-auto.*w-full.*max-w-\[920px\]/);
+  const header = React.Children.toArray(tree.props.children)[0];
+  assert.equal(header.props.action, undefined);
+  assert.equal(elements(tree, node => node.type === 'select').length, 0);
+  assert.equal(elements(SettingsPage({ ...props, selectedCourseId: '', courses: [] }), node => node.type === CourseAiSettings).length, 0);
+});
+
+test('curriculum no longer loads AI settings or offers an agent tab', () => {
+  const curriculum = read('pages/curriculum/CurriculumPage.tsx');
+  assert.doesNotMatch(curriculum, /getCourseAiSetting|updateCourseAiSetting|handleSaveAiSetting|setActiveTab\('ai'\)/);
+  assert.match(read('App.tsx'), /<SettingsPage session=\{session\} selectedCourseId=\{selectedCourseId\} courses=\{courses\} \/>/);
+  assert.match(read('App.tsx'), /<InstructorLayout[\s\S]*?onSelectCourse=\{handleSelectCourse\}/);
+});
+
+test('analytics is hidden from the menu without deleting its existing route', () => {
+  const routes = compile(read('routes.ts').replace('import.meta.env.BASE_URL', JSON.stringify('/lms-adm/')));
+  assert.equal(routes.navItems.some(item => item.id === 'analytics'), false);
+  assert.equal(routes.navItems.some(item => item.id === 'settings'), true);
+  assert.equal(routes.isAppRoute('analytics'), true);
+  assert.equal(routes.getRouteFromPathname('/lms-adm/analytics'), 'analytics');
+});
+
+test('settings has a general-purpose noun phrase rather than an AI-only sentence', () => {
+  const { pageMeta } = compile(read('pageMeta.ts'));
+  assert.equal(pageMeta.settings.description, '강좌 및 서비스 환경 설정');
+});

src/App.tsx

@@ -231,6 +231,7 @@ function App() {
             route={visibleRoute}
             session={session}
             selectedCourseId={selectedCourseId}
+            courses={courses}
             onNavigate={setRoute}
             onOpenChatThread={(threadId) => setChatThreadOpenRequest({ threadId, requestId: Date.now() })}
           />
@@ -294,7 +295,7 @@ function SessionExpiredPage({ onLogin }: { onLogin: () => void }) {
   );
 }
 
-function RoutePage({ route, session, selectedCourseId, onNavigate, onOpenChatThread }: { route: AppRoute; session: AuthSession; selectedCourseId: string; onNavigate: (route: AppRoute) => void; onOpenChatThread: (threadId: string) => void }) {
+function RoutePage({ route, session, selectedCourseId, courses, onNavigate, onOpenChatThread }: { route: AppRoute; session: AuthSession; selectedCourseId: string; courses: InstructorCourse[]; onNavigate: (route: AppRoute) => void; onOpenChatThread: (threadId: string) => void }) {
   switch (route) {
     case 'dashboard':
       return <DashboardPage session={session} selectedCourseId={selectedCourseId} onNavigate={onNavigate} onOpenChatThread={onOpenChatThread} />;
@@ -311,7 +312,7 @@ function RoutePage({ route, session, selectedCourseId, onNavigate, onOpenChatThr
     case 'analytics':
       return <AnalyticsPage />;
     case 'settings':
-      return <SettingsPage />;
+      return <SettingsPage session={session} selectedCourseId={selectedCourseId} courses={courses} />;
     case 'profile':
       return <ProfilePage session={session} />;
   }

src/lib/curriculum.ts

@@ -115,12 +115,16 @@ export type InstructorCurriculumResponse = {
 export type CourseAiSetting = {
   courseId: string;
   enabled: boolean;
-  provider: 'OPENAI' | 'ANTHROPIC' | 'GEMINI' | 'QWEN';
+  provider: 'A_COPILOT' | 'OPENAI' | 'ANTHROPIC' | 'GEMINI' | 'QWEN';
   model: string;
+  endpointUrl?: string | null;
   hasApiKey: boolean;
+  copilotConfigured?: boolean;
   updatedAt?: string | null;
 };
 
+export type CourseAiSettings = CourseAiSetting & { settings: CourseAiSetting[] };
+
 const LMS_API_BASE_URL = (import.meta.env.VITE_API_BASE_URL ?? 'https://workspace.autonomystudio.net/lms-api/api').replace(/\/+$/, '');
 
 function uploadErrorMessage(status: number, fallback: string) {
@@ -143,18 +147,18 @@ export async function getInstructorCurriculum(accessToken: string, groupId?: str
   return response.json() as Promise<InstructorCurriculumResponse>;
 }
 
-export async function getCourseAiSetting(accessToken: string, courseId: string): Promise<CourseAiSetting> {
+export async function getCourseAiSetting(accessToken: string, courseId: string): Promise<CourseAiSettings> {
   const response = await fetch(`${LMS_API_BASE_URL}/instructor/courses/${encodeURIComponent(courseId)}/ai-setting`, {
     headers: { Authorization: `Bearer ${accessToken}` },
   });
   if (!response.ok) throw new Error(`AI 에이전트 설정을 불러오지 못했습니다. (${response.status})`);
-  return response.json() as Promise<CourseAiSetting>;
+  return response.json() as Promise<CourseAiSettings>;
 }
 
 export async function updateCourseAiSetting(
   accessToken: string,
   courseId: string,
-  input: Pick<CourseAiSetting, 'enabled' | 'provider' | 'model'> & { apiKey?: string },
+  input: Pick<CourseAiSetting, 'enabled' | 'provider'> & { model?: string; apiKey?: string; endpointUrl?: string },
 ): Promise<CourseAiSetting> {
   const response = await fetch(`${LMS_API_BASE_URL}/instructor/courses/${encodeURIComponent(courseId)}/ai-setting`, {
     method: 'PUT',

src/pageMeta.ts

@@ -36,7 +36,7 @@ export const pageMeta: Record<AppRoute, PageMeta> = {
   },
   settings: {
     title: '설정',
-    description: '강사 포털의 운영 정책과 계정 설정을 관리합니다.'
+    description: '강좌 및 서비스 환경 설정'
   },
   profile: {
     title: '프로필',

src/pages/curriculum/CurriculumPage.tsx

@@ -1,54 +1,15 @@
 import { useEffect, useMemo, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
-import { Bot, CheckCircle2, CirclePlay, Clock3, FileCode2, FileText, KeyRound, Loader2, Map, Plus, RadioTower, Save, Target, Trash2, Upload, UsersRound, type LucideIcon } from 'lucide-react';
+import { CheckCircle2, CirclePlay, Clock3, FileCode2, FileText, Loader2, Map, Plus, RadioTower, Save, Target, Trash2, Upload, UsersRound, type LucideIcon } from 'lucide-react';
 import { ConfirmDialog } from '../../components/ConfirmDialog';
 import { WeekCoverEditor } from '../../components/WeekCoverEditor';
 import { PageHeader } from '../../components/PageHeader';
 import { useToast } from '../../components/ToastProvider';
-import { createInstructorCurriculumMap, deleteCurriculumReference, deleteInstructorCurriculumWeek, getCourseAiSetting, getInstructorCurriculum, updateCourseAiSetting, updateInstructorCurriculum, uploadCurriculumExampleCode, uploadCurriculumReference, type CourseAiSetting, type CurriculumEnvironmentProfile, type CurriculumWeek, type InstructorCurriculumResponse } from '../../lib/curriculum';
+import { createInstructorCurriculumMap, deleteCurriculumReference, deleteInstructorCurriculumWeek, getInstructorCurriculum, updateInstructorCurriculum, uploadCurriculumExampleCode, uploadCurriculumReference, type CurriculumEnvironmentProfile, type CurriculumWeek, type InstructorCurriculumResponse } from '../../lib/curriculum';
 import { listInstructorGroups, type InstructorGroup } from '../../lib/groups';
 import type { AuthSession } from '../../types/auth';
 
 const CURRICULUM_SELECTED_GROUP_STORAGE_PREFIX = 'lms-admin-curriculum-selected-group-id';
-const AI_MODEL_DEFAULTS: Record<CourseAiSetting['provider'], string> = {
-  OPENAI: 'gpt-4.1-mini',
-  ANTHROPIC: 'claude-sonnet-4-5',
-  GEMINI: 'gemini-2.5-flash',
-  QWEN: 'qwen3.7-plus',
-};
-
-const AI_PROVIDER_LABELS: Record<CourseAiSetting['provider'], string> = {
-  OPENAI: 'OpenAI',
-  ANTHROPIC: 'Claude',
-  GEMINI: 'Gemini',
-  QWEN: 'Qwen',
-};
-
-const AI_MODEL_OPTIONS: Record<CourseAiSetting['provider'], Array<{ value: string; label: string }>> = {
-  OPENAI: [
-    { value: 'gpt-4.1-mini', label: 'GPT-4.1 Mini' },
-    { value: 'gpt-4.1', label: 'GPT-4.1' },
-    { value: 'gpt-4o-mini', label: 'GPT-4o Mini' },
-  ],
-  ANTHROPIC: [
-    { value: 'claude-sonnet-4-5', label: 'Claude Sonnet 4.5' },
-    { value: 'claude-haiku-4-5', label: 'Claude Haiku 4.5' },
-    { value: 'claude-opus-4-1', label: 'Claude Opus 4.1' },
-  ],
-  GEMINI: [
-    { value: 'gemini-2.5-flash', label: 'Gemini 2.5 Flash' },
-    { value: 'gemini-2.5-pro', label: 'Gemini 2.5 Pro' },
-    { value: 'gemini-2.0-flash', label: 'Gemini 2.0 Flash' },
-  ],
-  QWEN: [
-    { value: 'qwen3.7-plus', label: 'Qwen 3.7 Plus' },
-    { value: 'qwen3.7-flash', label: 'Qwen 3.7 Flash' },
-    { value: 'qwen-vl-plus', label: 'Qwen VL Plus' },
-    { value: 'qwen-vl-max', label: 'Qwen VL Max' },
-    { value: 'qwen-plus', label: 'Qwen Plus (text)' },
-  ],
-};
-
 type ModuleParameterDraft = {
   key: string;
   value: string;
@@ -183,14 +144,7 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
   const [referenceFile, setReferenceFile] = useState<File | null>(null);
   const [exampleCodeTitle, setExampleCodeTitle] = useState('');
   const [exampleCodeFile, setExampleCodeFile] = useState<File | null>(null);
-  const [activeTab, setActiveTab] = useState<'apply' | 'edit' | 'modules' | 'maps' | 'examples' | 'ai'>('apply');
-  const [aiEnabled, setAiEnabled] = useState(false);
-  const [aiProvider, setAiProvider] = useState<CourseAiSetting['provider']>('OPENAI');
-  const [aiModel, setAiModel] = useState(AI_MODEL_DEFAULTS.OPENAI);
-  const [aiApiKey, setAiApiKey] = useState('');
-  const [aiHasApiKey, setAiHasApiKey] = useState(false);
-  const [aiConfiguredProvider, setAiConfiguredProvider] = useState<CourseAiSetting['provider'] | null>(null);
-  const [aiSettingLoading, setAiSettingLoading] = useState(false);
+  const [activeTab, setActiveTab] = useState<'apply' | 'edit' | 'modules' | 'maps' | 'examples'>('apply');
   const [error, setError] = useState<string | null>(null);
   const [saving, setSaving] = useState(false);
   const [deleteConfirmOpen, setDeleteConfirmOpen] = useState(false);
@@ -201,7 +155,7 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
   const selectedGroup = useMemo(() => groups.find((group) => group.id === selectedGroupId) ?? null, [groups, selectedGroupId]);
   const hasGroups = groups.length > 0;
   const selectedWeekCompleted = selectedWeek?.state === 'done';
-  const primaryActionDisabled = saving || aiSettingLoading || (activeTab !== 'ai' && !selectedWeek) || (activeTab === 'apply' && !selectedGroup);
+  const primaryActionDisabled = saving || !selectedWeek || (activeTab === 'apply' && !selectedGroup);
   const selectedTopics = activeTab === 'edit' ? draftTopics : selectedWeek?.topics ?? [];
   const selectedTopicDetails = activeTab === 'edit' ? draftTopicDetails : selectedWeek?.detail.topicDetails ?? [];
   const selectedWeekDeletable = selectedWeek?.canDelete === true;
@@ -316,54 +270,6 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
     };
   }, [session.accessToken, selectedGroupId, selectedCourseId]);
 
-  useEffect(() => {
-    if (!selectedCourseId) return;
-    let cancelled = false;
-    setAiSettingLoading(true);
-    getCourseAiSetting(session.accessToken, selectedCourseId)
-      .then((setting) => {
-        if (cancelled) return;
-        setAiEnabled(setting.enabled);
-        setAiProvider(setting.provider);
-        setAiModel(setting.model);
-        setAiHasApiKey(setting.hasApiKey);
-        setAiConfiguredProvider(setting.hasApiKey ? setting.provider : null);
-        setAiApiKey('');
-      })
-      .catch((reason: Error) => {
-        if (!cancelled) setError(reason.message);
-      })
-      .finally(() => {
-        if (!cancelled) setAiSettingLoading(false);
-      });
-    return () => { cancelled = true; };
-  }, [selectedCourseId, session.accessToken]);
-
-  const handleSaveAiSetting = async () => {
-    if (!selectedCourseId) return;
-    setSaving(true);
-    setError(null);
-    try {
-      const setting = await updateCourseAiSetting(session.accessToken, selectedCourseId, {
-        enabled: aiEnabled,
-        provider: aiProvider,
-        model: aiModel.trim(),
-        ...(aiApiKey.trim() ? { apiKey: aiApiKey.trim() } : {}),
-      });
-      setAiEnabled(setting.enabled);
-      setAiProvider(setting.provider);
-      setAiModel(setting.model);
-      setAiHasApiKey(setting.hasApiKey);
-      setAiConfiguredProvider(setting.hasApiKey ? setting.provider : null);
-      setAiApiKey('');
-      showToast({ title: 'AI 에이전트 설정이 저장되었습니다.', message: setting.enabled ? `${setting.provider} · ${setting.model}` : '사용 안 함' });
-    } catch (reason) {
-      setError(reason instanceof Error ? reason.message : 'AI 에이전트 설정을 저장하지 못했습니다.');
-    } finally {
-      setSaving(false);
-    }
-  };
-
   useEffect(() => {
     if (!selectedWeek) return;
     setDraftTagLabel(selectedWeek.tags[0] ?? '');
@@ -875,13 +781,6 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
             >
               예제 코드
             </button>
-            <button
-              type="button"
-              className={`h-8 rounded-md px-4 text-[13px] font-black transition ${activeTab === 'ai' ? 'bg-[#2563eb] text-white shadow-[0_8px_18px_rgba(37,99,235,0.18)]' : 'text-[#475569] hover:bg-[#e2e8f0] hover:text-[#111827]'}`}
-              onClick={() => setActiveTab('ai')}
-            >
-              AI 에이전트
-            </button>
           </div>
           <select
             className="h-10 min-w-[190px] rounded-md border border-[#cbd5e1] bg-white px-3 text-[13px] font-bold text-[#111827] shadow-sm outline-none transition hover:border-[#94a3b8] focus:border-[#2563eb] focus:ring-2 focus:ring-[#bfdbfe] disabled:border-[#d1d9e6] disabled:bg-[#f8fafc] disabled:text-[#94a3b8]"
@@ -898,9 +797,9 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
         </div>
         <div className="flex items-center gap-2">
           {activeTab !== 'examples' && !(activeTab === 'apply' && selectedWeekCompleted) ? (
-            <button className="inline-flex h-10 items-center gap-2 rounded-md bg-[#2563eb] px-4 text-[13px] font-bold text-white hover:bg-[#1d4ed8] disabled:cursor-not-allowed disabled:opacity-60" type="button" onClick={() => void (activeTab === 'ai' ? handleSaveAiSetting() : activeTab === 'apply' ? handleApply() : activeTab === 'modules' || activeTab === 'maps' ? handleSaveModules() : handleSaveContent())} disabled={primaryActionDisabled}>
+            <button className="inline-flex h-10 items-center gap-2 rounded-md bg-[#2563eb] px-4 text-[13px] font-bold text-white hover:bg-[#1d4ed8] disabled:cursor-not-allowed disabled:opacity-60" type="button" onClick={() => void (activeTab === 'apply' ? handleApply() : activeTab === 'modules' || activeTab === 'maps' ? handleSaveModules() : handleSaveContent())} disabled={primaryActionDisabled}>
               {saving ? <Loader2 className="animate-spin" size={15} aria-hidden="true" /> : activeTab === 'apply' ? <CirclePlay size={15} aria-hidden="true" /> : <Save size={15} aria-hidden="true" />}
-              {activeTab === 'apply' ? '진행하기' : activeTab === 'modules' ? '모듈 저장' : activeTab === 'maps' ? '맵 저장' : activeTab === 'ai' ? 'AI 설정 저장' : '내용 저장'}
+              {activeTab === 'apply' ? '진행하기' : activeTab === 'modules' ? '모듈 저장' : activeTab === 'maps' ? '맵 저장' : '내용 저장'}
             </button>
           ) : null}
           {activeTab === 'apply' ? (
@@ -1284,88 +1183,6 @@ export function CurriculumPage({ session, selectedCourseId }: { session: AuthSes
                 </div>
               </div>
             </section>
-          </div>
-	          ) : activeTab === 'ai' ? (
-          <div className="grid gap-5 p-5">
-            <section>
-              <div className="flex items-start justify-between gap-4">
-                <div>
-                  <div className="flex items-center gap-2">
-                    <Bot size={17} className="text-[#2563eb]" aria-hidden="true" />
-                    <h3 className="text-[15px] font-black text-[#111827]">강좌 AI 에이전트</h3>
-                  </div>
-                  <p className="mt-1.5 max-w-[640px] text-[12px] font-semibold leading-6 text-[#64748b]">학생이 현재 모듈의 코드를 AI에게 분석시키고, 검토한 변경안을 코드 에디터에 적용할 수 있습니다.</p>
-                </div>
-                <label className="inline-flex cursor-pointer items-center gap-2 text-[12px] font-black text-[#475569]">
-                  <input type="checkbox" checked={aiEnabled} onChange={(event) => setAiEnabled(event.target.checked)} className="h-4 w-4 rounded border-[#cbd5e1] text-[#2563eb] focus:ring-[#2563eb]" />
-                  사용
-                </label>
-              </div>
-            </section>
-
-            <section className="border-t border-[#e2e8f0] pt-5">
-              <div>
-                <span className="text-[12px] font-black text-[#475569]">AI 공급자</span>
-                <div className="mt-2 grid grid-cols-2 gap-2 sm:grid-cols-4" role="radiogroup" aria-label="AI 공급자">
-                  {(Object.keys(AI_PROVIDER_LABELS) as CourseAiSetting['provider'][]).map((provider) => (
-                    <button
-                      key={provider}
-                      type="button"
-                      role="radio"
-                      aria-checked={aiProvider === provider}
-                      disabled={aiSettingLoading}
-                      onClick={() => {
-                        setAiProvider(provider);
-                        setAiModel(AI_MODEL_DEFAULTS[provider]);
-                        setAiApiKey('');
-                      }}
-                      className={`h-10 rounded-md border text-[13px] font-black transition disabled:cursor-not-allowed disabled:opacity-60 ${
-                        aiProvider === provider
-                          ? 'border-[#2563eb] bg-[#eff6ff] text-[#1d4ed8] shadow-[0_0_0_1px_rgba(37,99,235,0.12)]'
-                          : 'border-[#cbd5e1] bg-white text-[#475569] hover:border-[#94a3b8] hover:bg-[#f8fafc]'
-                      }`}
-                    >
-                      {AI_PROVIDER_LABELS[provider]}
-                    </button>
-                  ))}
-                </div>
-              </div>
-              <label className="mt-4 block">
-                <span className="text-[12px] font-black text-[#475569]">모델</span>
-                <select
-                  value={aiModel}
-                  disabled={aiSettingLoading}
-                  onChange={(event) => setAiModel(event.target.value)}
-                  className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 text-[13px] font-bold text-[#111827] outline-none focus:border-[#2563eb]"
-                >
-                  {AI_MODEL_OPTIONS[aiProvider].map((option) => (
-                    <option key={option.value} value={option.value}>{option.label}</option>
-                  ))}
-                </select>
-              </label>
-              <label className="mt-4 block">
-                <span className="flex items-center gap-1.5 text-[12px] font-black text-[#475569]"><KeyRound size={13} aria-hidden="true" />API 키</span>
-                <input
-                  type="password"
-                  autoComplete="new-password"
-                  value={aiApiKey}
-                  onChange={(event) => setAiApiKey(event.target.value)}
-                  placeholder={aiHasApiKey && aiConfiguredProvider === aiProvider ? '설정됨 · 변경할 때만 새 키 입력' : 'API 키 입력'}
-                  className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 text-[13px] font-bold text-[#111827] outline-none focus:border-[#2563eb]"
-                />
-                <span className="mt-1.5 block text-[11px] font-semibold text-[#64748b]">키는 서버에서 암호화되어 저장되며 학생 앱으로 전달되지 않습니다.</span>
-              </label>
-            </section>
-
-            <section className="border-t border-[#e2e8f0] pt-5">
-              <h3 className="text-[13px] font-black text-[#111827]">학생 적용 절차</h3>
-              <ol className="mt-3 grid gap-2 text-[12px] font-semibold leading-6 text-[#64748b]">
-                <li>1. 학생이 에이전트 탭에서 요청을 입력합니다.</li>
-                <li>2. AI가 현재 모듈 파일을 읽고 파일별 변경안을 만듭니다.</li>
-                <li>3. 학생이 변경 내용을 확인하고 적용 버튼을 누릅니다.</li>
-                <li>4. 변경 파일이 코드 에디터에 열리며 빌드와 실행은 학생이 직접 수행합니다.</li>
-              </ol>
-            </section>
           </div>
 	          ) : (
           <div className="grid gap-4 p-5">

src/pages/settings/SettingsPage.tsx

@@ -1,6 +1,344 @@
-import { Settings } from 'lucide-react';
-import { PlaceholderPage } from '../common/PlaceholderPage';
+import { useEffect, useRef, useState } from 'react';
+import { Bot, KeyRound, Loader2, RefreshCw, Save } from 'lucide-react';
+import { PageHeader } from '../../components/PageHeader';
+import { useToast } from '../../components/ToastProvider';
+import { getCourseAiSetting, updateCourseAiSetting, type CourseAiSetting } from '../../lib/curriculum';
+import type { InstructorCourse } from '../../lib/courses';
+import type { AuthSession } from '../../types/auth';
 
-export function SettingsPage() {
-  return <PlaceholderPage icon={Settings} route="settings" items={['권한 정책', '알림 설정', '서비스 연결']} />;
+const AI_MODEL_DEFAULTS: Record<CourseAiSetting['provider'], string> = {
+  A_COPILOT: 'a-copilot',
+  OPENAI: 'gpt-6-astra',
+  ANTHROPIC: 'claude-fable-5-1',
+  GEMINI: 'gemini-4-argon',
+  QWEN: 'qwen3.8-max',
+};
+
+const DEFAULT_QWEN_ENDPOINT = 'https://dashscope-intl.aliyuncs.com/compatible-mode/v1';
+const CUSTOM_AI_MODEL = '__custom__';
+
+const AI_PROVIDER_LABELS: Record<CourseAiSetting['provider'], string> = {
+  A_COPILOT: 'A-Copilot',
+  OPENAI: 'OpenAI',
+  ANTHROPIC: 'Claude',
+  GEMINI: 'Gemini',
+  QWEN: 'Qwen',
+};
+
+const AI_MODEL_OPTIONS: Record<Exclude<CourseAiSetting['provider'], 'A_COPILOT'>, Array<{ value: string; label: string }>> = {
+  // Official provider model catalogs checked on 2026-10-19; keep existing selections intact.
+  OPENAI: [
+    { value: 'gpt-6-astra', label: 'GPT-6 Astra' },
+    { value: 'gpt-6.1-sol', label: 'GPT-6.1 Sol' },
+    { value: 'gpt-6-luna', label: 'GPT-6 Luna' },
+    { value: 'gpt-4.1-mini', label: 'GPT-4.1 Mini' },
+    { value: 'gpt-4.1', label: 'GPT-4.1' },
+    { value: 'gpt-4o-mini', label: 'GPT-4o Mini' },
+  ],
+  ANTHROPIC: [
+    { value: 'claude-fable-5-1', label: 'Claude Fable 5.1' },
+    { value: 'claude-opus-5-5', label: 'Claude Opus 5.5' },
+    { value: 'claude-sonnet-5-5', label: 'Claude Sonnet 5.5' },
+    { value: 'claude-haiku-5-5', label: 'Claude Haiku 5.5' },
+    { value: 'claude-sonnet-4-5', label: 'Claude Sonnet 4.5' },
+    { value: 'claude-haiku-4-5', label: 'Claude Haiku 4.5' },
+    { value: 'claude-opus-4-1', label: 'Claude Opus 4.1' },
+  ],
+  GEMINI: [
+    { value: 'gemini-4-argon', label: 'Gemini 4 Argon' },
+    { value: 'gemini-3.8-flash', label: 'Gemini 3.8 Flash' },
+    { value: 'gemini-3.5-flash-lite', label: 'Gemini 3.5 Flash-Lite' },
+    { value: 'gemini-3.1-pro-preview', label: 'Gemini 3.1 Pro (Preview)' },
+    { value: 'gemini-2.5-flash', label: 'Gemini 2.5 Flash' },
+    { value: 'gemini-2.5-pro', label: 'Gemini 2.5 Pro' },
+    { value: 'gemini-2.0-flash', label: 'Gemini 2.0 Flash' },
+  ],
+  QWEN: [
+    { value: 'qwen3.8-max', label: 'Qwen 3.8 Max' },
+    { value: 'qwen3.8-max-0902', label: 'Qwen 3.8 Max (0902)' },
+    { value: 'qwen3.8-flash', label: 'Qwen 3.8 Flash' },
+    { value: 'qwen3.7-plus', label: 'Qwen 3.7 Plus' },
+    { value: 'qwen3.7-flash', label: 'Qwen 3.7 Flash' },
+    { value: 'qwen-vl-plus', label: 'Qwen VL Plus' },
+    { value: 'qwen-vl-max', label: 'Qwen VL Max' },
+    { value: 'qwen-plus', label: 'Qwen Plus (text)' },
+  ],
+};
+
+type AiSettingDraft = {
+  enabled: boolean;
+  model: string;
+  customModel: boolean;
+  endpointUrl: string;
+  apiKey: string;
+  hasApiKey: boolean;
+};
+
+function aiSettingDraft(provider: CourseAiSetting['provider'], setting?: CourseAiSetting): AiSettingDraft {
+  const model = provider === 'A_COPILOT' ? AI_MODEL_DEFAULTS.A_COPILOT : setting?.model ?? AI_MODEL_DEFAULTS[provider];
+  return {
+    enabled: setting?.enabled ?? false,
+    model,
+    customModel: provider !== 'A_COPILOT' && !AI_MODEL_OPTIONS[provider].some(option => option.value === model),
+    endpointUrl: setting?.endpointUrl || DEFAULT_QWEN_ENDPOINT,
+    apiKey: '',
+    hasApiKey: setting?.hasApiKey ?? false,
+  };
+}
+
+function aiSettingDrafts(settings: CourseAiSetting[] = []) {
+  return Object.fromEntries((Object.keys(AI_PROVIDER_LABELS) as CourseAiSetting['provider'][])
+    .map(provider => [provider, aiSettingDraft(provider, settings.find(setting => setting.provider === provider))])) as Record<CourseAiSetting['provider'], AiSettingDraft>;
+}
+
+type SettingsPageProps = {
+  session: AuthSession;
+  selectedCourseId: string;
+  courses: InstructorCourse[];
+};
+
+export function SettingsPage({ session, selectedCourseId, courses }: SettingsPageProps) {
+  const selectedCourse = courses.find(course => course.id === selectedCourseId);
+
+  return (
+    <div className="mx-auto w-full max-w-[920px]">
+      <PageHeader route="settings" />
+      {selectedCourse ? (
+        <CourseAiSettings key={`${session.user.id}:${session.accessToken}:${selectedCourseId}`} session={session} selectedCourseId={selectedCourseId} />
+      ) : (
+        <section className="border-y border-[#d1d9e6] bg-white px-5 py-8">
+          <h2 className="flex items-center gap-2 text-[15px] font-black text-[#111827]"><Bot size={17} className="text-[#2563eb]" aria-hidden="true" />AI 에이전트</h2>
+          <p className="mt-3 text-[13px] font-semibold text-[#64748b]">설정할 강좌가 없습니다.</p>
+        </section>
+      )}
+    </div>
+  );
+}
+
+function CourseAiSettings({ session, selectedCourseId }: Pick<SettingsPageProps, 'session' | 'selectedCourseId'>) {
+  const { showToast } = useToast();
+  const [aiProvider, setAiProvider] = useState<CourseAiSetting['provider']>('A_COPILOT');
+  const [drafts, setDrafts] = useState(aiSettingDrafts);
+  const [aiCopilotConfigured, setAiCopilotConfigured] = useState(false);
+  const [aiSettingLoading, setAiSettingLoading] = useState(true);
+  const [saving, setSaving] = useState(false);
+  const [loaded, setLoaded] = useState(false);
+  const [loadAttempt, setLoadAttempt] = useState(0);
+  const [error, setError] = useState<string | null>(null);
+  const mounted = useRef(false);
+  const draft = drafts[aiProvider];
+  const aiEnabled = draft.enabled;
+  const aiModel = draft.model;
+  const aiCustomModel = draft.customModel;
+  const aiEndpointUrl = draft.endpointUrl;
+  const aiApiKey = draft.apiKey;
+  const aiHasApiKey = draft.hasApiKey;
+  const aiConfiguredProvider = aiHasApiKey ? aiProvider : null;
+  const updateDraft = (update: Partial<AiSettingDraft>) => setDrafts(current => ({ ...current, [aiProvider]: { ...current[aiProvider], ...update } }));
+  const setAiEnabled = (enabled: boolean) => updateDraft({ enabled });
+  const setAiModel = (model: string) => updateDraft({ model });
+  const setAiCustomModel = (customModel: boolean) => updateDraft({ customModel });
+  const setAiEndpointUrl = (endpointUrl: string) => updateDraft({ endpointUrl });
+  const setAiApiKey = (apiKey: string) => updateDraft({ apiKey });
+
+  const applySetting = (setting: CourseAiSetting) => {
+    setDrafts(current => ({ ...current, [setting.provider]: aiSettingDraft(setting.provider, setting) }));
+    setAiCopilotConfigured(setting.copilotConfigured === true);
+  };
+
+  useEffect(() => {
+    mounted.current = true;
+    return () => { mounted.current = false; };
+  }, []);
+
+  useEffect(() => {
+    let cancelled = false;
+    setAiSettingLoading(true);
+    setLoaded(false);
+    setError(null);
+    getCourseAiSetting(session.accessToken, selectedCourseId)
+      .then(setting => {
+        if (cancelled) return;
+        setDrafts(aiSettingDrafts(setting.settings ?? [setting]));
+        setAiProvider(setting.provider);
+        setAiCopilotConfigured(setting.copilotConfigured === true);
+        setLoaded(true);
+      })
+      .catch((reason: Error) => {
+        if (!cancelled) setError(reason.message);
+      })
+      .finally(() => {
+        if (!cancelled) setAiSettingLoading(false);
+      });
+    return () => { cancelled = true; };
+  }, [session.accessToken, selectedCourseId, loadAttempt]);
+
+  const handleSaveAiSetting = async () => {
+    if (!loaded || aiSettingLoading || saving) return;
+    if (aiProvider !== 'A_COPILOT' && (!aiModel.trim() || aiModel.trim().length > 120)) {
+      setError('모델 ID는 1~120자로 입력해주세요.');
+      return;
+    }
+    setSaving(true);
+    setError(null);
+    try {
+      const setting = await updateCourseAiSetting(session.accessToken, selectedCourseId, {
+        enabled: aiEnabled,
+        provider: aiProvider,
+        ...(aiProvider !== 'A_COPILOT' ? { model: aiModel.trim() } : {}),
+        ...(aiProvider === 'QWEN' ? { endpointUrl: aiEndpointUrl.trim() } : {}),
+        ...(aiProvider !== 'A_COPILOT' && aiApiKey.trim() ? { apiKey: aiApiKey.trim() } : {}),
+      });
+      if (!mounted.current) return;
+      applySetting(setting);
+      showToast({ title: 'AI 에이전트 설정이 저장되었습니다.', message: setting.enabled ? setting.provider === 'A_COPILOT' ? 'A-Copilot' : `${AI_PROVIDER_LABELS[setting.provider]} · ${setting.model}` : '사용 안 함' });
+    } catch (reason) {
+      if (mounted.current) setError(reason instanceof Error ? reason.message : 'AI 에이전트 설정을 저장하지 못했습니다.');
+    } finally {
+      if (mounted.current) setSaving(false);
+    }
+  };
+
+  return (
+    <form
+      className="border-y border-[#d1d9e6] bg-white"
+      onSubmit={event => { event.preventDefault(); void handleSaveAiSetting(); }}
+    >
+      <fieldset disabled={!loaded || aiSettingLoading || saving} className="min-w-0 px-5 py-5">
+        <legend className="sr-only">AI 에이전트</legend>
+        <div className="flex items-center justify-between gap-4 pb-5">
+          <h2 className="flex items-center gap-2 text-[15px] font-black text-[#111827]"><Bot size={17} className="text-[#2563eb]" aria-hidden="true" />AI 에이전트</h2>
+          <label className="inline-flex shrink-0 cursor-pointer items-center gap-2 text-[12px] font-black text-[#475569]">
+            <input type="checkbox" aria-label={`${AI_PROVIDER_LABELS[aiProvider]} 사용`} checked={aiEnabled} onChange={event => setAiEnabled(event.target.checked)} className="h-4 w-4 rounded border-[#cbd5e1] text-[#2563eb] focus:ring-[#2563eb]" />
+            {AI_PROVIDER_LABELS[aiProvider]} 사용
+          </label>
+        </div>
+        {aiSettingLoading ? (
+          <p role="status" className="flex items-center gap-2 border-t border-[#e2e8f0] py-8 text-[13px] font-semibold text-[#64748b]"><Loader2 size={16} className="animate-spin" aria-hidden="true" />불러오는 중</p>
+        ) : loaded ? (
+            <section className="border-t border-[#e2e8f0] pt-5">
+              <div>
+                <span className="text-[12px] font-black text-[#475569]">AI 공급자</span>
+                <div className="mt-2 grid grid-cols-2 gap-2 sm:grid-cols-5" role="radiogroup" aria-label="AI 공급자">
+                  {(Object.keys(AI_PROVIDER_LABELS) as CourseAiSetting['provider'][]).map((provider) => (
+                    <button
+                      key={provider}
+                      type="button"
+                      role="radio"
+                      aria-label={AI_PROVIDER_LABELS[provider]}
+                      aria-checked={aiProvider === provider}
+                      disabled={aiSettingLoading || saving}
+                      onClick={() => {
+                        if (provider === aiProvider) return;
+                        setAiProvider(provider);
+                        setError(null);
+                      }}
+                      className={`h-10 rounded-md border text-[13px] font-black transition disabled:cursor-not-allowed disabled:opacity-60 ${
+                        aiProvider === provider
+                          ? 'border-[#2563eb] bg-[#eff6ff] text-[#1d4ed8] shadow-[0_0_0_1px_rgba(37,99,235,0.12)]'
+                          : 'border-[#cbd5e1] bg-white text-[#475569] hover:border-[#94a3b8] hover:bg-[#f8fafc]'
+                      }`}
+                    >
+                      <span>{AI_PROVIDER_LABELS[provider]}</span>
+                      <span className="mt-0.5 flex items-center justify-center gap-1 text-[10px] font-semibold">
+                        <span className={`size-1.5 rounded-full ${drafts[provider].enabled ? 'bg-[#16a34a]' : 'bg-[#94a3b8]'}`} aria-hidden="true" />
+                        {drafts[provider].enabled ? '사용' : '미사용'}
+                      </span>
+                    </button>
+                  ))}
+                </div>
+              </div>
+              {aiProvider === 'A_COPILOT' ? (
+                <div className="mt-4 grid gap-4">
+                  <label className="block">
+                    <span className="text-[12px] font-black text-[#475569]">모델</span>
+                    <input type="text" aria-label="모델" readOnly value="A-Copilot" className="mt-1.5 h-10 w-full cursor-default rounded-md border border-[#d1d9e6] bg-[#f8fafc] px-3 text-[13px] font-bold text-[#64748b] outline-none" />
+                  </label>
+                  <label className="block">
+                    <span className="flex items-center gap-1.5 text-[12px] font-black text-[#475569]"><KeyRound size={13} aria-hidden="true" />API 키</span>
+                    <input type="text" aria-label="API 키" readOnly value={aiCopilotConfigured ? '서버에서 관리' : '서버 미설정'} className="mt-1.5 h-10 w-full cursor-default rounded-md border border-[#d1d9e6] bg-[#f8fafc] px-3 text-[13px] font-bold text-[#64748b] outline-none" />
+                  </label>
+                  {!aiCopilotConfigured ? <p role="alert" className="text-[12px] font-semibold text-[#be123c]">A-Copilot 서버 연결이 설정되어 있지 않습니다.</p> : null}
+                </div>
+              ) : (
+              <>
+              <label className="mt-4 block">
+                <span className="text-[12px] font-black text-[#475569]">모델</span>
+                <select
+                  aria-label="모델"
+                  value={aiCustomModel ? CUSTOM_AI_MODEL : aiModel}
+                  disabled={aiSettingLoading || saving}
+                  onChange={(event) => {
+                    const custom = event.target.value === CUSTOM_AI_MODEL;
+                    setAiCustomModel(custom);
+                    setAiModel(custom ? '' : event.target.value);
+                  }}
+                  className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 text-[13px] font-bold text-[#111827] outline-none focus:border-[#2563eb]"
+                >
+                  {AI_MODEL_OPTIONS[aiProvider].map((option) => (
+                    <option key={option.value} value={option.value}>{option.label}</option>
+                  ))}
+                  <option value={CUSTOM_AI_MODEL}>직접 입력</option>
+                </select>
+              </label>
+              {aiCustomModel ? (
+                <label className="mt-3 block">
+                  <span className="text-[12px] font-black text-[#475569]">모델 ID</span>
+                  <input
+                    type="text"
+                    value={aiModel}
+                    disabled={aiSettingLoading || saving}
+                    onChange={(event) => setAiModel(event.target.value)}
+                    maxLength={120}
+                    autoComplete="off"
+                    spellCheck={false}
+                    placeholder={AI_MODEL_OPTIONS[aiProvider][0].value}
+                    className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 font-mono text-[12px] font-bold text-[#111827] outline-none focus:border-[#2563eb] disabled:opacity-60"
+                  />
+                </label>
+              ) : null}
+              {aiProvider === 'QWEN' ? (
+                <label className="mt-4 block">
+                  <span className="text-[12px] font-black text-[#475569]">엔드포인트 주소</span>
+                  <input
+                    type="url"
+                    value={aiEndpointUrl}
+                    onChange={(event) => setAiEndpointUrl(event.target.value)}
+                    placeholder={DEFAULT_QWEN_ENDPOINT}
+                    className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 font-mono text-[12px] font-bold text-[#111827] outline-none focus:border-[#2563eb]"
+                  />
+                  <span className="mt-1.5 block text-[11px] font-semibold text-[#64748b]">OpenAI 호환 API의 기본 주소를 입력하세요. HTTPS 주소만 사용할 수 있습니다.</span>
+                </label>
+              ) : null}
+              <label className="mt-4 block">
+                <span className="flex items-center gap-1.5 text-[12px] font-black text-[#475569]"><KeyRound size={13} aria-hidden="true" />API 키</span>
+                <input
+                  type="password"
+                  autoComplete="new-password"
+                  value={aiApiKey}
+                  onChange={(event) => setAiApiKey(event.target.value)}
+                  placeholder={aiHasApiKey && aiConfiguredProvider === aiProvider ? '설정됨 · 변경할 때만 새 키 입력' : 'API 키 입력'}
+                  className="mt-1.5 h-10 w-full rounded-md border border-[#d1d9e6] bg-white px-3 text-[13px] font-bold text-[#111827] outline-none focus:border-[#2563eb]"
+                />
+                <span className="mt-1.5 block text-[11px] font-semibold text-[#64748b]">키는 서버에서 암호화되어 저장되며 학생 앱으로 전달되지 않습니다.</span>
+              </label>
+              </>
+              )}
+            </section>
+        ) : null}
+      </fieldset>
+      {error ? (
+        <div role="alert" className="mx-5 mb-5 flex flex-wrap items-center justify-between gap-3 rounded-md border border-[#fecdd3] bg-[#fff1f2] px-4 py-3 text-[13px] font-semibold text-[#be123c]">
+          <span className="min-w-0 break-words">{error}</span>
+          {!loaded ? <button type="button" onClick={() => setLoadAttempt(attempt => attempt + 1)} className="inline-flex h-8 shrink-0 cursor-pointer items-center gap-1.5 rounded-md border border-[#fda4af] px-3"><RefreshCw size={14} aria-hidden="true" />다시 시도</button> : null}
+        </div>
+      ) : null}
+      <div className="flex justify-end border-t border-[#e2e8f0] px-5 py-4">
+        <button type="submit" disabled={!loaded || aiSettingLoading || saving || (aiProvider === 'A_COPILOT' ? aiEnabled && !aiCopilotConfigured : !aiModel.trim() || aiModel.trim().length > 120)} className="inline-flex h-10 cursor-pointer items-center justify-center gap-2 rounded-md bg-[#2563eb] px-4 text-[13px] font-bold text-white hover:bg-[#1d4ed8] disabled:cursor-not-allowed disabled:opacity-60">
+          {saving ? <Loader2 size={15} className="animate-spin" aria-hidden="true" /> : <Save size={15} aria-hidden="true" />}
+          {AI_PROVIDER_LABELS[aiProvider]} 설정 저장
+        </button>
+      </div>
+    </form>
+  );
 }

src/routes.ts

@@ -1,4 +1,4 @@
-import { Activity, BarChart3, BookOpen, Car, ClipboardList, GitPullRequest, Settings, Users, type LucideIcon } from 'lucide-react';
+import { Activity, BookOpen, Car, ClipboardList, GitPullRequest, Settings, Users, type LucideIcon } from 'lucide-react';
 
 export type AppRoute = 'dashboard' | 'curriculum' | 'groups' | 'platforms' | 'students' | 'submissions' | 'analytics' | 'settings' | 'profile';
 
@@ -30,7 +30,6 @@ export const navItems: NavItem[] = [
   { id: 'platforms', label: '플랫폼 관리', icon: Car },
   { id: 'students', label: '수강생 현황', icon: BookOpen },
   { id: 'submissions', label: '제출 현황', icon: GitPullRequest },
-  { id: 'analytics', label: '통계 분석', icon: BarChart3 },
   { id: 'settings', label: '설정', icon: Settings }
 ];
 
@@ -44,7 +43,7 @@ export const navItems: NavItem[] = [
 //   settings: ['권한 정책', '알림 설정', '서비스 연결']
 // };
 
-const appRoutes: AppRoute[] = [...navItems.map((item) => item.id), 'profile'];
+const appRoutes = Object.keys(routePaths) as AppRoute[];
 const publicBasePath = import.meta.env.BASE_URL.replace(/\/+$/, '');
 
 const stripPublicBasePath = (pathname: string): string => {