feat: market login/logout/upload flow with UI state management

static/js/pages/dashboard.js

@@ -162,6 +162,9 @@ const PageDashboard = {
         });
 
         document.getElementById('btn-market-upload')?.addEventListener('click', () => this._showMarketUpload());
+        document.getElementById('btn-market-login')?.addEventListener('click', () => this._showMarketLogin());
+
+        this._updateMarketUI();
     },
 
     async _installFromMarket(id, filename) {
@@ -199,15 +202,29 @@ const PageDashboard = {
         const overlay = document.createElement('div');
         overlay.className = 'modal-overlay';
         overlay.innerHTML = `<div class="modal" style="min-width:360px;max-width:400px">
-            <h3>市场登录</h3>
+            <h3>市场</h3>
             <div class="form-group"><label>邮箱</label><input id="ml-email" type="email"></div>
             <div class="form-group"><label>密码</label><input id="ml-pass" type="password"></div>
             <div class="modal-actions">
+                <button class="btn btn-secondary btn-sm" id="ml-logout" style="display:none;margin-right:auto">退出</button>
                 <button class="btn btn-secondary btn-sm" id="ml-register">注册</button>
                 <button class="btn btn-primary btn-sm" id="ml-login">登录</button>
             </div></div>`;
         document.body.appendChild(overlay);
 
+        if (this._marketToken) {
+            overlay.querySelector('#ml-login').style.display = 'none';
+            overlay.querySelector('#ml-register').style.display = 'none';
+            overlay.querySelector('#ml-logout').style.display = '';
+            overlay.querySelector('#ml-logout').addEventListener('click', () => {
+                this._marketToken = null;
+                localStorage.removeItem('turbosu-market-token');
+                overlay.remove();
+                this._updateMarketUI();
+                Toast.show('已退出', 'info');
+            });
+        }
+
         overlay.addEventListener('click', (e) => { if (e.target === overlay) overlay.remove(); });
         overlay.querySelector('#ml-login').addEventListener('click', async () => {
             const email = document.getElementById('ml-email').value;
@@ -219,6 +236,7 @@ const PageDashboard = {
                 localStorage.setItem('turbosu-market-token', data.token);
                 Toast.show('登录成功', 'success');
                 overlay.remove();
+                this._updateMarketUI();
             } else { Toast.show(data.message || '登录失败', 'error'); }
         });
         overlay.querySelector('#ml-register').addEventListener('click', async () => {
@@ -230,6 +248,21 @@ const PageDashboard = {
         });
     },
 
+    _updateMarketUI() {
+        const loginBtn = document.getElementById('btn-market-login');
+        const uploadBtn = document.getElementById('btn-market-upload');
+        if (!loginBtn || !uploadBtn) return;
+        if (this._marketToken) {
+            loginBtn.textContent = '已登录';
+            loginBtn.className = 'btn btn-sm btn-secondary';
+            uploadBtn.style.display = '';
+        } else {
+            loginBtn.textContent = '登录';
+            loginBtn.className = 'btn btn-sm btn-primary';
+            uploadBtn.style.display = 'none';
+        }
+    },
+
     _openDashboard(themeId) {
         const gameParam = this._selectedGameId ? `?game=${this._selectedGameId}` : '';
         const url = `${location.origin}/dashboard/${themeId}${gameParam}`;
@@ -279,6 +312,7 @@ const PageDashboard = {
             <div class="dashboard-sub-sidebar">
                 <div id="dash-category-list"></div>
                 <div style="padding:8px 12px;margin-top:auto;display:flex;flex-direction:column;gap:4px">
+                    <button id="btn-market-login" class="btn btn-sm btn-primary" style="width:100%">登录</button>
                     <button id="btn-market-upload" class="btn btn-sm btn-secondary" style="width:100%;display:none">发布到市场</button>
                     <button id="btn-import-dashboard" class="btn btn-sm btn-secondary" style="width:100%;">导入 .tsd</button>
                 </div>