feat: add database-backed console login

internal/transport/httpserver/console/index.html

@@ -40,7 +40,7 @@
         <div class="topbar-actions">
           <span class="live-chip"><i></i><span id="live-label">本地环境</span></span>
           <span class="last-updated" id="last-updated">尚未刷新</span>
-          <button class="icon-button" id="connection-settings-button" title="连接设置" aria-label="连接设置">⚙</button>
+          <button class="icon-button" id="logout-button" title="退出登录" aria-label="退出登录">↪</button>
           <button class="icon-button" id="refresh-button" title="刷新数据" aria-label="刷新数据">↻</button>
         </div>
       </header>
@@ -53,7 +53,7 @@
             <p>任务、定时、流程和交付状态，在一块屏幕上保持有序运转。</p>
             <div class="hero-actions">
               <button class="primary-button" data-view="tasks">查看任务 <span>↗</span></button>
-              <button class="quiet-button" id="connect-hero">连接设置</button>
+              <button class="quiet-button" id="logout-hero">退出登录</button>
             </div>
           </div>
           <div class="hero-visual" aria-hidden="true">
@@ -68,7 +68,7 @@
 
         <section class="metric-grid" aria-label="运行概览">
           <article class="metric-card metric-highlight"><div class="metric-top"><span>服务状态</span><span class="metric-icon green">✦</span></div><strong id="metric-health">—</strong><small id="metric-health-sub">等待就绪检查</small><div class="sparkline green-line"><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></div></article>
-          <article class="metric-card"><div class="metric-top"><span>任务总览</span><span class="metric-icon purple">◇</span></div><strong id="metric-tasks">—</strong><small id="metric-tasks-sub">连接凭据后加载</small><div class="mini-bar"><i id="task-bar-succeeded"></i><i id="task-bar-running"></i><i id="task-bar-waiting"></i><i id="task-bar-other"></i></div></article>
+          <article class="metric-card"><div class="metric-top"><span>任务总览</span><span class="metric-icon purple">◇</span></div><strong id="metric-tasks">—</strong><small id="metric-tasks-sub">当前会话加载</small><div class="mini-bar"><i id="task-bar-succeeded"></i><i id="task-bar-running"></i><i id="task-bar-waiting"></i><i id="task-bar-other"></i></div></article>
           <article class="metric-card"><div class="metric-top"><span>流程实例</span><span class="metric-icon blue">⌘</span></div><strong id="metric-workflows">—</strong><small id="metric-workflows-sub">等待工作流权限</small><div class="sparkline blue-line"><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></div></article>
           <article class="metric-card"><div class="metric-top"><span>结果订阅</span><span class="metric-icon orange">⌁</span></div><strong id="metric-subscriptions">—</strong><small id="metric-subscriptions-sub">等待事件权限</small><div class="subscription-meter"><span id="subscription-meter-fill"></span></div></article>
         </section>
@@ -93,11 +93,11 @@
             </div>
           </article>
           <article class="panel connection-summary-panel">
-            <div class="panel-heading"><div><span class="panel-kicker">CONTROL PLANE</span><h2>连接状态</h2></div><span class="connection-state" id="connection-state">未连接</span></div>
+            <div class="panel-heading"><div><span class="panel-kicker">CONTROL PLANE</span><h2>登录状态</h2></div><span class="connection-state" id="connection-state">未连接</span></div>
             <div class="connection-summary-copy"><span class="connection-summary-icon">↗</span><div><b id="summary-api">当前页面</b><small id="summary-api-hint">API 地址自动跟随当前页面</small></div></div>
-            <div class="connection-summary-grid"><div><span>队列范围</span><b id="summary-queue">自动配置</b></div><div><span>凭据状态</span><b id="summary-credential">未载入</b></div></div>
+            <div class="connection-summary-grid"><div><span>队列范围</span><b id="summary-queue">自动配置</b></div><div><span>登录会话</span><b id="summary-credential">未登录</b></div></div>
             <p class="connection-summary-note" id="summary-note">服务状态会自动检查；需要业务数据时再加载凭据。</p>
-            <button class="quiet-button" id="connection-settings-inline" type="button">管理连接设置 <span>→</span></button>
+            <button class="quiet-button" id="logout-inline" type="button">退出当前账号 <span>→</span></button>
           </article>
         </section>
       </div>
@@ -106,7 +106,7 @@
         <section class="content-grid single-column">
           <article class="panel wide-panel" id="tasks">
             <div class="panel-heading"><div><span class="panel-kicker">PULSE / TASKS</span><h2>任务执行流</h2></div><div class="panel-tools"><span class="table-count" id="task-count">0 项</span><button class="text-button" data-view="overview">返回总览 <span>←</span></button></div></div>
-            <div class="table-wrap"><table><thead><tr><th>任务</th><th>处理器</th><th>状态</th><th>修订</th><th>创建时间</th></tr></thead><tbody id="task-table"><tr><td colspan="5" class="empty-row"><span class="empty-icon">◇</span><b>还没有任务数据</b><small>连接一个具备 tasks:read 权限的凭据后自动加载</small></td></tr></tbody></table></div>
+            <div class="table-wrap"><table><thead><tr><th>任务</th><th>处理器</th><th>状态</th><th>修订</th><th>创建时间</th></tr></thead><tbody id="task-table"><tr><td colspan="5" class="empty-row"><span class="empty-icon">◇</span><b>还没有任务数据</b><small>登录后按账号权限自动加载</small></td></tr></tbody></table></div>
           </article>
         </section>
       </div>
@@ -132,20 +132,6 @@
       <footer class="page-footer"><span><span class="footer-orbit">◉</span> Orbit Console · 星轨控制台</span><span>数据每 10 秒刷新 · <a href="/version" target="_blank" rel="noreferrer">查看服务版本</a></span></footer>
     </main>
   </div>
-  <div class="drawer-backdrop" id="connection-settings-backdrop" hidden>
-    <aside class="task-drawer connection-drawer" role="dialog" aria-modal="true" aria-labelledby="connection-settings-title">
-      <div class="drawer-header">
-        <div><span class="panel-kicker">CONTROL PLANE / SETTINGS</span><h2 id="connection-settings-title">连接设置</h2><small class="drawer-id">凭据只在当前浏览器会话中使用</small></div>
-        <button class="icon-button" id="close-connection-settings" type="button" aria-label="关闭连接设置">×</button>
-      </div>
-      <p class="drawer-note connection-settings-intro">API 地址默认使用当前页面；队列优先读取服务端配置或凭据 JSON。这里不会读取数据库，也不会上传凭据。</p>
-      <label class="field-label" for="api-url">API 地址 <small>自动使用当前页面</small></label><div class="input-wrap"><span class="input-prefix">↗</span><input id="api-url" type="url" value="" placeholder="http://127.0.0.1:8080"></div>
-      <label class="field-label" for="queue-id">队列范围 <small>自动读取</small></label><div class="input-wrap"><span class="input-prefix">#</span><input id="queue-id" type="text" autocomplete="off" placeholder="凭据 JSON 或服务端配置会自动填充"></div><div class="field-hint" id="queue-hint">选择凭据 JSON 后自动填充；也可由服务端配置默认队列。</div>
-      <label class="field-label" for="token">Bearer Token</label><div class="input-wrap"><span class="input-prefix">●</span><input id="token" type="password" placeholder="粘贴开发凭据 token"><button class="reveal-button" id="reveal-token" type="button">显示</button></div>
-      <div class="connect-row"><label class="file-button"><input id="credential-file" type="file" accept="application/json">选择凭据 JSON</label><button class="primary-button compact" id="connect-button" type="button">连接 <span>→</span></button></div>
-      <div class="security-note"><span>▣</span><span>当前页面只调用公开 API 和授权接口，不读取数据库。</span></div>
-    </aside>
-  </div>
   <div class="drawer-backdrop" id="task-drawer-backdrop" hidden>
     <aside class="task-drawer" role="dialog" aria-modal="true" aria-labelledby="detail-title">
       <div class="drawer-header">