启动器：移除服务端工具/支援兵/插件页面，支援兵模板独立保存

- 删除服务端工具、支援兵、插件三个页面（侧边栏入口 + HTML section）
- server.py: 删除 servertool(9个)、companion/basic-attack 相关接口及常量
- native.py: 删除无人引用的 get_server_features/save_server_features/
  companion_state/companion_save（保留 GM 工具依赖的 gameplay 方法）
- shell.js: 删除 loadServerTool/loadCompanion 全部逻辑及状态变量
- shell.css: 清理 st-/cp- 相关样式
- templates/支援兵页面模板.md: 支援兵页面完整导出为独立模板
- 侧边栏「更新日志」更名为「游戏更新」

launcher/index.html

@@ -28,12 +28,9 @@
       <button class="shell-nav-item active" data-shell-page="start"><span class="nav-ico">▶</span>开始</button>
       <button class="shell-nav-item" data-shell-page="gm"><span class="nav-ico">⚙</span>GM工具</button>
       <button class="shell-nav-item" data-shell-page="loadout"><span class="nav-ico">🔄</span>一键换装</button>
-      <button class="shell-nav-item" data-shell-page="servertool"><span class="nav-ico">🧰</span>服务端工具</button>
-      <button class="shell-nav-item" data-shell-page="companion"><span class="nav-ico">👥</span>支援兵</button>
-      <button class="shell-nav-item" data-shell-page="plugins"><span class="nav-ico">🧩</span>插件</button>
       <div class="shell-nav-gap"></div>
       <button class="shell-nav-item" data-shell-page="settings"><span class="nav-ico">⚙</span>设置</button>
-      <button class="shell-nav-item" data-shell-page="changelog"><span class="nav-ico">📜</span>更新日志</button>
+      <button class="shell-nav-item" data-shell-page="changelog"><span class="nav-ico">📜</span>游戏更新</button>
     </nav>
     <div class="shell-win-controls">
       <button class="tb-btn" id="shellWinMin" title="最小化">—</button>
@@ -111,82 +108,6 @@
       </div>
     </section>
 
-    <section class="shell-page" id="page-servertool">
-      <div class="page-pad">
-        <div class="page-heading"><div><h2>服务端工具</h2><p class="muted">按原 ServerTool 页签组织，配置写入 server-features.json / activity.json。</p></div><span class="tag" id="stSource">文件配置</span></div>
-        <div class="st-tabs" id="stTabs">
-          <button class="st-tab active" data-st="global">全局游戏参数</button>
-          <button class="st-tab" data-st="activity">在线活动</button>
-          <button class="st-tab" data-st="gameplay">游戏参数</button>
-          <button class="st-tab" data-st="growth">疲劳/成长</button>
-          <button class="st-tab" data-st="raid">团本配置</button>
-          <button class="st-tab" data-st="launch">启动控制</button>
-        </div>
-        <div class="st-subtabs" id="stSubTabs"></div>
-        <div class="st-toolbar"><button class="shell-btn primary" id="stSave">保存当前页</button><button class="shell-btn" id="stReload">重新读取</button><span id="stStatus" class="muted"></span></div>
-        <div class="st-body" id="stBody"></div>
-      </div>
-    </section>
-
-    <section class="shell-page" id="page-companion">
-      <div class="page-pad">
-        <div class="page-heading"><div><h2>支援兵</h2><p class="muted">按账号配置支援兵；配置只影响下一次进入副本。</p></div><button class="shell-btn primary" id="cpSave">保存配置</button></div>
-        <div class="cp-toolbar">
-          <label>账号<select id="cpAccount" class="shell-input"></select></label>
-          <label>出战角色<select id="cpOwner" class="shell-input"></select></label>
-          <button class="shell-btn" id="cpReload">刷新</button>
-          <span id="cpStatus" class="muted"></span>
-        </div>
-        <div class="cp-flags">
-          <label class="st-check"><input type="checkbox" id="cpEnabled">启用支援兵</label>
-          <label class="st-check"><input type="checkbox" id="cpBalance">读取佩戴装备</label>
-          <label class="st-check"><input type="checkbox" id="cpProgression">启用成长推进</label>
-          <label class="st-check"><input type="checkbox" id="cpRandom">随机武器装备</label>
-          <label class="st-check"><input type="checkbox" id="cpBasicAttack">允许支援兵普攻</label>
-        </div>
-        <h3 class="cp-title">选择支援兵角色</h3>
-        <div class="cp-grid" id="cpGrid"><div class="empty-box">选择出战角色后加载支援兵列表</div></div>
-        <div class="cp-ai">
-          <div class="cp-ai-head"><h3>AI 策略</h3><select id="cpAISource" class="shell-input"></select></div>
-          <div class="st-form">
-            <label>行为模式<select id="cpAIBehavior"><option value="assist">辅助</option><option value="aggressive">好战</option></select></label>
-            <label>BUFF 优先级<select id="cpAIBuff"><option value="leader_first">优先队长</option><option value="assist_only">仅辅助</option><option value="off">关闭</option></select></label>
-            <label>职业连招<select id="cpAIComboPreset"><option value="auto">按职业自动</option><option value="sword_guard">鬼剑士：控制连招</option><option value="fighter_chain">格斗家：近身连招</option><option value="gunner_burst">神枪手：远程爆发</option><option value="mage_control">魔法师：范围控制</option><option value="priest_support">圣职者：辅助连招</option></select></label>
-            <label>范围技能最少目标<input id="cpAIAoe" type="number" min="2" max="6" step="1"></label>
-            <label class="st-check"><input type="checkbox" id="cpAIComboEnabled">启用连招</label>
-            <label class="st-check"><input type="checkbox" id="cpAIProtect">保护队长</label>
-          </div>
-          <details class="st-json">
-            <summary>高级调参：距离、追击、视野、重试和治疗阈值</summary>
-            <div class="st-form" id="cpAITuning">
-              <label>思考间隔(ms)<input data-cp-tuning="think_interval_ms" type="number" min="50" max="2000"></label>
-              <label>辅助攻击间隔(ms)<input data-cp-tuning="assist_attack_interval_ms" type="number" min="200" max="10000"></label>
-              <label>辅助横向范围<input data-cp-tuning="assist_leash_x" type="number" min="30" max="500"></label>
-              <label>辅助纵向范围<input data-cp-tuning="assist_leash_y" type="number" min="20" max="300"></label>
-              <label>追击范围<input data-cp-tuning="chase_range" type="number" min="20" max="1000"></label>
-              <label>视野范围<input data-cp-tuning="vision_range" type="number" min="100" max="20000"></label>
-              <label>目标黏性(ms)<input data-cp-tuning="target_stickiness_ms" type="number" min="0" max="10000"></label>
-              <label>队长治疗阈值(%)<input data-cp-tuning="heal_leader_percent" type="number" min="0" max="100"></label>
-              <label>自身治疗阈值(%)<input data-cp-tuning="heal_self_percent" type="number" min="0" max="100"></label>
-              <label>重试间隔(ms)<input data-cp-tuning="retry_ms" type="number" min="50" max="5000"></label>
-              <label>辅助重试(ms)<input data-cp-tuning="support_retry_ms" type="number" min="100" max="10000"></label>
-              <label>忙碌移动(ms)<input data-cp-tuning="busy_move_ms" type="number" min="100" max="10000"></label>
-              <label>卡住判定(ms)<input data-cp-tuning="stuck_ms" type="number" min="100" max="5000"></label>
-              <label>绕行等待(ms)<input data-cp-tuning="detour_ms" type="number" min="100" max="5000"></label>
-              <label>放弃目标(ms)<input data-cp-tuning="give_up_ms" type="number" min="500" max="20000"></label>
-              <label>跟随距离<input data-cp-tuning="follow_distance" type="number" min="20" max="300"></label>
-            </div>
-          </details>
-          <div class="st-note">AI 策略按角色保存；保存后下一次进入副本生效。</div>
-        </div>
-        <div class="st-note" id="cpHint">支援兵按账号隔离，只能选择同一账号下的其他角色。</div>
-      </div>
-    </section>
-
-    <section class="shell-page" id="page-plugins">
-      <div class="page-pad"><h2>插件</h2><div class="empty-box">插件目录：启动器扩展位，后续接入 LoadoutTool / ServerTool 之外的模块。</div></div>
-    </section>
-
     <section class="shell-page" id="page-settings">
       <div class="page-pad">
         <div class="page-heading"><div><h2>设置</h2><p class="muted">当前启动器实际绑定的服务端、数据库和游戏端。</p></div><button class="shell-btn" id="setRefresh">刷新</button></div>
@@ -202,7 +123,7 @@
     </section>
 
     <section class="shell-page" id="page-changelog">
-      <div class="page-pad"><h2>更新日志</h2><p class="muted">从自托管仓库（Lingbao/90CNServer）的发布记录自动获取。</p><div id="changelogBody"></div></div>
+      <div class="page-pad"><h2>游戏更新</h2><p class="muted">从自托管仓库（Lingbao/90CNServer）的发布记录自动获取。</p><div id="changelogBody"></div></div>
     </section>
 
     <section class="shell-page" id="page-gm">