feat(goal): TG /goal 指令进入目标模式

- 复用宿主命令运行时（commands.execute，与 Web 端 /goal 同通道），不依赖
  GUI 连接：command-goal 在宿主侧操作 session-log 支撑的 goals 域
- 语法与 Web 完全一致：/goal <目标>、/goal（查看）、clear/edit/pause/resume
- 目标状态变更（blocked/complete）实时推送 TG 通知，手机可感知目标模式进展
- 配置侧启用 command-goal（plugin_toggle，已 live 生效）

lib/bridge.js

@@ -194,6 +194,7 @@ export class TelegramBridge {
             { command: 'model', description: '切换当前绑定会话的模型' },
             { command: 'status', description: '会话状态：模型/上下文/统计（首token/速率/tokens）' },
             { command: 'compact', description: '压缩当前会话历史（缩短上下文，空闲时执行）' },
+            { command: 'goal', description: '目标模式：/goal <目标>（clear/edit/pause/resume 管理）' },
             { command: 'rich', description: '渲染：on 富文本 / off HTML 兼容（本聊天，需新版客户端）' },
             { command: 'unbind', description: '断开手机绑定（不关闭本机会话）' },
             { command: 'stop', description: '中止当前正在运行的任务' },
@@ -309,6 +310,9 @@ export class TelegramBridge {
             case 'compact':
                 await this.requestCompact(chatId);
                 return;
+            case 'goal':
+                await this.requestGoal(chatId, parsed.arg);
+                return;
             case 'rich':
                 await this.handleRichCommand(chatId, parsed.arg);
                 return;
@@ -895,6 +899,41 @@ export class TelegramBridge {
             this.ctx.logger.error(`dsh-telegram-channel: /compact runner crashed: ${this.redact(err)}`);
         });
     }
+    /**
+     * TG /goal —— 走宿主命令运行时（commands.execute），与 Web 端 /goal 完全同一条
+     * 通道：command-goal 在宿主侧操作 session-log 支撑的 goals 域，不依赖 GUI 连接。
+     */
+    async requestGoal(chatId, arg) {
+        const binding = this.bindings.get(String(chatId));
+        if (!binding) {
+            await this.client.sendMessage(chatId, MSG.NEED_BIND);
+            return;
+        }
+        const agent = await this.ensureLiveAgent(binding.sessionId);
+        if (!agent) {
+            this.bindings.delete(String(chatId));
+            await this.client.sendMessage(chatId, MSG.GONE);
+            return;
+        }
+        const commands = this.serviceOf('commands');
+        if (!commands?.execute || typeof commands.find !== 'function' || !commands.find(agent, 'goal')) {
+            await this.client.sendMessage(chatId, '当前环境不支持 /goal（command-goal 未装配）');
+            return;
+        }
+        const line = `/goal${arg ? ` ${arg}` : ''}`;
+        try {
+            const execution = await commands.execute(agent, line, [], new AbortController().signal);
+            if (execution === undefined) {
+                await this.client.sendMessage(chatId, '/goal 未执行：命令在运行时已注销');
+                return;
+            }
+            const text = execution.result?.text ?? (execution.result?.kind === 'success' ? '完成' : '失败');
+            await this.client.sendMessage(chatId, text.slice(0, 3500));
+        }
+        catch (err) {
+            await this.client.sendMessage(chatId, `/goal 执行失败：${this.redact(err).slice(0, 200)}`);
+        }
+    }
     /** 等待压缩落定并汇报结果（不阻塞轮询循环）。 */
     async runCompaction(chatId, sessionId, operation, controller) {
         try {
@@ -1204,6 +1243,23 @@ export class TelegramBridge {
             }
             return;
         }
+        // 'goal/changed' 不在本插件的 SessionEvent 类型联合内，宽松断言读取。
+        const eventType = event.type;
+        if (eventType === 'goal/changed') {
+            // Goal mode lives on the phone too: surface phase transitions (blocked/complete
+            // especially) without waiting for the next assistant text.
+            const data = event.data;
+            const phase = data?.phase;
+            if (phase === 'blocked' || phase === 'complete') {
+                const reason = data?.blockedReason;
+                const label = phase === 'blocked'
+                    ? `目标被阻塞${reason ? `：${reason.code ?? ''} ${reason.message ?? ''}`.slice(0, 120) : ''}`
+                    : '目标已达成 ✓';
+                for (const b of targets)
+                    this.enqueueNotice(b.chatId, `> ${label}`);
+            }
+            return;
+        }
         if (event.type === 'todo/write') {
             const todos = Array.isArray(event.data?.todos) ? event.data.todos : [];
             this.lastTodos.set(id, todos);