feat: add web restart button

web/api.py

@@ -154,6 +154,22 @@ async def api_logs(limit: int = Query(default=100, ge=1, le=300)):
     return JSONResponse(_log_buffer[-limit:])
 
 
+@app.post("/api/restart")
+async def api_restart():
+    """重启服务：返回响应后退出当前进程，由 Docker restart 策略拉起。"""
+    import os
+    import signal
+
+    logging.getLogger("spam_guard").warning("🔄 Web 管理端请求重启服务")
+
+    async def delayed_exit():
+        await asyncio.sleep(1)
+        os.kill(os.getpid(), signal.SIGTERM)
+
+    asyncio.create_task(delayed_exit())
+    return JSONResponse({"ok": True, "message": "服务正在重启"})
+
+
 @app.post("/api/send")
 async def api_send(request: Request):
     import config

web/static/index.html

@@ -184,6 +184,7 @@
     <div class="status">
       <span class="sse-dot" :class="sseConnected ? 'on' : 'off'"></span>
       {{ sseConnected ? '实时连接' : '连接中...' }}
+      <el-button size="mini" type="warning" plain :loading="restarting" @click="restartService">重启</el-button>
     </div>
   </div>
 
@@ -294,6 +295,7 @@ new Vue({
       logs: [],
       newMessage: '',
       sending: false,
+      restarting: false,
       stats: { today_bans: 0, total_bans: 0, active_bans: 0 },
     }
   },
@@ -375,6 +377,28 @@ new Vue({
     async loadStats() {
       try { this.stats = await (await fetch('/api/stats')).json() } catch (e) {}
     },
+    async restartService() {
+      this.$confirm('确认重启 TG Spam Guard 服务？重启期间 Web 和 Bot 会短暂不可用。', '重启服务', {
+        confirmButtonText: '确认重启',
+        cancelButtonText: '取消',
+        type: 'warning'
+      }).then(async () => {
+        this.restarting = true
+        try {
+          const data = await (await fetch('/api/restart', { method: 'POST' })).json()
+          if (data.ok) {
+            this.$message.success('✅ 服务正在重启，请稍等刷新')
+            setTimeout(() => location.reload(), 8000)
+          } else {
+            this.$message.error(`❌ 重启失败: ${data.error || '未知错误'}`)
+            this.restarting = false
+          }
+        } catch (e) {
+          this.$message.warning('服务可能已开始重启，请稍等刷新')
+          setTimeout(() => location.reload(), 8000)
+        }
+      }).catch(() => {})
+    },
     async loadLogs() {
       try {
         this.logs = await (await fetch('/api/logs')).json()