gateway: remove duplicate health monitor toggle

src/config/schema.help.ts

@@ -102,8 +102,6 @@ export const FIELD_HELP: Record<string, string> = {
     "Explicit gateway-level tool denylist to block risky tools even if lower-level policies allow them. Use deny rules for emergency response and defense-in-depth hardening.",
   "gateway.channelHealthCheckMinutes":
     "Interval in minutes for automatic channel health probing and status updates. Use lower intervals for faster detection, or higher intervals to reduce periodic probe noise.",
-  "gateway.channelHealthMonitorEnabled":
-    "Global enable switch for the gateway channel health monitor. Set false to disable all health-monitor-initiated channel restarts; per-channel healthMonitor.enabled overrides can further disable individual channels or accounts when the global monitor stays on.",
   "gateway.channelStaleEventThresholdMinutes":
     "How many minutes a connected channel can go without receiving any event before the health monitor treats it as a stale socket and triggers a restart. Default: 30.",
   "gateway.channelMaxRestartsPerHour":

src/config/schema.labels.ts

@@ -83,7 +83,6 @@ export const FIELD_LABELS: Record<string, string> = {
   "gateway.tools": "Gateway Tool Exposure Policy",
   "gateway.tools.allow": "Gateway Tool Allowlist",
   "gateway.tools.deny": "Gateway Tool Denylist",
-  "gateway.channelHealthMonitorEnabled": "Gateway Channel Health Monitor Enabled",
   "gateway.channelHealthCheckMinutes": "Gateway Channel Health Check Interval (min)",
   "gateway.channelStaleEventThresholdMinutes": "Gateway Channel Stale Event Threshold (min)",
   "gateway.channelMaxRestartsPerHour": "Gateway Channel Max Restarts Per Hour",

src/config/types.gateway.ts

@@ -425,12 +425,6 @@ export type GatewayConfig = {
   allowRealIpFallback?: boolean;
   /** Tool access restrictions for HTTP /tools/invoke endpoint. */
   tools?: GatewayToolsConfig;
-  /**
-   * Global enable switch for the channel health monitor.
-   * Set to false to disable health-monitor-driven channel restarts entirely.
-   * Default: true.
-   */
-  channelHealthMonitorEnabled?: boolean;
   /**
    * Channel health monitor interval in minutes.
    * Periodically checks channel health and restarts unhealthy channels.

src/config/zod-schema.ts

@@ -695,7 +695,6 @@ export const OpenClawSchema = z
           })
           .strict()
           .optional(),
-        channelHealthMonitorEnabled: z.boolean().optional(),
         channelHealthCheckMinutes: z.number().int().min(0).optional(),
         channelStaleEventThresholdMinutes: z.number().int().min(1).optional(),
         channelMaxRestartsPerHour: z.number().int().min(1).optional(),

src/gateway/config-reload-plan.ts

@@ -36,11 +36,6 @@ type ReloadAction =
 const BASE_RELOAD_RULES: ReloadRule[] = [
   { prefix: "gateway.remote", kind: "none" },
   { prefix: "gateway.reload", kind: "none" },
-  {
-    prefix: "gateway.channelHealthMonitorEnabled",
-    kind: "hot",
-    actions: ["restart-health-monitor"],
-  },
   {
     prefix: "gateway.channelHealthCheckMinutes",
     kind: "hot",

src/gateway/server-channels.ts

@@ -132,10 +132,6 @@ export function createChannelManager(opts: ChannelManagerOptions): ChannelManage
 
   const isHealthMonitorEnabled = (channelId: ChannelId, accountId: string): boolean => {
     const cfg = loadConfig();
-    if (cfg.gateway?.channelHealthMonitorEnabled === false) {
-      return false;
-    }
-
     const channelConfig = cfg.channels?.[channelId] as RawChannelConfig | undefined;
     const accountOverride = channelConfig?.accounts?.[accountId]?.healthMonitor?.enabled;
     if (typeof accountOverride === "boolean") {

src/gateway/server-reload-handlers.ts

@@ -104,11 +104,10 @@ export function createGatewayReloadHandlers(params: {
 
     if (plan.restartHealthMonitor) {
       state.channelHealthMonitor?.stop();
-      const enabled = nextConfig.gateway?.channelHealthMonitorEnabled !== false;
       const minutes = nextConfig.gateway?.channelHealthCheckMinutes;
       const staleMinutes = nextConfig.gateway?.channelStaleEventThresholdMinutes;
       nextState.channelHealthMonitor =
-        !enabled || minutes === 0
+        minutes === 0
           ? null
           : params.createHealthMonitor({
               checkIntervalMs: (minutes ?? 5) * 60_000,

src/gateway/server.impl.ts

@@ -755,9 +755,8 @@ export async function startGatewayServer(
       }
     : startHeartbeatRunner({ cfg: cfgAtStart });
 
-  const healthMonitorEnabled = cfgAtStart.gateway?.channelHealthMonitorEnabled !== false;
   const healthCheckMinutes = cfgAtStart.gateway?.channelHealthCheckMinutes;
-  const healthCheckDisabled = !healthMonitorEnabled || healthCheckMinutes === 0;
+  const healthCheckDisabled = healthCheckMinutes === 0;
   const staleEventThresholdMinutes = cfgAtStart.gateway?.channelStaleEventThresholdMinutes;
   const maxRestartsPerHour = cfgAtStart.gateway?.channelMaxRestartsPerHour;
   let channelHealthMonitor = healthCheckDisabled