[build-tools] Recover failed device-session tunnels

.changeset/serve-sim-pr-4526.md

@@ -0,0 +1,5 @@
+---
+'@expo/build-tools': patch
+---
+
+Recover unhealthy device-session tunnels without changing their URLs and block further traffic when shutdown starts, even if ngrok cleanup times out.

packages/build-tools/src/steps/functions/startAgentDeviceRemoteSession.ts

@@ -167,6 +167,7 @@ export async function runAgentDeviceRemoteSessionAsync(
       subdomainPrefix: 'agent-device',
       baseDomain: ngrokTunnelDomain,
       authtoken: ngrokAuthtoken,
+      healthCheck: { path: '/health' },
       logger: taskLogger,
     });
     tasks.signal.throwIfAborted();

packages/build-tools/src/steps/functions/startAppiumRemoteSession.ts

@@ -274,6 +274,7 @@ export function createStartAppiumRemoteSessionBuildFunction(
           subdomainPrefix: 'appium',
           baseDomain: ngrokTunnelDomain,
           authtoken: ngrokAuthtoken,
+          healthCheck: { path: '/status' },
           logger,
         });
 

packages/build-tools/src/steps/functions/startArgentRemoteSession.ts

@@ -340,6 +340,7 @@ export function createStartArgentRemoteSessionBuildFunction(
           baseDomain: ngrokTunnelDomain,
           authtoken: ngrokAuthtoken,
           rewriteHostHeader: true,
+          healthCheck: { path: '/tools', statuses: [200, 401] },
           logger,
         });
         const publicToolsUrl = toolsTunnel.url;