fix(gateway): include build identity in status JSON (#123917)

* fix(gateway): preserve build id in status probes

* chore: leave release notes to release automation

src/cli/daemon-cli/status.gather.test.ts

@@ -23,14 +23,14 @@ const callGatewayStatusProbe = vi.fn<
     ok: boolean;
     url?: string;
     error?: string | null;
-    server?: { version?: string | null; connId?: string | null };
+    server?: { version?: string | null; buildId?: string | null; connId?: string | null };
     version?: string | null;
   }>
 >(async (_opts?: unknown) => ({
   ok: true,
   url: "ws://127.0.0.1:19001",
   error: null,
-  server: { version: "2026.5.6", connId: "conn-1" },
+  server: { version: "2026.5.6", buildId: "build-2026.5.6", connId: "conn-1" },
 }));
 const isDefaultInstallIdentity = vi.fn((_env?: NodeJS.ProcessEnv) => true);
 const isGatewayExternallySupervised = vi.fn((_env?: NodeJS.ProcessEnv) => false);
@@ -473,7 +473,11 @@ describe("gatherDaemonStatus", () => {
     expect(status.gateway?.version).toBe("2026.5.6");
     expect(status.rpc?.url).toBe("wss://127.0.0.1:19001");
     expect(status.rpc?.ok).toBe(true);
-    expect(status.rpc?.server).toEqual({ version: "2026.5.6", connId: "conn-1" });
+    expect(status.rpc?.server).toEqual({
+      version: "2026.5.6",
+      buildId: "build-2026.5.6",
+      connId: "conn-1",
+    });
     expect(status.cli?.version).toBe(VERSION);
     if (process.argv[1]) {
       expect(status.cli?.entrypoint).toBe(process.argv[1]);
@@ -482,6 +486,26 @@ describe("gatherDaemonStatus", () => {
     expect(inspectWindowsGatewayFirewall).not.toHaveBeenCalled();
   });
 
+  it("preserves probe build identity in deep JSON output", async () => {
+    const status = await gatherStatus({ deep: true });
+    const writeJson = vi.spyOn(defaultRuntime, "writeJson").mockImplementation(() => {});
+    try {
+      printDaemonStatus(status, { json: true, deep: true });
+      expect(writeJson).toHaveBeenCalledOnce();
+      expect(writeJson.mock.calls[0]?.[0]).toMatchObject({
+        rpc: {
+          server: {
+            version: "2026.5.6",
+            buildId: "build-2026.5.6",
+            connId: "conn-1",
+          },
+        },
+      });
+    } finally {
+      writeJson.mockRestore();
+    }
+  });
+
   it("batches daemon and CLI port status inspection when ports differ", async () => {
     await gatherStatus();
 

src/cli/daemon-cli/status.gather.ts

@@ -342,6 +342,7 @@ export type DaemonStatus = {
     };
     server?: {
       version?: string | null;
+      buildId?: string | null;
       connId?: string | null;
     };
     version?: string | null;

src/commands/gateway-status/output.test.ts

@@ -65,6 +65,7 @@ function createProbe(
     },
     server: {
       version: "2026.4.24",
+      buildId: "build-test",
       connId: "conn-test",
     },
     health: null,
@@ -449,6 +450,11 @@ describe("gateway status output", () => {
             scopes: ["operator.read"],
             capability: "read_only",
           },
+          server: {
+            version: "2026.4.24",
+            buildId: "build-test",
+            connId: "conn-test",
+          },
           self: null,
           config: null,
           health: null,

src/commands/gateway-status/output.ts

@@ -190,6 +190,7 @@ export function writeGatewayStatusJson(params: {
         close: entry.probe.close,
       },
       auth: entry.probe.auth,
+      server: entry.probe.server,
       self: entry.self,
       config: entry.configSummary,
       health: entry.probe.health,

src/gateway/probe.test.ts

@@ -16,6 +16,7 @@ const gatewayClientState = vi.hoisted(() => ({
   } as { role?: string; scopes?: string[] } | undefined,
   helloServer: {
     version: "2026.4.24",
+    buildId: "build-test",
     connId: "conn-test",
   },
   connectError: "scope upgrade pending approval (requestId: req-123)",
@@ -414,6 +415,7 @@ describe("probeGateway", () => {
     });
     expect(result.server).toEqual({
       version: "2026.4.24",
+      buildId: "build-test",
       connId: "conn-test",
     });
   });

src/gateway/probe.ts

@@ -47,6 +47,7 @@ export type GatewayProbeAuthSummary = {
 
 export type GatewayProbeServerSummary = {
   version: string | null;
+  buildId?: string;
   connId: string | null;
 };
 
@@ -440,6 +441,9 @@ export async function probeGateway(opts: {
           authMetadataPresent = typeof hello?.auth === "object" && hello.auth !== null;
           server = {
             version: typeof hello?.server?.version === "string" ? hello.server.version : null,
+            ...(typeof hello?.server?.buildId === "string"
+              ? { buildId: hello.server.buildId }
+              : {}),
             connId: typeof hello?.server?.connId === "string" ? hello.server.connId : null,
           };
           auth = resolveProbeAuthSummary({