feat(cli): hint gateway reachability for local/remote

src/commands/configure.ts

@@ -37,6 +37,7 @@ import {
   guardCancel,
   openUrl,
   printWizardHeader,
+  probeGatewayReachable,
   randomToken,
   summarizeExistingConfig,
 } from "./onboard-helpers.js";
@@ -384,12 +385,42 @@ export async function runConfigureWizard(
     }
   }
 
+  const localUrl = "ws://127.0.0.1:18789";
+  const localProbe = await probeGatewayReachable({
+    url: localUrl,
+    token: process.env.CLAWDIS_GATEWAY_TOKEN,
+    password:
+      baseConfig.gateway?.auth?.password ??
+      process.env.CLAWDIS_GATEWAY_PASSWORD,
+  });
+  const remoteUrl = baseConfig.gateway?.remote?.url?.trim() ?? "";
+  const remoteProbe = remoteUrl
+    ? await probeGatewayReachable({
+        url: remoteUrl,
+        token: baseConfig.gateway?.remote?.token,
+      })
+    : null;
+
   const mode = guardCancel(
     await select({
       message: "Where will the Gateway run?",
       options: [
-        { value: "local", label: "Local (this machine)" },
-        { value: "remote", label: "Remote (info-only)" },
+        {
+          value: "local",
+          label: "Local (this machine)",
+          hint: localProbe.ok
+            ? `Gateway reachable (${localUrl})`
+            : `No gateway detected (${localUrl})`,
+        },
+        {
+          value: "remote",
+          label: "Remote (info-only)",
+          hint: !remoteUrl
+            ? "No remote URL configured yet"
+            : remoteProbe?.ok
+              ? `Gateway reachable (${remoteUrl})`
+              : `Configured but unreachable (${remoteUrl})`,
+        },
       ],
     }),
     runtime,

src/commands/onboard-helpers.ts

@@ -11,6 +11,7 @@ import {
 import type { ClawdisConfig } from "../config/config.js";
 import { CONFIG_PATH_CLAWDIS } from "../config/config.js";
 import { resolveSessionTranscriptsDir } from "../config/sessions.js";
+import { callGateway } from "../gateway/call.js";
 import { runCommandWithTimeout } from "../process/exec.js";
 import type { RuntimeEnv } from "../runtime.js";
 import { CONFIG_DIR, resolveUserPath } from "../utils.js";
@@ -171,4 +172,36 @@ export async function detectBinary(name: string): Promise<boolean> {
   }
 }
 
+export async function probeGatewayReachable(params: {
+  url: string;
+  token?: string;
+  password?: string;
+  timeoutMs?: number;
+}): Promise<{ ok: boolean; detail?: string }> {
+  const url = params.url.trim();
+  const timeoutMs = params.timeoutMs ?? 1500;
+  try {
+    await callGateway({
+      url,
+      token: params.token,
+      password: params.password,
+      method: "health",
+      timeoutMs,
+    });
+    return { ok: true };
+  } catch (err) {
+    return { ok: false, detail: summarizeError(err) };
+  }
+}
+
+function summarizeError(err: unknown): string {
+  const raw = String(err ?? "unknown error");
+  const line =
+    raw
+      .split("\n")
+      .map((s) => s.trim())
+      .find(Boolean) ?? raw;
+  return line.length > 120 ? `${line.slice(0, 119)}…` : line;
+}
+
 export const DEFAULT_WORKSPACE = DEFAULT_AGENT_WORKSPACE_DIR;

src/commands/onboard-interactive.ts

@@ -37,6 +37,7 @@ import {
   handleReset,
   openUrl,
   printWizardHeader,
+  probeGatewayReachable,
   randomToken,
   summarizeExistingConfig,
 } from "./onboard-helpers.js";
@@ -113,14 +114,44 @@ export async function runInteractiveOnboarding(
     }
   }
 
+  const localUrl = "ws://127.0.0.1:18789";
+  const localProbe = await probeGatewayReachable({
+    url: localUrl,
+    token: process.env.CLAWDIS_GATEWAY_TOKEN,
+    password:
+      baseConfig.gateway?.auth?.password ??
+      process.env.CLAWDIS_GATEWAY_PASSWORD,
+  });
+  const remoteUrl = baseConfig.gateway?.remote?.url?.trim() ?? "";
+  const remoteProbe = remoteUrl
+    ? await probeGatewayReachable({
+        url: remoteUrl,
+        token: baseConfig.gateway?.remote?.token,
+      })
+    : null;
+
   const mode =
     opts.mode ??
     (guardCancel(
       await select({
         message: "Where will the Gateway run?",
         options: [
-          { value: "local", label: "Local (this machine)" },
-          { value: "remote", label: "Remote (info-only)" },
+          {
+            value: "local",
+            label: "Local (this machine)",
+            hint: localProbe.ok
+              ? `Gateway reachable (${localUrl})`
+              : `No gateway detected (${localUrl})`,
+          },
+          {
+            value: "remote",
+            label: "Remote (info-only)",
+            hint: !remoteUrl
+              ? "No remote URL configured yet"
+              : remoteProbe?.ok
+                ? `Gateway reachable (${remoteUrl})`
+                : `Configured but unreachable (${remoteUrl})`,
+          },
         ],
       }),
       runtime,