refactor: normalize cli command hints

src/commands/agents.command-shared.ts

@@ -1,3 +1,4 @@
+import { formatCliCommand } from "../cli/command-format.js";
 import type { ClawdbotConfig } from "../config/config.js";
 import { readConfigFileSnapshot } from "../config/config.js";
 import type { RuntimeEnv } from "../runtime.js";
@@ -14,7 +15,7 @@ export async function requireValidConfig(runtime: RuntimeEnv): Promise<ClawdbotC
         ? snapshot.issues.map((issue) => `- ${issue.path}: ${issue.message}`).join("\n")
         : "Unknown validation issue.";
     runtime.error(`Config invalid:\n${issues}`);
-    runtime.error("Fix the config or run clawdbot doctor.");
+    runtime.error(`Fix the config or run ${formatCliCommand("clawdbot doctor")}.`);
     runtime.exit(1);
     return null;
   }