feat(runner): /status meldet bekannte Dev-Spezifikationen (known)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

runner/src/dev.js

@@ -184,6 +184,8 @@ export function createDev({
     await e.promise.catch(() => {});
     if (!entries.has(sub)) await rmDir(join(config.workRoot, 'dev', sub)).catch(() => {}); // Arbeitsordner aufräumen
   }
+  // R18: Subdomains mit gemerkter Spezifikation (auch schlafende); das Portal registriert fehlende nach.
+  const known = () => [...specs.keys()];
   const list = () => [...entries.values()].map((e) => ({ sub: e.sub, state: e.state, lastUsed: e.lastUsed, sha: e.sha }));
   function status(sub) {
     const e = entries.get(sub);
@@ -200,5 +202,5 @@ export function createDev({
   }
   const idle = () => Promise.all([...entries.values()].map((e) => e.promise)).then(() => {});
 
-  return { ensure, register, wake, touch, markDead, stop, list, status, sweep, cleanupOrphans, idle };
+  return { ensure, register, wake, touch, markDead, known, stop, list, status, sweep, cleanupOrphans, idle };
 }