fix(runner): Dev-Neustart bei geänderten Variablen, Liveness-Prüfung, npm-ci-Fallback

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

runner/src/docker.js

@@ -177,10 +177,16 @@ export function createDocker({ exec = spawnDocker, baseEnv = process.env, envDir
   return {
     run,
     async ps(label) {
-      const { code, lines } = await capture(['ps', '--filter', `label=${label}`, '--format', '{{.Names}}']);
+      const { code, lines } = await capture(['ps', '-a', '--filter', `label=${label}`, '--format', '{{.Names}}']);
       if (code !== 0) throw new Error(`docker ps fehlgeschlagen (${code})`);
       return lines.map((l) => l.trim()).filter((l) => NAME_RE.test(l));
     },
+    // Laeuft der Container? (inspect; fehlt er oder ist beendet, dann false)
+    async running(name) {
+      checkName(name);
+      const { code, lines } = await capture(['inspect', '-f', '{{.State.Running}}', name]);
+      return code === 0 && lines.some((l) => l.trim() === 'true');
+    },
     async rm(name) { checkName(name); return capture(['rm', '-f', name]); },
     async stop(name) { checkName(name); return capture(['rm', '-f', name]); },
   };