Runner: instabile Build-Tests behoben

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

runner/src/jobs.js

@@ -210,6 +210,7 @@ export function createJobs({ config, docker, fs: fsOver = {}, git, mem = readMem
     const workDir = join(config.workRoot, 'build', run.runId);
     const deadline = now() + config.buildTimeoutMs;
     run.state = 'running';
+    let final;
     try {
       const prep = await prepare(job, { onLine, workDir, id: run.runId, deadline });
       const d = prep.detected;
@@ -240,16 +241,17 @@ export function createJobs({ config, docker, fs: fsOver = {}, git, mem = readMem
           run.result = 'build';
         }
       }
-      run.state = 'done';
+      final = 'done';
     } catch (e) {
-      run.state = 'failed';
+      final = 'failed';
       run.result = undefined;
       run.error = masker(job)(e?.message || 'Unbekannter Fehler');
       onLine(run.error);
-    } finally {
-      await fs.rm(workDir, { recursive: true, force: true }).catch(() => {});
-      run.finishedAt = now();
     }
+    // Endzustand erst nach dem Aufräumen veröffentlichen: wer 'done'/'failed' sieht, sieht ein bereinigtes workDir und finishedAt.
+    await fs.rm(workDir, { recursive: true, force: true }).catch(() => {});
+    run.finishedAt = now();
+    run.state = final;
   }
 
   function submit(job) {