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

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

runner/src/dev.js

@@ -1,5 +1,6 @@
 // Dev-Server bei Bedarf: Container mit `npm run dev` starten, bei Leerlauf stoppen, max. devMax gleichzeitig (LRU-Verdrängung).
 import net from 'node:net';
+import { createHash } from 'node:crypto';
 import { join } from 'node:path';
 import * as nodeFs from 'node:fs/promises';
 import { devRunArgs } from './docker.js';
@@ -11,6 +12,9 @@ const POLL_MS = 1000;
 const RETRY_MS = 60e3;
 const UID = 1000;
 const PREFIX = 'preview-dev-';
+const LIVE_CHECK_MS = 10e3;
+// I2: Stand der Startparameter (Variablen, Branch, Modus): Aenderung => Neustart
+const cfgHash = (job) => createHash('sha256').update(JSON.stringify([job.branch, job.mode, Object.entries(job.env || {}).sort(([a], [b]) => (a < b ? -1 : 1))])).digest('hex');
 const cacheName = (repo) => repo.replace('/', '__');
 
 async function chownR(p) {
@@ -126,7 +130,14 @@ export function createDev({
   async function ensure(sub, job) {
     specs.set(sub, job);
     const cur = entries.get(sub);
-    if (cur && cur.sha === job.sha) {
+    // I7: ein abgestuerzter/beendeter Container darf nicht als online gelten
+    if (cur && cur.state === 'online' && docker.running && now() - (cur.checkedAt || 0) >= LIVE_CHECK_MS) {
+      let alive = true;
+      try { alive = await docker.running(PREFIX + sub); } catch { /* unklar: als lebendig behandeln */ }
+      cur.checkedAt = now();
+      if (!alive && entries.get(sub) === cur && cur.state === 'online') { console.error('dev', sub, 'Container laeuft nicht mehr - Neustart'); await shutdown(cur, 'sleeping'); }
+    }
+    if (cur && cur.sha === job.sha && cur.cfg === cfgHash(job)) {
       if (cur.state === 'failed' && now() - cur.failedAt < RETRY_MS) return { state: 'failed' }; // nicht öfter als alle 60 s neu versuchen
       if (cur.state === 'online') { cur.lastUsed = now(); return { state: 'online', target: `http://${PREFIX}${sub}:${cur.port}` }; }
       if (cur.state === 'starting') { cur.lastUsed = now(); return { state: 'starting' }; }
@@ -138,7 +149,7 @@ export function createDev({
     if (cur) stops.push(shutdown(cur, 'sleeping'), cur.promise); // neuer sha oder failed/sleeping: frisch starten, erst nach dem alten Eintrag
     const others = [...entries.values()].filter((e) => e !== cur && isRunning(e)).sort((a, b) => a.lastUsed - b.lastUsed);
     while (others.length >= config.devMax) stops.push(shutdown(others.shift(), 'sleeping')); // LRU
-    const e = { sub, state: 'starting', sha: job.sha, lastUsed: now(), log: [], port: null, release: jobs.retainCache(job.repo), promise: null, cancelled: false, created: false, stopping: null, failedAt: 0 };
+    const e = { sub, state: 'starting', sha: job.sha, cfg: cfgHash(job), checkedAt: now(), lastUsed: now(), log: [], port: null, release: jobs.retainCache(job.repo), promise: null, cancelled: false, created: false, stopping: null, failedAt: 0 };
     entries.set(sub, e);
     e.promise = Promise.allSettled(stops).then(() => start(e, job));
     return { state: 'starting' };
@@ -147,9 +158,9 @@ export function createDev({
   // R12: Spezifikation merken, ohne zu starten. Läuft der sub mit anderem sha, wird nach den üblichen Regeln neu gestartet.
   async function register(sub, job) {
     const cur = entries.get(sub);
-    if (cur && isRunning(cur) && cur.sha !== job.sha) return ensure(sub, job);
+    if (cur && isRunning(cur) && (cur.sha !== job.sha || cur.cfg !== cfgHash(job))) return ensure(sub, job);
     specs.set(sub, job);
-    if (cur && cur.sha === job.sha && (cur.state === 'online' || cur.state === 'starting' || cur.state === 'failed')) return { state: cur.state };
+    if (cur && cur.sha === job.sha && cur.cfg === cfgHash(job) && (cur.state === 'online' || cur.state === 'starting' || cur.state === 'failed')) return { state: cur.state };
     return { state: 'sleeping' };
   }
   // R12: Start mit der gemerkten Spezifikation (Proxy kennt nur die Subdomain).
@@ -159,6 +170,11 @@ export function createDev({
     return ensure(sub, job);
   }
 
+  // I7: Proxy meldet einen nicht erreichbaren Container: als schlafend markieren und entfernen (naechster Aufruf startet neu).
+  async function markDead(sub) {
+    const e = entries.get(sub);
+    if (e && e.state === 'online') await shutdown(e, 'sleeping');
+  }
   const touch = (sub) => { const e = entries.get(sub); if (e) e.lastUsed = now(); };
   async function stop(sub) {
     specs.delete(sub); // 'off': Spezifikation vergessen, bis das Portal neu registriert
@@ -184,5 +200,5 @@ export function createDev({
   }
   const idle = () => Promise.all([...entries.values()].map((e) => e.promise)).then(() => {});
 
-  return { ensure, register, wake, touch, stop, list, status, sweep, cleanupOrphans, idle };
+  return { ensure, register, wake, touch, markDead, stop, list, status, sweep, cleanupOrphans, idle };
 }