Preview: Block im WOMS

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

src/lib/previewEnv.js

@@ -0,0 +1,24 @@
+// Hilfen für den Preview-Block (Variablen, Status-Punkt, Dev-Erkennung)
+
+export function isValidEnvName(name) {
+  return /^[A-Z_][A-Z0-9_]*$/.test(String(name ?? ''))
+}
+
+// Änderungen ⇒ Body für PUT /preview/env; entfernte Namen werden nicht zugleich gesetzt
+export function buildEnvPayload(setMap = {}, removeList = []) {
+  const remove = [...new Set(removeList)]
+  const set = {}
+  for (const [k, v] of Object.entries(setMap)) if (!remove.includes(k)) set[k] = v
+  return { set, remove }
+}
+
+const DOT_COLORS = { online: '#10b981', building: '#f59e0b', sleeping: '#f59e0b', starting: '#f59e0b', failed: '#ef4444' }
+export function dotColor(state) {
+  return DOT_COLORS[state] || '#a0aec0'
+}
+
+export function isDevPreview(p) {
+  if (!p) return false
+  if (p.mode === 'dev') return true
+  return (p.mode || 'auto') === 'auto' && typeof p.detected === 'string' && p.detected.startsWith('dev:')
+}