v0.1.31 — Policy-Konsolidierung, Geraete-Export nach Gruppe, Gruppen-in-Gruppen

- Policies zusammenfuehren (Settings Catalog -> eine neue Policy, Konfliktaufloesung)
- Geraete-Tab: Gruppen-Filter (Live-Suche) + CSV-Export der angezeigten Liste
- Group Management: bestehende Gruppen als Mitglied hinzufuegen (verschachtelt)
- Fix: Geraete "Invalid Date" (ISO-Normalisierung) + Datums-/Spalten-Sortierung
- Doku (README/CHANGELOG) + Version-Bump 0.1.31

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

www/styles.css

@@ -1129,6 +1129,21 @@ a.target-link:hover {
 }
 .target-row:hover .entra-link,
 .ex-member-row:hover .entra-link { opacity: 1; }
+
+/* Gruppen-Filter-Dropdown im Geraete-Tab (nutzt .cg-existing-item fuer die Zeilen) */
+.dev-group-results {
+  position: absolute;
+  z-index: 40;
+  top: 38px;
+  left: 0;
+  min-width: 220px;
+  max-height: 260px;
+  overflow-y: auto;
+  background: var(--canvas);
+  border: 1px solid var(--hairline);
+  border-radius: 6px;
+  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
+}
 .entra-link:hover {
   background: var(--surface-soft);
   color: var(--brand-accent);
@@ -1327,6 +1342,7 @@ html[data-theme="dark"] .entra-link.teams-link:hover {
   border-radius: var(--r-md);
 }
 
+
 .member-row {
   display: flex;
   align-items: center;
@@ -4615,6 +4631,25 @@ html[data-theme="dark"] .numInputWrapper span.arrowDown {
   flex-shrink: 0;
 }
 
+/* Umschalter Benutzer/Gruppen im "Hinzufuegen"-Pane */
+.gex-addmode { display: flex; gap: 6px; margin-bottom: 12px; }
+.gex-addmode-btn {
+  flex: 1;
+  padding: 6px 10px;
+  border: 1px solid var(--hairline);
+  border-radius: var(--r-sm, 6px);
+  background: var(--canvas);
+  color: var(--muted);
+  font-size: 12.5px;
+  font-weight: 600;
+  cursor: pointer;
+}
+.gex-addmode-btn.active {
+  background: var(--accent-soft);
+  color: var(--brand-accent);
+  border-color: var(--brand-accent);
+}
+
 .gex-tab {
   padding: 10px 18px;
   font-size: 13px;
@@ -5428,6 +5463,31 @@ body.read-only .app-row {
   border: 1px solid var(--border);
   border-radius: 6px;
 }
+
+/* Policies konsolidieren — Modal */
+.pol-cons-summary { font-size: 13px; line-height: 1.6; }
+.pol-cons-summary .pol-cons-warn { color: var(--pink, #e0567a); }
+.pol-cons-err { color: var(--pink, #e0567a); font-size: 13px; }
+.pol-cons-src { margin: 6px 0 0; padding-left: 18px; font-size: 12px; }
+.pol-cons-src li { margin: 1px 0; }
+.pol-cons-conf-head { margin: 14px 0 6px; font-weight: 600; font-size: 13px; }
+.pol-cons-conf {
+  border: 1px solid var(--hairline-soft, var(--border));
+  border-radius: var(--r-xs, 6px);
+  padding: 8px 10px;
+  margin-bottom: 6px;
+}
+.pol-cons-def {
+  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
+  font-size: 11px;
+  color: var(--muted);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  margin-bottom: 6px;
+}
+.pol-cons-opts { display: flex; flex-wrap: wrap; gap: 6px 16px; }
+.pol-cons-opt { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; cursor: pointer; }
 .pol-table { width: 100%; border-collapse: collapse; font-size: 13px; }
 .pol-table thead { position: sticky; top: 0; z-index: 2; background: var(--bg2); }
 .pol-table th {