feat(deploy): TrueNAS Custom-App + Auto-Deploy, plus aufgelaufene Arbeit

Deployment:
- custom-app.compose.yaml: self-contained Compose fuer TrueNAS "Custom App"
  (absolute Host-Bind-Pfade, postgres:18, pull_policy always, Port 8090)
- scripts/truenas-deploy.sh: Host-Skript create/redeploy via midclt (App
  bleibt unter Apps sichtbar) inkl. Image-Pull + Health-Check
- ci.yml Deploy-Job: laeuft auf ubuntu-latest-Runner, kopiert Deploy-Dateien
  per SSH auf den NAS-Host und triggert truenas-deploy.sh (statt runs-on goldeye)
- compose.yaml/.env.example: postgres:18 (Locale-Match zur Quell-DB), Port 8090
- .gitignore: .agents/, tools/rag/, deploy/truenas/.env (Secrets/Scratch)

Aufgelaufene Feature-Arbeit (verified/Freeze, Migrationen, Import-Triage):
- GerbilOverride/VerifiedGerbil-Endpoints + GerbilSnapshotService + Tests
- EF-Migrationen (ShowInChronicle, Stillborn, BirthOrder, ManualFlag, DSGVO)
- Frontend VerifizierteTierePage + verified-API + e2e-Spec
- diverse Import-/Triage-Skripte und -Tests

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tools/import/rpro3_lookup.py

@@ -22,7 +22,18 @@ import sys, json
 from collections import defaultdict
 import compare_rpro3 as C
 
-LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+class LettersClass:
+    def __getitem__(self, i):
+        res = ""
+        val = i
+        while val >= 0:
+            res = chr(65 + (val % 26)) + res
+            val = (val // 26) - 1
+        return res
+    def __contains__(self, item):
+        return isinstance(item, str) and item.isalpha() and item.isupper()
+
+LETTERS = LettersClass()
 
 
 def informative(recs):