fix: generic Chat-Archive URL placeholder, add CHATAPI env vars to docker-compose

.env.example

@@ -32,5 +32,5 @@ WEB_URL=https://kontakte.example.de
 
 # --- Chat-Archive API (optional, zeigt Chat-Nachrichten in der Kontakt-Detailseite) ---
 CHATAPI_ENABLED=false
-CHATAPI_URL=http://docker-host-pve.fritz.box:8420
+CHATAPI_URL=http://chat-archive-host:8420
 CHATAPI_KEY=change-me

README.md

@@ -328,7 +328,7 @@ In `.env`:
 
 ```
 CHATAPI_ENABLED=true
-CHATAPI_URL=http://docker-host-pve.fritz.box:8420
+CHATAPI_URL=http://chat-archive-host:8420
 CHATAPI_KEY=change-me
 ```
 

docker-compose.yml

@@ -58,6 +58,9 @@ services:
       MAIL_FROM: "${MAIL_FROM}"
       TIMEZONE: "${TIMEZONE:-Europe/Berlin}"
       WEB_URL: "${WEB_URL:-}"
+      CHATAPI_ENABLED: "${CHATAPI_ENABLED:-false}"
+      CHATAPI_URL: "${CHATAPI_URL:-}"
+      CHATAPI_KEY: "${CHATAPI_KEY:-}"
     volumes:
       - ./config/accounts.json:/app/config/accounts.json:ro
     ports: