Remove Meilisearch healthcheck, use service_started instead

The getmeili/meilisearch image (Debian slim) has neither curl nor wget,
so healthcheck commands always fail. Use condition: service_started
and rely on Messenger retry mechanism for brief startup delays.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose-dev.yml

@@ -72,7 +72,7 @@ services:
       redis:
         condition: service_healthy
       meilisearch:
-        condition: service_healthy
+        condition: service_started
 
   bun:
     image: oven/bun:alpine
@@ -137,11 +137,6 @@ services:
       - "7700:7700"
     volumes:
       - meilisearch-data:/meili_data
-    healthcheck:
-      test: ["CMD-SHELL", "wget -q --spider http://localhost:7700/health || exit 1"]
-      interval: 5s
-      timeout: 5s
-      retries: 5
 
   libretranslate:
     image: libretranslate/libretranslate:latest