chore: ai/harness images 53ff243 (per-run model, usage, Claude provider) and the Anthropic key file

ai-env·harness 이미지를 53ff243 로 올린다. apply.sh 가 Secret Manager 의
selfheal-anthropic-api-key 를 받아 /run/secrets/anthropic-api-key 로 두고 compose 가
ANTHROPIC_KEY_FILE 로 넘긴다. 값이 없으면 기존처럼 저하 모드로 기동한다.

vm/ai-env/ai.env

@@ -8,6 +8,8 @@ DISCORD_APPROVER_ROLE_ID=
 # Discord message language of the hitl bot: en or ja (runbooks and prompt free text are written in Japanese)
 HITL_LANG=ja
 # experiment design 11.1: candidates gpt-6-astra / gpt-6.1-sol / gpt-6-luna (OpenAI model page 2026-10-08). luna for the first live checks and campaign (budget), compare with sol afterwards
+# default when a campaign does not name a model. Since apps 53ff243 the harness passes the campaign's model on every /diagnose
+# (console "model" field); ids starting with claude- go to the Claude Messages API (secret selfheal-anthropic-api-key).
 OPENAI_MODEL=gpt-6.1-sol
 EMBED_MODEL=text-embedding-3-small
 HARNESS_URL=http://10.20.0.11:8080