Run profiles from commit worktrees

.env.example

@@ -24,6 +24,8 @@ GATEWAY_API_PORT=13000
 GATEWAY_PUBLIC_URL=http://localhost:13000
 GATEWAY_REDIS_PREFIX=sammo:gateway
 GATEWAY_DB_SCHEMA=public
+GATEWAY_WORKSPACE_ROOT=/path/to/core2026
+GATEWAY_WORKTREE_ROOT=/path/to/core2026/.worktrees
 SESSION_TTL_SECONDS=604800
 GAME_SESSION_TTL_SECONDS=21600
 OAUTH_SESSION_TTL_SECONDS=600