lots of change - all to start my 3rd redo

worker-toolkit-potion-polyglot/explore/.devcontainer/apply-dns-jail.sh

@@ -1,24 +0,0 @@
-#!/bin/bash
-# Trial parity: limit DNS to the model endpoint and the toolkit's telemetry, so a session
-# captured here cannot depend on network the trial agent will not have. Opt-in, best-effort.
-#
-# Its own lifecycle step, NOT part of post-start.sh: post-create.sh calls post-start to get
-# postgres up before it installs the repo's dependencies, so a jail applied there breaks
-# `bundle install` on every fresh container. postStartCommand runs after postCreateCommand.
-set -u
-
-[ -f /workspace/.devcontainer/dns-jail.sh ] || exit 0
-# Read the one line rather than sourcing: with the jail off this must not execute the
-# worker's .env as a side effect.
-if [ "${RACCOON_DNS_JAIL:-0}" != "1" ] &&
-    ! grep -qE '^[[:space:]]*(export[[:space:]]+)?RACCOON_DNS_JAIL[[:space:]]*=[[:space:]]*"?1"?[[:space:]]*(#.*)?$' \
-        /workspace/.env 2>/dev/null; then
-    exit 0
-fi
-(
-    set -a
-    # shellcheck disable=SC1091
-    . /workspace/.env 2>/dev/null || true
-    set +a
-    bash /workspace/.devcontainer/dns-jail.sh
-) || true