bootsnap, spring, sofurry type fixes

.devcontainer/fish-shell-conf-d/bash-in-agent.fish

@@ -0,0 +1,10 @@
+# Agent detection - only activate minimal mode for actual agents
+if test -n "$npm_config_yes"; or test -n "$CI"; or not status --is-interactive
+    set -gx AGENT_MODE true
+else
+    set -gx AGENT_MODE false
+end
+
+if test $AGENT_MODE = true
+    /usr/bin/bash
+end