Prevents infinite config-get loops on Kimi K2.5 and other models that
re-execute bash tool calls when they encounter config-get subshell patterns.
Values are now bundled into the init plan-phase JSON so step 15 of
plan-phase.md can read them directly without separate shell calls.
Closes#2192
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>