Module compaction 

Structs

CompactRange

CompactSummary

Functions

estimate_compacted_message_tokens

estimate_tokens_for_message

estimate_tokens_for_messages

filter_orphan_tool_messages

find_compact_range

find_compact_summaries

is_compaction_summary

is_plan_related

maybe_auto_compact

replace_range_with_summary

spawn_auto_compact

start_auto_compact