Separate engine cleanup, investigation reset and terminal disposal in the shared application owner. Keep stable Evidence IDs and full Unknown revision history through engine close and target changes; serialize reset with all record writers and cleanup owners, optionally acknowledging a complete checkpoint before clearing. Bound retained representation without eviction.
Validation: 43 focused files / 533 distinct tests, source/type/lint/schema/documentation checks, nine genuine source cases across eight families, real Ghidra session identity and cleanup, and nine actual local Codex CLI terra/high runs with independent full-result and checkpoint audits. See docs/verification/investigation-lifecycle.md for measurements, partial attempts and verification limits.
Fixes#8347.
BREAKING CHANGE: close_binary retains investigation records. Use reset_investigation to clear them. Cross-process recovery requires an explicitly acknowledged Evidence bundle checkpoint.
Assisted-by: Suika (gensokyo-skills:suika-scatter-gather-planning)
gensokyo-dev
f72638f6b1