93bb3b69c4
Close 4 lifecycle coverage gaps: - PostToolUseFailure: catch failed mem0 MCP calls, classify errors, inject retry guidance - PostCompact: inject parallel search commands for context recovery after compaction - SessionEnd: last-chance transcript capture with dedup against Stop hook - SubagentStop: remind parent agent to persist subagent learnings Also patch on_stop.sh to write capture marker for SessionEnd dedup.