memex: update passepartout submodule → v0.7.2, add notes

passepartout v0.7.2 (Gate Trace + HITL + Search + 11 more features):
- Gate trace visualization with Ctrl+G toggle
- HITL inline panels with styled collapse on approve/deny
- Agent identity file + /identity command
- Safe-tool read-only allowlist
- Message search mode with Up/Down nav and highlights
- Context budget visibility with section breakdown
- Session rewind /sessions /resume /rewind
- Undo/redo per operation
- Context debugging /context why /context dropped
- Tool hardening (timeouts, write verify, read-only cache)
- Tag stack severity tiers + trigger counts
- Merkle provenance audit + audit-verify
- Self-help /help <topic> reads USER_MANUAL.org
- Live CONFIG section in system prompts
- Pads: Page Up/Down scroll by 10 lines

Core 92/92  TUI Main 104/104  TUI View 29/29  Neuro 13/13

notes/session_summary_20260321.org

@@ -0,0 +1,13 @@
+#+TITLE: Session Summary: 2026-03-21
+#+FILETAGS: :atomic:note:
+
+* Session Summary: 2026-03-21
+:PROPERTIES:
+:CREATED: c5092bd6-1c3c-4b0e-ba11-5e63b258d49a
+:SOURCE: /home/user/memex/daily/2026-03-21.org
+:END:
+
+:CREATED: [2026-03-22 Sun 01:00]
+
+* Backlinks
+- Source: [[file:/home/user/memex/daily/2026-03-21.org][2026-03-21.org]]