passepartout: update CHANGELOG for v0.5.1 and v0.6.0

CHANGELOG.org

@@ -5,6 +5,43 @@
 All notable changes to Passepartout, extracted from [[file:docs/ROADMAP.org][ROADMAP.org]]
 DONE items with LOGBOOK timestamps.
 
+* v0.6.0 — Time Awareness
+:LOGBOOK:
+- Released [2026-05-08 Thu]
+:END:
+
+** Temporal Memory Filtering (symbolic-time-memory skill)
+
+- ~memory-objects-since(timestamp)~ — hash-table walk returning objects with ~version >= timestamp~
+- ~memory-objects-in-range(since until)~ — version between two timestamps (inclusive)
+- ~context-query-with-time~ — extended query with ~:since~ / ~:until~ parameters
+- 6 tests, 100% pass. Pure Lisp, sub-millisecond, 0 LLM tokens
+
+** Sensor-Time Skill
+
+- ~format-time-for-llm~ — TIME: section for system prompt, iso/natural format
+- ~session-duration~ — session start tracking, included in TIME section
+- ~sensor-time-tick~ — deadline scanning via cron (~:reflex~ tier), 0 LLM tokens
+- ~TIME_AWARENESS~ / ~TIME_FORMAT~ / ~DEADLINE_WARNING_MINUTES~ env vars
+- 13 tests, 100% pass
+
+** System Prompt
+
+- TIME section injected at top of ~think()~ via ~fboundp~ guard in ~core-reason.lisp~
+- Falls back gracefully when sensor-time skill not loaded
+
+* v0.5.1 — Compilation Hardening
+:LOGBOOK:
+- Released [2026-05-08 Thu]
+:END:
+
+- Fixed ~defvar~ missing opening paren in ~security-vault.lisp~
+- Updated 19 CFFI struct references in ~embedding-native.lisp~ (deprecation fix)
+- Fixed heartbeat variable scope in ~symbolic-events.lisp~ (~passepartout::~ prefix)
+- Suppressed ~100 harmless cross-skill STYLE-WARNINGs via bash script filter
+- ROADMAP: two false errors documented (~symbolic-memory~ lambda, ~gateway-messaging~ deleted)
+- Test suite: 116/116 (100%)
+
 * v0.5.0 — File Reorganization & Token Economics
 :LOGBOOK:
 - Released [2026-05-08 Thu]