passepartout: v0.6.0 — Time Awareness

Level 2: symbolic-time-memory skill
- memory-objects-since(timestamp) — hash-table walk, objects with version >= timestamp
- memory-objects-in-range(since until) — version between two timestamps
- context-query-with-time — extended query with :since :until
- 6 tests, 100% pass

Level 3: sensor-time skill
- format-time-for-llm — TIME: section for system prompt (iso/natural format)
- session-duration — session start tracking
- sensor-time-tick — deadline scanning, cron-registered, 0 LLM tokens
- TIME_AWARENESS / TIME_FORMAT / DEADLINE_WARNING_MINUTES env vars
- 13 tests, 100% pass

Level 1: TIME injection in think() (core-reason)
- fboundp-guarded call to format-time-for-llm
- session duration included when sensor-time skill loaded
- Injected at top of system prompt in both token-economics and fallback paths

Full suite: 135/135 (100%)

lisp/core-reason.lisp

@@ -100,6 +100,12 @@
                                        (when (and text (stringp text) (> (length text) 0))
                                          (setf out (concatenate 'string out text (string #\Newline))))))
                                    (when (> (length out) 0) out)))
+          (time-section (if (fboundp 'sensor-time-duration)  ; v0.6.0: temporal awareness
+                            (format-time-for-llm
+                             :session-duration-seconds (funcall (symbol-function 'session-duration)))
+                            (if (fboundp 'format-time-for-llm)
+                                (format-time-for-llm)
+                                "")))
           (system-prompt (if (fboundp 'prompt-prefix-cached)
                              ;; v0.5.0: cached prefix with optional budget enforcement
                              (let* ((prefix (prompt-prefix-cached assistant-name reflection-feedback
@@ -110,12 +116,13 @@
                                                              raw-prompt standing-mandates-text)
                                      (declare (ignore _))
                                      (setf standing-mandates-text mandates)
-                                     (format nil "~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
-                                             pfx (or ctxt "") logs))
-                                   (format nil "~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
-                                           prefix (or global-context "") system-logs)))
+                                     (format nil "~a~%~%~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
+                                             time-section pfx (or ctxt "") logs))
+                                   (format nil "~a~%~%~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
+                                           time-section prefix (or global-context "") system-logs)))
                              ;; Fallback when token-economics not loaded
-                             (format nil "IDENTITY: ~a~a~a~%~%TOOLS:~%~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
+                             (format nil "~a~%~%IDENTITY: ~a~a~a~%~%TOOLS:~%~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a"
+                                     time-section
                                      assistant-name reflection-feedback
                                      (if standing-mandates-text
                                          (concatenate 'string (string #\Newline) standing-mandates-text)