feat(v0.3.0): Event Orchestrator skill

- New system-event-orchestrator skill with hook registry, cron registry, and tier classifier

- Three dispatch tiers: :reflex (no LLM), :cognition (light), :reasoning (full)

- Org-mode timestamp parsing for repeat patterns (+1w, +1d, +1m)

- Registers on heartbeat via defskill, dispatches due cron jobs

- Fix all remaining harness-log → log-message references across org files

org/system-memory.org

@@ -12,7 +12,7 @@ Because Lisp is homoiconic (code is data), memory objects can be read as executa
 #+begin_src lisp
 (defun memory-inspect ()
   "Allows the system to inspect its own memory state."
-  (harness-log "MEMORY: Self-inspection triggered."))
+  (log-message "MEMORY: Self-inspection triggered."))
 #+end_src
 
 ** Skill Registration