kami
4d1b4ffbb6
feat(freestyle): soft-lock steering preemption (Slice 5)
- DecisionKind gains PREEMPT; DecisionJournalState tracks planLocked.
- DefaultDecisionJournalReducer: ExecutionPlanLockedEvent flips planLocked
(no record); post-lock steering notes recorded as PREEMPT with a
'PRIORITY DIRECTIVE' summary, pre-lock stay STEERING.
- SessionOrchestrator.buildSteeringNoteEntries: post-lock notes surfaced as
pinned L0/SYSTEM 'PRIORITY DIRECTIVE' entries ahead of the plan; pre-lock
keep L2. Graph re-routing intentionally deferred (priority surfacing only).
- Tests: PreemptSteeringJournalTest, SteeringPreemptionTest.