docs: the reseq probe's readings, and the invariants resequencing changes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/claude/invariants-trigger-and-pinning.md

@@ -122,6 +122,10 @@ Part of [CLAUDE.md](../../CLAUDE.md). These are rules that cost a defect to lear
   export.** Both need the same absolute index range over the time ring and every value
   ring, or an export and a capture of the same window would hold different samples. Call
   it under `mutex()`.
+- **The trigger engine is not fed a reserved hole's samples.** A NaN comparison is false anyway,
+  so the engine would not latch; but the real reason the samples are withheld is the other one:
+  feeding them would advance the hold-off clock across time nothing was sampled in. The probe
+  asserts `trigger_in_hole=0` rather than relying on NaN's arithmetic properties.
 - **`EventDetector` owns every condition shape and holds no arming state; `TriggerEngine` owns
   the arming, the hold-off and the post window and holds no condition.** The split is what lets
   the buffer search ask the trigger's exact question without owning a trigger, and it is only