TA9 Non-Intervening Same-Tick Snapshot Shadow Logging Implementation Audit
Implemented: EnableTA9ShadowLogging input default false; one OnTick observer call at the approved pre-HardStop anchor; same-tick snapshot CSV writer; run/basket summaries; strict distance > 0 safe rule.
Not implemented: real TA9/TA5 exit, order-send hooks, CloseAll hooks, Runtime Gate changes, ClosePriority changes.
Compile: 0 errors / 0 warnings.
Dynamic six-run non-intervention regression: not executed; classification remains runtime data required, not verified.
