TA9 Shadow event dictionary
- CLOSE_PRIORITY_SNAPSHOT: state-change snapshot row for one basket/eval cycle
- TA9_RAW_CANDIDATE: raw runtime predicate changed false to true
- TA9_SAFE_CANDIDATE: safe classification changed false to true; no order sent
- TA9_SUPPRESSED: primary suppression reason changed
- EXISTING_CLOSE_SELECTED: current priority table selected an existing close reason
- HARDSTOP_SELECTED: current snapshot has HardStopNow=true
- CLOSE_ORDER_ATTEMPT: schema-reserved passive runtime close attempt event; not hooked in this implementation
- CLOSE_ORDER_RESULT: schema-reserved passive runtime close result event; not hooked in this implementation
- CLOSE_RETRY: schema-reserved passive retry event; not hooked in this implementation
- SNAPSHOT_PARITY_ERROR: HardStop/distance/runtime parity violation observed
- TA9_SHADOW_BASKET_SUMMARY: basket-level aggregate row
- TA9_SHADOW_RUN_SUMMARY: run-level aggregate row on OnDeinit
