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Add buy/lay audit runner and report #69

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152 changes: 152 additions & 0 deletions REPORT_buy_lay_audit.md
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# Buy/Lay Audit Report
_Generated 2025-11-03 15:32:08 UTC_

## Summary
Total checks: 56 | Passed: 56 | Failed: 0
Mode A passes: 28 | Mode B passes: 28

## Affordability
| Mode | Bet | Family | First placement cost (obs/exp) | Max count (obs/exp) | End bankroll (obs/exp) | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | $20.00/$20.00 | 5/5 | $0.00/$0.00 | PASS |
| A | Buy | 5/9 | $20.00/$20.00 | 5/5 | $0.00/$0.00 | PASS |
| A | Lay | 4/10 | $20.00/$20.00 | 5/5 | $0.00/$0.00 | PASS |
| A | Lay | 5/9 | $20.00/$20.00 | 5/5 | $0.00/$0.00 | PASS |
| B | Buy | 4/10 | $21.00/$21.00 | 4/4 | $16.00/$16.00 | PASS |
| B | Buy | 5/9 | $21.00/$21.00 | 4/4 | $16.00/$16.00 | PASS |
| B | Lay | 4/10 | $21.00/$21.00 | 4/4 | $16.00/$16.00 | PASS |
| B | Lay | 5/9 | $21.00/$21.00 | 4/4 | $16.00/$16.00 | PASS |

## Loss Bookkeeping
| Mode | Bet | Family | Scenario | Observed | Expected | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | Loss resolution | $-20.00 | $-20.00 | PASS |
| A | Buy | 5/9 | Loss resolution | $-20.00 | $-20.00 | PASS |
| A | Lay | 4/10 | Loss resolution | $-20.00 | $-20.00 | PASS |
| A | Lay | 5/9 | Loss resolution | $-20.00 | $-20.00 | PASS |
| B | Buy | 4/10 | Loss resolution | $-21.00 | $-21.00 | PASS |
| B | Buy | 5/9 | Loss resolution | $-21.00 | $-21.00 | PASS |
| B | Lay | 4/10 | Loss resolution | $-21.00 | $-21.00 | PASS |
| B | Lay | 5/9 | Loss resolution | $-21.00 | $-21.00 | PASS |

## Win Bookkeeping
| Mode | Bet | Family | Scenario | Observed | Expected | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | Raw win credited | $38.00 | $38.00 | PASS |
| A | Buy | 4/10 | Net bankroll delta | $38.00 | $38.00 | PASS |
| A | Buy | 5/9 | Raw win credited | $28.50 | $28.50 | PASS |
| A | Buy | 5/9 | Net bankroll delta | $28.50 | $28.50 | PASS |
| A | Lay | 4/10 | Raw win credited | $9.50 | $9.50 | PASS |
| A | Lay | 4/10 | Net bankroll delta | $9.50 | $9.50 | PASS |
| A | Lay | 5/9 | Raw win credited | $12.67 | $12.67 | PASS |
| A | Lay | 5/9 | Net bankroll delta | $12.67 | $12.67 | PASS |
| B | Buy | 4/10 | Raw win credited | $40.00 | $40.00 | PASS |
| B | Buy | 4/10 | Net bankroll delta | $39.00 | $39.00 | PASS |
| B | Buy | 5/9 | Raw win credited | $30.00 | $30.00 | PASS |
| B | Buy | 5/9 | Net bankroll delta | $29.00 | $29.00 | PASS |
| B | Lay | 4/10 | Raw win credited | $10.00 | $10.00 | PASS |
| B | Lay | 4/10 | Net bankroll delta | $9.00 | $9.00 | PASS |
| B | Lay | 5/9 | Raw win credited | $13.33 | $13.33 | PASS |
| B | Lay | 5/9 | Net bankroll delta | $12.33 | $12.33 | PASS |

## Pressing
| Mode | Bet | Family | Scenario | Observed | Expected | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | Second increment | $20.00 | $20.00 | PASS |
| A | Buy | 5/9 | Second increment | $20.00 | $20.00 | PASS |
| A | Lay | 4/10 | Second increment | $20.00 | $20.00 | PASS |
| A | Lay | 5/9 | Second increment | $20.00 | $20.00 | PASS |
| B | Buy | 4/10 | Second increment | $21.00 | $21.00 | PASS |
| B | Buy | 5/9 | Second increment | $21.00 | $21.00 | PASS |
| B | Lay | 4/10 | Second increment | $21.00 | $21.00 | PASS |
| B | Lay | 5/9 | Second increment | $21.00 | $21.00 | PASS |

## Removal / Refund
| Mode | Bet | Family | Scenario | Observed | Expected | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | Pull bet | $0.00 | $-0.00 | PASS |
| A | Buy | 5/9 | Pull bet | $0.00 | $-0.00 | PASS |
| A | Lay | 4/10 | Pull bet | $0.00 | $-0.00 | PASS |
| A | Lay | 5/9 | Pull bet | $0.00 | $-0.00 | PASS |
| B | Buy | 4/10 | Pull bet | $-1.00 | $-1.00 | PASS |
| B | Buy | 5/9 | Pull bet | $-1.00 | $-1.00 | PASS |
| B | Lay | 4/10 | Pull bet | $-1.00 | $-1.00 | PASS |
| B | Lay | 5/9 | Pull bet | $-1.00 | $-1.00 | PASS |

## Timing / Legality
| Mode | Bet | Family | Scenario | Observed | Expected | Result |
| --- | --- | --- | --- | --- | --- | --- |
| A | Buy | 4/10 | Illegal timing | Not tested | API not available | N/A |
| A | Buy | 5/9 | Illegal timing | Not tested | API not available | N/A |
| A | Lay | 4/10 | Illegal timing | Not tested | API not available | N/A |
| A | Lay | 5/9 | Illegal timing | Not tested | API not available | N/A |
| B | Buy | 4/10 | Illegal timing | Not tested | API not available | N/A |
| B | Buy | 5/9 | Illegal timing | Not tested | API not available | N/A |
| B | Lay | 4/10 | Illegal timing | Not tested | API not available | N/A |
| B | Lay | 5/9 | Illegal timing | Not tested | API not available | N/A |

## Method
- Modes: A (vig on win), B (vig upfront).
- Bankroll $100.00, wager increment $20.00.
- Dice outcomes forced via deterministic map.
- Tolerance: ±0.01.
- No engine code modified; audit relies on public Table/Bet APIs.

## Appendix
category,mode,bet,family,scenario,observed,expected,result
Affordability,A,Buy,4/10,Placement capacity,first=$20.00; max=5; end=$0.00,first=$20.00; max=5; end=$0.00,PASS
Affordability,A,Buy,5/9,Placement capacity,first=$20.00; max=5; end=$0.00,first=$20.00; max=5; end=$0.00,PASS
Affordability,A,Lay,4/10,Placement capacity,first=$20.00; max=5; end=$0.00,first=$20.00; max=5; end=$0.00,PASS
Affordability,A,Lay,5/9,Placement capacity,first=$20.00; max=5; end=$0.00,first=$20.00; max=5; end=$0.00,PASS
Affordability,B,Buy,4/10,Placement capacity,first=$21.00; max=4; end=$16.00,first=$21.00; max=4; end=$16.00,PASS
Affordability,B,Buy,5/9,Placement capacity,first=$21.00; max=4; end=$16.00,first=$21.00; max=4; end=$16.00,PASS
Affordability,B,Lay,4/10,Placement capacity,first=$21.00; max=4; end=$16.00,first=$21.00; max=4; end=$16.00,PASS
Affordability,B,Lay,5/9,Placement capacity,first=$21.00; max=4; end=$16.00,first=$21.00; max=4; end=$16.00,PASS
Loss,A,Buy,4/10,Loss resolution,$-20.00,$-20.00,PASS
Loss,A,Buy,5/9,Loss resolution,$-20.00,$-20.00,PASS
Loss,A,Lay,4/10,Loss resolution,$-20.00,$-20.00,PASS
Loss,A,Lay,5/9,Loss resolution,$-20.00,$-20.00,PASS
Loss,B,Buy,4/10,Loss resolution,$-21.00,$-21.00,PASS
Loss,B,Buy,5/9,Loss resolution,$-21.00,$-21.00,PASS
Loss,B,Lay,4/10,Loss resolution,$-21.00,$-21.00,PASS
Loss,B,Lay,5/9,Loss resolution,$-21.00,$-21.00,PASS
Win,A,Buy,4/10,Raw win credited,$38.00,$38.00,PASS
Win,A,Buy,4/10,Net bankroll delta,$38.00,$38.00,PASS
Win,A,Buy,5/9,Raw win credited,$28.50,$28.50,PASS
Win,A,Buy,5/9,Net bankroll delta,$28.50,$28.50,PASS
Win,A,Lay,4/10,Raw win credited,$9.50,$9.50,PASS
Win,A,Lay,4/10,Net bankroll delta,$9.50,$9.50,PASS
Win,A,Lay,5/9,Raw win credited,$12.67,$12.67,PASS
Win,A,Lay,5/9,Net bankroll delta,$12.67,$12.67,PASS
Win,B,Buy,4/10,Raw win credited,$40.00,$40.00,PASS
Win,B,Buy,4/10,Net bankroll delta,$39.00,$39.00,PASS
Win,B,Buy,5/9,Raw win credited,$30.00,$30.00,PASS
Win,B,Buy,5/9,Net bankroll delta,$29.00,$29.00,PASS
Win,B,Lay,4/10,Raw win credited,$10.00,$10.00,PASS
Win,B,Lay,4/10,Net bankroll delta,$9.00,$9.00,PASS
Win,B,Lay,5/9,Raw win credited,$13.33,$13.33,PASS
Win,B,Lay,5/9,Net bankroll delta,$12.33,$12.33,PASS
Press,A,Buy,4/10,Second increment,$20.00,$20.00,PASS
Press,A,Buy,5/9,Second increment,$20.00,$20.00,PASS
Press,A,Lay,4/10,Second increment,$20.00,$20.00,PASS
Press,A,Lay,5/9,Second increment,$20.00,$20.00,PASS
Press,B,Buy,4/10,Second increment,$21.00,$21.00,PASS
Press,B,Buy,5/9,Second increment,$21.00,$21.00,PASS
Press,B,Lay,4/10,Second increment,$21.00,$21.00,PASS
Press,B,Lay,5/9,Second increment,$21.00,$21.00,PASS
Removal,A,Buy,4/10,Pull bet,$0.00,$-0.00,PASS
Removal,A,Buy,5/9,Pull bet,$0.00,$-0.00,PASS
Removal,A,Lay,4/10,Pull bet,$0.00,$-0.00,PASS
Removal,A,Lay,5/9,Pull bet,$0.00,$-0.00,PASS
Removal,B,Buy,4/10,Pull bet,$-1.00,$-1.00,PASS
Removal,B,Buy,5/9,Pull bet,$-1.00,$-1.00,PASS
Removal,B,Lay,4/10,Pull bet,$-1.00,$-1.00,PASS
Removal,B,Lay,5/9,Pull bet,$-1.00,$-1.00,PASS
Timing,A,Buy,4/10,Illegal timing,Not tested,API not available,N/A
Timing,A,Buy,5/9,Illegal timing,Not tested,API not available,N/A
Timing,A,Lay,4/10,Illegal timing,Not tested,API not available,N/A
Timing,A,Lay,5/9,Illegal timing,Not tested,API not available,N/A
Timing,B,Buy,4/10,Illegal timing,Not tested,API not available,N/A
Timing,B,Buy,5/9,Illegal timing,Not tested,API not available,N/A
Timing,B,Lay,4/10,Illegal timing,Not tested,API not available,N/A
Timing,B,Lay,5/9,Illegal timing,Not tested,API not available,N/A
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