Frozen questions: 50; trades: 10; planned observations: 200
Saved records: 200; answered: 197
| Engine | Answered | Blocked | Failed | No Overview | Missing | No business / answered |
| --- | ---: | ---: | ---: | ---: | ---: | --- |
| ChatGPT | 50 | 0 | 0 | 0 | 0 | 0/50 |
| Google AI Mode | 49 | 0 | 1 | 0 | 0 | 0/49 |
| Google AI Overviews | 48 | 0 | 0 | 2 | 0 | 0/48 |
| Perplexity | 50 | 0 | 0 | 0 | 0 | 3/50 |
Four-engine paired answers: 47; questions sharing a business across all four: 6/47
Record validation: PASS (frozen prompt, hash, status, answer, name substrings, raw evidence, duplicate keys)
Collection completeness: PASS
