# Seat Identity Normalization Audit

## FIXLIST Item #5 - Acceptance Documentation

**Date:** 2025-09-09  
**Status:** ✅ VERIFIED - No normalization issues found

## Audit Results

### API Request → Database Consistency ✅
From structured logging analysis of multi-seat hold operations:

```json
// API Request Level (SeatController)
"seat_ids": ["B-08", "B-09", "B-10"]

// Database Query Level (SeatReservation)  
"requested_seats": ["B-08", "B-09", "B-10"]
"conflicted_seats": ["B-08", "B-09", "B-10"]

// Price Lookup Results
"price_data": {"B-08": 25, "B-09": 25, "B-10": 25}
```

### Seat ID Format Verification ✅
- **Format:** `{ROW}-{NUMBER}` with zero-padding (B-08, not B-8)
- **Consistency:** Identical across all system layers
- **No transforms found:** Direct string passthrough from API → DB

### Database Storage Verification ✅
```sql
sqlite> SELECT seat_id FROM seats WHERE event_id = 123 ORDER BY seat_id;
A-01
A-02  
B-08
B-09
B-10
```

**Storage format matches API format exactly - no normalization layer needed.**

## Conclusion

**✅ VERIFIED:** Seat identity mapping is consistent across all layers:
- UI payload → API request → DB operations → DB storage  
- No case transforms, padding changes, or hyphenation inconsistencies
- Structured logging confirms identical seat_id strings throughout request lifecycle

**Recommendation:** No changes needed. System maintains seat identity integrity correctly.