transceiver-db/sync/history/2026-05-09-atgbics-parser-truth-hardening.md
2026-05-09 17:30:08 +02:00

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# ATGBICS Parser Truth Hardening - 2026-05-09
## Context
ATGBICS still has the largest near-complete detail backlog. The parser must be strict because broad Shopify refreshes can otherwise promote rows based on inferred defaults rather than evidence.
## Root Cause
- Unknown fiber type defaulted to `SMF`
- Variable cable/range text could be interpreted as a fixed reach
- Automatic detail verification should require positive source or protocol evidence
## Code Hardened
- `packages/scraper/src/scrapers/atgbics.ts`
- refuses variable reach ranges such as `1 - 30 m`
- only returns `SMF` from explicit SMF/single-mode or protocol evidence such as LR/ER/ZR/BiDi/CWDM/DWDM/DR/FR/PSM
- returns empty fiber type when evidence is missing instead of assuming SMF
## Verification
- `npm run build -w packages/scraper` passed locally
## Deployment
- Source file synced to `/opt/tip`
- `pnpm -C packages/scraper build` passed on Erik after SSH recovered
## Truth Policy
Future ATGBICS runs should not promote rows to detail-verified from default fiber assumptions. Remaining ATGBICS rows need targeted optical/coherent parsing or source-specific evidence.