Replaces hand-rolled `erpFetch` + `encodeURIComponent(JSON.stringify(...))`
URL building with a structured wrapper: erp.get/list/listRaw/create/update/
remove/getMany/hydrateLabels/raw.
Key wins:
- erp.list auto-retries up to 5 times when v16 rejects a fetched/linked
field with "Field not permitted in query" — the field is dropped and the
call continues, so callers don't have to know which fields v16 allows.
- erp.hydrateLabels batches link-label resolution (customer_name,
service_location_name, …) in one query per link field — no N+1, no
v16 breakage.
- Consistent {ok, error, status} shape for mutations.
Migrated call sites:
- otp.js: Customer email lookup + verifyOTP customer detail fetch +
Contact email fallback + Service Location listing
- referral.js: Referral Credit fetch / update / generate
- tech-absence-sms.js: lookupTechByPhone, set/clear absence
- conversation.js: Issue archive create
- magic-link.js: Tech lookup for /refresh
- ical.js: Tech lookup + jobs listing for iCal feed
- tech-mobile.js: 13 erpFetch sites → erp wrapper
Remaining erpFetch callers (dispatch.js, acceptance.js, payments.js,
contracts.js, checkout.js, …) deliberately left untouched this pass —
they each have 10+ sites and need individual smoke-tests.
Live-tested against production ERPNext: tech-mobile page renders 54K
bytes, no runtime errors in targo-hub logs post-restart.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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