The delivery backbone: one pasted script tag discovers its sub-account, fetches the whole config in 5 parallel queries, applies ten features, survives SPA navigation, and can never break a client's CRM.
Every feature in the suite ships through one constraint: agencies can paste one script tag into GHL's custom code box — at agency level only. That single tag must discover which sub-account it's running in, fetch the right config, apply ten independent features, survive GHL's SPA navigation, and never, ever break a client's CRM.
One loader, one request, aggressive caching, and fail-open safety at every layer:
One tag resolves the company from GHL itself and the active location from the URL, then calls a clean JSON config API — re-fetching automatically when the user switches locations.
A shared scope resolver fetches the location/group/plan/global documents once (5 parallel queries, down from ~24 sequential) and every feature resolves against the same bundle.
Compiled CSS is LRU-cached and ETag-revalidated; language packs cache independently for a week; every save bumps a version that busts exactly the right keys.
Invalid IDs return CSS comments, unknown packs return no-op JS, DB outages serve an in-memory default theme. Each of the ten appliers is exception-isolated — one throwing can never stop the next.
Every applier follows the same contract: ES5, self-contained, idempotent, reversible on null, and silent on error. Hard rules enforced across the codebase — every write passes a sanitizer, only repositories touch models, and every document write bumps a version, the invariant the entire caching layer hangs on.
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