kert 589b8338ef fix(pfs): since = earliest evidence; derived families get no synonyms (refs F3 F5) ...

`since` used to take cpt_since unconditionally, so a code first ingested
in the 2019 CPT edition read `since=2019` even when the RVU/FR record
shows it created years earlier (99490, CY2015). Now `since =
min(cpt_since, appeared-event year)` when an appeared event exists —
cpt_since is only the earliest *ingested* edition, not proof the code
didn't exist before that.

Derived (non-hand) families used to get `(key.lower(), name.lower())`
as synonyms, turning ~1,334 one/two-word CPT heading names ("Repair",
"Excision") into chat triggers and costing detect_codes 0.50s/call at
8.5k families. Derived families now get an empty synonym tuple; hand
families are unaffected. Matching a derived family by name is #699's
job (a precompiled alternation).

2026-09-09 20:56:51 -04:00

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