Server/new-api

Аутор	SHA1 Порука	Датум
CaIon	5c4ed5be99 fix(billing): use tieredQuota fallback in composeTieredTextQuota error path	пре 2 недеља
yyhhyyyyyy	1fe9f6f989 fix(billing): preserve text tool surcharges in tiered settlement	пре 1 месец
Seefs	d4a470a638 fix: restore pre-3400 OpenRouter billing semantics	пре 1 месец
Seefs	9f61407bf0 fix: restore pre-3400 OpenRouter billing semantics	пре 1 месец
Seefs	9ecad90652 refactor: optimize billing flow for OpenAI-to-Anthropic convert	пре 1 месец