Cache ANAF pe ISTORIC_CODURI_FISCALE: verificare din memorie, plasa la tacere ANAF

Verificarile de partener nu mai depind exclusiv de raspunsul ANAF: se citeste
intai cache-ul din ISTORIC_CODURI_FISCALE (mutat in CONTAFIN_ORACLE), cu
provenienta afisata pe ecrane (sursa / data_sursa) si cu plasa de siguranta
cand ANAF tace. Ordinea cache/ANAF e configurabila; cache-ul expira.

- programe/validare.prg: verificare single si pe loturi peste cache, contract
  404 separat de caderea de serviciu, expirarea cache-ului, corectii la
  verdictul pe firma si la etichetarea CACHE_INDISP.
- programe/ocautare.prg: plasa de siguranta si banda de provenienta la cautarea
  de partener.
- programe/oproceduri_comune.prg: VERIFICA_RTVAI_DATA citeste si cache-ul.
- clase/overificari.vc2: propagarea provenientei in interfata.
- utile/Teste/: harness-uri de testare headless - echivalenta cache/ANAF pe 200
  de coduri reale, marginile pe inactiv si TVA la incasare, mock batch ANAF,
  baseline D394 si sondele de diagnostic ANAF.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JCzVWfqscv1xyo5uvJiWiW

utile/Teste/cache_anaf/codes_200_reale.txt

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