관리자 사용량 근거를 정교화

apps/api/engine_gateway/provider_registry.py

@@ -13,6 +13,7 @@ import shutil
 import tempfile
 import time
 from dataclasses import dataclass
+from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any, AsyncIterator, Iterable, Literal, cast
 
@@ -80,6 +81,10 @@ def _now() -> float:
     return time.time()
 
 
+def _utcnow() -> datetime:
+    return datetime.now(timezone.utc)
+
+
 def _efforts(values: Iterable[str]) -> list[ReasoningEffort]:
     allowed = set(ENGINE_REASONING_EFFORTS)
     return [cast(ReasoningEffort, value) for value in values if value in allowed]
@@ -597,6 +602,7 @@ def _structured_or_none(text: str, req: GenerateRequest) -> dict[str, Any] | Non
 async def _generate_codex(
     req: GenerateRequest, system_prompt: str, user_payload: str
 ) -> ProviderGenerateResult:
+    pricing_started_at = _utcnow()
     binary = _binary("CODEX_BIN", "codex")
     if binary is None:
         raise ProviderError("Codex CLI를 찾을 수 없습니다.")
@@ -652,6 +658,7 @@ async def _generate_codex(
         model=model,
         tokens_in=tokens_in,
         tokens_out=tokens_out,
+        priced_at=pricing_started_at,
         cached_input_tokens=cached_input_tokens,
     )
     return ProviderGenerateResult(
@@ -685,6 +692,7 @@ async def _stream_agy(
     --continue/--conversation을 쓰지 않는다. 회기 메모리는 매 요청의 마스킹된 prompt가
     소유하고, 프로세스는 응답 뒤 종료한다.
     """
+    pricing_started_at = _utcnow()
     binary = _binary("AGY_BIN", "agy")
     if binary is None:
         raise ProviderError("Agy CLI를 찾을 수 없습니다.")
@@ -781,6 +789,7 @@ async def _stream_agy(
         model=model,
         tokens_in=tokens_in,
         tokens_out=tokens_out,
+        priced_at=pricing_started_at,
         cached_input_tokens=cached_input_tokens,
     )
     yield ProviderStreamEvent(
@@ -800,6 +809,7 @@ async def _stream_agy(
 async def _generate_claude_api(
     req: GenerateRequest, system_prompt: str
 ) -> ProviderGenerateResult:
+    pricing_started_at = _utcnow()
     api_key = os.environ.get("ANTHROPIC_API_KEY", "").strip()
     if not api_key:
         raise ProviderError("ANTHROPIC_API_KEY가 설정되지 않았습니다.")
@@ -849,6 +859,7 @@ async def _generate_claude_api(
         model=str(body.get("model") or model),
         tokens_in=tokens_in,
         tokens_out=tokens_out,
+        priced_at=pricing_started_at,
         cached_input_tokens=int(usage.get("cache_read_input_tokens") or 0),
     )
     return ProviderGenerateResult(