WBS-7.3: GAS→Python 마이그레이션 5개 항목 완료 (F14, F02-F06)

- F14: late_chase_risk_score 검증
  * GAS가 유일한 생산처 (Python canonical 없음)
  * migration_action: KEEP_IN_GAS로 정정, status: DONE

- F02/F03/F04/F06: priceBasis 로직 포팅
  * formulas/price_basis_v1.py: select_price_basis_tier2/tier1 구현
  * tests/parity/test_price_basis_parity_v1.py: 8 parity 테스트 (모두 PASS)
  * GAS Number.isFinite() 의미론 정확히 재현 (math.isfinite 사용)
  * 모든 테스트 112/112 PASS

남은 작업 (4개):
- F05: decision_logic (action assignment)
- F07: score_logic (threshold addition)
- F10: routing decision
- F15: late_chase_gate

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

docs/SYNOLOGY_SNAPSHOT_ADMIN_EVIDENCE_TEMPLATE.md

@@ -0,0 +1,62 @@
+# Synology Snapshot Admin Evidence Template
+
+Use this template to close `WBS-7.9` after a real Synology deployment test.
+
+## Deployment metadata
+
+- NAS model:
+- DSM version:
+- Public hostname:
+- Reverse proxy rule name:
+- TLS certificate name:
+- Service launcher: `tools/run_snapshot_admin_synology.sh`
+- Python service bind mode:
+- Auth mode: `Basic Auth`
+
+## Local checks
+
+- `curl -i http://127.0.0.1:8787/api/state`
+- Result:
+- `curl -i http://127.0.0.1:8787/tables`
+- Result:
+
+## External checks
+
+- `curl -i https://<public-host>/api/state`
+- Result:
+- `curl -u '<user>:<password>' https://<public-host>/api/state`
+- Result:
+- `curl -i https://<public-host>/tables`
+- Result:
+
+## Browser checks
+
+- `https://<public-host>/`
+- Result:
+- `https://<public-host>/tables`
+- Result:
+
+## Restart persistence
+
+- Restart method used:
+- Restart time:
+- `healthcheck` result after restart:
+- Time elapsed after restart:
+
+## Evidence attachments
+
+- Screenshot: DSM reverse proxy rule
+- Screenshot: browser `/`
+- Screenshot: browser `/tables`
+- Log snippet: `Temp/snapshot_admin.log`
+- `curl` output archive:
+
+## Completion statement
+
+- `WBS-7.9` completion condition met:
+  - local endpoint `200`
+  - external unauthenticated `401`
+  - external authenticated `200`
+  - browser render verified
+  - restart persistence verified
+  - evidence archived