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_COMMIT_MESSAGE_TEMPLATE.md

@@ -0,0 +1,37 @@
+# Synology Snapshot Admin Commit Message Template
+
+Use this after a real Synology verification or a final documentation-only update.
+
+## Recommended format
+
+```text
+WBS-7.9: Synology snapshot_admin deployment POC and live verification evidence
+```
+
+## If the change is documentation-only
+
+```text
+WBS-7.9: add Synology deployment checklist, Task Scheduler commands, and evidence template
+```
+
+## If the change includes real NAS verification
+
+```text
+WBS-7.9: verify Synology snapshot_admin reverse proxy, auth gate, and restart persistence
+```
+
+## Commit body template
+
+```text
+- Added/updated Synology Task Scheduler launcher script
+- Confirmed DSM reverse proxy settings
+- Captured curl/browser evidence for local and external access
+- Documented completion evidence in WBS-7.9 checklist
+```
+
+## Suggested workflow
+
+1. Run the validation commands.
+2. Fill `docs/SYNOLOGY_SNAPSHOT_ADMIN_EVIDENCE_TEMPLATE.md`.
+3. Commit with one of the messages above.
+4. Push only after the evidence file is complete.