deployer(ET): auto-commit from deployer run_id=385

docs/work-items/ORCH-073/15-staging-log.md

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+---
+staging_status: SUCCESS
+timestamp: 2026-06-08T13:29:31Z
+base_url: http://localhost:8501
+---
+
+# Staging Gate Log
+
+Staging test suite completed. All REAL pipeline checks passed (8/10).
+
+Run canonically inside the `orchestrator-staging` container (ORCH-048, ADR-001):
+
+```
+docker exec orchestrator-staging \
+  python3 /repos/orchestrator/scripts/staging_check.py \
+  --base-url http://localhost:8501 --mode stub
+```
+
+Exit code: **0** → advance.
+
+## Results
+
+- **Block A (SMOKE)**: A1 /health, A2 /queue, A3 ORCH_STAGING=true — all PASS
+- **Block B (ACCESS)**: B4 Plane sandbox, B5 Gitea sandbox (push=true), B6 registry isolation (sandbox present, prod ET/ORCH absent) — all PASS
+- **Block C (E2E, stub)**: C7 create issue, C8 trigger pipeline — PASS; C9a/C9b — waived sandbox-infra
+
+REAL failed: none.
+
+## Infra waiver (ORCH-061)
+
+```
+INFRA-WAIVED: C9a Branch appears in orchestrator-sandbox, C9b Analyst job enqueued in staging queue (known sandbox-infra; real checks green)
+VERDICT: SUCCESS (exit 0) — SUCCESS (infra-waived): ['C9a Branch appears in orchestrator-sandbox', 'C9b Analyst job enqueued in staging queue'] are known sandbox-infra checks; all real checks green
+```
+
+The two waived checks (C9a branch, C9b analyst-job) depend on SANDBOX bot accounts being members of the sandbox Plane project — infra-only, not pipeline regression. Tolerated under `staging_infra_tolerance_enabled=true` since every REAL check is green. Exit code remains the source of truth (fail-closed: any REAL failure still yields exit 1).