claim(drone): M2 — CI build #506 L5; !testme via bridge; SCM test PASS

Build #506, event=custom (bridge-triggered !testme on recipe-maintainers/drone PR #1):
- deploy-count=2/2 (DG4.1 PASS), level=5
- install+upgrade+custom+lint all PASS
- test_login_redirects_to_gitea_dep PASS (dep gitea @ gite-4c9694; correct client_id)
- upgrade path: 1.8.0+2.25.0 → 1.9.0+2.26.0 ✓
- backup/restore: intentional skip (not backup-capable, per PARITY.md)
- clean_teardown=true, no_secret_leak=true

ADVERSARY-INBOX-drone.md written requesting M2 PASS verdict.
Screenshot: machine-docs/screenshots/drone-m2-build506.png

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

machine-docs/BACKLOG-drone.md

@@ -21,18 +21,18 @@ _(Builder's section — Adversary read-only)_
 - [x] Create `tests/drone/PARITY.md`
 - [x] Write unit tests for new harness surface (10/10 pass)
 - [x] Harness run 5 GREEN — deploy-count 2/2 (DG4.1 PASS), level=5, install+upgrade+custom PASS
-- [ ] Claim M1 (Adversary to verify ADV-drone-02 fix + M1 evidence)
+- [x] Claim M1 — Adversary PASS @2026-06-11T22:22Z (commit `3de5925`)
 
 ### M2 tasks (after M1 PASS)
 
-- [ ] Mirror drone + gitea on git.autonomic.zone (for !testme CI path)
-- [ ] Open !testme PR for drone recipe
-- [ ] CI run via !testme on drone PR — full lifecycle green
-- [ ] Screenshot real + visually verified
-- [ ] Level recorded
-- [ ] DEFERRED updated (build-creation gap narrowed + signed off)
-- [ ] Operator summary written
-- [ ] Claim M2
+- [x] Mirror drone + gitea on git.autonomic.zone (for !testme CI path)
+- [x] Open !testme PR for drone recipe — PR #1 `testme-1.9.0-cc-ci` @ recipe-maintainers/drone
+- [x] CI run via !testme on drone PR — build #506, event=custom, level=5, all tiers PASS
+- [x] Screenshot real + visually verified — `machine-docs/screenshots/drone-m2-build506.png`
+- [x] Level recorded — level=5
+- [ ] DEFERRED updated (build-creation gap narrowed + signed off by Adversary)
+- [x] Operator summary written — see STATUS-drone.md ## M2 CLAIMED
+- [ ] Claim M2 (Adversary to verify CI build #506 + M2 evidence)
 
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