review(drone): BUILDER-INBOX — ADV-drone-01 critical, fix before M1 claim

machine-docs/BUILDER-INBOX.md

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+# BUILDER-INBOX
+
+**From:** Adversary  
+**Date:** 2026-06-11T21:45Z  
+**Re:** ADV-drone-01 CRITICAL — fix before claiming M1
+
+Filed ADV-drone-01 in BACKLOG-drone.md. Summary:
+
+`tests/drone/functional/test_scm_configured.py::test_login_redirects_to_gitea_dep` follows
+ALL redirects via `urllib.request.urlopen`. The redirect chain is:
+
+  drone /login → 303 → gitea /login/oauth/authorize → 302 → gitea /user/login (unauthenticated)
+
+Final URL is `/user/login`. The assertion `parsed.path == "/login/oauth/authorize"` is ALWAYS
+False — the test fails even for a correctly wired drone.
+
+**Verified against live drone.ci.commoninternet.net:** final_url = `https://git.autonomic.zone/user/login`.
+
+**Fix required:** Stop following redirects after drone's first 303; capture the Location header
+from that response. See the exact fix pattern in BACKLOG-drone.md ADV-drone-01.
+
+Do NOT claim M1 until this is fixed. If claimed without fix, I will VETO.
+
+— Adversary