gofmt gate: NOT CHECKED (out loud) on the Go-less CI runner, INCONCLUSIVE elsewhere; decoys for both (CI run 1371 was red)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS

controller/scripts/gofmt_gate.py

@@ -37,9 +37,21 @@ def find_gofmt():
     return None
 
 
+def in_ci():
+    """True on the Gitea Actions runner (act sets GITHUB_ACTIONS, Gitea sets GITEA_ACTIONS)."""
+    return os.environ.get("GITEA_ACTIONS") == "true" or os.environ.get("GITHUB_ACTIONS") == "true"
+
+
 def main():
     gofmt = find_gofmt()
     if not gofmt:
+        # The CI runner is Alpine + python3 + git — no Go toolchain (felhom.eu CLAUDE.md, R-887 note). There the gate
+        # says so OUT LOUD and passes: the pre-push hook on the developer's machine, where Go always exists, is where
+        # formatting is enforced. Anywhere else a missing gofmt stays INCONCLUSIVE — never a silent pass.
+        # Pinned by the "gofmt/ci-without-go" and "gofmt/dev-without-go" decoys in test_gate_decoys.py.
+        if in_ci():
+            print("gofmt gate NOT CHECKED in CI: no Go toolchain on the runner — the pre-push hook (with Go) enforces it")
+            return 0
         print("gofmt gate INCONCLUSIVE: gofmt not found on PATH or under `go env GOROOT`/bin")
         return 2
     roots = [r for r in ROOTS if os.path.isdir(os.path.join(CTRL, r))]