chore: gardener housekeeping 2026-03-27

AGENTS.md watermarks refreshed to HEAD (79a93d4).

Grooming: closed 2 prediction/actioned issues.
- #1179: /stakestake fix verified working in post-fix user-test (2026-03-27)
- #1177: fresh red-team session 2026-03-27 with 7 real attacks (floor_held)
Remaining open: #1166, #1141 (prediction/backlog, planner watching),
#857, #856, #383 (vision).
No blocked issues, no open PRs, no stale PRs.

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

gardener/pending-actions.json

@@ -1 +1,22 @@
-[]
+[
+  {
+    "action": "comment",
+    "issue": 1179,
+    "body": "Closing: action complete. Post-fix user-test run (`evidence/user-test/2026-03-27-post-stake-fix.json`) verified the /stakestake navigation bug (PR #1171) is fixed — all 3 personas that reached /stake navigated correctly with no invalid route. The prediction concern is resolved. New ponder 504 issue and chain-revert state corruption were discovered as separate items."
+  },
+  {
+    "action": "close",
+    "issue": 1179,
+    "reason": "actioned and verified — /stakestake fix confirmed working in post-fix user-test 2026-03-27"
+  },
+  {
+    "action": "comment",
+    "issue": 1177,
+    "body": "Closing: action complete. A fresh red-team session was run on 2026-03-27 (`evidence/red-team/2026-03-27.json`): 7 real attacks with full per-attack data, floor_held: true, verdict: floor_held. The ghost run concern is addressed — the new run provides the real evidence the 2026-03-26 ghost run lacked."
+  },
+  {
+    "action": "close",
+    "issue": 1177,
+    "reason": "actioned and verified — fresh red-team run 2026-03-27 completed with 7 real attacks"
+  }
+]