Re-enable cursor profile after model-auto root-cause fix (#649)

Root cause: DM executor did not pass --model auto to cursor-agent
(cursor fell back to a quota-limited model); fixed by PR #644.
Owner-authored config change (13f677d); CI all success on 13f677d.

AGENT-EXECUTION.md

@@ -50,11 +50,11 @@ profiles:
     adapter: cursor
     executable: cursor-agent-stable
     model: auto
-    # Disabled 2026-10-20 by owner decision (task feature/docker-test-image,
-    # option 1): Cursor Ultra monthly usage cap exhausted — every dispatch
-    # dies with ActionRequiredError; limits reset 2026-11-10. Re-enable
-    # (enabled: true) after the cycle resets.
-    enabled: false
+    # Re-enabled 2026-10-20: the earlier disable was based on a misreading
+    # of ActionRequiredError — the real cause was the DM executor not
+    # passing --model auto (cursor fell back to a quota-limited model).
+    # Fixed by PR #644 (deps/development-manager pin); quota itself is fine.
+    enabled: true
 
   antigravity:
     adapter: antigravity