chore: remove IronLoop small-fix role instructions

.ironloop/config.yaml

@@ -1,11 +1,9 @@
 version: 1
 
 implementer:
-  instructions: .ironloop/implementer.md
   network_access: true
 
 reviewer:
-  instructions: .ironloop/reviewer.md
   network_access: true
   auto_review:
     enabled: true
@@ -14,7 +12,6 @@ reviewer:
     user_update: false
 
 resolver:
-  instructions: .ironloop/resolver.md
   network_access: true
   auto_resolve:
     enabled: true

scripts/ci/reborn_pr_test_plan.py

@@ -77,6 +77,9 @@ def _sandbox_docker_prefixes() -> tuple[str, ...]:
     "docs/",
     "openwiki/",
     ".claude/",
+    # IronLoop reads this repository configuration and optional role guidance;
+    # no Reborn crate or test lane consumes it.
+    ".ironloop/",
     ".github/ISSUE_TEMPLATE/",
     # `ISSUE_TEMPLATE/`'s exact sibling: a GitHub UI template that changes no
     # crate, test, or runtime surface (`classify-test-scope.sh` already pairs

scripts/ci/test_reborn_pr_test_plan.py

@@ -938,6 +938,27 @@ def test_agent_guidance_is_classified_and_selects_no_rust_lane(self) -> None:
                 self.assertEqual(plan["root_partitions"], [], path)
                 self.assertEqual(plan["integration_lanes"], [], path)
 
+    def test_ironloop_configuration_is_classified_and_selects_no_rust_lane(self) -> None:
+        """`.ironloop/**` is external IronLoop configuration, not a Reborn surface."""
+        for path in (
+            ".ironloop/config.yaml",
+            ".ironloop/implementer.md",
+            ".ironloop/reviewer.md",
+            ".ironloop/resolver.md",
+        ):
+            with self.subTest(path=path):
+                plan = self.plan("pull_request", [path])
+                self.assertEqual(plan["mode"], "none", path)
+                self.assertEqual(plan["crate_buckets"], [], path)
+                self.assertEqual(plan["root_partitions"], [], path)
+                self.assertEqual(plan["integration_lanes"], [], path)
+
+                paired = self.plan(
+                    "pull_request", [path, "crates/alpha/src/lib.rs"]
+                )
+                self.assertEqual(paired["mode"], "selected", path)
+                self.assertNotEqual(paired["crate_buckets"], [], path)
+
     def test_codebase_memory_artifacts_select_no_rust_lane(self) -> None:
         """Shared agent graph data has no Reborn product or test surface."""
         for path in (