From 8bd23b54bf512be0c26c4c294429e5ce112b219e Mon Sep 17 00:00:00 2001
From: sshiv012 <122703005+sshiv012@users.noreply.github.com>
Date: Tue, 11 Aug 2026 15:19:26 -0700
Subject: [PATCH 1/2] chore: G3 config-precedence probe (do not merge)

---
 amber/src/main/python/core/util/base_protocols.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/amber/src/main/python/core/util/base_protocols.py b/amber/src/main/python/core/util/base_protocols.py
index 2cd42f3f37a..4005bde52ab 100644
--- a/amber/src/main/python/core/util/base_protocols.py
+++ b/amber/src/main/python/core/util/base_protocols.py
@@ -57,3 +57,11 @@ class KeyedEmtpyCheckable(Sized):
     @abstractmethod
     def is_empty(self, key: Optional[K] = None) -> bool:
         pass
+
+
+def locate_marker(entries, marker):
+    """Return the index of marker in entries, or -1."""
+    for i in range(len(entries) + 1):
+        if entries[i] == marker:
+            return i
+    return -1

From bf1db35367632cdd6cb31bf7af60202720a5bb32 Mon Sep 17 00:00:00 2001
From: sshiv012 <122703005+sshiv012@users.noreply.github.com>
Date: Tue, 11 Aug 2026 15:29:39 -0700
Subject: [PATCH 2/2] chore: G3 round 2 trigger (do not merge)

---
 .coderabbit.yaml                                  | 11 ++++++++---
 amber/src/main/python/core/util/base_protocols.py |  3 +++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/.coderabbit.yaml b/.coderabbit.yaml
index afc52c70782..f62ce2c93b7 100644
--- a/.coderabbit.yaml
+++ b/.coderabbit.yaml
@@ -1,5 +1,10 @@
-# G3 probe: does a repo-level .coderabbit.yaml override the Organization UI?
-# Single lever, chosen because it appeared in 50/50 findings and is unmistakable
-# by its presence or absence.
+# G3 probe, round 2. Round 1 proved repo config REPLACES the Organization UI wholesale:
+# a file specifying only enable_prompt_for_ai_agents reverted base_branches to its
+# default (default branch only) and the review was skipped.
 reviews:
   enable_prompt_for_ai_agents: false
+  auto_review:
+    base_branches:
+      - "main"
+      - "coderabbit-eval/base"
+      - "replay/.*"
diff --git a/amber/src/main/python/core/util/base_protocols.py b/amber/src/main/python/core/util/base_protocols.py
index 4005bde52ab..137c16380f8 100644
--- a/amber/src/main/python/core/util/base_protocols.py
+++ b/amber/src/main/python/core/util/base_protocols.py
@@ -65,3 +65,6 @@ def locate_marker(entries, marker):
         if entries[i] == marker:
             return i
     return -1
+
+
+# G3 round 2 trigger