From 02b3d68c74ba5a5e56f90e694a2a82a14d5e5dfe Mon Sep 17 00:00:00 2001
From: Peter Pan <Peter.Pan@daocloud.io>
Date: Thu, 16 Apr 2026 17:24:07 +0800
Subject: [PATCH] exp: duplicate comment probe A

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 tools/dup_ci_playground/duplicate_probe.md | 5 +++++
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 create mode 100644 tools/dup_ci_playground/duplicate_probe.md

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+# Duplicate Probe
+
+This test pull request is created to validate duplicate-pr comment behavior in a personal fork.
+Signal words: similarity cache comment lifecycle overlap.
+Context: candidate pair alpha.