From e344c793ad3665f7e18274b26fda7ccc0e837640 Mon Sep 17 00:00:00 2001
From: Henry Mercer <henrymercer@github.com>
Date: Fri, 16 Oct 2026 15:28:39 +0100
Subject: [PATCH] Document TRAP caching default with improved incremental
 analysis

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 init/action.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/init/action.yml b/init/action.yml
index 5b3ab0a1e..8d26999f7 100644
--- a/init/action.yml
+++ b/init/action.yml
@@ -154,6 +154,9 @@ inputs:
   trap-caching:
     description: >-
       Explicitly enable or disable TRAP caching instead of using the automatically determined default.
+      TRAP caching is disabled by default when improved incremental analysis is enabled,
+      because improved incremental analysis of a pull request only extracts changed files,
+      which rarely benefit from TRAP caching.
     required: false
   dependency-caching:
     description: >-