docs(rca): note RCA fixes are proposals requiring explicit approval

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: gaurav-singh-9227

README.md

@@ -85,6 +85,8 @@ Similar to the app testing, you can use the following prompts to test your **web
 Auto-analyze, diagnose, and even fix broken test scripts right in your IDE or LLM. Instantly fetch logs, identify root causes, and apply context-aware fixes. No more debugging loops.
 Below are few example prompts to run/debug/fix your automated tests on BrowserStack's [Test Platform](https://www.browserstack.com/test-platform).
 
+> **Note:** When fetching Root Cause Analysis (RCA) for a test, the server returns the suggested fix as a proposal only. It never applies code changes automatically — your assistant must present the suggestion and wait for your explicit approval before editing any files.
+
 ```bash
 #Port test suite to BrowserStack
 "Setup test suite to run on BrowserStack infra"