feat: add explicit assignees mention to issue reminder bot (#1239)

Signed-off-by: Shivakumar <[email protected]>

Author: drtoxic69

.github/scripts/bot-issue-reminder-no-pr.sh

@@ -134,8 +134,12 @@ echo "$ALL_ISSUES_JSON" | jq -c '.' | while read -r ISSUE_JSON; do
 
   echo "[REMIND] Issue #$ISSUE assigned for $DIFF_DAYS days, posting reminder."
 
-  # Post reminder comment
-  MESSAGE="Hi, this is ReminderBot. This issue has been assigned but has had no pull request created. Are you still planning on working on the issue?
+  ASSIGNEE_MENTIONS=$(echo "$ISSUE_JSON" | jq -r '.assignees[].login | "@" + .' | xargs)
+
+  MESSAGE="Hi ${ASSIGNEE_MENTIONS} 👋
+
+This issue has been assigned but no pull request has been created yet.
+Are you still planning on working on it?
 
 From the Python SDK Team"
 

CHANGELOG.md

@@ -104,6 +104,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - Refactored `examples/tokens/custom_royalty_fee.py` by splitting monolithic function custom_royalty_fee_example() into modular functions create_royalty_fee_object(), create_token_with_fee(), verify_token_fee(), and main() to improve readability, cleaned up setup_client() (#1169)
 - Added comprehensive unit tests for Timestamp class (#1158)
 - Enhance unit and integration test review instructions for clarity and coverage `.coderabbit.yaml`.
+- Issue reminder bot now explicitly mentions assignees (e.g., `@user`) in comments. ([#1232](https://github.com/hiero-ledger/hiero-sdk-python/issues/1232))
 
 
 ### Fixed