chore(skills): sync .gemini and .github skills and fix i18n validator

.github/skills/gh-issue-scheduler/scripts/find_unanswered.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+# Fetch all open issues and filter for those without responses from the owner/collaborators.
+# Uses 'gh' CLI.
+
+REPO_FULL=$(gh repo view --json owner,name -q ".owner.login + "/" + .name")
+OWNER=${REPO_FULL%/*}
+
+# 1. Get all open issues
+OPEN_ISSUES=$(gh issue list --state open --json number,title,author,createdAt --limit 100)
+
+echo "Analysis for repository: $REPO_FULL"
+echo "------------------------------------"
+
+# Process each issue
+echo "$OPEN_ISSUES" | jq -c '.[]' | while read -r issue; do
+    NUMBER=$(echo "$issue" | jq -r '.number')
+    TITLE=$(echo "$issue" | jq -r '.title')
+    AUTHOR=$(echo "$issue" | jq -r '.author.login')
+    
+    # Check comments for owner responses
+    # We look for comments where the author is the repo owner
+    COMMENTS=$(gh issue view "$NUMBER" --json comments -q ".comments[].author.login" 2>/dev/null)
+    
+    HAS_OWNER_REPLY=false
+    for COMMENT_AUTHOR in $COMMENTS; do
+        if [ "$COMMENT_AUTHOR" == "$OWNER" ]; then
+            HAS_OWNER_REPLY=true
+            break
+        fi
+    done
+    
+    if [ "$HAS_OWNER_REPLY" == "false" ]; then
+        echo "ISSUE_START"
+        echo "ID: $NUMBER"
+        echo "Title: $TITLE"
+        echo "Author: $AUTHOR"
+        echo "Description:"
+        gh issue view "$NUMBER" --json body -q ".body"
+        echo "ISSUE_END"
+    fi
+done