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

.github/skills/gh-issue-replier/SKILL.md

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+---
+name: gh-issue-replier
+description: Professional English replier for GitHub issues. Use when a task is completed, a bug is fixed, or more info is needed from the user. Automates replying using the 'gh' CLI tool.
+---
+
+# Gh Issue Replier
+
+## Overview
+
+The `gh-issue-replier` skill enables Gemini CLI to interact with GitHub issues professionally. It enforces English for all communications and leverages the `gh` CLI to post comments.
+
+## Workflow
+
+1.  **Identify the Issue**: Find the issue number (e.g., #49).
+2.  **Check Star Status**: Run the bundled script to check if the author has starred the repo.
+    *   Command: `bash scripts/check_star.sh <issue-number>`
+    *   Interpretation: 
+        *   Exit code **0**: User has starred. Use "Already Starred" templates.
+        *   Exit code **1**: User has NOT starred. Include "Star Request" in the reply.
+3.  **Select a Template**: Load [templates.md](references/templates.md) to choose a suitable English response pattern.
+4.  **Draft the Reply**: Compose a concise message based on the star status.
+5.  **Post the Comment**: Use the `gh` tool to submit the reply.
+
+## Tool Integration
+
+### Check Star Status
+```bash
+bash scripts/check_star.sh <issue-number>
+```
+
+### Post Comment
+```bash
+gh issue comment <issue-number> --body "<message-body>"
+```
+
+Example (if user has NOT starred):
+```bash
+gh issue comment 49 --body "This has been fixed in v1.2.7. If you find this helpful, a star on the repo would be much appreciated! ⭐"
+```
+
+Example (if user HAS starred):
+```bash
+gh issue comment 49 --body "This has been fixed in v1.2.7. Thanks for your support!"
+```
+
+## Guidelines
+
+-   **Language**: ALWAYS use English for the comment body, even if the system prompt or user conversation is in another language.
+-   **Tone**: Professional, helpful, and appreciative.
+-   **Precision**: When announcing a fix, mention the specific version or the logic change (e.g., "Updated regex pattern").
+-   **Closing**: If the issue is resolved and you have permission, you can also use `gh issue close <number>`.

.github/skills/gh-issue-replier/references/example_reference.md

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+# Reference Documentation for Gh Issue Replier
+
+This is a placeholder for detailed reference documentation.
+Replace with actual reference content or delete if not needed.
+
+## Structure Suggestions
+
+### API Reference Example
+- Overview
+- Authentication
+- Endpoints with examples
+- Error codes
+
+### Workflow Guide Example
+- Prerequisites
+- Step-by-step instructions
+- Best practices

.github/skills/gh-issue-replier/references/templates.md

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+# Issue Reply Templates
+
+Use these templates to craft professional English replies. Adjust placeholders like `@username`, `v1.2.x`, and `[commit hash]` as needed.
+
+## 1. Acknowledging a New Issue
+Use when you first see an issue and want to let the user know you are working on it.
+
+- "Thank you for reporting this! I'm looking into it right now."
+- "Thanks for bringing this to my attention. I'll try to reproduce this behavior and get back to you shortly."
+
+## 2. Requesting More Information
+Use when you need logs or specific details to fix the bug.
+
+- "Could you please provide the **'Original'** vs **'Normalized'** content from your browser console logs (F12)? It would help a lot in debugging."
+- "It would be very helpful if you could share the specific Markdown text that triggered this issue."
+
+## 3. Announcing a Fix
+Use when you have pushed the fix to the repository.
+
+- "This has been fixed in version **v1.2.x**. You can update the plugin to resolve it."
+- "I've just pushed a fix for this in [commit hash]. Please let me know if it works for you after updating."
+- "The issue was caused by a greedy regex pattern. I've updated it to use a tempered greedy token to prevent incorrect merging."
+
+## 4. Guiding to Official Market
+Always provide the official market link to ensure the user gets the latest verified version.
+
+- "The fix is now live! You can download the latest version from the official OpenWebUI Community page here: [Plugin Market Link]. Simply update the function in your OpenWebUI instance to apply the changes."
+- "I recommend getting the updated version from the official store: [Link]. It includes the fix for the spacing issue we discussed."
+
+## 5. Closing the Issue
+Use when the issue is confirmed resolved.
+
+- "Glad to hear it's working now! Closing this for now. Feel free to reopen it if the problem persists."
+- "Since this is resolved, I'm closing this issue. Thanks again for your feedback!"
+
+## 5. Pro-tip: Star Request
+Gently handle star requests based on the user's current status.
+
+### If User has NOT starred:
+- "If you find this plugin helpful, a star on the repo would be much appreciated! ⭐"
+- "We'd love your support! If this fixed your issue, please consider starring the repository. ⭐"
+
+### If User HAS already starred:
+- "Thanks again for starring the project and for your continuous support!"
+- "I appreciate your support and for being a stargazer of this project!"

.github/skills/gh-issue-replier/scripts/check_star.sh

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+#!/usr/bin/env bash
+
+# Robust Star Checker v2
+# Usage: ./check_star.sh <issue_number>
+
+ISSUE_NUM=$1
+if [ -z "$ISSUE_NUM" ]; then exit 2; fi
+
+# 1. Get Repo and Author info
+REPO_FULL=$(gh repo view --json owner,name -q ".owner.login + \"/\" + .name")
+USER_LOGIN=$(gh issue view "$ISSUE_NUM" --json author -q ".author.login")
+
+# 2. Use GraphQL for high precision (Detects stars even when REST 404s)
+IS_STARRED=$(gh api graphql -f query='
+query($owner:String!, $repo:String!, $user:String!) {
+  repository(owner:$owner, name:$repo) {
+    stargazers(query:$user, first:1) {
+      nodes {
+        login
+      }
+    }
+  }
+}' -f owner="${REPO_FULL%/*}" -f repo="${REPO_FULL#*/}" -f user="$USER_LOGIN" -q ".data.repository.stargazers.nodes[0].login")
+
+if [ "$IS_STARRED" == "$USER_LOGIN" ]; then
+    echo "Confirmed: @$USER_LOGIN HAS starred $REPO_FULL. ⭐"
+    exit 0
+else
+    echo "Confirmed: @$USER_LOGIN has NOT starred $REPO_FULL."
+    exit 1
+fi