feat: ✨ Expand news system to cover comprehensive mobile development

[kboy-silvergym]

Summary

• 📱 Expanded the automated news system from Flutter-only to comprehensive mobile development coverage
• 🔄 Added RSS feeds for React Native, Swift/iOS, and Kotlin/Android platforms
• 🤖 Updated AI prompt to handle multi-platform mobile development news categorization
• 🏷️ Changed branding from "Flutter News" to "Mobile Development News"
• 📝 Updated workflow to generate mobile-news-*.md files instead of flutter-news-*.md

Changes Made

RSS Feed Expansion

• React Native: Official blog, community, Reddit, Qiita tags, YouTube
• Swift/iOS: Swift.org, iOS Dev Weekly, Ray Wenderlich, NSHipster, Swift by Sundell, Apple Developer, Reddit
• Kotlin/Android: Kotlin blog, Android Developers, Android Weekly, Reddit, Qiita tags

AI Prompt Enhancement

• Updated to handle multi-platform mobile development categorization
• Added platform-specific categories: "Flutter・クロスプラットフォーム開発", "React Native開発", "Swift・iOS開発", "Kotlin・Android開発"
• Enhanced content selection criteria for mobile development best practices

Workflow Updates

• Changed workflow name to "Generate Weekly Mobile Development News with AI"
• Updated branch naming from news/flutter-news-* to news/mobile-news-*
• Modified PR titles and descriptions to reflect mobile development focus
• Added "mobile" label to automated PRs

Test Plan

• Updated RSS feeds to include React Native, Swift/iOS, and Kotlin/Android sources
• Modified AI prompt for multi-platform coverage
• Updated workflow file and branding
• Committed changes and created PR
• Test workflow dispatch to verify automated news generation works

🤖 Generated with Claude Code

[claude]

Claude finished @kboy-silvergym's task —— View job

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Code Review Complete ✅

I've analyzed the PR that expands the news system from Flutter-only to comprehensive mobile development coverage. Here's my detailed review:

Review Checklist:

• Read and analyze workflow changes (.github/workflows/auto_news.yml)
• Review Python script changes (scripts/generate_article.py)
• Examine new blog post file (src/data/blog/flutter-news-20250714.md)
• Check for code quality and best practices
• Identify potential bugs or issues
• Assess performance implications
• Review security considerations
• Evaluate test coverage needs
• Provide constructive feedback and recommendations

---

🔍 Code Quality & Best Practices

✅ Strengths:

• Clean, well-structured Python code with proper error handling
• Consistent naming conventions and code organization
• Good use of environment variables for API keys
• Proper frontmatter format for Astro blog posts
• Comprehensive RSS feed collection covering major platforms

⚠️ Areas for Improvement:

• Consider adding type hints to Python functions for better maintainability
• The AI prompt in scripts/generate_article.py:140-188 is quite long and could be extracted to a separate template file

🐛 Potential Issues

🔴 Critical Issues:

1. File naming inconsistency (src/data/blog/flutter-news-20250714.md:1-91):

   • The file is named flutter-news-20250714.md but should be mobile-news-20250714.md according to the PR description
   • The content is still Flutter-focused rather than mobile development focused

2. Invalid RSS feed URL (scripts/generate_article.py:41):

   "Kotlin Multiplatform Mobile": "https://kotlinlang.org/docs/multiplatform/multiplatform-mobile-getting-started.html",

   This is a documentation page, not an RSS feed. Should be removed or replaced with a valid RSS feed.

🟡 Minor Issues:

3. Branch naming in workflow (.github/workflows/auto_news.yml:63):
   • The workflow correctly uses mobile-news-* pattern, but ensure this matches the Python script's output filename pattern

⚡ Performance Considerations

Current Implementation:

• RSS feeds are fetched serially in a loop (scripts/generate_article.py:88-117)
• With 20+ RSS feeds, this could lead to slow execution times

Recommendations:

• Consider implementing concurrent RSS fetching using asyncio or threading
• Add timeout handling for RSS feed requests to prevent hanging
• Consider caching mechanisms for frequently accessed feeds

🔒 Security Review

✅ Good Security Practices:

• API keys properly managed through environment variables
• Input validation for date parsing with fallback handling
• No sensitive data exposure in the codebase

⚠️ Minor Security Considerations:

• RSS feed URLs are hardcoded and publicly accessible (acceptable for this use case)
• Consider adding rate limiting for RSS requests to avoid being blocked

🧪 Test Coverage

Current State:

• No automated tests for the Python script
• No validation of RSS feed URLs
• No integration tests for the workflow

Recommendations:

• Add unit tests for RSS parsing functions
• Add validation tests for RSS feed URLs
• Consider adding integration tests for the AI content generation

📝 Specific Recommendations

1. Fix the blog post file: Rename flutter-news-20250714.md to mobile-news-20250714.md and update its content to reflect mobile development focus

2. Remove invalid RSS feed: Remove or replace the Kotlin Multiplatform Mobile URL on line 41

3. Add concurrent RSS fetching:

   import asyncio
   import aiohttp
   
   async def fetch_feed_async(session, name, url):
       # Implement async RSS fetching

4. Add RSS feed validation:

   def validate_rss_feed(url):
       try:
           feed = feedparser.parse(url)
           return len(feed.entries) > 0
       except:
           return False

5. Consider extracting the AI prompt to a separate template file for better maintainability

🎯 Overall Assessment

This is a solid expansion of the news system with good architectural decisions. The main issues are:

• File naming inconsistency that needs immediate attention
• Invalid RSS feed URL that should be removed
• Performance optimization opportunities

The code quality is good overall, and the expansion to mobile development is well-thought-out. Once the critical issues are addressed, this will be a valuable enhancement to the system.

Recommendation: Approve after addressing the critical issues 🚀

[Copilot]

Pull Request Overview

This PR refactors the weekly news generator from Flutter-only to full mobile development coverage.

• Expanded RSS feeds to include React Native, Swift/iOS, and Kotlin/Android sources
• Enhanced AI prompt and frontmatter to categorize multi-platform mobile development news
• Updated workflow and file naming from flutter-news-* to mobile-news-*

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/data/blog/flutter-news-20250714.md	Added example weekly news file but still uses Flutter naming
scripts/generate_article.py	Updated RSS_FEEDS, filtering logic, AI prompt, frontmatter, and output filename to mobile-news
.github/workflows/auto_news.yml	Renamed workflow, branch/PR naming, file patterns, and labels to mobile-focused

Comments suppressed due to low confidence (2)

src/data/blog/flutter-news-20250714.md:3

• The slug still uses 'flutter-news'. Update it to 'mobile-news-20250714' to match the rebranded file naming and workflow changes.

slug: "flutter-news-20250714"

[Copilot]

This entry points to a documentation HTML page rather than an RSS feed URL. It may fail during feed parsing; consider replacing it with a valid RSS endpoint or removing it.

Suggested change

	"Kotlin Multiplatform Mobile": "https://kotlinlang.org/docs/multiplatform/multiplatform-mobile-getting-started.html",
	# "Kotlin Multiplatform Mobile": "https://kotlinlang.org/docs/multiplatform/multiplatform-mobile-getting-started.html", # Removed due to invalid RSS feed URL

[cursor]

Bug: Incorrect Feed URL for Kotlin Multiplatform

The "Kotlin Multiplatform Mobile" entry in the RSS_FEEDS dictionary points to a documentation HTML page (https://kotlinlang.org/docs/multiplatform/multiplatform-mobile-getting-started.html) instead of an actual RSS/XML feed. This prevents feedparser from correctly collecting Kotlin Multiplatform news.

scripts/generate_article.py#L40-L41

blog/scripts/generate_article.py

Lines 40 to 41 in 38a2550

	"Android Weekly": "https://androidweekly.net/rss",
	"Kotlin Multiplatform Mobile": "https://kotlinlang.org/docs/multiplatform/multiplatform-mobile-getting-started.html",

Fix in Cursor • Fix in Web

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Bug: Outdated Blog File Causes Workflow Failures

The committed file src/data/blog/flutter-news-20250714.md is an outdated example. It uses old branding (title: "週刊Flutterニュース", tags: ["ニュース", "Flutter", "AI", "開発"]) and the flutter-news-* filename pattern. This conflicts with the new mobile development branding and the updated script's mobile-news-*.md generation, causing automated workflows to fail.

src/data/blog/flutter-news-20250714.md#L1-L90

blog/src/data/blog/flutter-news-20250714.md

Lines 1 to 90 in 38a2550

	---
	title: "週刊Flutterニュース 2025-07-14号"
	slug: "flutter-news-20250714"
	author: "kboy"
	description: "今週はFlutterのCHANGELOG更新と、AI関連の盛りだくさんな情報が！Gemini APIのアップデートや、AIを使った開発手法に関する記事など、開発者の皆様必見です。"
	pubDatetime: "2025-07-14"
	tags: ["ニュース", "Flutter", "AI", "開発"]
	layout: "../../layouts/BlogPost.astro"
	---
	今週も様々な開発関連のニュースが飛び交いました！特にFlutterのアップデート情報と、AI関連の技術革新が目覚ましく、開発効率の向上や新たな可能性を感じさせる内容が目立ちます。それでは、今週の注目ニュースを見ていきましょう！
	## Flutter・モバイル開発
	### Flutter CHANGELOG Updated
	https://github.com/flutter/flutter/blob/stable/CHANGELOG.md
	Flutter公式からCHANGELOGが更新されました。バグ修正やパフォーマンス改善、そしてもしかしたら新機能の追加もあるかもしれません。詳細を確認し、自身のプロジェクトへの影響を確認しましょう。最新の安定版へのアップデートを検討する良い機会です。
	### Next.jsWebアプリをFlutterでAndroidネイティブ化した (Claude Codeが)
	https://qiita.com/Mor1yarty/items/290366dbfd6d5ea3a3b0
	既存のNext.js Webアプリケーションを、Claude Codeを活用してFlutterでAndroidネイティブアプリに移植した事例です。Webアプリケーションとネイティブアプリの橋渡しとしてAIを活用するアプローチは、今後の開発トレンドとして注目に値します。
	### FlutterカスタムWidgetで実現！サイズ制御を簡単にするFlex系レイアウト
	https://qiita.com/TowelMan-public/items/ef338a90edc7fee9e827
	FlutterにおけるカスタムWidgetとFlex系レイアウトの活用方法について解説した記事です。効率的なUI開発や、柔軟なサイズ制御を実現するためのベストプラクティスが紹介されている点に注目です。
	## AI・機械学習
	### Advancing agentic AI development with Firebase Studio
	https://developers.googleblog.com/en/advancing-agentic-ai-development-with-firebase-studio/
	Firebase Studioを用いた、エージェントAI開発の促進に関するGoogleからの発表です。Firebaseの機能とAI開発を組み合わせることで、開発プロセスを効率化できる可能性が示唆されています。
	### Gemini 2.5: Updates to our family of thinking models
	https://developers.googleblog.com/en/gemini-2-5-thinking-model-updates/
	GoogleのGeminiモデルのアップデート情報です。性能向上や新機能の追加によって、より高度なAIアプリケーション開発が可能になります。特に、開発者向けのAPIに関する情報は、実装の際に役立つでしょう。
	### The EU Code of Practice and future of AI in Europe
	https://openai.com/global-affairs/eu-code-of-practice
	OpenAIが発表した、EUにおけるAI倫理規定に関する記事です。AI開発における倫理的な課題と、今後の規制動向を理解することは、開発者にとって非常に重要です。
	## 開発者向け情報
	### Claude Codeの公式DevContainerについて
	https://zenn.dev/mixi/articles/c2a11b1765b149
	Claude Codeを利用した開発環境構築に関する記事です。DevContainerを活用することで、開発環境の統一や再現性の向上に繋がるため、チーム開発において非常に役立ちます。
	### 最高のAIコーディング環境を目指してあれこれ試した結果と教訓（2025/07）
	https://zenn.dev/aun_phonogram/articles/2f84cbf705eeb7
	様々なAIコーディング環境を試した結果と、得られた教訓が共有されています。自身の開発環境を最適化するためのヒントが得られるでしょう。
	### 個人開発で「複雑にしすぎた」ことから学んだ“引き算”の設計術
	https://zenn.dev/syunpp/articles/39d3b74761b677
	複雑になりがちな個人開発における設計の工夫について考察した記事です。シンプルで効率的な設計を目指すための考え方が示唆されており、多くの開発者に参考になるでしょう。
	## まとめ
	今週はFlutterのアップデートと、AI関連の技術革新が大きな話題となりました。特にGemini APIのアップデートや、AIを活用した開発手法に関する記事は、今後の開発に大きな影響を与える可能性があります。来週も新たな技術トレンドや開発情報をキャッチアップし、皆様にお届けしたいと思います！
	## 編集後記
	（ここは人間が手動で編集します）

Fix in Cursor • Fix in Web

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