feat(ads/seo/release): v1.2.0 with live Google Ads, isolated ad profile, ads.txt, and SEO/AEO/GEO optimization

site/robots.txt

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+# Paca — 모든 검색엔진 및 생성형 AI 크롤러 전면 허용 (SEO / AEO / GEO)
+# 검색봇과 AI 답변봇(ChatGPT, Perplexity, Claude, Gemini, Copilot, Naver Cue:)의 크롤링을 전면 환영합니다.
+
+User-agent: *
+Allow: /
+
+# OpenAI SearchGPT & ChatGPT Crawler
+User-agent: GPTBot
+Allow: /
+
+# Perplexity AI Answer Engine
+User-agent: PerplexityBot
+Allow: /
+
+# Anthropic Claude Crawler
+User-agent: ClaudeBot
+User-agent: anthropic-ai
+Allow: /
+
+# Google Gemini / AI Overviews
+User-agent: Google-Extended
+Allow: /
+
+# Microsoft Bing & Copilot
+User-agent: Bingbot
+Allow: /
+
+# Naver Search & Cue:
+User-agent: Yeti
+Allow: /
+
+# AI 모델 및 LLM 인덱싱 표준 명세 (Answer.AI / Anthropic llms.txt 표준)
+# LLMs-Text: https://mediabrowser.chanpaca.net/llms.txt
+# LLMs-Full-Text: https://mediabrowser.chanpaca.net/llms-full.txt
+
+Sitemap: https://mediabrowser.chanpaca.net/sitemap.xml