-- 2026-05-13 — 기술/AI 뉴스 source seed (14건, 8개국) -- WHERE NOT EXISTS 로 idempotent. 기존 row 보존, 신규만 insert. -- briefing/digest 의 cross-country tech 토픽 cluster 다양성 확보. -- 8 country: CN, DE, FR, GB, IN, JP, KR, US. category = Tech / AI. INSERT INTO news_sources (name, country, language, feed_type, feed_url, category, enabled) SELECT v.name, v.country, v.language, v.feed_type, v.feed_url, v.category, v.enabled FROM (VALUES ('GeekNews (Hada)', 'KR', 'ko', 'rss', 'https://feeds.feedburner.com/geeknews-feed', 'Tech', true), ('AI Times', 'KR', 'ko', 'rss', 'https://www.aitimes.com/rss/S1N1.xml', 'AI', true), ('Hacker News', 'US', 'en', 'rss', 'https://hnrss.org/frontpage?count=30', 'Tech', true), ('ArsTechnica AI', 'US', 'en', 'rss', 'https://arstechnica.com/ai/feed/', 'AI', true), ('The Verge Tech', 'US', 'en', 'rss', 'https://www.theverge.com/rss/index.xml', 'Tech', true), ('TechCrunch', 'US', 'en', 'rss', 'https://techcrunch.com/feed/', 'Tech', true), ('The Register', 'GB', 'en', 'rss', 'https://www.theregister.com/headlines.atom', 'Tech', true), ('Heise Online', 'DE', 'de', 'rss', 'https://www.heise.de/rss/heise-atom.xml', 'Tech', true), ('ITmedia News', 'JP', 'ja', 'rss', 'https://rss.itmedia.co.jp/rss/2.0/aiplus.xml', 'AI', true), ('Gigazine', 'JP', 'ja', 'rss', 'https://gigazine.net/news/rss_2.0/', 'Tech', true), ('36Kr', 'CN', 'zh', 'rss', 'https://36kr.com/feed', 'Tech', true), ('Numerama', 'FR', 'fr', 'rss', 'https://www.numerama.com/feed', 'Tech', true), ('YourStory', 'IN', 'en', 'rss', 'https://yourstory.com/feed', 'Tech', true), ('BBC Technology', 'GB', 'en', 'rss', 'https://feeds.bbci.co.uk/news/technology/rss.xml', 'Tech', true) ) AS v(name, country, language, feed_type, feed_url, category, enabled) WHERE NOT EXISTS ( SELECT 1 FROM news_sources ns WHERE ns.name = v.name );