Search FearNation news items by full-text query.

Cross-script: Simplified Chinese queries match Traditional content too (e.g., "华为" matches "華為"). Returns items with slug, section, headline, body, pub_date, seq.

Args: query: Free-text search string. section: Optional section filter (中国新闻 / 印太新闻 / 科技新闻 / 经济新闻). date_from: Optional ISO date YYYY-MM-DD (inclusive). date_to: Optional ISO date YYYY-MM-DD (inclusive). limit: Max results (1-200, default 20).

Get a full post by slug (e.g. "shijie-kucha-2024-01-15") or ISO date.

If multiple posts exist for a date, returns a list of post summaries. For a single post, returns items + financial_data.

List posts from the last N days. Use to orient before searching.

Each result has slug, title, pub_date, post_type, item_count.

Browse the post catalogue. Returns post-level summaries (not items).

Filter by title substring (query), post_type ("世界苦茶" or "台海危機ALERT"), or date range (ISO YYYY-MM-DD). At least one filter recommended.