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feat(core,studio): read a YouTube video, its tracks and transcript (extension 0.7.0) - #309
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… JSON (0.10.0) A request with as: youtube reads the video's details, caption tracks and a transcript with the time of every line, in a chosen language. Studio recognises a video address and shows the document as a tree. YouTube's machine translation needs a browser token: a language the video has a track for is that track, any other fails saying so. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TjR6eM2tUwU3NGnKXsmEap
…Tube reader The earlier 0.7.0 to 0.9.0 bumps did not land, so those merges published nothing: the extension on the Marketplace is still 0.6.0. This release carries .ods, .odt, .odp and YouTube. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TjR6eM2tUwU3NGnKXsmEap
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Part of #294 (YouTube parser).
requestwith"as": "youtube"to a video's address (watch?v=,youtu.be/,/shorts/,/embed/,/live/) reads the video as JSON: title, author, channel, description, length, views, keywords, thumbnail, the caption tracks it has, and a transcript with the start and duration of every line (youtube.languagepicks the track,youtube.transcript: falseskips it). It asks YouTube's player endpoint the way its Android app does, then fetches the track's text asjson3; nothing is scraped from the watch page. The requests go through the engine's own HTTP client, so allowed hosts and the proxy apply.jsonpath, mappings, every output format.detect-url) and shows the document as a tree; the recipe runs from there. Extension 0.7.0: the bumps in the earlier ODF PRs (0.7.0 to 0.9.0) did not land, so those merges published nothing; this release carries .ods, .odt, .odp and YouTube.youtubeoption on therequeststep (only withas: "youtube"), in the recipe schema and the regenerated JSON schema; authoring guide §4.14.A limit, stated plainly. YouTube refuses machine translation (
tlang) with a 429 for this kind of client (checked on both Android and iOS identities): it needs a token only a signed-in browser session gets. Soyoutube.translateTouses the video's own track when it has one in that language (the uploader's words beat a machine translation), and otherwise fails saying so and listing the tracks the video does have. Also, YouTube changes this without notice: the parser reports what it got (a captcha page, an empty body, a status) instead of guessing.Checked: typecheck, lint, unit tests for core, studio, studio-ui, cli, mcp and the extension; the editor and MCP e2e. Against the real YouTube: the details, the English and German transcripts,
transcript: false, and the error for an unavailable video; in a real Studio, a recipe over the video's transcript produced six time-stamped records. The unit tests use a captured player response and transcript of a real video.🤖 Generated with Claude Code
https://claude.ai/code/session_01TjR6eM2tUwU3NGnKXsmEap