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* ✨ feat: Add Google url_context Param with Native YouTube Video Understanding Mirror the web_search grounding wiring for a new Google/Gemini `url_context` model param (resolves to the native `urlContext` tool). When enabled, YouTube URLs in the latest user message are injected as Gemini video parts (fileData), since the URL Context tool does not support YouTube. * 🎞️ fix: Provider-aware YouTube injection limits for url_context Address Codex review on the YouTube video-understanding path: - Cap injected YouTube parts per request by provider/model (Vertex: 1; Gemini Developer API: 10 on 2.5+, 1 on earlier models) so multi-link messages cannot exceed the provider limit and get rejected. - Set a video/mp4 mimeType on Vertex YouTube fileData (matching Vertex samples); the Developer API still omits it. * 🧩 fix: Round-trip url_context for Google-compatible custom endpoints Add url_context to openAIBaseSchema so the per-chat value persists for custom endpoints configured with customParams.defaultParamsEndpoint: 'google', matching how web_search is already picked there. * 🚦 fix: Gate url_context tool to Gemini 2.5+ models Per Google's URL Context supported-models list (2.5+/3.x only), skip the native urlContext tool on earlier models (debug-log + no-op) instead of sending it and triggering a provider 400. This also gates the coupled YouTube video-understanding injection to 2.5+, since it keys off the resolved urlContext tool. * ✂️ fix: Strip YouTube URLs from urlContext text; keep url_context out of OpenAI schema - Remove url_context from the shared openAIBaseSchema (revert): it is Google-only and would otherwise leak as an unsupported param to OpenAI/Azure/OpenRouter requests. On Google-compatible custom endpoints url_context is enabled via admin addParams/defaultParams, same as web_search. - When injecting YouTube video parts, strip the matched YouTube URLs from the prompt text so the urlContext tool (which reads URLs from text and cannot fetch YouTube) does not consume its URL budget on them. Non-YouTube URLs are left intact. * 🎯 fix: Refine url_context model gating and YouTube injection edges Address Codex round 4: - Exclude non-text modality variants (image/live/tts) from URL Context support, mirroring the Google tool-combination modality exclusion. - Use the resolved run model (model_parameters.model) for YouTube injection limits instead of the saved base model. - Strip only the YouTube links actually routed to video (id-aware); keep over-limit links in the text so the model can still reason about them. - Keep timestamped YouTube links (?t=/&start=) in the text so the moment cue survives. - Recognize youtube-nocookie.com/embed links. * 🎚️ fix: Exclude audio Gemini variants + preserve pre-id YouTube timestamps Address Codex round 5: - Add `audio` to the url_context modality exclusion so audio-only Gemini variants (e.g. gemini-2.5-flash-preview-native-audio-dialog) skip the tool instead of 400ing. - Detect YouTube timestamps anywhere in the matched URL (incl. before `v=`, e.g. watch?t=90&v=<id>), so timestamped links are kept in the prompt text as intended. |
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