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already decoded — no black slide between.
The clip ahead holds its own first frame: full size, frame 0, drawn from the opening of the file (the bytes the head start put in the cache, read again by range — never more of the file than the head start fetched), so a flick to it glides onto the very picture the player shows first, and the player's frame replaces it with no visible change. A dozen are kept, the oldest let go; the tile's kept frame (480px, at 0.1 s) is made from the same decode when the tile has none yet. Only the next clip, not the ones beyond: their head start is half, and a frame from them would cost bytes. On a connection to be careful with the thumbnail poster stays, as before.
Pictures: the slides near the reader are attached from two and a half screens out (was one and a half) and decoded as they are attached, so a flight lands on a picture rather than on a blank that fills in. (Adam, 2026-10-16: "could we actually have the next image or video scroll in while the previous scrolls out? Right now it goes black before the next one scrolls in.")
pager-no-poster-test: the next clip holds a blob poster at the clip's full size and shape while the one after holds nothing; after a flick the next plays with its frame under it and the one after now holds its own; Data Saver keeps the thumbnails. pager-eager-test (the byte budget ahead of time) still passes; so do the picture pager and sharpen tests.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01J1Kon8bxJoHRpJdSzshCkp
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is live — names open profiles, the words open the post.
No poster: every poster there was (the kept frame, a post's imeta picture, the server's) is 480px wide and taken at some moment of the clip, so it showed for a beat, soft and not quite the first frame, and the clip's own first frame replaced it — a flash on every flick (Adam, 2026-10-16: "if we're auto playing let's not show the thumbnail let's just start on the first frame of the video"). The slide is the pager's black until the player, whose opening is in the cache by then, has its first frame. Giving the next clip's player its file ahead of time was tried and dropped: it pulled the whole file down (pager-eager-test). On a connection to be careful with the poster stays: a heavy clip waits for a tap, and the still is what there is.
The caption was a plain excerpt, which left "@NostrValley" as dead text. It is the post's words rendered as a post's are now — names, tags, note references and links live. A tap on a name, a tag or a note reference leaves the pager (and the full screen) before going where it goes; a link to the web opens in its own tab and the pager stays; a tap anywhere else on the caption leaves the pager and opens the post, where the whole of a long caption reads ("clicking anywhere on the caption that's not a link should take me out of fullscreen and take me to the post"). The expand-in-place toggle is gone.
Tests: tools/pager-no-poster-test.js (no poster on the clip on screen nor the ones ahead, playing; with Data Saver the posters stay), tools/pager-caption-test.js (the name is a link and opens the profile out of the pager; a tap on the words opens the post; a web link opens its own tab and the pager stays). Pre-existing on a clean checkout: feed-video-pager-test "from where it was in the feed", feed-pager-ahead-test "past fifteen posts with none" (fails on 33c7218 too).
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01J1Kon8bxJoHRpJdSzshCkp
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