Implement approved TV loading and bounded motion
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review/design-claude Design review pass: motion numbers equal direction A; 6 non-blocking notes

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justinzeus 2026-11-07 00:57:13 +01:00
parent fd48426fa7
commit 1668445418
86 changed files with 2026 additions and 121 deletions

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#!/usr/bin/env python3
"""Build the Wolfskin TV load-states / motion / speed spike page (dark only).
Inputs : page/proto.css, page/proto.js, page/tv-motion-speed/* (webm clips from the box, fixture art), numbers below
(all from data/tv-spike-motion-speed/raw/ and report.md).
Output : /opt/stacks/pages/store/wolfskin/tv-motion-speed.html + tv-motion-speed/ assets (mode 660).
"""
import os, shutil
HERE = os.path.dirname(os.path.abspath(__file__))
STORE = '/opt/stacks/pages/store/wolfskin/'
OUT = STORE + 'tv-motion-speed.html'
ASSETS = STORE + 'tv-motion-speed/'
CSS = open(os.path.join(HERE, 'proto.css')).read()
JS = open(os.path.join(HERE, 'proto.js')).read()
def table(head, rows, cls=''):
h = ''.join(f'<th>{c}</th>' for c in head)
b = ''.join('<tr>' + ''.join(f'<td>{c}</td>' for c in r) + '</tr>' for r in rows)
return f'<div class="tw"><table class="{cls}"><thead><tr>{h}</tr></thead><tbody>{b}</tbody></table></div>'
def pair(pid, scene, before, after_title, lead, note='', variants=False, before2=None):
vids = ''.join(f'<div class="pane"><p class="lab">{lab}</p><div class="sbox"><video src="tv-motion-speed/{src}.webm" muted loop playsinline autoplay preload="auto"></video></div></div>'
for src, lab in ([before] + ([before2] if before2 else [])))
var = f'<div class="tabs" data-variants="{pid}"></div>' if variants else ''
return f'''<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button>{f'<span class="muted small">{note}</span>' if note else ''}</div>
<div class="panes">{vids}<div class="pane"><p class="lab">{after_title}</p>{var}<div class="sbox" id="{pid}" data-scene="{scene}" data-lead="{lead}"></div></div></div></div>'''
def opt(title, gain, effort, risk, see, where='TV'):
return [title, gain, effort, risk, see, where]
OPT_HEAD = ['Option', 'Expected gain (measured basis)', 'Effort', 'Risk', 'What you would see', 'Ships in']
page = f'''<!doctype html><html lang="en" data-lavish-annotate="off"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><meta name="color-scheme" content="dark"><title>Wolfskin TV: faster, quieter, smoother</title><style>
:root{{color-scheme:dark;--bg:#07070a;--panel:#13131a;--line:rgba(255,255,255,.1);--fg:#f4f4f6;--muted:rgba(244,244,246,.74);--acc:oklch(78% 0.14 305);--ok:#7ed6a0;--warn:#ffc46b;--bad:#ff8a7a}}
*{{box-sizing:border-box}}html{{-webkit-text-size-adjust:100%}}body{{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}}
main{{max-width:1400px;margin:0 auto;padding:16px 14px 120px}}h1{{font-size:28px;line-height:1.2;margin:6px 0 6px}}h2{{font-size:21px;margin:34px 0 8px;color:var(--acc);border-bottom:1px solid var(--line);padding-bottom:4px}}
h3{{font-size:17px;margin:20px 0 6px}}a{{color:var(--acc)}}.muted{{color:var(--muted)}}.small{{font-size:13px}}p{{margin:6px 0}}li{{margin:3px 0}}
.lead{{font-size:17px}}.k{{color:var(--ok)}}.w{{color:var(--warn)}}.b{{color:var(--bad)}}
.tw{{overflow-x:auto;margin:8px 0;border:1px solid var(--line);border-radius:10px}}table{{border-collapse:collapse;width:100%;font-size:14px}}
th,td{{padding:6px 9px;border-top:1px solid var(--line);text-align:left;vertical-align:top}}thead th{{border-top:0;background:#1b1a22;white-space:nowrap}}
td:first-child{{font-weight:600}}table.num td:not(:first-child){{white-space:nowrap}}
.card2{{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0}}
.pair{{margin:14px 0 26px}}.ph{{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 0 6px}}
.panes{{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(380px,100%),1fr));gap:12px}}.pane{{min-width:0}}.lab{{font-size:13px;color:var(--muted);margin:0 0 4px}}
.decision{{padding:18px 22px;background:#13131a;border:1px solid var(--line);border-radius:14px;margin:14px 0}}.decision h3{{margin-top:0}}
.opt{{display:block;border:1px solid var(--line);border-radius:10px;padding:9px 12px;margin:7px 0;cursor:pointer;background:#100e16}}.opt:has(input:checked){{background:oklch(26% 0.07 305);border-color:var(--acc)}}
.opt .t{{display:block;color:var(--muted);font-size:14px;margin-left:24px}}.rec{{font-size:12px;color:var(--ok);margin-left:6px}}
textarea{{width:100%;min-height:70px;background:#0c0b10;color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:8px;font:inherit;margin-top:6px}}
.tabs{{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 6px}}
.tab,button.replay{{font:inherit;font-size:13px;border-radius:999px;padding:4px 11px;border:1px solid var(--line);background:#1b1a22;color:var(--fg);cursor:pointer}}.tab.on{{background:oklch(26% 0.07 305);border-color:var(--acc)}}
button.replay{{background:oklch(26% 0.07 305);border-color:var(--acc)}}
form.decision button[type=submit]{{font:inherit;font-size:15px;font-weight:600;border-radius:999px;padding:8px 18px;border:1px solid var(--acc);background:oklch(26% 0.07 305);color:var(--fg);cursor:pointer;margin-top:8px}}
form.decision [role=status]{{font-size:13px;margin-left:10px;opacity:.8}}
.ctl{{position:sticky;top:0;z-index:8;background:#07070aee;backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding:8px 0;margin:0 0 8px;display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:14px}}
.ctl label{{display:inline-flex;gap:6px;align-items:center;cursor:pointer}}
ol.plan>li{{margin:10px 0}}code{{font-size:13px;color:oklch(88% 0.08 305)}}
{CSS}
</style></head><body><main>
<h1>Wolfskin TV: faster, quieter, smoother</h1>
<p class="lead">Measured on your Xiaomi box with <b>Wolfskin (Opt)</b> 1.1.0-133 and from tank, on 2026-11-06. This page has the options, the plan, and live prototypes of the loading and motion. Each prototype sits next to a recording of the real app doing the same thing today.</p>
<div class="card2"><b>The short version</b><ul>
<li><b>The biggest wait isn't the app.</b> Two of four cold launches showed a spinner for <b>1.5 s</b>, and the other two showed none. The box looks up <code>jelly.justinvisser.org</code> through AdGuard Private DNS, and an uncached lookup takes <b>0.45–1.35 s</b>. The address only stays cached for 60 s, so the first launch after a minute's pause pays it, and so does the first title page that fetches TMDB art. A small TV-side DNS cache (or one box setting) removes it.</li>
<li><b>The second biggest is Conductarr.</b> On a title page, the detail, season and "Ready for you" reads take <b>1.1 s, 1.1 s and 2.9 s</b> at the median. Each one re-lists the whole Radarr/Sonarr library on every request, with no cache. A title page can't settle until the slowest arrives (3.4 s on a series). This needs a Conductarr release.</li>
<li><b>Screens are already quick, but they pop.</b> Home, the grids, Discover and Settings settle in <b>0.2–0.75 s</b>. What makes the wait visible is art and fields arriving in steps, and the layout jumping when a late line lands. That's fixable on the TV alone: fade art in, reserve space for late lines, keep last-known screens, and prefetch.</li>
<li><b>Frames are slow for two reasons.</b> At the median a frame takes 30–46 ms during moves, where 60 fps needs 16.7 ms. On grid and row scrolls, <b>30–44 %</b> of frames miss. The GPU alone takes 14–21 ms per frame, so motion here has to be cheap: fades, small rises and scale on one layer. No full-screen blur or shimmer sweeps.</li>
</ul></div>
<div class="ctl"><label><input type="checkbox" id="boxrate"> Play prototypes at the box's frame rate (40 ms per frame, measured)</label><label><input type="checkbox" id="rm"> Reduced motion (fades only, ≤100 ms)</label><span class="muted small">Prototypes loop. "Replay together" restarts the recording and the prototype in step. Counters are ms after the screen first reacts to the key.</span></div>
<h2>1. Where the time goes today</h2>
<h3>Per screen, from the first frame that reacts to the key until the screen stops changing</h3>
<p class="muted small">Method: on-device <code>screenrecord</code> (it only emits frames on change), scene-change detection with ffmpeg, logcat (OkHttp and ActivityManager) and Conductarr's own request log for the same seconds. "Settled" is the last visible change. Raw clips and sheets are in <code>data/tv-spike-motion-speed/</code>.</p>
{table(['Screen', 'First content', 'Settled', 'What arrives late', 'Repeat visit'], [
['Cold start (am start -W TotalTime, 4 runs)', '583 / 538 / 438 / 453 ms to first frame', 'picker at +0.3–0.4 s (DNS warm) or <b class="b">+1.65 s</b> (DNS cold)', 'Spinner while <code>Users/Me</code> then <code>System/Info/Public</code> run one after the other (ServerRepository.kt:104,107)', 'same, bimodal on the 60 s DNS cache'],
['Who\'s watching → Home', 'hero text 135 ms', '430 ms', 'shelf tiles flat grey until 400 ms, then all images pop', '370 ms'],
['Home → Discover tab', 'content 270 ms (dims first)', '700 ms', 'posters pop in over 0.4 s', '600 ms'],
['Movies grid', '230 ms (blank tiles)', '750 ms', 'posters fill row by row', '500 ms'],
['Shows grid', '280 ms', '640 ms', 'posters', '—'],
['Title, movie in library (American Gangster)', '430 ms (text)', '<b class="w">2.69 s</b>', 'backdrop 470 ms; cast portraits 2.7 s (initials until then)', '450 ms total'],
['Title, Discover pick (Donnie Brasco)', '980 ms (blank skeleton until then)', '1.53 s', 'backdrop 1.37 s, cast 1.5 s', '—'],
['Title, series (Adults)', '620 ms', '<b class="b">3.42 s</b>', 'ratings and "Ready for you · by Mindel" land at 3.4 s and push the overview down', '—'],
['Person page (Martin Sheen)', '620 ms', '720 ms', 'filmography posters', '—'],
['Back from title / series / person', '260 / 300 / 450 ms', '', '', ''],
['Settings', '220 ms', '220 ms', '—', ''],
['Coming in sheet', '74 ms', '74 ms (from cache)', 'posters refresh silently', ''],
], 'num')}
<h3>Frame timing per interaction (dumpsys gfxinfo, ART status <code>speed</code>)</h3>
{table(['Interaction', 'Frames', 'Janky', 'p50', 'p90', 'p99', 'Main thread slow / GPU slow'], [
['Home rows scroll (down 7, up 6, right 5), run 1 / 2', '149 / 115', '38.9 % / 34.8 %', '44 / 46 ms', '69 / 65', '89 / 101', '43 / 52 · 27 / 35'],
['Movies grid scroll (down 8, up 8), run 1 / 2', '180 / 159', '43.9 % / 32.1 %', '30 / 30 ms', '53 / 46', '93 / 73', '30 / 69 · 20 / 48'],
['Discover scroll', '146', '30.1 %', '34 ms', '57', '73', '34 / 35'],
['Tab switch ×4', '158', '18.4 %', '28 ms', '65', '150', '15 / 29'],
['Title open + back ×3', '103', '33.0 %', '48 ms', '113', '150', '29 / 34'],
['Who\'s watching → Home', '15', '53.3 %', '61 ms', '117', '133', '7 / 8'],
['Open title (movie, first time)', '20', '60.0 %', '57 ms', '150', '200', '9 / 12'],
['Back from person', '12', '75.0 %', '93 ms', '150', '150', '8 / 9'],
], 'num')}
<p class="muted small">Frame phases on the Shows grid (framestats, 68 frames): record p50 0.5 / p90 10.3 ms, GPU issue p50 4.3 / p90 8.9 ms, GPU complete p50 <b>14.3</b> / p90 <b>21.2</b> ms, total p50 25.6 / p90 41.4 ms. The app renders at 1920×1080 and the box outputs 3840×2160 at 59.94 Hz. Today's grid is worse than the earlier Opt measurement (17.7 % janky), which was taken before the spacing and focus-ring builds.</p>
<h3>Network, from tank (10 runs each; cold = new connection, warm = kept-alive)</h3>
{table(['Call', 'Bytes', 'Cold p50 / p95', 'Warm p50 / p95', 'Cache headers'], [
['Jellyfin UserViews (called 4–5× per launch)', '2.3 KB', '65 / 166 ms', '46 / 51 ms', 'none'],
['Home Resume (20)', '1.4 KB', '58 / 66', '30 / 41', 'none'],
['Home NextUp (20)', '6.2 KB', '71 / 91', '47 / 52', 'none'],
['Home Items/{{id}} per series (sequential)', '4.0 KB', '43 / 60', '24 / 28', 'none'],
['Home library shelf (20)', '18.7 KB', '85 / 116', '74 / 84', 'none'],
['Movies grid page (200)', '51 KB', '68 / 148', '61 / 64', 'none'],
['Title episodes with MediaSources + People', '<b class="w">96.8 KB</b>', '142 / 185', '122 / 169', 'none'],
['Title episodes, lean fields', '6.5 KB', '26 / 65', '11 / 12', 'none'],
['Grid poster, no size (today, LibraryReadFacade.kt:86)', '<b class="b">626 KB</b>', '26 / 30', '8 / 9', 'max-age 1 y, immutable, ETag'],
['Grid poster fillWidth 256×384 q96', '31.6 KB', '19 / 131', '2 / 4', 'same'],
['Grid poster 256×384 q80 WebP', '11.2 KB', '19 / 118', '1 / 2', 'same'],
['Backdrop 1280 q96 / q80 WebP', '91 / 31 KB', '19 / 25', '2 / 2', 'same'],
['TMDB poster w780 (today, ConductarrProjection.kt:9)', '131 KB', '128 / 144', '49 / 70', 'max-age 1 y'],
['TMDB poster w342 / w185', '41 / 15 KB', '100 / 76', '31 / 30', 'max-age 1 y'],
], 'num')}
<p class="muted small">Box-side DNS (ping timing, 6 samples 70 s apart): uncached <code>jelly.justinvisser.org</code> 490–1390 ms, <code>wolfskin-tv</code> 460–490 ms, <code>image.tmdb.org</code> 60–1170 ms; cached 40–50 ms. The box uses Private DNS <code>dns.adguard.com</code>. The LAN resolver 192.168.1.2 answers uncached names in 136–160 ms and cached in 0 ms. The A record behind both hosts has a 60 s TTL. Cold launches 1 and 3 were more than 60 s after the previous lookup, and 2 and 4 were within it.</p>
<h3>Conductarr TV routes, server-side (Conductarr request log, 22 h, 200/304)</h3>
{table(['Route', 'n', 'p50', 'p95', 'Body p50', 'Why'], [
['activity/titles/{{tmdb}}/{{type}} (Ready for you)', '45', '<b class="b">2856 ms</b>', '5002 ms', '1.7 KB', 'Re-reads the held title twice, the Seerr requests and a Jellyfin GET per episode; no cache (activity/detail.go:21, request_evidence.go:45, users.go:262). The 5002 ms p95 is most likely the TV giving up: its read timeout is 5 s (ConductarrSession.kt:53), so on the slowest titles the line never appears'],
['catalogue/titles/{{tmdb}}/{{type}} (detail)', '51', '<b class="b">1198 ms</b>', '3217 ms', '11.9 KB', 'Held-title read lists every Arr library unpaged, then Seerr details, then ratings; sequential (catalogue/detail.go:14-17, library_detail.go:81)'],
['catalogue/tv/{{tmdb}}/seasons/{{n}}', '76 / 17 (304)', '1084 / 2282 ms', '2664 ms', '1 KB', 'Same held-title read; a 304 still renders and hashes the full body first (read_validators.go)'],
['…/ratings', '265', '147 ms', '449 ms', '0.5 KB', '6 h server cache, 300 titles'],
['…/enrichment · …/related · …/cast', '46 · 42 · 26', '103 · 124 · 33 ms', '465 · 261 · 78', '3 · 14 · 12.5 KB', 'enrichment uncached'],
['recommendations feed', '42', '16 ms', '40 ms', '<b class="w">204 KB, uncompressed</b>', 'no gzip/br on the TV door (Caddyfile.base:316-333, serve.go:140)'],
['activity (polled every 30 s)', '713 × 304', '52 ms', '83 ms', '62.5 KB when 200', ''],
['operator · profiles · dismissals · options · display', '', '12–25 ms', '30–93 ms', '', 'cheap; display is called ≈1 400×/day, once per poster'],
], 'num')}
<p class="muted small">Every TV request also costs Conductarr an uncached Jellyfin <code>/Users/Me</code> to check the token (clients/jellyfin/token.go:42). Every authenticated response is <code>Cache-Control: no-store</code> (authority.go:32). The TV client revalidates with its own ETag store instead.</p>
<h3>Caches the app has today</h3>
{table(['Cache', 'Where', 'Behaviour', 'Observed'], [
['Wolfskin image loader (Coil 3)', 'WolfskinImages.kt:46-61', '64 MiB memory, 128 MiB disk, 4 parallel reads, crossfade off', 'repeat visits paint art from memory; first grid visit downloads 626 KB per poster (no size)'],
['Upstream Wholphin image loader', 'CoilConfig.kt:80-101', 'separate memory + 200 MB disk', 'a second copy of the same art in memory'],
['Conductarr JSON', 'FileCacheStore, noBackupFilesDir/conductarr', 'saved copy shown first, then revalidated with ETag; no memory layer', 'title re-open: every ON_OPEN route re-fetched (cast 304, detail 875 ms again)'],
['Home, library, title, person snapshots', 'filesDir/wolfskin-home, -library-cache, -title', 'disk JSON, painted first', 'repeat visits 370–500 ms instead of 430–750'],
['HTTP cache (OkHttp)', 'none', '—', 'Jellyfin JSON never cached; images rely on Coil only'],
['DNS', 'system only', '60 s TTL through Private DNS', '1.5 s launch spinner when expired'],
])}
<h2>2. Load states</h2>
<p>Today: a spinner on launch, flat grey blocks on Home, the grids and title pages, and a blank title page until Conductarr answers on Discover picks. Images snap in because crossfade is off in both loaders. Nothing shows a "loading" sentence; that rule already holds.</p>
{table(OPT_HEAD, [
opt('Picker from the saved people list, verify in the background', 'Removes the 1.5 s spinner on every DNS-cold launch (2 of 4 measured)', 'S', 'Low. A revoked session must still land on the recovery picker', 'The launcher fades straight into Who\'s watching'),
opt('Shaped skeletons that breathe (opacity only, staggered)', 'No speed change; replaces the flat grey and spinner states', 'S', 'Low. One alpha layer per row', 'Card-shaped tiles gently pulsing until the art lands'),
opt('Art fades in (120–160 ms) instead of popping', 'Removes the pop on every first visit', 'XS', 'Low. Keep it off for memory-cache hits so repeat visits stay instant', 'Posters settle instead of flickering in'),
opt('Reserve space for late fields (ratings, Ready for you, genres, overview)', 'No layout jump at 3.4 s on series pages', 'S', 'Low', 'The line fades into a gap that was already there'),
opt('Title page paints what the card already knew', 'First content 430–980 ms → about 60 ms', 'M', 'Medium. Card data must match detail (year, runtime, ratings)', 'Title, year, ratings and Play at once, over a colour wash of the poster'),
opt('Shimmer sweep skeletons', 'None', 'S', '<b class="w">High on this GPU</b>: a moving gradient over every card, every frame', 'Light sweeps across the tiles. Not recommended'),
])}
<h3>See it: launch</h3>
{pair('p-launch', 'launch', ('before-launch-spinner', 'Today, DNS cold (2 of 4 launches): 1.5 s spinner'), 'After: no spinner, people from the saved list', 180, '', False, ('before-launch-fast', 'Today, DNS warm'))}
<h3>See it: skeleton styles</h3>
<p class="muted small">Pick a style. Content lands at 900 ms in each, about the Movies grid's first visit.</p>
{pair('p-skel', 'skeleton', ('before-movies-grid', 'Today: Movies grid, first visit'), 'Options', 140, '', True)}
<h2>3. Motion and transitions</h2>
<p>Today's motion tokens: focus scale 1.08 over 140 ms, ring and caption fades of 140 ms, a nav blob spring, and 160–180 ms row scrolls. There are no screen transitions or hero cross-fades, and reduced motion is defined but nothing reads it (WolfskinTokens.kt:218). At 30–46 ms per frame, a 140 ms tween is drawn in 3–4 frames. Tick <b>box frame rate</b> at the top to see that.</p>
{table(OPT_HEAD, [
opt('Staged reveal on screen entry (hero copy rises 16 px, rows rise 24 px, staggered 30–40 ms, 180 ms ease-out)', 'Perceived: art arrives into motion instead of popping. Cost: translate + alpha on one layer per row', 'S', 'Low. Stagger must not delay focus', 'Home and Discover settle like a curtain rather than tiles snapping'),
opt('Hero cross-fade (backdrop 320 ms, copy hands off)', 'Removes the hard cut when the hero changes', 'S', 'Medium. Two 1080p bitmaps for 320 ms; the GPU is already at 14–21 ms/frame, so fade the backdrop only and keep the scrim static', 'The next pick dissolves in'),
opt('Focus: 180 ms ease-out, caption rises 10 px', 'Same frame cost as today; the curve hides dropped frames better', 'XS', 'Low', 'Focus glides rather than ticks'),
opt('Title entry: grid fades 160 ms, page builds from the poster colour', 'Hides the 470 ms backdrop fetch', 'M', 'Medium (see load states)', 'No black gap between grid and title'),
opt('Shared-element poster → title sheet', 'None measurable', 'L', '<b class="w">High</b>. Compose shared elements across NavHost destinations on this GPU; the movie page has no poster sheet when a backdrop exists', 'The card flies into place. Not recommended now'),
opt('Honour reduced motion (system animator scale 0 or a Wolfskin toggle)', 'Accessibility', 'S', 'Low', 'Fades only, ≤100 ms; the toggle at the top shows it'),
])}
<h3>See it: Who's watching → Home</h3>
{pair('p-home', 'home', ('before-home-enter', 'Today: grey tiles, then art pops at 400 ms'), 'After', 200)}
<h3>See it: tab switch and row reveal (Home → Discover)</h3>
{pair('p-tab', 'tab', ('before-discover-tab', 'Today'), 'After', 150)}
<h3>See it: title page entry</h3>
{pair('p-title', 'title', ('before-title-movie', 'Today: American Gangster, first open (cast at 2.7 s)'), 'After: Apocalypse Now from the same grid', 170, '', False, ('before-title-discover', 'Today: Donnie Brasco from Discover, blank until 980 ms'))}
<h3>See it: a late line on a series page</h3>
{pair('p-series', 'series', ('before-title-series', 'Today: Adults, the readiness line lands at 3.4 s and pushes the text down'), 'After', 150, '', True)}
<h3>See it: focus move</h3>
{pair('p-focus', 'focus', ('before-movies-grid', 'Today, real grid'), 'Focus along a row', 0, 'Tick box frame rate to compare at 25 fps.', True)}
<h3>See it: hero cross-fade</h3>
{pair('p-hero', 'hero', ('before-discover-tab', 'Today (Discover hero)'), 'Hero advances', 0, '', True)}
<h2>4. Caching</h2>
{table(OPT_HEAD, [
opt('Persisted DNS answers (OkHttp Dns: serve the last address at once, refresh behind)', 'Removes 0.45–1.35 s on launch and on the first TMDB image after any 60 s pause', 'S', 'Low. Fall back to the system lookup if the cached address fails', 'No spinner on launch; first cast photos in ≈0.6 s instead of 2.7 s [inference: DNS is the cast delay]'),
opt('Warm the connections at process start (Jellyfin, Conductarr door, TMDB) in parallel', 'Overlaps DNS + TLS with the 450 ms first frame', 'XS', 'Low', 'Same as above, smaller'),
opt('Memory layer over the Conductarr disk cache', 'Skips disk read and JSON decode on back and re-open (title re-open settles at 450 ms today; ~250 expected) [inference]', 'S', 'Low', 'Back and re-open feel instant'),
opt('Stale-while-revalidate for ON_OPEN title routes (skip refetch if validated in the last 5 min)', 'Re-opening a title stops costing the server 875–2 900 ms', 'S', 'Low. Requests and readiness may be 5 min old; keep requests on FORCE', 'Nothing visible; less churn'),
opt('Prefetch the focused card\'s title page (detail JSON + backdrop) after 350 ms of dwell', 'Title first content 430 ms → about 60 ms; backdrop already decoded', 'M', 'Medium. Bandwidth: at most one title per dwell; cancel on move', 'Opening a title is instant'),
opt('Pre-decode last-known Home art while Who\'s watching is up', 'Home settles at 430 ms → about 250 ms with no pops', 'S', 'Low. Memory: 6 backdrops ≈ 21 MiB of the 64 MiB', 'Home appears whole'),
opt('One image loader instead of two', 'Frees a second memory cache (Coil default ≈ 25 % of the heap) [inference]', 'M', 'Medium. Upstream screens use their own', 'Fewer re-downloads after big screens'),
opt('OkHttp HTTP cache for Jellyfin JSON', 'Small. Jellyfin sends no cache headers, so only conditional revalidation is possible', 'S', 'Low', 'Nothing visible'),
])}
<h2>5. Backend retrieval</h2>
{table(OPT_HEAD, [
opt('Cache the held-title read in Conductarr (Arr library list, queue, history) for 30–60 s, shared across routes', 'Title detail 1.2 s → ≈0.1 s, season 1.1 s → ≈0.1 s, readiness 2.9 s → <1 s [inference from the code path]', 'M', 'Medium. Freshness of "Ready" after an import; invalidate on Arr webhook (already received)', 'Series pages settle in under a second; no late line', 'Conductarr release'),
opt('Readiness: drop the duplicate held-title read and the per-episode Jellyfin GETs', 'The 5 s tail on readiness', 'M', 'Medium', '"Ready for you" appears with the page', 'Conductarr release'),
opt('Compress the TV door (Caddy <code>encode zstd gzip</code>)', 'Feed 204 KB → ~25–35 KB [inference: JSON typically 6–8×], activity 62 KB → ~8 KB', 'XS', 'Low', 'Discover opens a little faster on Wi-Fi', 'Caddy change (server-docs)'),
opt('304 before rendering (keep a per-route version, not a hash of the full body)', 'Season 304 2.3 s → ms', 'M', 'Medium', 'Nothing visible except speed', 'Conductarr release'),
opt('Cache the token check (<code>/Users/Me</code>) for 60 s per token', 'Removes a Jellyfin round trip from every TV request (~10–40 ms each, 6–10 per title page)', 'S', 'Low. Revocation lag 60 s', 'Nothing visible', 'Conductarr release'),
opt('Batch display reads (one call for a row of posters)', '≈1 400 display calls/day → a few dozen', 'M', 'Low', 'Coming in and Discover rows fill together', 'Conductarr release + TV'),
opt('Size the grid posters (<code>fillWidth=256&fillHeight=384&quality=80&format=Webp</code>)', '626 KB → 11 KB per poster (57×); 85 films 53 MB → 1 MB', 'XS', 'Low', 'Movies and Shows fill at once on first visit', 'TV'),
opt('Ask TMDB for w342 posters, not w780', '131 KB → 41 KB per Discover poster', 'XS', 'Low. 342 px for a 256 px card', 'Discover rows fill sooner', 'TV'),
opt('Lean episode fields (drop MediaSources/MediaStreams/People from the list; fetch them on Play)', '96.8 KB → 6.5 KB per season, 142 → 26 ms', 'S', 'Medium. The episode row shows file chips', 'Series pages settle sooner', 'TV'),
opt('Fewer launch calls: UserViews 4–5× and LiveTv/Recordings/Folders 2× per launch', '≈250 ms of serial calls', 'S', 'Low', 'Nothing visible', 'TV'),
])}
<h2>6. Kotlin and Compose</h2>
{table(OPT_HEAD, [
opt('Library load re-emits the full list per 200-item page and re-sorts each time (LibraryReadFacade.kt:96, LibraryGridState.kt:99)', 'Grid first visit; matters more as the library grows', 'S', 'Low', 'Grid appears in one step', 'TV'),
opt('Hoist the Regex in titleFallbackBackground / titleAmbientBackground (TitleArtwork.kt:152,167)', 'Draw-time cost per card', 'XS', 'Low', '—', 'TV'),
opt('Discover reads firstVisibleItemIndex in composition (DiscoverScreen.kt:107) → derivedStateOf', 'Fewer recompositions while scrolling Discover (34 of 44 janky frames were UI-thread)', 'XS', 'Low', 'Smoother Discover scroll', 'TV'),
opt('NavBar label colour read in composition (NavBar.kt:86) → draw-phase', 'Tab switch frames', 'XS', 'Low', '—', 'TV'),
opt('WolfskinImages.loader() is @Synchronized and called in composition', 'Lock on every poster recomposition', 'XS', 'Low', '—', 'TV'),
opt('Cut full-screen layers: hero blur (RenderEffect) + two full-screen gradient scrims + ambient', 'GPU 14–21 ms/frame is the floor today; pre-blurred tiny art and one combined scrim drawn once', 'M', 'Medium. Must match the approved frames', 'Smoother scroll on Home and Discover', 'TV'),
opt('Keys and contentType', 'Already done everywhere', '—', '—', '—', ''),
])}
<h2>7. Baseline profile</h2>
<p>Today: a hand seed of 6 lines (<code>app/src/optimized/baselineProfiles/baseline-prof.txt</code>), no generator and no Macrobenchmark. The box is at <code>speed</code> only because it was forced with <code>cmd package compile</code>. Every new install starts at <code>verify</code> (interpreted/JIT) until background dexopt runs.</p>
{table(['State (same box, earlier tv-perf run)', 'Cold start', 'Home scroll janky / p50 / p90', 'Movies grid'], [
['Opt just installed (verify)', '0.5–1.0 s', '51.4 % / 65 / 117 ms', '—'],
['Opt after forced AOT (speed)', '0.39–0.44 s', '29.2 % / 38 / 61 ms', '17.7 % / 19 / 36 ms'],
], 'num')}
<p><b>Expected from a recorded profile</b> (Baseline Profile Gradle plugin plus one UiAutomator journey through picker, Home, Discover, the grids, a title and a person page): a fresh install behaves like the AOT row from the first launch. That is roughly −40 % janky frames on Home scroll and up to half a second off cold start, for every build the second mate installs. It does <b>not</b> change steady state on a box already at <code>speed</code>. Effort M: the journey can run on an emulator in the build container; the box itself isn't needed. Risk low.</p>
<h2>8. Recommended plan</h2>
<ol class="plan">
<li><b>DNS and launch (TV, S, ~1 day).</b> Persisted DNS answers plus parallel connection warm-up at process start. Show the picker from saved people and check the session in the background. <i>Prove it:</i> 6 cold launches spaced &gt;60 s apart, picker at ≤0.5 s every time (today 1.65 s in half); first cast photos on a new title ≤1 s.</li>
<li><b>Image sizes (TV, XS, hours).</b> Sized WebP grid posters, TMDB w342, lean episode fields. <i>Prove it:</i> first Movies visit settles ≤400 ms (today 750); tank payload table.</li>
<li><b>Load states and motion (TV, M, 2–3 days, against your pick on this page).</b> Breathing shaped skeletons, art fade-in for network loads only, reserved late-line slots, staged reveal, hero cross-fade, reduced motion. <i>Prove it:</i> recordings like the ones above, no layout change after first content, gfxinfo janky no worse than today.</li>
<li><b>Prefetch and memory cache (TV, M, 2 days).</b> Dwell prefetch of title pages, a memory layer over the Conductarr cache, pre-decoded Home art behind the picker. <i>Prove it:</i> title first content ≤100 ms and Home settled ≤250 ms.</li>
<li><b>Conductarr release (M–L, 2–4 days):</b> held-title cache with webhook invalidation, readiness without duplicate reads or per-episode GETs, 304 before render, token-check cache. <b>Caddy</b>: compress the TV door. <i>Prove it:</i> the route table above for 24 h, with detail, season and readiness p50 ≤200 ms and p95 ≤600 ms, and the feed on the wire ≤40 KB.</li>
<li><b>Baseline profile (TV build, M, 1–2 days).</b> Recorded journey profile. <i>Prove it:</i> fresh install without a forced compile, Home scroll janky ≤30 %, cold start ≤0.5 s.</li>
<li><b>Frame cost (TV, M, 2–3 days).</b> The Compose fixes in section 6 and fewer full-screen layers. <i>Prove it:</i> Home and grid scroll janky ≤20 %, GPU p90 ≤16 ms in framestats.</li>
</ol>
<p><b>Total:</b> about 2 weeks of TV work and 3–4 days for a Conductarr release. Steps 1–2 alone remove the two waits you can feel today (the launch spinner and grids filling slowly), in about a day and a half.</p>
<p class="muted small">A box-side alternative to step 1's DNS part: switch the box's Private DNS from <code>dns.adguard.com</code> to Automatic, so it uses the LAN resolver (136–160 ms uncached, 0 ms cached). That changes the whole box, not just Wolfskin, so it's your call; the TV-side fix works either way.</p>
<h2>9. Your picks (all of them on one page)</h2>
<p class="muted">Six decisions. Each locks the moment you send it and the build lanes start on it. Nothing here touches the TV while you are playing.</p>
<form class="decision" data-decision-key="tv-motion-speed-direction" data-lavish-question="tv-motion-speed-direction"><h3>1. Load-state and motion direction</h3>
<p class="muted">Decides plan step 3 (skeletons and motion). The prototypes above show each part.</p>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="recommended" data-choice-key="tv-motion-speed-direction"> <b>A · As recommended</b> <span class="rec">recommended</span><span class="t">Breathing shaped skeletons, art fades in only when it came from the network, reserved space for late lines, hero cross-fade, reduced-motion safe.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="flat" data-choice-key="tv-motion-speed-direction"> <b>B · Same, but flat skeletons</b><span class="t">Still card-shaped, no pulse. The calmest option.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="shimmer" data-choice-key="tv-motion-speed-direction"> <b>C · Same, but shimmer skeletons</b><span class="t">A light sweep across the tiles. Costs GPU on this box every frame while loading.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="changes" data-choice-key="tv-motion-speed-direction"> <b>D · Different</b><span class="t">Say what in the note: a prototype to change, a speed, an option to drop.</span></label>
<textarea aria-label="Notes for 1. Load-state and motion direction" name="tv-motion-speed-direction-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-speed-quick-fixes" data-lavish-question="tv-speed-quick-fixes"><h3>2. The two quick speed fixes (about a day and a half, TV only)</h3>
<p class="muted">(a) DNS cache with stale-serve plus a picker painted from saved people, so the launch spinner goes away; (b) sized WebP grid posters, smaller TMDB art, lean episode fields, so grids fill fast. Both ship in the next TV build.</p>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="go" data-choice-key="tv-speed-quick-fixes"> <b>Go, start now</b> <span class="rec">recommended</span><span class="t">Two small lanes, merged and staged for the next install.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="a-only" data-choice-key="tv-speed-quick-fixes"> <b>Only (a), the launch spinner</b><span class="t">Leave the image sizing for later.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="b-only" data-choice-key="tv-speed-quick-fixes"> <b>Only (b), the image sizes</b><span class="t">Leave the DNS cache for later.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="later" data-choice-key="tv-speed-quick-fixes"> <b>Not now</b><span class="t">Skip until after the motion work.</span></label>
<textarea aria-label="Notes for 2. The two quick speed fixes (about a day and a half, TV only)" name="tv-speed-quick-fixes-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-box-dns" data-lavish-question="tv-box-dns"><h3>3. Change the box Private DNS (your call, system setting)</h3>
<p class="muted">Today the box uses dns.adguard.com: an uncached lookup costs 450 to 1350 ms. Automatic uses the LAN resolver (136 to 160 ms uncached, 0 ms cached). It changes DNS for the whole box, not just Wolfskin. I do it with ADB only when the TV is free and you say so; the TV-side fix in 2(a) works either way.</p>
<label class="opt"><input required type="radio" name="tv-box-dns" value="leave" data-choice-key="tv-box-dns"> <b>Leave it as it is</b> <span class="rec">recommended</span><span class="t">The TV-side cache covers the launch spinner.</span></label>
<label class="opt"><input required type="radio" name="tv-box-dns" value="automatic" data-choice-key="tv-box-dns"> <b>Switch to Automatic</b><span class="t">I change it when you free the TV and show before and after timings.</span></label>
<label class="opt"><input required type="radio" name="tv-box-dns" value="ask" data-choice-key="tv-box-dns"> <b>Ask me when the TV is free</b><span class="t">Decide then.</span></label>
<textarea aria-label="Notes for 3. Change the box Private DNS (your call, system setting)" name="tv-box-dns-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-speed-later-steps" data-lavish-question="tv-speed-later-steps"><h3>4. Later plan steps to queue (TV, after the build above)</h3>
<p class="muted">Prefetch and memory cache (title pages, 2 days); recorded Baseline Profile (1 to 2 days); frame cost and Compose fixes (2 to 3 days). Each has its own proof target in section 8.</p>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="all" data-choice-key="tv-speed-later-steps"> <b>Queue all three in that order</b> <span class="rec">recommended</span><span class="t">They follow the motion work, one lane at a time.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="prefetch" data-choice-key="tv-speed-later-steps"> <b>Only prefetch and memory cache</b><span class="t">Skip the profile and frame work for now.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="none" data-choice-key="tv-speed-later-steps"> <b>None yet</b><span class="t">Revisit after you have seen the motion build on the TV.</span></label>
<textarea aria-label="Notes for 4. Later plan steps to queue (TV, after the build above)" name="tv-speed-later-steps-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-conductarr-retrieval" data-lavish-question="tv-conductarr-retrieval"><h3>5. Conductarr title-read speed-up (needs a Conductarr release)</h3>
<p class="muted">Held-title cache with Arr webhook invalidation, readiness without duplicate reads or per-episode calls, 304 before render, token-check cache, compression on the TV door. 3 to 4 days, plus a release and a server-docs update. Title pages are slow because of this (readiness p50 2.9 s).</p>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="scope" data-choice-key="tv-conductarr-retrieval"> <b>Scope it first, then I decide</b> <span class="rec">recommended</span><span class="t">A short scout writes the exact change list and risks for a release; nothing ships.</span></label>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="go" data-choice-key="tv-conductarr-retrieval"> <b>Go: build it and release it</b><span class="t">You are giving the word to build and release Conductarr when it is green.</span></label>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="later" data-choice-key="tv-conductarr-retrieval"> <b>Not now</b><span class="t">Skip until after the TV-side wins.</span></label>
<textarea aria-label="Notes for 5. Conductarr title-read speed-up (needs a Conductarr release)" name="tv-conductarr-retrieval-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-build-order" data-lavish-question="tv-build-order"><h3>6. When should these land on the TV?</h3>
<p class="muted">You said you will not be using the TV during this session.</p>
<label class="opt"><input required type="radio" name="tv-build-order" value="as-ready" data-choice-key="tv-build-order"> <b>Bundle with the next install</b> <span class="rec">recommended</span><span class="t">The speed fixes and any approved motion work join the staged build; I install when you say the TV is free.</span></label>
<label class="opt"><input required type="radio" name="tv-build-order" value="separate" data-choice-key="tv-build-order"> <b>Install the speed fixes on their own first</b><span class="t">A quick build for steps 2(a) and 2(b) only, installed as soon as it is ready if you free the TV.</span></label>
<textarea aria-label="Notes for 6. When should these land on the TV?" name="tv-build-order-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<p class="muted small">Method, raw numbers and files: <code>data/tv-spike-motion-speed/report.md</code>. Nothing was changed in the app or on the server. The box was left on the Movies tab.</p>
<script>
{JS}
document.querySelectorAll('form.decision').forEach(form=>{{form.addEventListener('submit',event=>{{event.preventDefault();const key=form.dataset.lavishQuestion;const answer=new FormData(form).get(key);const status=form.querySelector('[role=status]');if(!answer){{status.textContent='Pick an option first.';return;}}if(!window.lavish||!window.lavish.queuePrompt){{status.textContent='Open this page in the live review board to queue an answer.';return;}}const note=form.querySelector('textarea').value.trim();const label=form.querySelector('h3').textContent;window.lavish.queuePrompt(label+': '+answer+(note?'\\n'+note:''),{{tag:'choice',text:label+': '+answer,element:form,queueKey:key,data:{{question:key,answer:answer,note:note}}}});status.textContent='Queued. Press Send to Agent in the review toolbar.';}});}});
</script></main></body></html>'''
os.makedirs(ASSETS, exist_ok=True)
src = os.path.join(HERE, 'tv-motion-speed')
for f in os.listdir(src):
shutil.copyfile(os.path.join(src, f), ASSETS + f)
os.chmod(ASSETS + f, 0o660)
with open(OUT, 'w') as fh:
fh.write(page)
os.chmod(OUT, 0o660)
print(OUT, len(page))

View file

@ -0,0 +1,56 @@
{
"specRevision": 6,
"direction": "A — As recommended",
"approvedReference": "https://pages.justinvisser.org/wolfskin/tv-motion-speed.html",
"frozenInputs": ["index.html", "proto.css", "proto.js", "build_page.py", "tv-motion-speed/"],
"checksums": "SHA256SUMS",
"stagePx": [1920, 1080],
"density": 2,
"skeleton": {
"fill": "#1b1b25",
"alpha": [0.55, 1, 0.55],
"cycleMs": 1400,
"halfCycleEasing": [0.42, 0, 0.58, 1],
"layerScope": "one layer per shelf or bounded header block; no per-card stagger",
"shimmer": false,
"focusable": false
},
"art": {
"networkRevealMs": 160,
"memoryDiskLocalRevealMs": 0,
"loaders": ["WolfskinImages", "upstream CoilConfig"],
"requestUrlChanges": false
},
"hero": {
"backdropFadeMs": 320,
"backdropEasing": [0.65, 0, 0.35, 1],
"homeBlendBoundsPx": [1920, 820],
"discoverBlendBoundsPx": [1920, 740],
"holdPreviousUntilIncomingArtOrFallback": true,
"copyOutMs": 120,
"copyEntryAtMs": 140,
"copyInMs": 200,
"copyRisePx": 14
},
"focus": {
"durationMs": 180,
"easing": [0.33, 1, 0.68, 1],
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"captionRisePx": 10,
"captionOutMs": 100,
"geometry": "unchanged"
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"rowEntry": {"durationMs": 180, "risePx": 24, "scope": "one row, never full screen"},
"lateSeriesReadiness": {"reservedHeightPx": 56, "fadeMs": 200, "translationPx": 0},
"reducedMotion": {
"sources": ["Compose window MotionDurationScale == 0", "LocalReducedMotion host flag"],
"maximumFadeMs": 80,
"pulse": false,
"translation": false,
"scrollAnimation": false
},
"nativeFrames": "https://pages.justinvisser.org/wolfskin/tv-motion-build/",
"onDeviceAcceptance": {"homeJankyPercentMaximum": 39.6, "homeP90MsMaximum": 65, "lateSeriesLayoutShiftPx": 0},
"deviceAccess": "not performed by this worker",
"specification": "../../tv-spec/spec.md"
}

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<h1>Wolfskin TV: faster, quieter, smoother</h1>
<p class="lead">Measured on your Xiaomi box with <b>Wolfskin (Opt)</b> 1.1.0-133 and from tank, on 2026-11-06. This page has the options, the plan, and live prototypes of the loading and motion. Each prototype sits next to a recording of the real app doing the same thing today.</p>
<div class="card2"><b>The short version</b><ul>
<li><b>The biggest wait isn't the app.</b> Two of four cold launches showed a spinner for <b>1.5 s</b>, and the other two showed none. The box looks up <code>jelly.justinvisser.org</code> through AdGuard Private DNS, and an uncached lookup takes <b>0.45–1.35 s</b>. The address only stays cached for 60 s, so the first launch after a minute's pause pays it, and so does the first title page that fetches TMDB art. A small TV-side DNS cache (or one box setting) removes it.</li>
<li><b>The second biggest is Conductarr.</b> On a title page, the detail, season and "Ready for you" reads take <b>1.1 s, 1.1 s and 2.9 s</b> at the median. Each one re-lists the whole Radarr/Sonarr library on every request, with no cache. A title page can't settle until the slowest arrives (3.4 s on a series). This needs a Conductarr release.</li>
<li><b>Screens are already quick, but they pop.</b> Home, the grids, Discover and Settings settle in <b>0.2–0.75 s</b>. What makes the wait visible is art and fields arriving in steps, and the layout jumping when a late line lands. That's fixable on the TV alone: fade art in, reserve space for late lines, keep last-known screens, and prefetch.</li>
<li><b>Frames are slow for two reasons.</b> At the median a frame takes 30–46 ms during moves, where 60 fps needs 16.7 ms. On grid and row scrolls, <b>30–44 %</b> of frames miss. The GPU alone takes 14–21 ms per frame, so motion here has to be cheap: fades, small rises and scale on one layer. No full-screen blur or shimmer sweeps.</li>
</ul></div>
<div class="ctl"><label><input type="checkbox" id="boxrate"> Play prototypes at the box's frame rate (40 ms per frame, measured)</label><label><input type="checkbox" id="rm"> Reduced motion (fades only, ≤100 ms)</label><span class="muted small">Prototypes loop. "Replay together" restarts the recording and the prototype in step. Counters are ms after the screen first reacts to the key.</span></div>
<h2>1. Where the time goes today</h2>
<h3>Per screen, from the first frame that reacts to the key until the screen stops changing</h3>
<p class="muted small">Method: on-device <code>screenrecord</code> (it only emits frames on change), scene-change detection with ffmpeg, logcat (OkHttp and ActivityManager) and Conductarr's own request log for the same seconds. "Settled" is the last visible change. Raw clips and sheets are in <code>data/tv-spike-motion-speed/</code>.</p>
<div class="tw"><table class="num"><thead><tr><th>Screen</th><th>First content</th><th>Settled</th><th>What arrives late</th><th>Repeat visit</th></tr></thead><tbody><tr><td>Cold start (am start -W TotalTime, 4 runs)</td><td>583 / 538 / 438 / 453 ms to first frame</td><td>picker at +0.3–0.4 s (DNS warm) or <b class="b">+1.65 s</b> (DNS cold)</td><td>Spinner while <code>Users/Me</code> then <code>System/Info/Public</code> run one after the other (ServerRepository.kt:104,107)</td><td>same, bimodal on the 60 s DNS cache</td></tr><tr><td>Who's watching → Home</td><td>hero text 135 ms</td><td>430 ms</td><td>shelf tiles flat grey until 400 ms, then all images pop</td><td>370 ms</td></tr><tr><td>Home → Discover tab</td><td>content 270 ms (dims first)</td><td>700 ms</td><td>posters pop in over 0.4 s</td><td>600 ms</td></tr><tr><td>Movies grid</td><td>230 ms (blank tiles)</td><td>750 ms</td><td>posters fill row by row</td><td>500 ms</td></tr><tr><td>Shows grid</td><td>280 ms</td><td>640 ms</td><td>posters</td><td>—</td></tr><tr><td>Title, movie in library (American Gangster)</td><td>430 ms (text)</td><td><b class="w">2.69 s</b></td><td>backdrop 470 ms; cast portraits 2.7 s (initials until then)</td><td>450 ms total</td></tr><tr><td>Title, Discover pick (Donnie Brasco)</td><td>980 ms (blank skeleton until then)</td><td>1.53 s</td><td>backdrop 1.37 s, cast 1.5 s</td><td>—</td></tr><tr><td>Title, series (Adults)</td><td>620 ms</td><td><b class="b">3.42 s</b></td><td>ratings and "Ready for you · by Mindel" land at 3.4 s and push the overview down</td><td>—</td></tr><tr><td>Person page (Martin Sheen)</td><td>620 ms</td><td>720 ms</td><td>filmography posters</td><td>—</td></tr><tr><td>Back from title / series / person</td><td>260 / 300 / 450 ms</td><td></td><td></td><td></td></tr><tr><td>Settings</td><td>220 ms</td><td>220 ms</td><td>—</td><td></td></tr><tr><td>Coming in sheet</td><td>74 ms</td><td>74 ms (from cache)</td><td>posters refresh silently</td><td></td></tr></tbody></table></div>
<h3>Frame timing per interaction (dumpsys gfxinfo, ART status <code>speed</code>)</h3>
<div class="tw"><table class="num"><thead><tr><th>Interaction</th><th>Frames</th><th>Janky</th><th>p50</th><th>p90</th><th>p99</th><th>Main thread slow / GPU slow</th></tr></thead><tbody><tr><td>Home rows scroll (down 7, up 6, right 5), run 1 / 2</td><td>149 / 115</td><td>38.9 % / 34.8 %</td><td>44 / 46 ms</td><td>69 / 65</td><td>89 / 101</td><td>43 / 52 · 27 / 35</td></tr><tr><td>Movies grid scroll (down 8, up 8), run 1 / 2</td><td>180 / 159</td><td>43.9 % / 32.1 %</td><td>30 / 30 ms</td><td>53 / 46</td><td>93 / 73</td><td>30 / 69 · 20 / 48</td></tr><tr><td>Discover scroll</td><td>146</td><td>30.1 %</td><td>34 ms</td><td>57</td><td>73</td><td>34 / 35</td></tr><tr><td>Tab switch ×4</td><td>158</td><td>18.4 %</td><td>28 ms</td><td>65</td><td>150</td><td>15 / 29</td></tr><tr><td>Title open + back ×3</td><td>103</td><td>33.0 %</td><td>48 ms</td><td>113</td><td>150</td><td>29 / 34</td></tr><tr><td>Who's watching → Home</td><td>15</td><td>53.3 %</td><td>61 ms</td><td>117</td><td>133</td><td>7 / 8</td></tr><tr><td>Open title (movie, first time)</td><td>20</td><td>60.0 %</td><td>57 ms</td><td>150</td><td>200</td><td>9 / 12</td></tr><tr><td>Back from person</td><td>12</td><td>75.0 %</td><td>93 ms</td><td>150</td><td>150</td><td>8 / 9</td></tr></tbody></table></div>
<p class="muted small">Frame phases on the Shows grid (framestats, 68 frames): record p50 0.5 / p90 10.3 ms, GPU issue p50 4.3 / p90 8.9 ms, GPU complete p50 <b>14.3</b> / p90 <b>21.2</b> ms, total p50 25.6 / p90 41.4 ms. The app renders at 1920×1080 and the box outputs 3840×2160 at 59.94 Hz. Today's grid is worse than the earlier Opt measurement (17.7 % janky), which was taken before the spacing and focus-ring builds.</p>
<h3>Network, from tank (10 runs each; cold = new connection, warm = kept-alive)</h3>
<div class="tw"><table class="num"><thead><tr><th>Call</th><th>Bytes</th><th>Cold p50 / p95</th><th>Warm p50 / p95</th><th>Cache headers</th></tr></thead><tbody><tr><td>Jellyfin UserViews (called 4–5× per launch)</td><td>2.3 KB</td><td>65 / 166 ms</td><td>46 / 51 ms</td><td>none</td></tr><tr><td>Home Resume (20)</td><td>1.4 KB</td><td>58 / 66</td><td>30 / 41</td><td>none</td></tr><tr><td>Home NextUp (20)</td><td>6.2 KB</td><td>71 / 91</td><td>47 / 52</td><td>none</td></tr><tr><td>Home Items/{{id}} per series (sequential)</td><td>4.0 KB</td><td>43 / 60</td><td>24 / 28</td><td>none</td></tr><tr><td>Home library shelf (20)</td><td>18.7 KB</td><td>85 / 116</td><td>74 / 84</td><td>none</td></tr><tr><td>Movies grid page (200)</td><td>51 KB</td><td>68 / 148</td><td>61 / 64</td><td>none</td></tr><tr><td>Title episodes with MediaSources + People</td><td><b class="w">96.8 KB</b></td><td>142 / 185</td><td>122 / 169</td><td>none</td></tr><tr><td>Title episodes, lean fields</td><td>6.5 KB</td><td>26 / 65</td><td>11 / 12</td><td>none</td></tr><tr><td>Grid poster, no size (today, LibraryReadFacade.kt:86)</td><td><b class="b">626 KB</b></td><td>26 / 30</td><td>8 / 9</td><td>max-age 1 y, immutable, ETag</td></tr><tr><td>Grid poster fillWidth 256×384 q96</td><td>31.6 KB</td><td>19 / 131</td><td>2 / 4</td><td>same</td></tr><tr><td>Grid poster 256×384 q80 WebP</td><td>11.2 KB</td><td>19 / 118</td><td>1 / 2</td><td>same</td></tr><tr><td>Backdrop 1280 q96 / q80 WebP</td><td>91 / 31 KB</td><td>19 / 25</td><td>2 / 2</td><td>same</td></tr><tr><td>TMDB poster w780 (today, ConductarrProjection.kt:9)</td><td>131 KB</td><td>128 / 144</td><td>49 / 70</td><td>max-age 1 y</td></tr><tr><td>TMDB poster w342 / w185</td><td>41 / 15 KB</td><td>100 / 76</td><td>31 / 30</td><td>max-age 1 y</td></tr></tbody></table></div>
<p class="muted small">Box-side DNS (ping timing, 6 samples 70 s apart): uncached <code>jelly.justinvisser.org</code> 490–1390 ms, <code>wolfskin-tv</code> 460–490 ms, <code>image.tmdb.org</code> 60–1170 ms; cached 40–50 ms. The box uses Private DNS <code>dns.adguard.com</code>. The LAN resolver 192.168.1.2 answers uncached names in 136–160 ms and cached in 0 ms. The A record behind both hosts has a 60 s TTL. Cold launches 1 and 3 were more than 60 s after the previous lookup, and 2 and 4 were within it.</p>
<h3>Conductarr TV routes, server-side (Conductarr request log, 22 h, 200/304)</h3>
<div class="tw"><table class="num"><thead><tr><th>Route</th><th>n</th><th>p50</th><th>p95</th><th>Body p50</th><th>Why</th></tr></thead><tbody><tr><td>activity/titles/{{tmdb}}/{{type}} (Ready for you)</td><td>45</td><td><b class="b">2856 ms</b></td><td>5002 ms</td><td>1.7 KB</td><td>Re-reads the held title twice, the Seerr requests and a Jellyfin GET per episode; no cache (activity/detail.go:21, request_evidence.go:45, users.go:262). The 5002 ms p95 is most likely the TV giving up: its read timeout is 5 s (ConductarrSession.kt:53), so on the slowest titles the line never appears</td></tr><tr><td>catalogue/titles/{{tmdb}}/{{type}} (detail)</td><td>51</td><td><b class="b">1198 ms</b></td><td>3217 ms</td><td>11.9 KB</td><td>Held-title read lists every Arr library unpaged, then Seerr details, then ratings; sequential (catalogue/detail.go:14-17, library_detail.go:81)</td></tr><tr><td>catalogue/tv/{{tmdb}}/seasons/{{n}}</td><td>76 / 17 (304)</td><td>1084 / 2282 ms</td><td>2664 ms</td><td>1 KB</td><td>Same held-title read; a 304 still renders and hashes the full body first (read_validators.go)</td></tr><tr><td>…/ratings</td><td>265</td><td>147 ms</td><td>449 ms</td><td>0.5 KB</td><td>6 h server cache, 300 titles</td></tr><tr><td>…/enrichment · …/related · …/cast</td><td>46 · 42 · 26</td><td>103 · 124 · 33 ms</td><td>465 · 261 · 78</td><td>3 · 14 · 12.5 KB</td><td>enrichment uncached</td></tr><tr><td>recommendations feed</td><td>42</td><td>16 ms</td><td>40 ms</td><td><b class="w">204 KB, uncompressed</b></td><td>no gzip/br on the TV door (Caddyfile.base:316-333, serve.go:140)</td></tr><tr><td>activity (polled every 30 s)</td><td>713 × 304</td><td>52 ms</td><td>83 ms</td><td>62.5 KB when 200</td><td></td></tr><tr><td>operator · profiles · dismissals · options · display</td><td></td><td>12–25 ms</td><td>30–93 ms</td><td></td><td>cheap; display is called ≈1 400×/day, once per poster</td></tr></tbody></table></div>
<p class="muted small">Every TV request also costs Conductarr an uncached Jellyfin <code>/Users/Me</code> to check the token (clients/jellyfin/token.go:42). Every authenticated response is <code>Cache-Control: no-store</code> (authority.go:32). The TV client revalidates with its own ETag store instead.</p>
<h3>Caches the app has today</h3>
<div class="tw"><table class=""><thead><tr><th>Cache</th><th>Where</th><th>Behaviour</th><th>Observed</th></tr></thead><tbody><tr><td>Wolfskin image loader (Coil 3)</td><td>WolfskinImages.kt:46-61</td><td>64 MiB memory, 128 MiB disk, 4 parallel reads, crossfade off</td><td>repeat visits paint art from memory; first grid visit downloads 626 KB per poster (no size)</td></tr><tr><td>Upstream Wholphin image loader</td><td>CoilConfig.kt:80-101</td><td>separate memory + 200 MB disk</td><td>a second copy of the same art in memory</td></tr><tr><td>Conductarr JSON</td><td>FileCacheStore, noBackupFilesDir/conductarr</td><td>saved copy shown first, then revalidated with ETag; no memory layer</td><td>title re-open: every ON_OPEN route re-fetched (cast 304, detail 875 ms again)</td></tr><tr><td>Home, library, title, person snapshots</td><td>filesDir/wolfskin-home, -library-cache, -title</td><td>disk JSON, painted first</td><td>repeat visits 370–500 ms instead of 430–750</td></tr><tr><td>HTTP cache (OkHttp)</td><td>none</td><td>—</td><td>Jellyfin JSON never cached; images rely on Coil only</td></tr><tr><td>DNS</td><td>system only</td><td>60 s TTL through Private DNS</td><td>1.5 s launch spinner when expired</td></tr></tbody></table></div>
<h2>2. Load states</h2>
<p>Today: a spinner on launch, flat grey blocks on Home, the grids and title pages, and a blank title page until Conductarr answers on Discover picks. Images snap in because crossfade is off in both loaders. Nothing shows a "loading" sentence; that rule already holds.</p>
<div class="tw"><table class=""><thead><tr><th>Option</th><th>Expected gain (measured basis)</th><th>Effort</th><th>Risk</th><th>What you would see</th><th>Ships in</th></tr></thead><tbody><tr><td>Picker from the saved people list, verify in the background</td><td>Removes the 1.5 s spinner on every DNS-cold launch (2 of 4 measured)</td><td>S</td><td>Low. A revoked session must still land on the recovery picker</td><td>The launcher fades straight into Who's watching</td><td>TV</td></tr><tr><td>Shaped skeletons that breathe (opacity only, staggered)</td><td>No speed change; replaces the flat grey and spinner states</td><td>S</td><td>Low. One alpha layer per row</td><td>Card-shaped tiles gently pulsing until the art lands</td><td>TV</td></tr><tr><td>Art fades in (120–160 ms) instead of popping</td><td>Removes the pop on every first visit</td><td>XS</td><td>Low. Keep it off for memory-cache hits so repeat visits stay instant</td><td>Posters settle instead of flickering in</td><td>TV</td></tr><tr><td>Reserve space for late fields (ratings, Ready for you, genres, overview)</td><td>No layout jump at 3.4 s on series pages</td><td>S</td><td>Low</td><td>The line fades into a gap that was already there</td><td>TV</td></tr><tr><td>Title page paints what the card already knew</td><td>First content 430–980 ms → about 60 ms</td><td>M</td><td>Medium. Card data must match detail (year, runtime, ratings)</td><td>Title, year, ratings and Play at once, over a colour wash of the poster</td><td>TV</td></tr><tr><td>Shimmer sweep skeletons</td><td>None</td><td>S</td><td><b class="w">High on this GPU</b>: a moving gradient over every card, every frame</td><td>Light sweeps across the tiles. Not recommended</td><td>TV</td></tr></tbody></table></div>
<h3>See it: launch</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today, DNS cold (2 of 4 launches): 1.5 s spinner</p><div class="sbox"><video src="tv-motion-speed/before-launch-spinner.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">Today, DNS warm</p><div class="sbox"><video src="tv-motion-speed/before-launch-fast.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">After: no spinner, people from the saved list</p><div class="sbox" id="p-launch" data-scene="launch" data-lead="180"></div></div></div></div>
<h3>See it: skeleton styles</h3>
<p class="muted small">Pick a style. Content lands at 900 ms in each, about the Movies grid's first visit.</p>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today: Movies grid, first visit</p><div class="sbox"><video src="tv-motion-speed/before-movies-grid.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">Options</p><div class="tabs" data-variants="p-skel"></div><div class="sbox" id="p-skel" data-scene="skeleton" data-lead="140"></div></div></div></div>
<h2>3. Motion and transitions</h2>
<p>Today's motion tokens: focus scale 1.08 over 140 ms, ring and caption fades of 140 ms, a nav blob spring, and 160–180 ms row scrolls. There are no screen transitions or hero cross-fades, and reduced motion is defined but nothing reads it (WolfskinTokens.kt:218). At 30–46 ms per frame, a 140 ms tween is drawn in 3–4 frames. Tick <b>box frame rate</b> at the top to see that.</p>
<div class="tw"><table class=""><thead><tr><th>Option</th><th>Expected gain (measured basis)</th><th>Effort</th><th>Risk</th><th>What you would see</th><th>Ships in</th></tr></thead><tbody><tr><td>Staged reveal on screen entry (hero copy rises 16 px, rows rise 24 px, staggered 30–40 ms, 180 ms ease-out)</td><td>Perceived: art arrives into motion instead of popping. Cost: translate + alpha on one layer per row</td><td>S</td><td>Low. Stagger must not delay focus</td><td>Home and Discover settle like a curtain rather than tiles snapping</td><td>TV</td></tr><tr><td>Hero cross-fade (backdrop 320 ms, copy hands off)</td><td>Removes the hard cut when the hero changes</td><td>S</td><td>Medium. Two 1080p bitmaps for 320 ms; the GPU is already at 14–21 ms/frame, so fade the backdrop only and keep the scrim static</td><td>The next pick dissolves in</td><td>TV</td></tr><tr><td>Focus: 180 ms ease-out, caption rises 10 px</td><td>Same frame cost as today; the curve hides dropped frames better</td><td>XS</td><td>Low</td><td>Focus glides rather than ticks</td><td>TV</td></tr><tr><td>Title entry: grid fades 160 ms, page builds from the poster colour</td><td>Hides the 470 ms backdrop fetch</td><td>M</td><td>Medium (see load states)</td><td>No black gap between grid and title</td><td>TV</td></tr><tr><td>Shared-element poster → title sheet</td><td>None measurable</td><td>L</td><td><b class="w">High</b>. Compose shared elements across NavHost destinations on this GPU; the movie page has no poster sheet when a backdrop exists</td><td>The card flies into place. Not recommended now</td><td>TV</td></tr><tr><td>Honour reduced motion (system animator scale 0 or a Wolfskin toggle)</td><td>Accessibility</td><td>S</td><td>Low</td><td>Fades only, ≤100 ms; the toggle at the top shows it</td><td>TV</td></tr></tbody></table></div>
<h3>See it: Who's watching → Home</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today: grey tiles, then art pops at 400 ms</p><div class="sbox"><video src="tv-motion-speed/before-home-enter.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">After</p><div class="sbox" id="p-home" data-scene="home" data-lead="200"></div></div></div></div>
<h3>See it: tab switch and row reveal (Home → Discover)</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today</p><div class="sbox"><video src="tv-motion-speed/before-discover-tab.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">After</p><div class="sbox" id="p-tab" data-scene="tab" data-lead="150"></div></div></div></div>
<h3>See it: title page entry</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today: American Gangster, first open (cast at 2.7 s)</p><div class="sbox"><video src="tv-motion-speed/before-title-movie.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">Today: Donnie Brasco from Discover, blank until 980 ms</p><div class="sbox"><video src="tv-motion-speed/before-title-discover.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">After: Apocalypse Now from the same grid</p><div class="sbox" id="p-title" data-scene="title" data-lead="170"></div></div></div></div>
<h3>See it: a late line on a series page</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today: Adults, the readiness line lands at 3.4 s and pushes the text down</p><div class="sbox"><video src="tv-motion-speed/before-title-series.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">After</p><div class="tabs" data-variants="p-series"></div><div class="sbox" id="p-series" data-scene="series" data-lead="150"></div></div></div></div>
<h3>See it: focus move</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button><span class="muted small">Tick box frame rate to compare at 25 fps.</span></div>
<div class="panes"><div class="pane"><p class="lab">Today, real grid</p><div class="sbox"><video src="tv-motion-speed/before-movies-grid.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">Focus along a row</p><div class="tabs" data-variants="p-focus"></div><div class="sbox" id="p-focus" data-scene="focus" data-lead="0"></div></div></div></div>
<h3>See it: hero cross-fade</h3>
<div class="pair"><div class="ph"><button type="button" class="replay">Replay together</button></div>
<div class="panes"><div class="pane"><p class="lab">Today (Discover hero)</p><div class="sbox"><video src="tv-motion-speed/before-discover-tab.webm" muted loop playsinline autoplay preload="auto"></video></div></div><div class="pane"><p class="lab">Hero advances</p><div class="tabs" data-variants="p-hero"></div><div class="sbox" id="p-hero" data-scene="hero" data-lead="0"></div></div></div></div>
<h2>4. Caching</h2>
<div class="tw"><table class=""><thead><tr><th>Option</th><th>Expected gain (measured basis)</th><th>Effort</th><th>Risk</th><th>What you would see</th><th>Ships in</th></tr></thead><tbody><tr><td>Persisted DNS answers (OkHttp Dns: serve the last address at once, refresh behind)</td><td>Removes 0.45–1.35 s on launch and on the first TMDB image after any 60 s pause</td><td>S</td><td>Low. Fall back to the system lookup if the cached address fails</td><td>No spinner on launch; first cast photos in ≈0.6 s instead of 2.7 s [inference: DNS is the cast delay]</td><td>TV</td></tr><tr><td>Warm the connections at process start (Jellyfin, Conductarr door, TMDB) in parallel</td><td>Overlaps DNS + TLS with the 450 ms first frame</td><td>XS</td><td>Low</td><td>Same as above, smaller</td><td>TV</td></tr><tr><td>Memory layer over the Conductarr disk cache</td><td>Skips disk read and JSON decode on back and re-open (title re-open settles at 450 ms today; ~250 expected) [inference]</td><td>S</td><td>Low</td><td>Back and re-open feel instant</td><td>TV</td></tr><tr><td>Stale-while-revalidate for ON_OPEN title routes (skip refetch if validated in the last 5 min)</td><td>Re-opening a title stops costing the server 875–2 900 ms</td><td>S</td><td>Low. Requests and readiness may be 5 min old; keep requests on FORCE</td><td>Nothing visible; less churn</td><td>TV</td></tr><tr><td>Prefetch the focused card's title page (detail JSON + backdrop) after 350 ms of dwell</td><td>Title first content 430 ms → about 60 ms; backdrop already decoded</td><td>M</td><td>Medium. Bandwidth: at most one title per dwell; cancel on move</td><td>Opening a title is instant</td><td>TV</td></tr><tr><td>Pre-decode last-known Home art while Who's watching is up</td><td>Home settles at 430 ms → about 250 ms with no pops</td><td>S</td><td>Low. Memory: 6 backdrops ≈ 21 MiB of the 64 MiB</td><td>Home appears whole</td><td>TV</td></tr><tr><td>One image loader instead of two</td><td>Frees a second memory cache (Coil default ≈ 25 % of the heap) [inference]</td><td>M</td><td>Medium. Upstream screens use their own</td><td>Fewer re-downloads after big screens</td><td>TV</td></tr><tr><td>OkHttp HTTP cache for Jellyfin JSON</td><td>Small. Jellyfin sends no cache headers, so only conditional revalidation is possible</td><td>S</td><td>Low</td><td>Nothing visible</td><td>TV</td></tr></tbody></table></div>
<h2>5. Backend retrieval</h2>
<div class="tw"><table class=""><thead><tr><th>Option</th><th>Expected gain (measured basis)</th><th>Effort</th><th>Risk</th><th>What you would see</th><th>Ships in</th></tr></thead><tbody><tr><td>Cache the held-title read in Conductarr (Arr library list, queue, history) for 30–60 s, shared across routes</td><td>Title detail 1.2 s → ≈0.1 s, season 1.1 s → ≈0.1 s, readiness 2.9 s → <1 s [inference from the code path]</td><td>M</td><td>Medium. Freshness of "Ready" after an import; invalidate on Arr webhook (already received)</td><td>Series pages settle in under a second; no late line</td><td>Conductarr release</td></tr><tr><td>Readiness: drop the duplicate held-title read and the per-episode Jellyfin GETs</td><td>The 5 s tail on readiness</td><td>M</td><td>Medium</td><td>"Ready for you" appears with the page</td><td>Conductarr release</td></tr><tr><td>Compress the TV door (Caddy <code>encode zstd gzip</code>)</td><td>Feed 204 KB → ~25–35 KB [inference: JSON typically 6–8×], activity 62 KB → ~8 KB</td><td>XS</td><td>Low</td><td>Discover opens a little faster on Wi-Fi</td><td>Caddy change (server-docs)</td></tr><tr><td>304 before rendering (keep a per-route version, not a hash of the full body)</td><td>Season 304 2.3 s → ms</td><td>M</td><td>Medium</td><td>Nothing visible except speed</td><td>Conductarr release</td></tr><tr><td>Cache the token check (<code>/Users/Me</code>) for 60 s per token</td><td>Removes a Jellyfin round trip from every TV request (~10–40 ms each, 6–10 per title page)</td><td>S</td><td>Low. Revocation lag 60 s</td><td>Nothing visible</td><td>Conductarr release</td></tr><tr><td>Batch display reads (one call for a row of posters)</td><td>≈1 400 display calls/day → a few dozen</td><td>M</td><td>Low</td><td>Coming in and Discover rows fill together</td><td>Conductarr release + TV</td></tr><tr><td>Size the grid posters (<code>fillWidth=256&fillHeight=384&quality=80&format=Webp</code>)</td><td>626 KB → 11 KB per poster (57×); 85 films 53 MB → 1 MB</td><td>XS</td><td>Low</td><td>Movies and Shows fill at once on first visit</td><td>TV</td></tr><tr><td>Ask TMDB for w342 posters, not w780</td><td>131 KB → 41 KB per Discover poster</td><td>XS</td><td>Low. 342 px for a 256 px card</td><td>Discover rows fill sooner</td><td>TV</td></tr><tr><td>Lean episode fields (drop MediaSources/MediaStreams/People from the list; fetch them on Play)</td><td>96.8 KB → 6.5 KB per season, 142 → 26 ms</td><td>S</td><td>Medium. The episode row shows file chips</td><td>Series pages settle sooner</td><td>TV</td></tr><tr><td>Fewer launch calls: UserViews 4–5× and LiveTv/Recordings/Folders 2× per launch</td><td>≈250 ms of serial calls</td><td>S</td><td>Low</td><td>Nothing visible</td><td>TV</td></tr></tbody></table></div>
<h2>6. Kotlin and Compose</h2>
<div class="tw"><table class=""><thead><tr><th>Option</th><th>Expected gain (measured basis)</th><th>Effort</th><th>Risk</th><th>What you would see</th><th>Ships in</th></tr></thead><tbody><tr><td>Library load re-emits the full list per 200-item page and re-sorts each time (LibraryReadFacade.kt:96, LibraryGridState.kt:99)</td><td>Grid first visit; matters more as the library grows</td><td>S</td><td>Low</td><td>Grid appears in one step</td><td>TV</td></tr><tr><td>Hoist the Regex in titleFallbackBackground / titleAmbientBackground (TitleArtwork.kt:152,167)</td><td>Draw-time cost per card</td><td>XS</td><td>Low</td><td>—</td><td>TV</td></tr><tr><td>Discover reads firstVisibleItemIndex in composition (DiscoverScreen.kt:107) → derivedStateOf</td><td>Fewer recompositions while scrolling Discover (34 of 44 janky frames were UI-thread)</td><td>XS</td><td>Low</td><td>Smoother Discover scroll</td><td>TV</td></tr><tr><td>NavBar label colour read in composition (NavBar.kt:86) → draw-phase</td><td>Tab switch frames</td><td>XS</td><td>Low</td><td>—</td><td>TV</td></tr><tr><td>WolfskinImages.loader() is @Synchronized and called in composition</td><td>Lock on every poster recomposition</td><td>XS</td><td>Low</td><td>—</td><td>TV</td></tr><tr><td>Cut full-screen layers: hero blur (RenderEffect) + two full-screen gradient scrims + ambient</td><td>GPU 14–21 ms/frame is the floor today; pre-blurred tiny art and one combined scrim drawn once</td><td>M</td><td>Medium. Must match the approved frames</td><td>Smoother scroll on Home and Discover</td><td>TV</td></tr><tr><td>Keys and contentType</td><td>Already done everywhere</td><td>—</td><td>—</td><td>—</td><td></td></tr></tbody></table></div>
<h2>7. Baseline profile</h2>
<p>Today: a hand seed of 6 lines (<code>app/src/optimized/baselineProfiles/baseline-prof.txt</code>), no generator and no Macrobenchmark. The box is at <code>speed</code> only because it was forced with <code>cmd package compile</code>. Every new install starts at <code>verify</code> (interpreted/JIT) until background dexopt runs.</p>
<div class="tw"><table class="num"><thead><tr><th>State (same box, earlier tv-perf run)</th><th>Cold start</th><th>Home scroll janky / p50 / p90</th><th>Movies grid</th></tr></thead><tbody><tr><td>Opt just installed (verify)</td><td>0.5–1.0 s</td><td>51.4 % / 65 / 117 ms</td><td>—</td></tr><tr><td>Opt after forced AOT (speed)</td><td>0.39–0.44 s</td><td>29.2 % / 38 / 61 ms</td><td>17.7 % / 19 / 36 ms</td></tr></tbody></table></div>
<p><b>Expected from a recorded profile</b> (Baseline Profile Gradle plugin plus one UiAutomator journey through picker, Home, Discover, the grids, a title and a person page): a fresh install behaves like the AOT row from the first launch. That is roughly −40 % janky frames on Home scroll and up to half a second off cold start, for every build the second mate installs. It does <b>not</b> change steady state on a box already at <code>speed</code>. Effort M: the journey can run on an emulator in the build container; the box itself isn't needed. Risk low.</p>
<h2>8. Recommended plan</h2>
<ol class="plan">
<li><b>DNS and launch (TV, S, ~1 day).</b> Persisted DNS answers plus parallel connection warm-up at process start. Show the picker from saved people and check the session in the background. <i>Prove it:</i> 6 cold launches spaced &gt;60 s apart, picker at ≤0.5 s every time (today 1.65 s in half); first cast photos on a new title ≤1 s.</li>
<li><b>Image sizes (TV, XS, hours).</b> Sized WebP grid posters, TMDB w342, lean episode fields. <i>Prove it:</i> first Movies visit settles ≤400 ms (today 750); tank payload table.</li>
<li><b>Load states and motion (TV, M, 2–3 days, against your pick on this page).</b> Breathing shaped skeletons, art fade-in for network loads only, reserved late-line slots, staged reveal, hero cross-fade, reduced motion. <i>Prove it:</i> recordings like the ones above, no layout change after first content, gfxinfo janky no worse than today.</li>
<li><b>Prefetch and memory cache (TV, M, 2 days).</b> Dwell prefetch of title pages, a memory layer over the Conductarr cache, pre-decoded Home art behind the picker. <i>Prove it:</i> title first content ≤100 ms and Home settled ≤250 ms.</li>
<li><b>Conductarr release (M–L, 2–4 days):</b> held-title cache with webhook invalidation, readiness without duplicate reads or per-episode GETs, 304 before render, token-check cache. <b>Caddy</b>: compress the TV door. <i>Prove it:</i> the route table above for 24 h, with detail, season and readiness p50 ≤200 ms and p95 ≤600 ms, and the feed on the wire ≤40 KB.</li>
<li><b>Baseline profile (TV build, M, 1–2 days).</b> Recorded journey profile. <i>Prove it:</i> fresh install without a forced compile, Home scroll janky ≤30 %, cold start ≤0.5 s.</li>
<li><b>Frame cost (TV, M, 2–3 days).</b> The Compose fixes in section 6 and fewer full-screen layers. <i>Prove it:</i> Home and grid scroll janky ≤20 %, GPU p90 ≤16 ms in framestats.</li>
</ol>
<p><b>Total:</b> about 2 weeks of TV work and 3–4 days for a Conductarr release. Steps 1–2 alone remove the two waits you can feel today (the launch spinner and grids filling slowly), in about a day and a half.</p>
<p class="muted small">A box-side alternative to step 1's DNS part: switch the box's Private DNS from <code>dns.adguard.com</code> to Automatic, so it uses the LAN resolver (136–160 ms uncached, 0 ms cached). That changes the whole box, not just Wolfskin, so it's your call; the TV-side fix works either way.</p>
<h2>9. Your picks (all of them on one page)</h2>
<p class="muted">Six decisions. Each locks the moment you send it and the build lanes start on it. Nothing here touches the TV while you are playing.</p>
<form class="decision" data-decision-key="tv-motion-speed-direction" data-lavish-question="tv-motion-speed-direction"><h3>1. Load-state and motion direction</h3>
<p class="muted">Decides plan step 3 (skeletons and motion). The prototypes above show each part.</p>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="recommended" data-choice-key="tv-motion-speed-direction"> <b>A · As recommended</b> <span class="rec">recommended</span><span class="t">Breathing shaped skeletons, art fades in only when it came from the network, reserved space for late lines, hero cross-fade, reduced-motion safe.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="flat" data-choice-key="tv-motion-speed-direction"> <b>B · Same, but flat skeletons</b><span class="t">Still card-shaped, no pulse. The calmest option.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="shimmer" data-choice-key="tv-motion-speed-direction"> <b>C · Same, but shimmer skeletons</b><span class="t">A light sweep across the tiles. Costs GPU on this box every frame while loading.</span></label>
<label class="opt"><input required type="radio" name="tv-motion-speed-direction" value="changes" data-choice-key="tv-motion-speed-direction"> <b>D · Different</b><span class="t">Say what in the note: a prototype to change, a speed, an option to drop.</span></label>
<textarea aria-label="Notes for 1. Load-state and motion direction" name="tv-motion-speed-direction-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-speed-quick-fixes" data-lavish-question="tv-speed-quick-fixes"><h3>2. The two quick speed fixes (about a day and a half, TV only)</h3>
<p class="muted">(a) DNS cache with stale-serve plus a picker painted from saved people, so the launch spinner goes away; (b) sized WebP grid posters, smaller TMDB art, lean episode fields, so grids fill fast. Both ship in the next TV build.</p>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="go" data-choice-key="tv-speed-quick-fixes"> <b>Go, start now</b> <span class="rec">recommended</span><span class="t">Two small lanes, merged and staged for the next install.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="a-only" data-choice-key="tv-speed-quick-fixes"> <b>Only (a), the launch spinner</b><span class="t">Leave the image sizing for later.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="b-only" data-choice-key="tv-speed-quick-fixes"> <b>Only (b), the image sizes</b><span class="t">Leave the DNS cache for later.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-quick-fixes" value="later" data-choice-key="tv-speed-quick-fixes"> <b>Not now</b><span class="t">Skip until after the motion work.</span></label>
<textarea aria-label="Notes for 2. The two quick speed fixes (about a day and a half, TV only)" name="tv-speed-quick-fixes-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-box-dns" data-lavish-question="tv-box-dns"><h3>3. Change the box Private DNS (your call, system setting)</h3>
<p class="muted">Today the box uses dns.adguard.com: an uncached lookup costs 450 to 1350 ms. Automatic uses the LAN resolver (136 to 160 ms uncached, 0 ms cached). It changes DNS for the whole box, not just Wolfskin. I do it with ADB only when the TV is free and you say so; the TV-side fix in 2(a) works either way.</p>
<label class="opt"><input required type="radio" name="tv-box-dns" value="leave" data-choice-key="tv-box-dns"> <b>Leave it as it is</b> <span class="rec">recommended</span><span class="t">The TV-side cache covers the launch spinner.</span></label>
<label class="opt"><input required type="radio" name="tv-box-dns" value="automatic" data-choice-key="tv-box-dns"> <b>Switch to Automatic</b><span class="t">I change it when you free the TV and show before and after timings.</span></label>
<label class="opt"><input required type="radio" name="tv-box-dns" value="ask" data-choice-key="tv-box-dns"> <b>Ask me when the TV is free</b><span class="t">Decide then.</span></label>
<textarea aria-label="Notes for 3. Change the box Private DNS (your call, system setting)" name="tv-box-dns-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-speed-later-steps" data-lavish-question="tv-speed-later-steps"><h3>4. Later plan steps to queue (TV, after the build above)</h3>
<p class="muted">Prefetch and memory cache (title pages, 2 days); recorded Baseline Profile (1 to 2 days); frame cost and Compose fixes (2 to 3 days). Each has its own proof target in section 8.</p>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="all" data-choice-key="tv-speed-later-steps"> <b>Queue all three in that order</b> <span class="rec">recommended</span><span class="t">They follow the motion work, one lane at a time.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="prefetch" data-choice-key="tv-speed-later-steps"> <b>Only prefetch and memory cache</b><span class="t">Skip the profile and frame work for now.</span></label>
<label class="opt"><input required type="radio" name="tv-speed-later-steps" value="none" data-choice-key="tv-speed-later-steps"> <b>None yet</b><span class="t">Revisit after you have seen the motion build on the TV.</span></label>
<textarea aria-label="Notes for 4. Later plan steps to queue (TV, after the build above)" name="tv-speed-later-steps-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-conductarr-retrieval" data-lavish-question="tv-conductarr-retrieval"><h3>5. Conductarr title-read speed-up (needs a Conductarr release)</h3>
<p class="muted">Held-title cache with Arr webhook invalidation, readiness without duplicate reads or per-episode calls, 304 before render, token-check cache, compression on the TV door. 3 to 4 days, plus a release and a server-docs update. Title pages are slow because of this (readiness p50 2.9 s).</p>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="scope" data-choice-key="tv-conductarr-retrieval"> <b>Scope it first, then I decide</b> <span class="rec">recommended</span><span class="t">A short scout writes the exact change list and risks for a release; nothing ships.</span></label>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="go" data-choice-key="tv-conductarr-retrieval"> <b>Go: build it and release it</b><span class="t">You are giving the word to build and release Conductarr when it is green.</span></label>
<label class="opt"><input required type="radio" name="tv-conductarr-retrieval" value="later" data-choice-key="tv-conductarr-retrieval"> <b>Not now</b><span class="t">Skip until after the TV-side wins.</span></label>
<textarea aria-label="Notes for 5. Conductarr title-read speed-up (needs a Conductarr release)" name="tv-conductarr-retrieval-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<form class="decision" data-decision-key="tv-build-order" data-lavish-question="tv-build-order"><h3>6. When should these land on the TV?</h3>
<p class="muted">You said you will not be using the TV during this session.</p>
<label class="opt"><input required type="radio" name="tv-build-order" value="as-ready" data-choice-key="tv-build-order"> <b>Bundle with the next install</b> <span class="rec">recommended</span><span class="t">The speed fixes and any approved motion work join the staged build; I install when you say the TV is free.</span></label>
<label class="opt"><input required type="radio" name="tv-build-order" value="separate" data-choice-key="tv-build-order"> <b>Install the speed fixes on their own first</b><span class="t">A quick build for steps 2(a) and 2(b) only, installed as soon as it is ready if you free the TV.</span></label>
<textarea aria-label="Notes for 6. When should these land on the TV?" name="tv-build-order-note" placeholder="Optional note"></textarea><p><button type="submit">Queue this answer</button> <span role="status" aria-live="polite"></span></p></form>
<p class="muted small">Method, raw numbers and files: <code>data/tv-spike-motion-speed/report.md</code>. Nothing was changed in the app or on the server. The box was left on the Movies tab.</p>
<script>
// Wolfskin TV motion prototypes. One clock per stage drives Web Animations; "box rate" quantises the clock
// to the measured frame time on the Xiaomi box (p50 40 ms while moving, data/tv-spike-motion-speed/raw/gfx-*),
// so the same motion can be watched at 60 fps and at the rate the box actually draws today.
(() => {
const A = 'tv-motion-speed/';
const BOX_MS = 40;
const EASE = 'cubic-bezier(.25,.1,.25,1)', OUT = 'cubic-bezier(.33,1,.68,1)', INOUT = 'cubic-bezier(.65,0,.35,1)';
const POSTERS = [
['American Gangster', '2007 · 2h 36m'], ['Annie Hall', '1977 · 1h 33m'], ['Apocalypse Now', '1979 · 2h 27m'],
['Arrival', '2016 · 1h 56m'], ['Avatar: The Last Airbender', '2026 · 1h 52m'], ['Bohemian Rhapsody', '2018 · 2h 15m'],
['Braveheart', '1995 · 2h 58m'], ['Citizen Kane', '1941 · 1h 59m'], ['Spirited Away', '2001 · 2h 5m'],
['12 Years a Slave', '2013 · 2h 14m'], ['A Bronx Tale', '1993 · 2h 1m'], ['All the Money in the World', '2017 · 2h 13m'],
];
const poster = i => `${A}p${i + 1}.webp`;
const html = (s) => { const t = document.createElement('template'); t.innerHTML = s.trim(); return t.content.firstChild; };
function nav(cur, focus) {
const items = ['Home', 'Discover', 'Movies', 'Shows'];
return `<div class="nav"><span class="wm">Wolf<b>skin</b></span>${items.map((n, i) => `<span class="ni ${i === cur ? 'cur' : ''} ${i === focus ? 'f' : ''}">${n}</span>`).join('')}<span class="nsp"></span><span class="av">S</span></div>`;
}
function rate(rt, pc) { return `<span class="rate"><i></i>${rt}</span><span class="rate"><i class="pc"></i>${pc}</span>`; }
function heroCopy(o) {
return `<div class="copy" style="bottom:${o.bottom || 330}px"><div class="kicker">${o.kicker}</div><div class="ht">${o.title}</div><div class="hm">${o.meta}</div>${o.ov ? `<div class="ho">${o.ov}</div>` : ''}<div class="btns">${o.btns}</div></div>`;
}
// ---------- scenes: build(stage, T, v) where v is the selected variant ----------
const SCENES = {
// 1. launch -> Who's watching
launch: { len: 1400, variants: { after: 'After: people from the saved list' }, build(s, T) {
s.append(html(`<div class="abs" style="inset:0;background:url(${A}launcher.webp) center/cover"></div>`));
const bg = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a"></div>`));
T.a(bg, [{ opacity: 0 }, { opacity: 1 }], 0, 160);
const pk = s.appendChild(html(`<div class="abs" style="inset:0"><div class="abs" style="left:96px;top:60px;font-size:36px;font-weight:800">Wolf<b style="color:var(--accent)">skin</b></div><div class="pk">Who’s watching?</div>
${[['J', '#64c3ff', 'justin', 540], ['M', '#ffa47a', 'mindel', 850], ['S', '#9be38f', 'shared', 1160]].map(([l, c, n, x]) => `<div class="person ${n === 'shared' ? 'ring' : ''}" style="left:${x}px;background:${c}">${l}</div><div class="pname" style="left:${x}px">${n}</div>`).join('')}</div>`));
T.a(pk, [{ opacity: 0 }, { opacity: 1 }], 450, 160);
} },
// 2. picker -> Home
home: { len: 1100, variants: { after: 'After: last Home painted from disk, art pre-decoded' }, build(s, T) {
const home = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${A}b2t.webp);filter:blur(30px);transform:scale(1.1)"></div>
<div class="bd" style="background-image:url(${A}b2.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '▸ Continue watching', title: 'Arrival', meta: '2016 · 1h 56m · 38 min left ' + rate('94%', '82%'), ov: 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.', btns: '<span class="btn pri f">▶ Resume</span><span class="btn">ⓘ Details</span>', bottom: 340 })}
<div class="sh" style="top:780px">Next up</div>
${[3, 4, 1, 2].map((b, i) => `<div class="card tile" style="left:${96 + i * 440}px;top:850px"><div class="img" style="background-image:url(${A}b${b}.webp)"></div><div class="cap">${['American Gangster', 'Bohemian Rhapsody', 'Apocalypse Now', 'Arrival'][i]}</div></div>`).join('')}
${nav(0)}</div>`));
const picker = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a;z-index:10"><div class="pk">Who’s watching?</div>
${[['J', '#64c3ff', 'justin', 540], ['M', '#ffa47a', 'mindel', 850], ['S', '#9be38f', 'shared', 1160]].map(([l, c, n, x]) => `<div class="person ${n === 'shared' ? 'ring' : ''}" style="left:${x}px;background:${c}">${l}</div><div class="pname" style="left:${x}px">${n}</div>`).join('')}</div>`));
T.a(picker, [{ opacity: 1 }, { opacity: 0 }], 0, 140);
T.a(home.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 40, 120);
T.a(home.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 120, 220, INOUT);
T.a(home.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 60, 180, OUT);
T.a(home.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 120, 160);
home.querySelectorAll('.card').forEach((c, i) => {
T.a(c, [{ opacity: 0, transform: 'translateY(24px)' }, { opacity: 1, transform: 'none' }], 140 + i * 40, 180, OUT);
});
} },
// 3. skeleton styles on a poster grid
skeleton: { len: 2200, variants: { breathe: 'Breathe (pick)', flat: 'Flat blocks (today)', shimmer: 'Shimmer sweep', spinner: 'Spinner (today, launch)' }, build(s, T, v) {
s.append(html(nav(2)));
s.append(html(`<div class="abs" style="left:96px;top:150px;font-size:72px;font-weight:800;letter-spacing:-.02em">Movies <span style="font-size:30px;font-weight:500;color:var(--muted)">85 films</span></div>`));
const cells = [];
for (let r = 0; r < 2; r++) for (let c = 0; c < 6; c++) cells.push([96 + c * 296, 330 + r * 460, r * 6 + c]);
if (v === 'spinner') { const sp = s.appendChild(html('<div class="spin"></div>')); T.a(sp, [{ opacity: 1 }, { opacity: 0 }], 900, 120); }
cells.forEach(([x, y, i]) => {
if (v !== 'spinner') {
const sk = s.appendChild(html(`<div class="card poster sk ${v === 'breathe' ? 'breathe' : v === 'shimmer' ? 'shim' : ''}" style="left:${x}px;top:${y}px;${v === 'breathe' ? `animation-delay:${(i % 6) * 90}ms` : ''}"></div>`));
T.a(sk, [{ opacity: 1 }, { opacity: 0 }], 900 + i * 25, 160);
}
const c = s.appendChild(html(`<div class="card poster" style="left:${x}px;top:${y}px;background-image:url(${poster(i)})"></div>`));
T.a(c, [{ opacity: 0 }, { opacity: 1 }], 900 + i * 25, 160);
});
} },
// 4. tab switch: Home -> Discover, rows reveal
tab: { len: 1100, variants: { after: 'After: last Discover painted, rows rise, art fades' }, build(s, T) {
const disc = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="bd" style="background-image:url(${A}b4.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '✦ For you', title: 'Bohemian Rhapsody', meta: 'Movie · 2018 · Drama, Music ' + rate('60%', '85%'), ov: 'Singer Freddie Mercury, guitarist Brian May, drummer Roger Taylor and bass guitarist John Deacon take the music world by storm.', btns: '<span class="btn">ⓘ Details</span>', bottom: 520 })}
<div class="sh" style="top:600px">Movies for you</div>
${[6, 7, 8, 9, 10, 11].map((p, i) => `<div class="card poster" style="left:${96 + i * 296}px;top:670px"><div class="img" style="background-image:url(${poster(p)})"></div></div>`).join('')}
</div>`));
const home = s.appendChild(html(`<div class="abs" style="inset:0"><div class="bd" style="background-image:url(${A}b2.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '▸ Continue watching', title: 'Arrival', meta: '2016 · 1h 56m · 38 min left', ov: 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military.', btns: '<span class="btn pri">▶ Resume</span><span class="btn">ⓘ Details</span>', bottom: 340 })}</div>`));
const n = s.appendChild(html(nav(1, 1)));
T.a(home, [{ opacity: 1 }, { opacity: 0 }], 0, 200, EASE);
T.a(disc.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 0, 240, INOUT);
T.a(disc.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 80, 180, OUT);
T.a(disc.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 140, 160);
disc.querySelectorAll('.card').forEach((c, i) => T.a(c, [{ opacity: 0, transform: 'translateY(24px)' }, { opacity: 1, transform: 'none' }], 160 + i * 30, 180, OUT));
} },
// 5. title page entry from the Movies grid
title: { len: 1600, variants: { after: 'After: what the card knew, at once' }, build(s, T) {
const page = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${poster(2)});filter:blur(60px) saturate(1.2) brightness(.55);transform:scale(1.2)"></div>
<div class="bd" style="background-image:url(${A}b1.webp)"></div><div class="scrim"></div>
<div class="copy" style="bottom:360px"><div class="kicker">✓ Movie · In your library</div><div class="ht">Apocalypse Now</div>
<div class="hm">1979 · 2h 27m ${rate('91%', '94%')} <span class="late" style="color:var(--muted)">Drama, War</span></div>
<div class="ho late2" style="min-height:76px">At the height of the Vietnam war, Captain Benjamin Willard is sent on a dangerous mission that, officially, “does not exist, nor will it ever exist.”</div>
<div class="btns"><span class="btn pri f">▶ Play</span><span class="btn">⋯</span><span class="btn">Add for someone</span></div></div>
<div class="sh" style="top:830px">Cast</div>
${[0, 1, 2, 3, 4, 5, 6].map(i => `<div class="circle" style="left:${96 + i * 244}px;top:900px"><span class="sk breathe abs" style="inset:0;border-radius:50%;animation-delay:${i * 90}ms"></span><div class="img" style="background-image:url(${A}c${i + 1}.webp)"></div></div>`).join('')}
${nav(2)}</div>`));
const grid = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a">${nav(2)}
<div class="abs" style="left:96px;top:150px;font-size:72px;font-weight:800;letter-spacing:-.02em">Movies <span style="font-size:30px;font-weight:500;color:var(--muted)">85 films</span></div>
${[0, 1, 2, 3, 4, 5].map(i => `<div class="card poster ${i === 2 ? 'ring' : ''}" style="left:${96 + i * 296}px;top:330px;background-image:url(${poster(i)});${i === 2 ? 'transform:scale(1.08)' : ''}"></div>`).join('')}
${[6, 7, 8, 9, 10, 11].map((p, i) => `<div class="card poster" style="left:${96 + i * 296}px;top:790px;background-image:url(${poster(p)})"></div>`).join('')}</div>`));
T.a(grid, [{ opacity: 1 }, { opacity: 0 }], 0, 160);
T.a(page.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 0, 160);
T.a(page.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 40, 180, OUT);
T.a(page.querySelector('.late'), [{ opacity: 0 }, { opacity: 1 }], 430, 160);
T.a(page.querySelector('.late2'), [{ opacity: 0 }, { opacity: 1 }], 430, 160);
T.a(page.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 470, 280, INOUT);
T.a(page.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 120, 160);
page.querySelectorAll('.circle').forEach((c, i) => {
T.a(c, [{ opacity: 0, transform: 'translateY(20px)' }, { opacity: 1, transform: 'none' }], 140 + i * 30, 180, OUT);
T.a(c.querySelector('.img'), [{ opacity: 0 }, { opacity: 1 }], 620 + i * 40, 160);
});
} },
// 6. series title: late readiness line
series: { len: 4000, variants: { tv: 'TV-only: slot reserved, fades in at 3.4 s', conductarr: 'With the Conductarr cache: arrives ≈0.4 s' }, build(s, T, v) {
const late = v === 'conductarr' ? 380 : 3400;
const page = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${A}s1t.webp);filter:blur(30px);transform:scale(1.1)"></div>
<div class="bd" style="background-image:url(${A}s1.webp)"></div><div class="scrim"></div>
<div class="copy" style="bottom:430px"><div class="kicker">✓ Series · In your library · Watched</div><div class="ht">Adults</div>
<div class="hm">2025 · 2 seasons · Comedy <span class="lr">${rate('88%', '93%')}</span></div>
<div class="hm lr2" style="color:var(--ok,#9be38f);font-size:26px">✓ Ready for you · by Mindel</div>
<div class="ho" style="min-height:76px">A group of twenty-somethings in New York trying to be good people, despite being neither “good” nor “people” yet.</div>
<div class="btns"><span class="btn pri f">▶ Play S1 E1</span><span class="btn">⋯</span><span class="btn">Seasons</span></div></div>
<div class="abs" style="left:96px;top:790px;display:flex;gap:16px"><span class="btn" style="height:56px;font-size:24px;background:var(--accent-soft,#2a1f3d)">Season 1</span><span class="btn" style="height:56px;font-size:24px">Season 2</span></div>
${[0, 1, 2, 3].map(i => `<div class="card tile sk breathe" style="left:${96 + i * 440}px;top:880px;animation-delay:${i * 90}ms"><div class="img" style="background-image:url(${A}${i % 2 ? 's1' : 'e1'}.webp)"></div></div>`).join('')}
${nav(3)}</div>`));
T.a(page.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 0, 180, OUT);
T.a(page.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 0, 160);
T.a(page.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 620, 280, INOUT);
T.a(page.querySelector('.lr'), [{ opacity: 0 }, { opacity: 1 }], late, 200);
T.a(page.querySelector('.lr2'), [{ opacity: 0 }, { opacity: 1 }], late, 200);
page.querySelectorAll('.card .img').forEach((c, i) => T.a(c, [{ opacity: 0 }, { opacity: 1 }], 700 + i * 40, 160));
} },
// 7. focus move along a row
focus: { len: 3000, variants: { after: 'Proposed: 180 ms ease-out, caption rises', today: 'Today: 140 ms, caption cross-fade' }, build(s, T, v) {
s.append(html(nav(2)));
s.append(html(`<div class="sh" style="top:250px">Movies for you</div>`));
const dur = v === 'today' ? 140 : 180, ease = v === 'today' ? EASE : OUT;
const cards = [0, 1, 2, 3, 4, 5].map(i => s.appendChild(html(`<div class="card poster" style="left:${96 + i * 296}px;top:330px;background-image:url(${poster(i + 6)})"></div>`)));
const caps = [0, 1, 2, 3, 4, 5].map(i => s.appendChild(html(`<div class="abs" style="left:${96 + i * 296}px;top:740px;width:520px"><div style="font-size:30px;font-weight:700">${POSTERS[i + 6][0]}</div><div style="font-size:26px;color:var(--muted)">${POSTERS[i + 6][1]}</div></div>`)));
const step = 600;
cards.forEach((c, i) => {
const on = i * step, off = (i + 1) * step;
const up = [{ transform: 'scale(1)', boxShadow: '0 0 0 0 transparent' }, { transform: 'scale(1.08)', boxShadow: '0 0 0 2px oklch(78% 0.14 305), inset 0 0 0 2px oklch(78% 0.14 305), 0 18px 40px rgb(0 0 0/.55)' }];
if (i > 0) T.a(c, up, on, dur, ease); else T.a(c, [up[1], up[1]], 0, 1);
if (i < 4) T.a(c, [up[1], up[0]], off, dur, ease);
const capIn = v === 'today' ? [{ opacity: 0 }, { opacity: 1 }] : [{ opacity: 0, transform: 'translateY(10px)' }, { opacity: 1, transform: 'none' }];
if (i > 0) T.a(caps[i], capIn, on + (v === 'today' ? 0 : 60), dur, ease); else T.a(caps[i], [{ opacity: 1 }, { opacity: 1 }], 0, 1);
if (i < 4) T.a(caps[i], [{ opacity: 1 }, { opacity: 0 }], off, v === 'today' ? dur : 100, ease);
if (i > 4) caps[i].style.opacity = 0;
});
} },
// 8. hero crossfade (Discover hero advances)
hero: { len: 2600, variants: { after: 'Proposed: 320 ms backdrop cross-fade, copy hand-off', today: 'Today: cut' }, build(s, T, v) {
const mk = (b, t, meta, ov) => s.appendChild(html(`<div class="abs hero" style="inset:0"><div class="bd" style="background-image:url(${A}b${b}.webp)"></div><div class="scrim"></div>${heroCopy({ kicker: '✦ For you', title: t, meta, ov, btns: '<span class="btn">ⓘ Details</span>', bottom: 520 })}</div>`));
const b = mk(2, 'Arrival', 'Movie · 2016 · Drama, Sci-Fi ' + rate('94%', '82%'), 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.');
const a = mk(1, 'Apocalypse Now', 'Movie · 1979 · Drama, War ' + rate('91%', '94%'), 'At the height of the Vietnam war, Captain Benjamin Willard is sent on a dangerous mission that, officially, does not exist.');
s.append(html(nav(1)));
s.append(html(`<div class="abs" style="left:96px;top:600px;font-size:34px;font-weight:700">Movies for you</div>`));
[0, 1, 2, 3, 4, 5].map(i => s.append(html(`<div class="card poster" style="left:${96 + i * 296}px;top:670px;background-image:url(${poster(i)})"></div>`)));
const at = 900;
if (v === 'today') { T.a(a, [{ opacity: 1 }, { opacity: 0 }], at, 1); return; }
T.a(a.querySelector('.copy'), [{ opacity: 1 }, { opacity: 0 }], at, 120, EASE);
T.a(a.querySelector('.bd'), [{ opacity: 1 }, { opacity: 0 }], at, 320, INOUT);
T.a(a.querySelector('.scrim'), [{ opacity: 1 }, { opacity: 1 }], at, 320);
T.a(a, [{ opacity: 1 }, { opacity: 0 }], at + 300, 20);
T.a(b.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(14px)' }, { opacity: 1, transform: 'none' }], at + 140, 200, OUT);
} },
};
// ---------- player ----------
const players = [];
let boxRate = false;
function makePlayer(box) {
const name = box.dataset.scene, sc = SCENES[name];
const lead = +(box.dataset.lead || 300);
let variant = box.dataset.variant || Object.keys(sc.variants)[0];
let anims = [], t0 = 0, raf = 0, stage, label;
const total = () => lead + sc.len + 1400;
function build() {
box.querySelectorAll('.stage').forEach(e => e.remove());
stage = html('<div class="stage"></div>'); box.appendChild(stage);
label = stage.appendChild(html('<div class="tl">0 ms</div>'));
anims = [];
const rm = document.body.classList.contains('rm');
const seen = new WeakSet();
const T = { a(el, kf, start, dur, easing = EASE, opt = {}) {
let k = kf, d = dur;
if (rm) { k = kf.map(f => { const g = { ...f }; delete g.transform; return g; }); d = Math.min(dur, 100); }
// only an element's first animation fills backwards; later ones on the same element must not override it while waiting
const fill = seen.has(el) ? 'forwards' : 'both'; seen.add(el);
const an = el.animate(k, { delay: lead + start, duration: Math.max(1, d), easing, fill, ...opt });
an.pause(); anims.push(an);
} };
sc.build(stage, T, variant);
fit();
}
function fit() { if (stage) stage.style.transform = `scale(${box.clientWidth / 1920})`; }
function tick(now) {
let t = now - t0;
if (t > total()) { t0 = now; t = 0; }
const q = boxRate ? Math.floor(t / BOX_MS) * BOX_MS : t;
for (const an of anims) an.currentTime = q;
label.textContent = `${Math.max(0, Math.round(q - lead))} ms`;
raf = requestAnimationFrame(tick);
}
function start() { cancelAnimationFrame(raf); build(); t0 = performance.now(); raf = requestAnimationFrame(tick); }
function stop() { cancelAnimationFrame(raf); raf = 0; }
new ResizeObserver(fit).observe(box);
new IntersectionObserver(es => es.forEach(e => { if (e.isIntersecting) { if (!raf) start(); } else stop(); }), { rootMargin: '100px' }).observe(box);
const p = { box, start, setVariant(v) { variant = v; start(); }, rebuild: start };
players.push(p);
return p;
}
document.querySelectorAll('.sbox[data-scene]').forEach(makePlayer);
document.querySelectorAll('[data-variants]').forEach(bar => {
const p = players.find(x => x.box.id === bar.dataset.variants);
const sc = SCENES[p.box.dataset.scene];
Object.entries(sc.variants).forEach(([k, label], i) => {
const b = document.createElement('button'); b.type = 'button'; b.className = 'tab' + (i === 0 ? ' on' : ''); b.textContent = label;
b.onclick = () => { bar.querySelectorAll('.tab').forEach(x => x.classList.toggle('on', x === b)); p.setVariant(k); };
bar.appendChild(b);
});
});
document.querySelectorAll('button.replay').forEach(b => b.addEventListener('click', () => {
const pair = b.closest('.pair');
pair.querySelectorAll('video').forEach(v => { v.currentTime = 0; v.play().catch(() => {}); });
players.filter(p => pair.contains(p.box)).forEach(p => p.start());
}));
const rate_ = document.getElementById('boxrate');
if (rate_) rate_.addEventListener('change', () => { boxRate = rate_.checked; });
const rm = document.getElementById('rm');
if (rm) {
if (matchMedia('(prefers-reduced-motion: reduce)').matches) { rm.checked = true; document.body.classList.add('rm'); }
rm.addEventListener('change', () => { document.body.classList.toggle('rm', rm.checked); players.forEach(p => p.rebuild()); });
}
document.body.dataset.ready = '1';
})();
document.querySelectorAll('form.decision').forEach(form=>{form.addEventListener('submit',event=>{event.preventDefault();const key=form.dataset.lavishQuestion;const answer=new FormData(form).get(key);const status=form.querySelector('[role=status]');if(!answer){status.textContent='Pick an option first.';return;}if(!window.lavish||!window.lavish.queuePrompt){status.textContent='Open this page in the live review board to queue an answer.';return;}const note=form.querySelector('textarea').value.trim();const label=form.querySelector('h3').textContent;window.lavish.queuePrompt(label+': '+answer+(note?'\n'+note:''),{tag:'choice',text:label+': '+answer,element:form,queueKey:key,data:{question:key,answer:answer,note:note}});status.textContent='Queued. Press Send to Agent in the review toolbar.';});});
</script></main></body></html>

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/* Prototype stages: 1920x1080 CSS px, approved tokens from data/tv-v2/focus-2026-11-06 (colors, type, ring, card sizes at Level 2 spacing). */
.sbox{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:8px;border:1px solid var(--line);background:#000}
.sbox video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.stage{position:absolute;left:0;top:0;width:1920px;height:1080px;transform-origin:0 0;overflow:hidden;background:#07070a;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;color:#f4f4f6;font-size:28px;line-height:1.3;
--bg:#07070a;--surface:#13131a;--surface2:#1b1b25;--surface3:#252532;--muted:rgb(244 244 246/.74);--dim:rgb(244 244 246/.56);--accent:oklch(78% 0.14 305);--accent-text:oklch(88% 0.08 305)}
.stage *{box-sizing:border-box}
.stage .abs{position:absolute}
/* nav */
.stage .nav{position:absolute;left:0;top:0;width:1920px;height:150px;z-index:5;display:flex;align-items:center;gap:12px;padding:44px 96px 0}
.stage .wm{font-size:36px;font-weight:800;letter-spacing:-.02em;margin-right:40px}.stage .wm b{color:var(--accent)}
.stage .ni{height:64px;padding:0 26px;border-radius:32px;display:inline-flex;align-items:center;font-size:30px;font-weight:600;color:var(--muted);position:relative}
.stage .ni.cur{color:#f4f4f6}.stage .ni.cur::after{content:"";position:absolute;left:26px;right:26px;bottom:4px;height:4px;border-radius:2px;background:var(--accent)}
.stage .ni.f{background:#f4f4f6;color:#0b0b10}.stage .ni.f::after{display:none}
.stage .nsp{flex:1}.stage .av{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#0b0b10;font-size:30px;background:#9be38f}
/* hero */
.stage .amb{position:absolute;inset:0;background-size:cover;background-position:center;image-rendering:auto}
.stage .bd{position:absolute;inset:0;background-size:cover;background-position:center}
.stage .scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgb(7 7 10/.92) 0%,rgb(7 7 10/.55) 42%,rgb(7 7 10/0) 70%),linear-gradient(0deg,#07070a 0%,rgb(7 7 10/.6) 26%,rgb(7 7 10/0) 48%)}
.stage .copy{position:absolute;left:96px;width:1000px}
.stage .kicker{font-size:26px;font-weight:650;color:var(--accent-text);margin-bottom:10px}
.stage .ht{font-size:84px;line-height:1.02;font-weight:800;letter-spacing:-.02em;margin:0 0 16px}
.stage .hm{font-size:28px;color:var(--muted);margin-bottom:14px;min-height:38px;display:flex;gap:22px;align-items:center}
.stage .ho{font-size:28px;color:var(--muted);margin:0 0 30px;max-width:960px}
.stage .btns{display:flex;gap:20px}
.stage .btn{height:76px;padding:0 38px;border-radius:38px;font-size:28px;font-weight:700;display:inline-flex;align-items:center;background:rgb(255 255 255/.14)}
.stage .btn.pri{background:#f4f4f6;color:#0b0b10}
.stage .btn.f{box-shadow:0 0 0 2px var(--accent),inset 0 0 0 2px var(--accent);transform:scale(1.05)}
.stage .rate{display:inline-flex;gap:10px;align-items:center;font-weight:700;color:#f4f4f6}.stage .rate i{width:24px;height:24px;border-radius:50%;background:#e2483a;display:inline-block}
.stage .rate i.pc{background:#f5c518;border-radius:4px}
.stage .slot{display:inline-block;height:30px;border-radius:15px;background:rgb(255 255 255/.10)}
/* rows + cards */
.stage .sh{position:absolute;left:96px;font-size:34px;font-weight:700}
.stage .card{position:absolute;border-radius:16px;overflow:hidden;background:var(--surface);background-size:cover;background-position:center}
.stage .card.poster{width:256px;height:384px}.stage .card.tile{width:400px;height:225px}
.stage .card .img{position:absolute;inset:0;background-size:cover;background-position:center}
.stage .card .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;background:linear-gradient(rgb(7 7 10/0),rgb(7 7 10/.92));font-size:26px;font-weight:700}
.stage .ring{box-shadow:0 0 0 2px var(--accent),inset 0 0 0 2px var(--accent),0 18px 40px rgb(0 0 0/.55)}
.stage .circle{position:absolute;width:200px;height:200px;border-radius:50%;overflow:hidden;background:var(--surface2);display:grid;place-items:center;font-size:44px;font-weight:800;color:var(--dim)}
.stage .circle .img{position:absolute;inset:0;background-size:cover;background-position:center}
.stage .bar{position:absolute;height:28px;border-radius:14px;background:var(--surface2)}
.stage .spin{position:absolute;left:940px;top:520px;width:40px;height:40px;border-radius:50%;border:4px solid rgb(155 120 255/.25);border-top-color:oklch(65% 0.2 300);animation:spin .8s linear infinite}
/* picker */
.stage .pk{position:absolute;top:290px;left:0;width:1920px;text-align:center;font-size:72px;font-weight:800;letter-spacing:-.02em}
.stage .person{position:absolute;top:426px;width:220px;height:220px;border-radius:50%;display:grid;place-items:center;font-size:110px;font-weight:800;color:#0b0b10}
.stage .pname{position:absolute;top:670px;width:220px;text-align:center;font-size:34px;font-weight:700;color:var(--muted)}
/* replay label */
.stage .tl{position:absolute;right:14px;bottom:10px;font:22px/1 ui-monospace,Menlo,monospace;background:rgb(0 0 0/.6);padding:6px 8px;border-radius:6px;color:#fff;z-index:20}
/* keyframes */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes fadeout{from{opacity:1}to{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes shimmer{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
@keyframes hide{to{opacity:0;visibility:hidden}}
@keyframes show{from{opacity:0}to{opacity:1}}
/* anything with .an waits for .play */
.stage .an{opacity:0}
.stage.play .an{animation-fill-mode:both}
.stage .gone{animation-fill-mode:both}
/* skeleton styles */
.stage .sk{background:var(--surface2)}
.stage .sk.breathe{animation:breathe 1.4s ease-in-out infinite}
.stage .sk.shim{position:relative;overflow:hidden}
.stage .sk.shim::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgb(255 255 255/.07),transparent);animation:shimmer 1.3s linear infinite}
/* reduced motion: no movement, short fades only */
body.rm .stage.play .an{animation-name:fade!important;animation-duration:.08s!important}
body.rm .stage .sk.breathe,body.rm .stage .sk.shim::after{animation:none}
body.rm .stage .mv{transition:none!important}

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// Wolfskin TV motion prototypes. One clock per stage drives Web Animations; "box rate" quantises the clock
// to the measured frame time on the Xiaomi box (p50 40 ms while moving, data/tv-spike-motion-speed/raw/gfx-*),
// so the same motion can be watched at 60 fps and at the rate the box actually draws today.
(() => {
const A = 'tv-motion-speed/';
const BOX_MS = 40;
const EASE = 'cubic-bezier(.25,.1,.25,1)', OUT = 'cubic-bezier(.33,1,.68,1)', INOUT = 'cubic-bezier(.65,0,.35,1)';
const POSTERS = [
['American Gangster', '2007 · 2h 36m'], ['Annie Hall', '1977 · 1h 33m'], ['Apocalypse Now', '1979 · 2h 27m'],
['Arrival', '2016 · 1h 56m'], ['Avatar: The Last Airbender', '2026 · 1h 52m'], ['Bohemian Rhapsody', '2018 · 2h 15m'],
['Braveheart', '1995 · 2h 58m'], ['Citizen Kane', '1941 · 1h 59m'], ['Spirited Away', '2001 · 2h 5m'],
['12 Years a Slave', '2013 · 2h 14m'], ['A Bronx Tale', '1993 · 2h 1m'], ['All the Money in the World', '2017 · 2h 13m'],
];
const poster = i => `${A}p${i + 1}.webp`;
const html = (s) => { const t = document.createElement('template'); t.innerHTML = s.trim(); return t.content.firstChild; };
function nav(cur, focus) {
const items = ['Home', 'Discover', 'Movies', 'Shows'];
return `<div class="nav"><span class="wm">Wolf<b>skin</b></span>${items.map((n, i) => `<span class="ni ${i === cur ? 'cur' : ''} ${i === focus ? 'f' : ''}">${n}</span>`).join('')}<span class="nsp"></span><span class="av">S</span></div>`;
}
function rate(rt, pc) { return `<span class="rate"><i></i>${rt}</span><span class="rate"><i class="pc"></i>${pc}</span>`; }
function heroCopy(o) {
return `<div class="copy" style="bottom:${o.bottom || 330}px"><div class="kicker">${o.kicker}</div><div class="ht">${o.title}</div><div class="hm">${o.meta}</div>${o.ov ? `<div class="ho">${o.ov}</div>` : ''}<div class="btns">${o.btns}</div></div>`;
}
// ---------- scenes: build(stage, T, v) where v is the selected variant ----------
const SCENES = {
// 1. launch -> Who's watching
launch: { len: 1400, variants: { after: 'After: people from the saved list' }, build(s, T) {
s.append(html(`<div class="abs" style="inset:0;background:url(${A}launcher.webp) center/cover"></div>`));
const bg = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a"></div>`));
T.a(bg, [{ opacity: 0 }, { opacity: 1 }], 0, 160);
const pk = s.appendChild(html(`<div class="abs" style="inset:0"><div class="abs" style="left:96px;top:60px;font-size:36px;font-weight:800">Wolf<b style="color:var(--accent)">skin</b></div><div class="pk">Who’s watching?</div>
${[['J', '#64c3ff', 'justin', 540], ['M', '#ffa47a', 'mindel', 850], ['S', '#9be38f', 'shared', 1160]].map(([l, c, n, x]) => `<div class="person ${n === 'shared' ? 'ring' : ''}" style="left:${x}px;background:${c}">${l}</div><div class="pname" style="left:${x}px">${n}</div>`).join('')}</div>`));
T.a(pk, [{ opacity: 0 }, { opacity: 1 }], 450, 160);
} },
// 2. picker -> Home
home: { len: 1100, variants: { after: 'After: last Home painted from disk, art pre-decoded' }, build(s, T) {
const home = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${A}b2t.webp);filter:blur(30px);transform:scale(1.1)"></div>
<div class="bd" style="background-image:url(${A}b2.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '▸ Continue watching', title: 'Arrival', meta: '2016 · 1h 56m · 38 min left ' + rate('94%', '82%'), ov: 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.', btns: '<span class="btn pri f">▶ Resume</span><span class="btn">ⓘ Details</span>', bottom: 340 })}
<div class="sh" style="top:780px">Next up</div>
${[3, 4, 1, 2].map((b, i) => `<div class="card tile" style="left:${96 + i * 440}px;top:850px"><div class="img" style="background-image:url(${A}b${b}.webp)"></div><div class="cap">${['American Gangster', 'Bohemian Rhapsody', 'Apocalypse Now', 'Arrival'][i]}</div></div>`).join('')}
${nav(0)}</div>`));
const picker = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a;z-index:10"><div class="pk">Who’s watching?</div>
${[['J', '#64c3ff', 'justin', 540], ['M', '#ffa47a', 'mindel', 850], ['S', '#9be38f', 'shared', 1160]].map(([l, c, n, x]) => `<div class="person ${n === 'shared' ? 'ring' : ''}" style="left:${x}px;background:${c}">${l}</div><div class="pname" style="left:${x}px">${n}</div>`).join('')}</div>`));
T.a(picker, [{ opacity: 1 }, { opacity: 0 }], 0, 140);
T.a(home.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 40, 120);
T.a(home.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 120, 220, INOUT);
T.a(home.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 60, 180, OUT);
T.a(home.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 120, 160);
home.querySelectorAll('.card').forEach((c, i) => {
T.a(c, [{ opacity: 0, transform: 'translateY(24px)' }, { opacity: 1, transform: 'none' }], 140 + i * 40, 180, OUT);
});
} },
// 3. skeleton styles on a poster grid
skeleton: { len: 2200, variants: { breathe: 'Breathe (pick)', flat: 'Flat blocks (today)', shimmer: 'Shimmer sweep', spinner: 'Spinner (today, launch)' }, build(s, T, v) {
s.append(html(nav(2)));
s.append(html(`<div class="abs" style="left:96px;top:150px;font-size:72px;font-weight:800;letter-spacing:-.02em">Movies <span style="font-size:30px;font-weight:500;color:var(--muted)">85 films</span></div>`));
const cells = [];
for (let r = 0; r < 2; r++) for (let c = 0; c < 6; c++) cells.push([96 + c * 296, 330 + r * 460, r * 6 + c]);
if (v === 'spinner') { const sp = s.appendChild(html('<div class="spin"></div>')); T.a(sp, [{ opacity: 1 }, { opacity: 0 }], 900, 120); }
cells.forEach(([x, y, i]) => {
if (v !== 'spinner') {
const sk = s.appendChild(html(`<div class="card poster sk ${v === 'breathe' ? 'breathe' : v === 'shimmer' ? 'shim' : ''}" style="left:${x}px;top:${y}px;${v === 'breathe' ? `animation-delay:${(i % 6) * 90}ms` : ''}"></div>`));
T.a(sk, [{ opacity: 1 }, { opacity: 0 }], 900 + i * 25, 160);
}
const c = s.appendChild(html(`<div class="card poster" style="left:${x}px;top:${y}px;background-image:url(${poster(i)})"></div>`));
T.a(c, [{ opacity: 0 }, { opacity: 1 }], 900 + i * 25, 160);
});
} },
// 4. tab switch: Home -> Discover, rows reveal
tab: { len: 1100, variants: { after: 'After: last Discover painted, rows rise, art fades' }, build(s, T) {
const disc = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="bd" style="background-image:url(${A}b4.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '✦ For you', title: 'Bohemian Rhapsody', meta: 'Movie · 2018 · Drama, Music ' + rate('60%', '85%'), ov: 'Singer Freddie Mercury, guitarist Brian May, drummer Roger Taylor and bass guitarist John Deacon take the music world by storm.', btns: '<span class="btn">ⓘ Details</span>', bottom: 520 })}
<div class="sh" style="top:600px">Movies for you</div>
${[6, 7, 8, 9, 10, 11].map((p, i) => `<div class="card poster" style="left:${96 + i * 296}px;top:670px"><div class="img" style="background-image:url(${poster(p)})"></div></div>`).join('')}
</div>`));
const home = s.appendChild(html(`<div class="abs" style="inset:0"><div class="bd" style="background-image:url(${A}b2.webp)"></div><div class="scrim"></div>
${heroCopy({ kicker: '▸ Continue watching', title: 'Arrival', meta: '2016 · 1h 56m · 38 min left', ov: 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military.', btns: '<span class="btn pri">▶ Resume</span><span class="btn">ⓘ Details</span>', bottom: 340 })}</div>`));
const n = s.appendChild(html(nav(1, 1)));
T.a(home, [{ opacity: 1 }, { opacity: 0 }], 0, 200, EASE);
T.a(disc.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 0, 240, INOUT);
T.a(disc.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 80, 180, OUT);
T.a(disc.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 140, 160);
disc.querySelectorAll('.card').forEach((c, i) => T.a(c, [{ opacity: 0, transform: 'translateY(24px)' }, { opacity: 1, transform: 'none' }], 160 + i * 30, 180, OUT));
} },
// 5. title page entry from the Movies grid
title: { len: 1600, variants: { after: 'After: what the card knew, at once' }, build(s, T) {
const page = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${poster(2)});filter:blur(60px) saturate(1.2) brightness(.55);transform:scale(1.2)"></div>
<div class="bd" style="background-image:url(${A}b1.webp)"></div><div class="scrim"></div>
<div class="copy" style="bottom:360px"><div class="kicker">✓ Movie · In your library</div><div class="ht">Apocalypse Now</div>
<div class="hm">1979 · 2h 27m ${rate('91%', '94%')} <span class="late" style="color:var(--muted)">Drama, War</span></div>
<div class="ho late2" style="min-height:76px">At the height of the Vietnam war, Captain Benjamin Willard is sent on a dangerous mission that, officially, “does not exist, nor will it ever exist.”</div>
<div class="btns"><span class="btn pri f">▶ Play</span><span class="btn">⋯</span><span class="btn">Add for someone</span></div></div>
<div class="sh" style="top:830px">Cast</div>
${[0, 1, 2, 3, 4, 5, 6].map(i => `<div class="circle" style="left:${96 + i * 244}px;top:900px"><span class="sk breathe abs" style="inset:0;border-radius:50%;animation-delay:${i * 90}ms"></span><div class="img" style="background-image:url(${A}c${i + 1}.webp)"></div></div>`).join('')}
${nav(2)}</div>`));
const grid = s.appendChild(html(`<div class="abs" style="inset:0;background:#07070a">${nav(2)}
<div class="abs" style="left:96px;top:150px;font-size:72px;font-weight:800;letter-spacing:-.02em">Movies <span style="font-size:30px;font-weight:500;color:var(--muted)">85 films</span></div>
${[0, 1, 2, 3, 4, 5].map(i => `<div class="card poster ${i === 2 ? 'ring' : ''}" style="left:${96 + i * 296}px;top:330px;background-image:url(${poster(i)});${i === 2 ? 'transform:scale(1.08)' : ''}"></div>`).join('')}
${[6, 7, 8, 9, 10, 11].map((p, i) => `<div class="card poster" style="left:${96 + i * 296}px;top:790px;background-image:url(${poster(p)})"></div>`).join('')}</div>`));
T.a(grid, [{ opacity: 1 }, { opacity: 0 }], 0, 160);
T.a(page.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 0, 160);
T.a(page.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 40, 180, OUT);
T.a(page.querySelector('.late'), [{ opacity: 0 }, { opacity: 1 }], 430, 160);
T.a(page.querySelector('.late2'), [{ opacity: 0 }, { opacity: 1 }], 430, 160);
T.a(page.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 470, 280, INOUT);
T.a(page.querySelector('.sh'), [{ opacity: 0 }, { opacity: 1 }], 120, 160);
page.querySelectorAll('.circle').forEach((c, i) => {
T.a(c, [{ opacity: 0, transform: 'translateY(20px)' }, { opacity: 1, transform: 'none' }], 140 + i * 30, 180, OUT);
T.a(c.querySelector('.img'), [{ opacity: 0 }, { opacity: 1 }], 620 + i * 40, 160);
});
} },
// 6. series title: late readiness line
series: { len: 4000, variants: { tv: 'TV-only: slot reserved, fades in at 3.4 s', conductarr: 'With the Conductarr cache: arrives ≈0.4 s' }, build(s, T, v) {
const late = v === 'conductarr' ? 380 : 3400;
const page = s.appendChild(html(`<div class="abs" style="inset:0">
<div class="amb" style="background-image:url(${A}s1t.webp);filter:blur(30px);transform:scale(1.1)"></div>
<div class="bd" style="background-image:url(${A}s1.webp)"></div><div class="scrim"></div>
<div class="copy" style="bottom:430px"><div class="kicker">✓ Series · In your library · Watched</div><div class="ht">Adults</div>
<div class="hm">2025 · 2 seasons · Comedy <span class="lr">${rate('88%', '93%')}</span></div>
<div class="hm lr2" style="color:var(--ok,#9be38f);font-size:26px">✓ Ready for you · by Mindel</div>
<div class="ho" style="min-height:76px">A group of twenty-somethings in New York trying to be good people, despite being neither “good” nor “people” yet.</div>
<div class="btns"><span class="btn pri f">▶ Play S1 E1</span><span class="btn">⋯</span><span class="btn">Seasons</span></div></div>
<div class="abs" style="left:96px;top:790px;display:flex;gap:16px"><span class="btn" style="height:56px;font-size:24px;background:var(--accent-soft,#2a1f3d)">Season 1</span><span class="btn" style="height:56px;font-size:24px">Season 2</span></div>
${[0, 1, 2, 3].map(i => `<div class="card tile sk breathe" style="left:${96 + i * 440}px;top:880px;animation-delay:${i * 90}ms"><div class="img" style="background-image:url(${A}${i % 2 ? 's1' : 'e1'}.webp)"></div></div>`).join('')}
${nav(3)}</div>`));
T.a(page.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(16px)' }, { opacity: 1, transform: 'none' }], 0, 180, OUT);
T.a(page.querySelector('.amb'), [{ opacity: 0 }, { opacity: 1 }], 0, 160);
T.a(page.querySelector('.bd'), [{ opacity: 0 }, { opacity: 1 }], 620, 280, INOUT);
T.a(page.querySelector('.lr'), [{ opacity: 0 }, { opacity: 1 }], late, 200);
T.a(page.querySelector('.lr2'), [{ opacity: 0 }, { opacity: 1 }], late, 200);
page.querySelectorAll('.card .img').forEach((c, i) => T.a(c, [{ opacity: 0 }, { opacity: 1 }], 700 + i * 40, 160));
} },
// 7. focus move along a row
focus: { len: 3000, variants: { after: 'Proposed: 180 ms ease-out, caption rises', today: 'Today: 140 ms, caption cross-fade' }, build(s, T, v) {
s.append(html(nav(2)));
s.append(html(`<div class="sh" style="top:250px">Movies for you</div>`));
const dur = v === 'today' ? 140 : 180, ease = v === 'today' ? EASE : OUT;
const cards = [0, 1, 2, 3, 4, 5].map(i => s.appendChild(html(`<div class="card poster" style="left:${96 + i * 296}px;top:330px;background-image:url(${poster(i + 6)})"></div>`)));
const caps = [0, 1, 2, 3, 4, 5].map(i => s.appendChild(html(`<div class="abs" style="left:${96 + i * 296}px;top:740px;width:520px"><div style="font-size:30px;font-weight:700">${POSTERS[i + 6][0]}</div><div style="font-size:26px;color:var(--muted)">${POSTERS[i + 6][1]}</div></div>`)));
const step = 600;
cards.forEach((c, i) => {
const on = i * step, off = (i + 1) * step;
const up = [{ transform: 'scale(1)', boxShadow: '0 0 0 0 transparent' }, { transform: 'scale(1.08)', boxShadow: '0 0 0 2px oklch(78% 0.14 305), inset 0 0 0 2px oklch(78% 0.14 305), 0 18px 40px rgb(0 0 0/.55)' }];
if (i > 0) T.a(c, up, on, dur, ease); else T.a(c, [up[1], up[1]], 0, 1);
if (i < 4) T.a(c, [up[1], up[0]], off, dur, ease);
const capIn = v === 'today' ? [{ opacity: 0 }, { opacity: 1 }] : [{ opacity: 0, transform: 'translateY(10px)' }, { opacity: 1, transform: 'none' }];
if (i > 0) T.a(caps[i], capIn, on + (v === 'today' ? 0 : 60), dur, ease); else T.a(caps[i], [{ opacity: 1 }, { opacity: 1 }], 0, 1);
if (i < 4) T.a(caps[i], [{ opacity: 1 }, { opacity: 0 }], off, v === 'today' ? dur : 100, ease);
if (i > 4) caps[i].style.opacity = 0;
});
} },
// 8. hero crossfade (Discover hero advances)
hero: { len: 2600, variants: { after: 'Proposed: 320 ms backdrop cross-fade, copy hand-off', today: 'Today: cut' }, build(s, T, v) {
const mk = (b, t, meta, ov) => s.appendChild(html(`<div class="abs hero" style="inset:0"><div class="bd" style="background-image:url(${A}b${b}.webp)"></div><div class="scrim"></div>${heroCopy({ kicker: '✦ For you', title: t, meta, ov, btns: '<span class="btn">ⓘ Details</span>', bottom: 520 })}</div>`));
const b = mk(2, 'Arrival', 'Movie · 2016 · Drama, Sci-Fi ' + rate('94%', '82%'), 'Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.');
const a = mk(1, 'Apocalypse Now', 'Movie · 1979 · Drama, War ' + rate('91%', '94%'), 'At the height of the Vietnam war, Captain Benjamin Willard is sent on a dangerous mission that, officially, does not exist.');
s.append(html(nav(1)));
s.append(html(`<div class="abs" style="left:96px;top:600px;font-size:34px;font-weight:700">Movies for you</div>`));
[0, 1, 2, 3, 4, 5].map(i => s.append(html(`<div class="card poster" style="left:${96 + i * 296}px;top:670px;background-image:url(${poster(i)})"></div>`)));
const at = 900;
if (v === 'today') { T.a(a, [{ opacity: 1 }, { opacity: 0 }], at, 1); return; }
T.a(a.querySelector('.copy'), [{ opacity: 1 }, { opacity: 0 }], at, 120, EASE);
T.a(a.querySelector('.bd'), [{ opacity: 1 }, { opacity: 0 }], at, 320, INOUT);
T.a(a.querySelector('.scrim'), [{ opacity: 1 }, { opacity: 1 }], at, 320);
T.a(a, [{ opacity: 1 }, { opacity: 0 }], at + 300, 20);
T.a(b.querySelector('.copy'), [{ opacity: 0, transform: 'translateY(14px)' }, { opacity: 1, transform: 'none' }], at + 140, 200, OUT);
} },
};
// ---------- player ----------
const players = [];
let boxRate = false;
function makePlayer(box) {
const name = box.dataset.scene, sc = SCENES[name];
const lead = +(box.dataset.lead || 300);
let variant = box.dataset.variant || Object.keys(sc.variants)[0];
let anims = [], t0 = 0, raf = 0, stage, label;
const total = () => lead + sc.len + 1400;
function build() {
box.querySelectorAll('.stage').forEach(e => e.remove());
stage = html('<div class="stage"></div>'); box.appendChild(stage);
label = stage.appendChild(html('<div class="tl">0 ms</div>'));
anims = [];
const rm = document.body.classList.contains('rm');
const seen = new WeakSet();
const T = { a(el, kf, start, dur, easing = EASE, opt = {}) {
let k = kf, d = dur;
if (rm) { k = kf.map(f => { const g = { ...f }; delete g.transform; return g; }); d = Math.min(dur, 100); }
// only an element's first animation fills backwards; later ones on the same element must not override it while waiting
const fill = seen.has(el) ? 'forwards' : 'both'; seen.add(el);
const an = el.animate(k, { delay: lead + start, duration: Math.max(1, d), easing, fill, ...opt });
an.pause(); anims.push(an);
} };
sc.build(stage, T, variant);
fit();
}
function fit() { if (stage) stage.style.transform = `scale(${box.clientWidth / 1920})`; }
function tick(now) {
let t = now - t0;
if (t > total()) { t0 = now; t = 0; }
const q = boxRate ? Math.floor(t / BOX_MS) * BOX_MS : t;
for (const an of anims) an.currentTime = q;
label.textContent = `${Math.max(0, Math.round(q - lead))} ms`;
raf = requestAnimationFrame(tick);
}
function start() { cancelAnimationFrame(raf); build(); t0 = performance.now(); raf = requestAnimationFrame(tick); }
function stop() { cancelAnimationFrame(raf); raf = 0; }
new ResizeObserver(fit).observe(box);
new IntersectionObserver(es => es.forEach(e => { if (e.isIntersecting) { if (!raf) start(); } else stop(); }), { rootMargin: '100px' }).observe(box);
const p = { box, start, setVariant(v) { variant = v; start(); }, rebuild: start };
players.push(p);
return p;
}
document.querySelectorAll('.sbox[data-scene]').forEach(makePlayer);
document.querySelectorAll('[data-variants]').forEach(bar => {
const p = players.find(x => x.box.id === bar.dataset.variants);
const sc = SCENES[p.box.dataset.scene];
Object.entries(sc.variants).forEach(([k, label], i) => {
const b = document.createElement('button'); b.type = 'button'; b.className = 'tab' + (i === 0 ? ' on' : ''); b.textContent = label;
b.onclick = () => { bar.querySelectorAll('.tab').forEach(x => x.classList.toggle('on', x === b)); p.setVariant(k); };
bar.appendChild(b);
});
});
document.querySelectorAll('button.replay').forEach(b => b.addEventListener('click', () => {
const pair = b.closest('.pair');
pair.querySelectorAll('video').forEach(v => { v.currentTime = 0; v.play().catch(() => {}); });
players.filter(p => pair.contains(p.box)).forEach(p => p.start());
}));
const rate_ = document.getElementById('boxrate');
if (rate_) rate_.addEventListener('change', () => { boxRate = rate_.checked; });
const rm = document.getElementById('rm');
if (rm) {
if (matchMedia('(prefers-reduced-motion: reduce)').matches) { rm.checked = true; document.body.classList.add('rm'); }
rm.addEventListener('change', () => { document.body.classList.toggle('rm', rm.checked); players.forEach(p => p.rebuild()); });
}
document.body.dataset.ready = '1';
})();

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