Remaining weaknesses: options to pick from

Fable and Opus each brainstormed separately; this merges their ideas. Pick one letter per item, or combine where noted. ★ marks the recommended pick. Effort: S = small, M = medium, L = large.

2. Slow first frame on a cold GPU (~1.8 s)

All ~60 shaders compile in one blocking step at frame 0.

A. Compile in the background. Use the GPU's parallel shader compile (compileAsync), with a timeout and the current warm-up kept as a safety net. Visitor: the scene appears noticeably sooner and the page never freezes. Effort M; no bundle cost.
B ★. Compile in three slices. Spread the compile over a few frames, start the ignition once it's done, and preload the scene code earlier. Visitor: the poster lasts a bit less and there is no single long freeze. Effort S–M; lowest risk. A can come later on top.
C. Fewer shaders. Merge the material variants, so there is less to compile at all. Effort M–L; the most invasive.

Optional add-on to any of these: show the ignition "crank" on the poster while it compiles, so the wait reads as starting the engine.

3. The reading panel hides the scene

The panels sit at 94–98% opacity, and contrast rules lock that.

A ★. Time the scene to the gaps. Fire each scene payoff (the district relighting, the yard lifts, the mast strikes) in the open road between cards, and widen those gaps a little. Visitor: every big moment happens where it can be seen. Effort M; almost no JS.
B. "Look up" cue. A small idle hint in the top bar (e.g. "C · DASHCAM") that invites a full-screen look, plus slightly more see-through panels on hover where contrast still passes. Effort S; the cheapest option, but it doesn't change the default view.
C. Split screen on wide displays. At 1440 px and wider, the text takes a ~60% column and the scene keeps the rest. Effort L; a big layout change.

A ★. Shift clock and odometer. A small instrument readout, e.g. 02:58 → 05:48 · KM 042 · EXIT 04, that ticks with your progress and matches the clock times already in the story. Effort S; +~0.4 KB.
B. Hint rotator. Cycles quiet tips: C · DASHCAM, ALT+↓ · NEXT EXIT (and the high-beam click if you want the easter egg hinted). Effort S; +~0.3 KB.
C. Rebalance the controls. Split the existing cabin controls across both bays, so nothing new is added. Effort S.

A and B also combine well as a two-line instrument cluster.

6. Visual nits

Each nit has its own fix, so you can pick per line.

Yard slides in at chapter entry. A ★: aim the yard from the camera's live position, so it doesn't slide. B: hold the yard lights until the camera has settled.
Far container stack looks like it's leaning. A ★: square the stacks to the road and cut the far stack to 3 tiers. B: turn the stacks toward the camera instead.
Pier crosses the billboard. A ★: raise the billboard only after the underpass has passed. B: move that pier inward.
Lamp cores read white instead of violet. A ★: a two-layer lamp, with a core kept below white and a violet glow around it. B: a colour-preserving tone curve; a bigger change, behind a flag.
High-beam flash too bright up close. A ★: lamps flare in their own red or amber instead of white, and the flare peaks at 120–250 m, not within 100 m. B: keep the colours and dip the exposure slightly during the flash.

7. Phones

Phones get no bloom at all, which is the main reason they look dim.

A ★. Brighten and stage.
- Lift exposure and lamp gain on phones.
- Brighten the mobile poster.
- Bring overtakes nearer and add one guaranteed pass at each chapter entry.
- Show one large transmitter instead of four thin masts.
Effort M; no cost on desktop.
B. Mini-bloom on capable phones. A light 3-shader bloom where the GPU allows, plus the overtake changes from A. Effort M; some phone GPU cost.

8. The end-credit closer (replacing name · title · location)

It lives in one string (AppShell.vue:299) and is typed in at sunrise. Your name can stay on the dashcam postcard, which is separate. Copy variants are listed under each option.

A. Shift handover (an original line, in the HUD's ops voice).
1. HANDING OVER TO THE DAY SHIFT · 05:48 · NOTHING OUTSTANDING
2. NOTHING PAGED · NOTHING BROKE · THE SUN CAME UP
3. SHIFT LOG CLOSED · LIGHTS OFF, DOORS OPEN
B. A dawn quote (public domain, serif italic, with attribution).
1. "There is more day to dawn. The sun is but a morning star." (Thoreau, Walden)
2. "To travel hopefully is a better thing than to arrive." (R. L. Stevenson)
3. "Afoot and light-hearted I take to the open road." (Whitman)
4. "Noaptea e un sfetnic bun" / "The night is a good counsellor." (Romanian proverb)
C. Trip computer. A rolling odometer built only from real content: TRIP COMPLETE · 8 EXITS · 3 BUILDS · 0 DATA LOST · 02:58 → 05:48. A variant adds the visitor's own drive time (YOUR TRIP · 6 MIN 12 S). Effort M; +~0.6 KB.

Fable recommends A-1 or A-2. Opus recommends B-1, Thoreau. C is the most polished option if you'd like something interactive.

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