docs: options for the remaining weaknesses

docs/overnight/remaining-options.md

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+# 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.
+
+## 4. Empty left bay in the navbar (name not on the table)
+
+- **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.