feat(viewer): walkthrough FOV 60° + refresh ceiling-fan model

[wass08]

Two small viewer/asset polish changes. Stacked on #444 (fix/bake-door-window-anims) because private-editor currently pins that SHA; retarget to main once #444 merges.

Walkthrough FOV → 60°

The first-person walkthrough rode the default 50° orbit camera, which feels cramped on foot. Both controllers — the baked GlbWalkthroughController and the parametric WalkthroughControls fallback — now apply a shared WALKTHROUGH_FOV = 60 on enter and restore the prior FOV on exit (cleanup-based), so orbit framing is untouched.

Ceiling-fan model refresh

The bundled apps/editor/public/items/ceiling-fan/model.glb was stale (no animation clip, two slots). Replaced with the variant matching production storage — On clip + a third slot_base paint slot. Same dimensions/offset, no catalog change.

🤖 Generated with Claude Code

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Note

Low Risk
Localized viewer camera FOV toggles with cleanup restore; no security, data, or API surface changes.

Overview
First-person walkthrough felt cramped on the default 50° orbit camera. This introduces a shared WALKTHROUGH_FOV = 60 in walkthrough-controls and applies it in both WalkthroughControls (when walkthroughMode is on) and GlbWalkthroughController (for baked GLB walkthrough).

Each path saves the current perspective fov, sets 60°, calls updateProjectionMatrix(), and restores the previous FOV in effect cleanup so orbit framing is unchanged after exit. The GLB controller keys the effect on camera so FOV re-applies if the camera instance changes (e.g. orthographic→perspective switch already in that component).

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Cursor Bugbot has reviewed your changes using high effort and found 1 potential issue.

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Stacked FOV restores wrong value

Medium Severity

When WalkthroughControls and GlbWalkthroughController are both in the canvas, each FOV effect saves whatever cam.fov is at run time. If the GLB effect runs after the parametric one, its cleanup restores 60° instead of the original orbit FOV, leaving wide-angle framing after walkthrough ends.

Additional Locations (1)

• packages/viewer/src/components/viewer/walkthrough-controls.tsx#L35-L47

 

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