[RandoTechNerd]

Fixes from a clean Linux cloud verification of alpha-integration (b4fec1d): npm ci, build:nvidia from source, the full suite, every catalog family built on both kernels (Rust and NVIDIA), and Design mode run in headless Chromium at 1600x900.

NVIDIA kernel (native/nvidia-kernel/adapter.cjs, revolve())

These were already wrong on nvidia-alpha.

• Wall names landed on the wrong faces. A ring cup's outer wall was named after its inner wall, and a 270° block lost G101_RV. Each face's sample point is now swung back onto the profile's side of the axis.
• A part turn of a ring was refused (SMLib status 1001). It now passes the closed loop alone.
• A part turn of a clockwise profile swept the opposite way from Rust. The turn direction now follows which side of the axis the profile is on.
• New test: test/nvidia.js compares each named face's r/z span and angle with Rust's on five revolves. 5 of them fail on the old code, 0 now.

Design mode

• Press-pull on a size held in a const above the call (const w = 9 growing to 11) wrote uniontranslate(…, which is broken code (features.js).
• Fillet/chamfer edge pick without segments: every edge borders the picked face, so all tied and the first edge always won. It now measures to the face across the edge (dialogs.js nearestEdge).
• Rotate/scale gizmo: the merge-into-existing check never matched, so each release nested another wrapper. A turn about the same axis and pivot now merges; any other turn wraps outside (features.js).
• Editing an existing sketch: on: P was written back as "XY" and named radii and coordinates as numbers. They are now kept as written until edited (sketch-model.js).
• Dialog OK/Enter right after typing committed the previous preview. Confirmed in the browser: with the old code the fillet was lost. OK now builds what the fields say first (dialogs.js).
• Ask about this: each pin started another requestAnimationFrame loop. Now there is one loop (index.html).
• Revolve/Combine on a body with no call in the code threw a TypeError; they now show a message instead.
• Feature dialogs now dispose their overlay materials and geometries on close.
• Sketch Finish refuses when the code changed while the sketch was open, as press-pull already does, instead of silently undoing that change. Opening a feature dialog now closes an open sketch first.

Right-click menu on macOS and Linux (index.html)

Chromium fires contextmenu on press there, not on release as on Windows. The "it was a pan" check therefore never saw any movement, and every right-drag pan opened the shape menu. When the event arrives with the button still held, the menu now waits for the release and opens only if the pointer stayed put.

Verified

• Full suite: 91 files, 14,704 passed, 0 failed (test/nvidia.js and test/sketcharcs.js against an addon built from source on Linux).
• Repo UI checks in headless Chromium: phase 1 47/0, phase 3 33/0, phase 2 35/0 and Ask 26/0. Phase 2 and Ask pass only once the camera has settled; at the ~10 fps of software rendering a click can land mid-ease. That is test timing, not app behaviour.
• Site build: node build-site.mjs --no-zip resolves every import.

Not in this PR

• In Design mode the chat card opens under the Browser panel and the ribbon. That is a layout decision left to the author.
• The Rust kernel refuses 7 catalog families that NVIDIA builds, including the new mini-monitor-easel. It falls back to the JS kernel, which takes about 4 s.

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