feat(packaging): add deb and rpm desktop targets

[bigpod98]

What Changed

Added additional outputs to packaging script.

Why

Allows output of 2 linux packaging systems Deb and RPM
issue #4030

Checklist

• This PR is small and focused
• I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

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Note

Low Risk
Changes are confined to the desktop packaging script and npm scripts; no runtime app or auth logic is modified.

Overview
Adds Linux .deb and .rpm desktop packaging alongside the existing AppImage flow, with new dist:desktop:deb / dist:desktop:rpm scripts writing artifacts to packaging-output/.

electron-builder Linux config now sets distro metadata (maintainer, vendor, synopsis, syncDesktopName) and target-specific depends lists for Debian and RPM. DEB/RPM packages also ship a generated /usr/bin/t3 headless launcher (ELECTRON_RUN_AS_NODE + server bin.mjs), with install paths keyed off production vs nightly product names under /opt/.

Staged package.json for builds gains homepage, license, desktopName, and clearer description/author for package managers.

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Note

Add DEB and RPM desktop build targets for Linux packaging

• Adds dist:desktop:deb and dist:desktop:rpm npm scripts in package.json that invoke scripts/build-desktop-artifact.ts with the appropriate Linux target and output to packaging-output/.
• Linux builds now include distro-specific runtime dependency lists (DEB_DEPENDENCIES, RPM_DEPENDENCIES) and enriched package metadata (maintainer, vendor, synopsis, homepage, license).
• Adds a renderLinuxHeadlessLauncher function that generates a POSIX shell script setting ELECTRON_RUN_AS_NODE=1 and executing the desktop binary; this script is installed to /usr/bin/t3 in DEB/RPM packages.
• Adds quotePosixShellArgument utility to safely quote shell arguments used in the launcher script.

^{Macroscope summarized f5629f8.}

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[macroscopeapp]

Approvability

Verdict: Needs human review

This PR adds new Linux packaging targets (deb/rpm), introducing new build capability. While the changes are well-tested packaging configuration rather than runtime code, new features adding capability warrant human review, especially from an author unfamiliar with this build infrastructure.

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Dismissing prior approval to re-evaluate 03b684c

Dismissing prior approval to re-evaluate bfd0201

[bigpod98]

any movement on accepting this?

[cursor]

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

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^{Reviewed by Cursor Bugbot for commit f5629f8. Configure here.}

[cursor]

Debian deps omit GBM library

Medium Severity

New Debian packages set deb.depends from DEB_DEPENDENCIES, which replaces electron-builder’s generated dependency set rather than merging with it. RPM_DEPENDENCIES includes mesa-libgbm, but the Debian list has no matching GBM package (for example libgbm1), so installs on minimal Debian/Ubuntu systems can pass dependency checks yet fail at runtime when Electron/Chromium loads libgbm.so.1.

Additional Locations (1)

• scripts/build-desktop-artifact.ts#L127-L140

 

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