Note

Low Risk
Build-time packaging verification only; no runtime auth or data-path changes, though a stricter check could fail CI if unpack layout regresses.

Overview
Adds an electron-builder afterPack hook so desktop packaging fails fast if required runtime files are missing from app.asar.unpacked/node_modules (e.g. effect, @effect/platform-node, mime, undici).

desktop-after-pack.ts exports verifyUnpackedRuntimeFiles and an afterPack entry that checks a fixed list of paths under the packaged app output. build-desktop-artifact.ts copies the hook into the stage workspace, passes its path into createBuildConfig via optional afterPackHookPath, and sets build.afterPack when provided. Tests cover the verifier and Windows build config wiring (DESKTOP_AFTER_PACK_HOOK_FILE).

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Note

Add afterPack hook to verify required Effect modules are present after desktop packaging

• Introduces desktop-after-pack.ts as an electron-builder afterPack hook that checks for required files in app.asar.unpacked/node_modules after packaging, throwing an error listing any missing files.
• Updates buildDesktopArtifact in build-desktop-artifact.ts to stage the hook file into the app directory and pass its path to createBuildConfig, which now conditionally sets afterPack in the electron-builder config.
• Risk: packaging will now fail if any required unpacked runtime files are absent, which is a new hard failure for previously silent omissions.