Releases offer plain programs; the licences are built in

Release assets are now the programs themselves: SolveCraft and solvecraft-cli .exe for Windows,
plain Linux binaries plus the AppImage, a macOS .dmg (SolveCraft.app with an Applications link) and
the universal CLI binary; only the web app stays a zip. The notes template takes {tag}, says to
chmod +x on Linux and macOS, and GitHub adds the change list.

Since no LICENSE or NOTICE file rides along any more, the programs carry them:
THIRD-PARTY-LICENSES.txt (written by `cargo xtask licences` from cargo metadata and each shipped
crate's own licence files, 419 crates; `cargo xtask ci` checks it is current) is embedded with
LICENSE-MIT, LICENSE-APACHE and NOTICE in solvecraft_engine::licences, shown in Help ▸ About ▸
Licences (third-party text laid out by visible rows) and printed by `solvecraft-cli licences`.
Scenario s44_about_licences.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

.github/release/package-linux.sh

@@ -1,14 +1,13 @@
 #!/usr/bin/env bash
-# Package the Linux release build: a tar.gz with both binaries, and an AppImage of the desktop app.
-# Usage: .github/release/package-linux.sh <tag>   (from the repository root, after
+# Package the Linux release build: the app and the CLI as plain binaries, and an AppImage of the
+# app. Usage: .github/release/package-linux.sh <tag>   (from the repository root, after
 # `cargo build --release -p solvecraft -p solvecraft-cli`). Writes out/.
 set -euo pipefail
 tag=${1:?usage: package-linux.sh <tag>}
 bin=${CARGO_TARGET_DIR:-target}/release
-name="solvecraft-$tag-linux-x86_64"
-rm -rf stage out && mkdir -p "stage/$name" out
-cp "$bin/solvecraft" "$bin/solvecraft-cli" README.md LICENSE-MIT LICENSE-APACHE NOTICE ATTRIBUTION.md "stage/$name/"
-tar -C stage -czf "out/$name.tar.gz" "$name"
+rm -rf stage out && mkdir -p stage out
+cp "$bin/solvecraft" "out/solvecraft-$tag-linux-x86_64"
+cp "$bin/solvecraft-cli" "out/solvecraft-cli-$tag-linux-x86_64"
 
 # AppImage. The icon is rendered by SolveCraft itself from the bracket example, so no image file
 # is committed.

.github/release/package-macos.sh

@@ -1,17 +1,17 @@
 #!/usr/bin/env bash
-# Package the macOS release build: a universal (arm64 + x86_64) SolveCraft.app and CLI in one zip.
+# Package the macOS release build: a universal (arm64 + x86_64) SolveCraft.app in a .dmg (with an
+# Applications link to drag it onto), and the universal CLI as a plain binary.
 # Usage: .github/release/package-macos.sh <tag>   (from the repository root, after building both
-# aarch64-apple-darwin and x86_64-apple-darwin). Writes out/. The app is not signed.
+# aarch64-apple-darwin and x86_64-apple-darwin). Writes out/. Neither is signed.
 set -euo pipefail
 tag=${1:?usage: package-macos.sh <tag>}
 version=${tag#v}
 t=${CARGO_TARGET_DIR:-target}
-name="solvecraft-$tag-macos-universal"
-rm -rf stage out && mkdir -p "stage/$name" out
-app="stage/$name/SolveCraft.app"
+rm -rf stage out && mkdir -p stage/dmg out
+app="stage/dmg/SolveCraft.app"
 mkdir -p "$app/Contents/MacOS"
 lipo -create -output "$app/Contents/MacOS/solvecraft" "$t/aarch64-apple-darwin/release/solvecraft" "$t/x86_64-apple-darwin/release/solvecraft"
-lipo -create -output "stage/$name/solvecraft-cli" "$t/aarch64-apple-darwin/release/solvecraft-cli" "$t/x86_64-apple-darwin/release/solvecraft-cli"
+lipo -create -output "out/solvecraft-cli-$tag-macos-universal" "$t/aarch64-apple-darwin/release/solvecraft-cli" "$t/x86_64-apple-darwin/release/solvecraft-cli"
 cat > "$app/Contents/Info.plist" <<PLIST
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
@@ -29,7 +29,7 @@ cat > "$app/Contents/Info.plist" <<PLIST
 </dict>
 </plist>
 PLIST
-cp README.md LICENSE-MIT LICENSE-APACHE NOTICE ATTRIBUTION.md "stage/$name/"
 lipo -info "$app/Contents/MacOS/solvecraft"
-(cd stage && ditto -c -k --keepParent "$name" "../out/$name.zip")
+ln -s /Applications stage/dmg/Applications
+hdiutil create -volname "SolveCraft $tag" -srcfolder stage/dmg -ov -format UDZO "out/SolveCraft-$tag-macos-universal.dmg"
 ls -l out