fix(macos): package the app as SolidCraft (#347) (#354)

docs/book/src/guide/getting-started.md

@@ -19,6 +19,17 @@ cargo run --release -p solvecraft -- --sample   # opens with a sample part
 `solvecraft design.solvecraft` opens a saved design. Windows builds cross-compile from Linux with
 `cargo xwin build --release --target x86_64-pc-windows-msvc -p solvecraft`.
 
+### macOS
+
+Open the release `.dmg` and drag `SolidCraft.app` onto Applications.
+
+When updating from an older `SolveCraft.app`, quit the app and rename the existing
+app in Applications to `SolidCraft.app` first. Then drag the new app onto Applications
+and choose **Replace**. If you already have both names installed, move the old
+`SolveCraft.app` to the Trash. The DMG does not remove old installations automatically.
+Remove any Dock shortcut with the old name, open the new app from Applications, and
+choose **Options > Keep in Dock**. Designs, settings and the bundle ID are unchanged.
+
 ### Linux Flatpak
 
 Install Flatpak using your distribution's package manager. For an installation that receives

docs/nix.md

@@ -37,7 +37,7 @@ solidcraft --sample
 
 On Linux, this installs the SolidCraft desktop entry, MIME definition and generated icon
 sizes alongside the commands. On macOS the package contains the binaries only; for a bundled
-`SolveCraft.app`, use the release `.dmg`. NixOS/Home Manager can instead put the flake's
+`SolidCraft.app`, use the release `.dmg`. NixOS/Home Manager can instead put the flake's
 `packages.${system}.solidcraft` in `environment.systemPackages`/`home.packages`.
 If a non-NixOS desktop does not discover profile-installed launchers, ensure that
 its session includes `~/.nix-profile/share` in `XDG_DATA_DIRS`, then log out and

docs/releasing.md

@@ -9,8 +9,12 @@ version bump and no patch release for every merge.
 ## Compatibility names and deployment
 
 SolidCraft is the product display name. Keep existing release asset filenames, including
-`SolveCraft-{version}-windows-x64.exe`, `SolveCraft.app` and `solvecraft-cli` archives, together
-with installed package IDs and settings paths. Do not rewrite published 0.2.0 or 0.2.1 assets,
+`SolveCraft-{version}-windows-x64.exe` and `solvecraft-cli` archives, together
+with installed package IDs and settings paths. The macOS DMG now contains `SolidCraft.app`
+with a `SolidCraft` bundle executable and icon; its bundle ID remains
+`ai.storyteller.solvecraft`. Include the one-time macOS upgrade instructions from
+`.github/release-notes.md` so users replace an existing `SolveCraft.app` rather than
+installing a second copy. Do not rewrite published 0.2.0 or 0.2.1 assets,
 checksums, tags or historical release notes.
 
 Project Pages publishes the documentation, browser app and published-release Flatpak