Release under the SolidCraft name: binaries, assets and installers (#383)

* Release under the SolidCraft name: binaries, assets and installers

The desktop binary is now `solidcraft` and the CLI `solidcraft-cli` (the two app packages
are renamed; their folders move with the rest of the rename later). Every release asset is
named solidcraft-<ver>-… / SolidCraft-<ver>-windows-x64.exe, and the installers show the
SolidCraft product name.

Kept so existing installs keep updating (docs/compatibility.md):
- `solvecraft-cli` alias binary in every package, forwarding to solidcraft-cli with a
  deprecation note on stderr (tests/legacy_alias.rs).
- Linux app ID ai.storyteller.solvecraft (Flatpak ID, desktop entry, Wayland app_id).
- MSI UpgradeCode, so the MSI upgrades in place.
- deb Replaces/Conflicts/Provides and rpm Obsoletes/Provides solvecraft.
- An old-named .zsync copy so earlier AppImages find updates; a legacy .flatpakrepo copy.
- .solvecraft file associations; SOLVECRAFT_* fallbacks in the packaging scripts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

* MSI: register the legacy .solvecraft extension without a duplicate open verb

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

packaging/linux/flatpak-smoke.py

@@ -28,7 +28,7 @@ work=$(mktemp -d)
 export XDG_CONFIG_HOME="$work/config" XDG_DATA_HOME="$work/data" XDG_CACHE_HOME="$work/cache"
 mkdir -p "$XDG_CONFIG_HOME" "$XDG_DATA_HOME" "$XDG_CACHE_HOME"
 unset WGPU_BACKEND WGPU_BACKENDS
-solvecraft --control 18837 >"$work/app.log" 2>&1 &
+solidcraft --control 18837 >"$work/app.log" 2>&1 &
 app=$!
 cleanup() {
   kill "$app" 2>/dev/null || true
@@ -165,10 +165,10 @@ def frame_statistics(png):
 def probe(gl_saved_four=False):
     shell = SANDBOX_PROBE
     if gl_saved_four:
-        shell = shell.replace('solvecraft --control',
+        shell = shell.replace('solidcraft --control',
                               'mkdir -p "$XDG_DATA_HOME/solvecraft"\n'
                               'printf \'{"msaa":4}\' >"$XDG_DATA_HOME/solvecraft/graphics.json"\n'
-                              'export WGPU_BACKEND=gl\nsolvecraft --control')
+                              'export WGPU_BACKEND=gl\nsolidcraft --control')
     result = subprocess.run(["flatpak", "run", "--user", "--command=bash", APP_ID, "-c", shell],
                             text=True, capture_output=True, timeout=125)
     if result.returncode:
@@ -201,6 +201,7 @@ def run_backend(backend):
         env.pop("WAYLAND_DISPLAY", None)
         env.pop("WAYLAND_SOCKET", None)
         env.pop("DISPLAY", None)
+        env.pop("SOLIDCRAFT_WAYLAND", None)
         env.pop("SOLVECRAFT_WAYLAND", None)
         command = ["dbus-run-session", "--"]
         compositor = None