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/nfpm.yaml

@@ -1,7 +1,15 @@
 # .deb and .rpm packages (nfpm: https://nfpm.goreleaser.com). Run by package.sh, which stages
 # the file tree, substitutes its path for ${STAGE} (nfpm doesn't expand env vars in `src`) and
 # exports VERSION and NFPM_ARCH. Adapted from PhotoCraft's (storytold/photocraft, Apache-2.0).
-name: solvecraft
+name: solidcraft
+# Compatibility shim (docs/compatibility.md): releases before the rename were packaged as `solvecraft`.
+# Installing this package replaces that one (Debian Replaces/Conflicts, set under overrides.deb;
+# nfpm writes `replaces` as RPM Obsoletes), so `apt install ./solidcraft-….deb` or `dnf install ./solidcraft-….rpm`
+# upgrades an old install instead of failing on the shared desktop and icon files.
+replaces:
+  - solvecraft
+provides:
+  - solvecraft
 arch: ${NFPM_ARCH}
 platform: linux
 version: ${VERSION}
@@ -10,14 +18,14 @@ version_schema: semver
 release: 1
 section: graphics
 priority: optional
-maintainer: ${SOLVECRAFT_MAINTAINER}
+maintainer: ${SOLIDCRAFT_MAINTAINER}
 vendor: SolidCraft contributors
 homepage: https://bherbruck.github.io/solidcraft/
 license: MIT OR Apache-2.0
 description: |-
   Open-source parametric 3D CAD in the style of Fusion
   Sketches with a constraint solver, a parametric feature timeline, components and
-  joints, sheet metal; STEP, IGES, 3MF, STL and OBJ. Includes solvecraft-cli, a
+  joints, sheet metal; STEP, IGES, 3MF, STL and OBJ. Includes solidcraft-cli, a
   headless command runner and MCP server for AI agents.
 
 # The binaries link only glibc and libgcc_s directly. Windowing (X11/Wayland, xkbcommon) and the
@@ -25,6 +33,9 @@ description: |-
 # the package tools can't find them: list them here.
 overrides:
   deb:
+    # Debian's rename pattern: Replaces + Conflicts + Provides (docs/compatibility.md).
+    conflicts:
+      - solvecraft
     depends:
       - libc6 (>= 2.35)
       - libgcc-s1
@@ -59,9 +70,13 @@ overrides:
       - xdg-desktop-portal
 
 contents:
-  - src: ${STAGE}/usr/bin/solvecraft
-    dst: /usr/bin/solvecraft
+  - src: ${STAGE}/usr/bin/solidcraft
+    dst: /usr/bin/solidcraft
     file_info: { mode: 0755 }
+  - src: ${STAGE}/usr/bin/solidcraft-cli
+    dst: /usr/bin/solidcraft-cli
+    file_info: { mode: 0755 }
+  # Compatibility shim (docs/compatibility.md): the old CLI name forwards to solidcraft-cli.
   - src: ${STAGE}/usr/bin/solvecraft-cli
     dst: /usr/bin/solvecraft-cli
     file_info: { mode: 0755 }