feat: supports electron app (#4952)

* feat: add desktop wrapper with frontend-only packaging

* docs: add desktop build docs and track dashboard lockfile

* fix: track desktop lockfile for npm ci

* fix: allow custom install directory for windows installer

* chore: migrate desktop workflow to pnpm

* fix(desktop): build AppImage only on Linux

* fix(desktop): harden packaged startup and backend bundling

* fix(desktop): adapt packaged restart and plugin dependency flow

* fix(desktop): prevent backend respawn race on quit

* fix(desktop): prefer pyproject version for desktop packaging

* fix(desktop): improve startup loading UX and reduce flicker

* ci: add desktop multi-platform release workflow

* ci: fix desktop release build and mac runner labels

* ci: disable electron-builder auto publish in desktop build

* ci: avoid electron-builder publish path in build matrix

* ci: normalize desktop release artifact names

* ci: exclude blockmap files from desktop release assets

* ci: prefix desktop release assets with AstrBot and purge blockmaps

* feat: add electron bridge types and expose backend control methods in preload script

* Update startup screen assets and styles

- Changed the icon from PNG to SVG format for better scalability.
- Updated the border color from #d0d0d0 to #eeeeee for a softer appearance.
- Adjusted the width of the startup screen from 460px to 360px for improved responsiveness.

* Update .gitignore to include package.json

* chore: remove desktop gitkeep ignore exceptions

* docs: update desktop troubleshooting for current runtime behavior

* refactor(desktop): modularize runtime and harden startup flow

---------

Co-authored-by: Soulter <905617992@qq.com>
Co-authored-by: Soulter <37870767+Soulter@users.noreply.github.com>

.gitignore

@@ -32,6 +32,14 @@ tests/astrbot_plugin_openai
 # Dashboard
 dashboard/node_modules/
 dashboard/dist/
+.pnpm-store/
+desktop/node_modules/
+desktop/dist/
+desktop/out/
+desktop/resources/backend/astrbot-backend*
+desktop/resources/backend/*.exe
+desktop/resources/webui/*
+desktop/resources/.pyinstaller/
 package-lock.json
 yarn.lock
 
@@ -52,4 +60,4 @@ IFLOW.md
 
 # genie_tts data
 CharacterModels/
-GenieData/
+GenieData/