feat: add subtitle generation and bundle Bun launcher runtime

- Add local subtitle generation and card timing review workflows
- Package cross-platform Bun runtimes, launchers, licenses, and source
- Consolidate release packaging and refresh v0.19.6 documentation

packaging/aur/subminer-bin/.SRCINFO

@@ -5,7 +5,11 @@ pkgbase = subminer-bin
 	url = https://github.com/ksyasuda/SubMiner
 	arch = x86_64
 	license = GPL-3.0-or-later
-	depends = bun
+	license = MIT
+	license = LGPL-2.0-only
+	license = LGPL-2.1-only
+	license = Apache-2.0
+	license = BSD-3-Clause
 	depends = fuse2
 	depends = glibc
 	depends = mpv

packaging/aur/subminer-bin/PKGBUILD

@@ -6,10 +6,9 @@ pkgrel=2
 pkgdesc='All-in-one sentence mining overlay with AnkiConnect and dictionary integration'
 arch=('x86_64')
 url='https://github.com/ksyasuda/SubMiner'
-license=('GPL-3.0-or-later')
+license=('GPL-3.0-or-later' 'MIT' 'LGPL-2.0-only' 'LGPL-2.1-only' 'Apache-2.0' 'BSD-3-Clause')
 options=('!strip' '!debug')
 depends=(
-	'bun'
 	'fuse2'
 	'glibc'
 	'mpv'
@@ -64,4 +63,9 @@ package() {
 
 	install -dm755 "${pkgdir}/usr/share/SubMiner/plugin/subminer"
 	cp -a "${srcdir}/plugin/subminer/." "${pkgdir}/usr/share/SubMiner/plugin/subminer/"
+
+	# Bundled Bun runtime notices: MIT and BSD texts are not in the licenses package.
+	install -dm755 "${pkgdir}/usr/share/licenses/${pkgname}"
+	install -m644 "${srcdir}"/resources/bun/licenses/* \
+		"${pkgdir}/usr/share/licenses/${pkgname}/"
 }