enhance(backend): pugをやめ、JSXベースのテンプレートに変更 (#16908)

* enhance(backend): pugをやめ、JSXベースのテンプレートに変更 (to misskey-dev dev branch) (#16889)

* wip

* wip

* wip

* wip

* fix lint

* attempt to fix test

* fix

* fix

* fix: oauthページの描画がおかしい問題を修正

* typo [ci skip]

* fix

* fix

* fix

* fix

* fix

* refactor

* fix

* fix

* fix broken lockfile

* fix: expose supported languages as global variable

* remove i18n package from root as it is no longer required [ci skip]

* fix

* fix: add i18n package.json to Docker target-builder stage for federation tests (#16909)

* Initial plan

* fix: add i18n package.json to Docker target-builder stage for federation tests

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* fix: followup-test-federation for enh-remove-pug (#16910)

* fix: followup-test-federation for enh-remove-pug

* Revert "fix: add i18n package.json to Docker target-builder stage for federation tests (#16909)"

This reverts commit 14313468d34f49c363eef4d0a932e9fc0d9a37fb.

* fix: CSSが読み込まれない場合がある問題を修正

* fix [ci skip]

* fix: propsのデフォルト値をnull合体演算子から論理和演算子に変更（空文字に対処するため）

* remove @types/pug

* enhance: bootloaderを埋め込むように

* fix possible race condition

* remove esbuild

---------

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>
Co-authored-by: おさむのひと <46447427+samunohito@users.noreply.github.com>

packages/backend/package.json

@@ -80,7 +80,7 @@
 		"@fastify/http-proxy": "11.3.0",
 		"@fastify/multipart": "9.3.0",
 		"@fastify/static": "8.3.0",
-		"@fastify/view": "11.1.1",
+		"@kitajs/html": "4.2.11",
 		"@misskey-dev/sharp-read-bmp": "1.2.0",
 		"@misskey-dev/summaly": "5.2.5",
 		"@napi-rs/canvas": "0.1.82",
@@ -123,6 +123,7 @@
 		"got": "14.6.4",
 		"hpagent": "1.2.0",
 		"http-link-header": "1.1.3",
+		"i18n": "workspace:*",
 		"ioredis": "5.8.2",
 		"ip-cidr": "4.0.2",
 		"ipaddr.js": "2.2.0",
@@ -153,7 +154,6 @@
 		"pkce-challenge": "5.0.0",
 		"probe-image-size": "7.2.3",
 		"promise-limit": "2.7.0",
-		"pug": "3.0.3",
 		"qrcode": "1.5.4",
 		"random-seed": "0.3.0",
 		"ratelimiter": "3.4.1",
@@ -185,6 +185,7 @@
 	},
 	"devDependencies": {
 		"@jest/globals": "29.7.0",
+		"@kitajs/ts-html-plugin": "4.1.3",
 		"@nestjs/platform-express": "11.1.9",
 		"@sentry/vue": "10.26.0",
 		"@simplewebauthn/types": "12.0.0",
@@ -208,7 +209,6 @@
 		"@types/oauth2orize": "1.11.5",
 		"@types/oauth2orize-pkce": "0.1.2",
 		"@types/pg": "8.15.6",
-		"@types/pug": "2.0.10",
 		"@types/qrcode": "1.5.6",
 		"@types/random-seed": "0.3.5",
 		"@types/ratelimiter": "3.4.6",
@@ -236,6 +236,7 @@
 		"nodemon": "3.1.11",
 		"pid-port": "2.0.0",
 		"simple-oauth2": "5.1.0",
-		"supertest": "7.1.4"
+		"supertest": "7.1.4",
+		"vite": "7.2.4"
 	}
 }