⚖️ chore(web/default): add reusable copyright header tooling

Add a Bun script to apply and normalize AGPL copyright headers across the default frontend source files.

The script keeps headers idempotent, upgrades existing headers to the 2023-2026 QuantumNous range, and is exposed through `bun run copyright` for future maintenance.

web/default/src/features/chat/hooks/use-active-chat-key.ts

@@ -1,7 +1,25 @@
+/*
+Copyright (C) 2023-2026 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
 import { useQuery } from '@tanstack/react-query'
+import { useAuthStore } from '@/stores/auth-store'
 import { fetchTokenKey, getApiKeys } from '@/features/keys/api'
 import { API_KEY_STATUS } from '@/features/keys/constants'
-import { useAuthStore } from '@/stores/auth-store'
 
 export async function fetchActiveChatKey() {
   const result = await getApiKeys({ p: 1, size: 50 })

web/default/src/features/chat/hooks/use-chat-presets.ts

@@ -1,3 +1,21 @@
+/*
+Copyright (C) 2023-2026 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
 import { useMemo } from 'react'
 import { useStatus } from '@/hooks/use-status'
 import type { SystemStatus } from '@/features/auth/types'

web/default/src/features/chat/lib/chat-links.ts

@@ -1,3 +1,21 @@
+/*
+Copyright (C) 2023-2026 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
 import { API_KEY_STATUS } from '@/features/keys/constants'
 
 export type ChatLinkType = 'web' | 'custom-protocol' | 'fluent'

web/default/src/features/chat/lib/send-to-fluent.ts

@@ -1,3 +1,21 @@
+/*
+Copyright (C) 2023-2026 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
 export function sendToFluent(apiKey: string, serverAddress?: string): boolean {
   if (typeof window === 'undefined') {
     return false