From a558064f9d36187bc50f6ffa3b2a35151ecef657 Mon Sep 17 00:00:00 2001
From: "Calum H." <contact@cal.engineer>
Date: Thu, 4 Dec 2025 14:15:03 +0000
Subject: [PATCH] fix: add x-panel-version header (#4855)

---
 apps/app-frontend/src/App.vue                  |  3 ++-
 .../src/composables/servers/servers-fetch.ts   |  2 ++
 apps/frontend/src/helpers/api.ts               |  2 ++
 .../api-client/src/features/panel-version.ts   | 18 ++++++++++++++++++
 packages/api-client/src/index.ts               |  1 +
 5 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 packages/api-client/src/features/panel-version.ts

diff --git a/apps/app-frontend/src/App.vue b/apps/app-frontend/src/App.vue
index 44cf143c..a5c96662 100644
--- a/apps/app-frontend/src/App.vue
+++ b/apps/app-frontend/src/App.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { AuthFeature, TauriModrinthClient } from '@modrinth/api-client'
+import { AuthFeature, PanelVersionFeature, TauriModrinthClient } from '@modrinth/api-client'
 import {
 	ArrowBigUpDashIcon,
 	ChangeSkinIcon,
@@ -115,6 +115,7 @@ const tauriApiClient = new TauriModrinthClient({
 		new AuthFeature({
 			token: async () => (await getCreds()).session,
 		}),
+		new PanelVersionFeature(),
 	],
 })
 provideModrinthClient(tauriApiClient)
diff --git a/apps/frontend/src/composables/servers/servers-fetch.ts b/apps/frontend/src/composables/servers/servers-fetch.ts
index 94deee64..0cf8d754 100644
--- a/apps/frontend/src/composables/servers/servers-fetch.ts
+++ b/apps/frontend/src/composables/servers/servers-fetch.ts
@@ -1,3 +1,4 @@
+import { PANEL_VERSION } from '@modrinth/api-client'
 import type { V1ErrorInfo } from '@modrinth/utils'
 import { ModrinthServerError, ModrinthServersFetchError } from '@modrinth/utils'
 import { $fetch, FetchError } from 'ofetch'
@@ -103,6 +104,7 @@ export async function useServersFetch<T>(
 	const headers: Record<string, string> = {
 		'User-Agent': 'Modrinth/1.0 (https://modrinth.com)',
 		'X-Archon-Request': 'true',
+		'X-Panel-Version': String(PANEL_VERSION),
 		Vary: 'Accept, Origin',
 	}
 
diff --git a/apps/frontend/src/helpers/api.ts b/apps/frontend/src/helpers/api.ts
index 02e8ee39..a58726db 100644
--- a/apps/frontend/src/helpers/api.ts
+++ b/apps/frontend/src/helpers/api.ts
@@ -6,6 +6,7 @@ import {
 	NuxtCircuitBreakerStorage,
 	type NuxtClientConfig,
 	NuxtModrinthClient,
+	PanelVersionFeature,
 	VerboseLoggingFeature,
 } from '@modrinth/api-client'
 import type { Ref } from 'vue'
@@ -31,6 +32,7 @@ export function createModrinthClient(
 				maxFailures: 3,
 				resetTimeout: 30000,
 			}),
+			new PanelVersionFeature(),
 			...optionalFeatures,
 		],
 	}
diff --git a/packages/api-client/src/features/panel-version.ts b/packages/api-client/src/features/panel-version.ts
new file mode 100644
index 00000000..19d06219
--- /dev/null
+++ b/packages/api-client/src/features/panel-version.ts
@@ -0,0 +1,18 @@
+import { AbstractFeature } from '../core/abstract-feature'
+import type { RequestContext } from '../types/request'
+
+export const PANEL_VERSION = 1
+
+export class PanelVersionFeature extends AbstractFeature {
+	async execute<T>(next: () => Promise<T>, context: RequestContext): Promise<T> {
+		context.options.headers = {
+			...context.options.headers,
+			'X-Panel-Version': String(PANEL_VERSION),
+		}
+		return next()
+	}
+
+	shouldApply(_: RequestContext): boolean {
+		return true
+	}
+}
diff --git a/packages/api-client/src/index.ts b/packages/api-client/src/index.ts
index f4ee6500..396a0ceb 100644
--- a/packages/api-client/src/index.ts
+++ b/packages/api-client/src/index.ts
@@ -15,6 +15,7 @@ export {
 	type CircuitBreakerStorage,
 	InMemoryCircuitBreakerStorage,
 } from './features/circuit-breaker'
+export { PANEL_VERSION, PanelVersionFeature } from './features/panel-version'
 export { type BackoffStrategy, type RetryConfig, RetryFeature } from './features/retry'
 export { type VerboseLoggingConfig, VerboseLoggingFeature } from './features/verbose-logging'
 export type { InferredClientModules } from './modules'