diff --git a/Sources/ManaLLM/LLMRouter.swift b/Sources/ManaLLM/LLMRouter.swift
index a53b6e6..8890fa4 100644
--- a/Sources/ManaLLM/LLMRouter.swift
+++ b/Sources/ManaLLM/LLMRouter.swift
@@ -22,18 +22,28 @@ public actor LLMRouter {
 	/// Apps mit weniger Backends überschreiben das.
 	public static let shared = LLMRouter()
 
-	private let appleFM = AppleFMBackend()
-	private let noOp = NoOpBackend()
-	private let gemmaE2B = GemmaBackend(variant: .e2b)
-	private let gemmaE4B = GemmaBackend(variant: .e4b)
+	private let appleFM: AppleFMBackend
+	private let noOp: NoOpBackend
+	private let gemmaE2B: GemmaBackend
+	private let gemmaE4B: GemmaBackend
 
 	/// Priority-Reihenfolge der Backends. Apps können das je nach
 	/// Use-Case justieren — z.B. moodlit will Gemma E2B bevor es FM
 	/// (Creative-Mapping), pageta will FM zuerst (Summary).
 	private var preferred: [LLMBackendID]
 
-	public init(preferred: [LLMBackendID] = [.appleFM, .gemmaE2B, .gemmaE4B, .noOp]) {
+	/// `gemmaAllowsCellular` reicht die App-Einstellung an die
+	/// Gemma-Backends durch — Default `false` (WiFi-only). Bei
+	/// Toggle-Change muss App den Router neu instanziieren.
+	public init(
+		preferred: [LLMBackendID] = [.appleFM, .gemmaE2B, .gemmaE4B, .noOp],
+		gemmaAllowsCellular: Bool = false
+	) {
 		self.preferred = preferred
+		self.appleFM = AppleFMBackend()
+		self.noOp = NoOpBackend()
+		self.gemmaE2B = GemmaBackend(variant: .e2b, allowsCellular: gemmaAllowsCellular)
+		self.gemmaE4B = GemmaBackend(variant: .e4b, allowsCellular: gemmaAllowsCellular)
 	}
 
 	public func setPreferred(_ ids: [LLMBackendID]) {