From b9dd4b85c62e518d05d2864b8d38317e11353005 Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Wed, 12 Aug 2026 03:59:41 +0000
Subject: [PATCH] Release 0.51.0

---
 .../ModelManagerUtils.swift                   |  2 +-
 .../LSPTypes.swift                            | 41 +++++++++++++++++--
 2 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/Core/Sources/ConversationTab/ModeAndModelPicker/ModelManagerUtils.swift b/Core/Sources/ConversationTab/ModeAndModelPicker/ModelManagerUtils.swift
index a4542c90..dda65e47 100644
--- a/Core/Sources/ConversationTab/ModeAndModelPicker/ModelManagerUtils.swift
+++ b/Core/Sources/ConversationTab/ModeAndModelPicker/ModelManagerUtils.swift
@@ -374,7 +374,7 @@ extension CopilotModel {
             modelPickerCategory: modelPickerCategory,
             modelPickerPriceCategory: modelPickerPriceCategory,
             reasoningEfforts: capabilities.supports.reasoningEfforts,
-            supportsReasoningEffortLevel: capabilities.supports.supportsReasoningEffortLevel ?? false
+            supportsReasoningEffortLevel: capabilities.supports.supportsReasoningEffortLevel
         )
     }
 }
diff --git a/Tool/Sources/ConversationServiceProvider/LSPTypes.swift b/Tool/Sources/ConversationServiceProvider/LSPTypes.swift
index 88b86933..eda80b2c 100644
--- a/Tool/Sources/ConversationServiceProvider/LSPTypes.swift
+++ b/Tool/Sources/ConversationServiceProvider/LSPTypes.swift
@@ -48,6 +48,7 @@ public struct CopilotModel: Codable, Equatable {
     public let isChatFallback: Bool
     public let capabilities: CopilotModelCapabilities
     public let billing: CopilotModelBilling?
+    public let customModel: CopilotModelCustomModel?
     public let degradationReason: String?
     public let modelPickerCategory: String?
     public let modelPickerPriceCategory: String?
@@ -73,7 +74,7 @@ public struct CopilotModelCapabilitiesLimits: Codable, Equatable {
 public struct CopilotModelCapabilitiesSupports: Codable, Equatable {
     public let vision: Bool
     public let reasoningEfforts: [String]?
-    public let supportsReasoningEffortLevel: Bool?
+    public let supportsReasoningEffortLevel: Bool
 }
 
 public struct CopilotModelBilling: Codable, Equatable, Hashable {
@@ -81,20 +82,54 @@ public struct CopilotModelBilling: Codable, Equatable, Hashable {
     public let multiplier: Float
     public let tokenBasedBillingEnabled: Bool?
     public let tokenPrices: CopilotModelBillingTokenPrices?
+    public let promo: CopilotModelBillingPromo?
 
-    public init(isPremium: Bool, multiplier: Float, tokenBasedBillingEnabled: Bool? = nil, tokenPrices: CopilotModelBillingTokenPrices? = nil) {
+    public init(
+        isPremium: Bool,
+        multiplier: Float,
+        tokenBasedBillingEnabled: Bool? = nil,
+        tokenPrices: CopilotModelBillingTokenPrices? = nil,
+        promo: CopilotModelBillingPromo? = nil
+    ) {
         self.isPremium = isPremium
         self.multiplier = multiplier
         self.tokenBasedBillingEnabled = tokenBasedBillingEnabled
         self.tokenPrices = tokenPrices
+        self.promo = promo
     }
 }
 
 public struct CopilotModelBillingTokenPrices: Codable, Equatable, Hashable {
+    public let batchSize: Int?
+    public let `default`: CopilotModelTokenPriceTier?
+    public let longContext: CopilotModelTokenPriceTier?
+
+    public var cachePrice: Float? { `default`?.cachePrice ?? longContext?.cachePrice }
+    public var inputPrice: Float? { `default`?.inputPrice ?? longContext?.inputPrice }
+    public var outputPrice: Float? { `default`?.outputPrice ?? longContext?.outputPrice }
+    public var tokenUnit: Int? { batchSize }
+}
+
+public struct CopilotModelTokenPriceTier: Codable, Equatable, Hashable {
     public let cachePrice: Float?
+    public let cacheWritePrice: Float?
     public let inputPrice: Float?
     public let outputPrice: Float?
-    public let tokenUnit: Int?
+    public let maxContext: Int?
+}
+
+public struct CopilotModelBillingPromo: Codable, Equatable, Hashable {
+    public let id: String
+    public let discountPercent: Float
+    public let endsAt: String
+    public let message: String
+}
+
+public struct CopilotModelCustomModel: Codable, Equatable {
+    public let keyName: String?
+    public let ownerName: String?
+    public let ownerType: String?
+    public let provider: String?
 }
 
 // MARK: ChatModes