Update @github/copilot to 0.0.387 (github#54)

* Update @github/copilot to 0.0.387

* Regenerate session types

* Restore custom python session types

Author: devm33

dotnet/src/Generated/SessionEvents.cs

@@ -6,7 +6,7 @@
 //
 // Generated from: @github/copilot/session-events.schema.json
 // Generated by: scripts/generate-session-types.ts
-// Generated at: 2026-01-16T00:52:52.781Z
+// Generated at: 2026-01-20T04:18:06.775Z
 //
 // To update these types:
 // 1. Update the schema in copilot-agent-runtime
@@ -78,7 +78,7 @@ internal class SessionEventConverter : JsonConverter<SessionEvent>
                 throw new JsonException("Missing 'type' discriminator property");
 
             if (!TypeMap.TryGetValue(typeProp, out var targetType))
-                return null; // Ignore unknown event types for forward compatibility
+                throw new JsonException($"Unknown event type: {typeProp}");
 
             // Deserialize to the concrete type without using this converter (to avoid recursion)
             return (SessionEvent?)obj.Deserialize(targetType, SerializerOptions.WithoutConverter);
@@ -505,6 +505,10 @@ public partial class SessionStartData
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("selectedModel")]
         public string SelectedModel { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("context")]
+        public SessionStartDataContext? Context { get; set; }
     }
 
     public partial class SessionResumeData
@@ -514,6 +518,10 @@ public partial class SessionResumeData
 
         [JsonPropertyName("eventCount")]
         public double EventCount { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("context")]
+        public SessionResumeDataContext? Context { get; set; }
     }
 
     public partial class SessionErrorData
@@ -969,6 +977,42 @@ public partial class SystemMessageData
         public SystemMessageDataMetadata? Metadata { get; set; }
     }
 
+    public partial class SessionStartDataContext
+    {
+        [JsonPropertyName("cwd")]
+        public string Cwd { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("gitRoot")]
+        public string GitRoot { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("repository")]
+        public string Repository { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("branch")]
+        public string Branch { get; set; }
+    }
+
+    public partial class SessionResumeDataContext
+    {
+        [JsonPropertyName("cwd")]
+        public string Cwd { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("gitRoot")]
+        public string GitRoot { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("repository")]
+        public string Repository { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("branch")]
+        public string Branch { get; set; }
+    }
+
     public partial class SessionHandoffDataRepository
     {
         [JsonPropertyName("owner")]
@@ -1017,6 +1061,10 @@ public partial class AssistantMessageDataToolRequestsItem
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("arguments")]
         public object Arguments { get; set; }
+
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        [JsonPropertyName("type")]
+        public AssistantMessageDataToolRequestsItemType? Type { get; set; }
     }
 
     public partial class ToolExecutionCompleteDataResult
@@ -1068,6 +1116,12 @@ public enum UserMessageDataAttachmentsItemType
         Directory,
     }
 
+    public enum AssistantMessageDataToolRequestsItemType
+    {
+        Function,
+        Custom,
+    }
+
     public enum SystemMessageDataRole
     {
         System,

go/generated/session_events.go

@@ -40,7 +40,7 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@github/copilot": "^0.0.384",
+    "@github/copilot": "^0.0.387",
     "vscode-jsonrpc": "^8.2.1",
     "zod": "^4.3.5"
   },

nodejs/package-lock.json

@@ -3,7 +3,7 @@
  *
  * Generated from: @github/copilot/session-events.schema.json
  * Generated by: scripts/generate-session-types.ts
- * Generated at: 2026-01-16T00:52:51.450Z
+ * Generated at: 2026-01-20T04:18:06.227Z
  *
  * To update these types:
  * 1. Update the schema in copilot-agent-runtime
@@ -24,6 +24,12 @@ export type SessionEvent =
         copilotVersion: string;
         startTime: string;
         selectedModel?: string;
+        context?: {
+          cwd: string;
+          gitRoot?: string;
+          repository?: string;
+          branch?: string;
+        };
       };
     }
   | {
@@ -35,6 +41,12 @@ export type SessionEvent =
       data: {
         resumeTime: string;
         eventCount: number;
+        context?: {
+          cwd: string;
+          gitRoot?: string;
+          repository?: string;
+          branch?: string;
+        };
       };
     }
   | {
@@ -237,6 +249,7 @@ export type SessionEvent =
           toolCallId: string;
           name: string;
           arguments?: unknown;
+          type?: "function" | "custom";
         }[];
         parentToolCallId?: string;
       };