1 files changed, 57 insertions, 0 deletions
diff --git a/packages/frontend/src/lib/types.ts b/packages/frontend/src/lib/types.ts
new file mode 100644
index 0000000..6edb550
--- /dev/null
+++ b/packages/frontend/src/lib/types.ts
@@ -0,0 +1,57 @@
+export interface ToolCallDisplay {
+	id: string;
+	name: string;
+	arguments: Record<string, unknown>;
+	result?: string;
+	isError?: boolean;
+	isExpanded: boolean;
+}
+
+export interface DebugInfo {
+	timestamp: string;
+	error?: string;
+	model?: string;
+	apiBase?: string;
+	connectionStatus?: string;
+	agentStatus?: string;
+	rawEvent?: unknown;
+	httpStatus?: number;
+	httpBody?: string;
+}
+
+export interface ChatMessage {
+	id: string;
+	role: "user" | "assistant";
+	content: string;
+	toolCalls?: ToolCallDisplay[];
+	isStreaming?: boolean;
+	debugInfo?: DebugInfo;
+}
+
+export type ConnectionStatus = "connecting" | "connected" | "disconnected";
+
+export type AgentEvent =
+	| { type: "status"; status: "idle" | "running" | "error" }
+	| { type: "text-delta"; delta: string }
+	| {
+			type: "tool-call";
+			toolCall: {
+				id: string;
+				name: string;
+				arguments: Record<string, unknown>;
+			};
+	  }
+	| {
+			type: "tool-result";
+			toolResult: { toolCallId: string; result: string; isError: boolean };
+	  }
+	| { type: "error"; error: string }
+	| {
+			type: "done";
+			message: {
+				role: string;
+				content: string;
+				toolCalls?: unknown[];
+				toolResults?: unknown[];
+			};
+	  };