improved a lot of things

packages/agent-bridge/src/protocol.ts

@@ -0,0 +1,69 @@
+// ── MCP / JSON-RPC 2.0 protocol types ────────────────────────────────────────
+// The Agent Bridge implements MCP over JSON-RPC 2.0, transported via WebSocket
+// (long-running) or HTTP POST (polling-based agents).
+
+export interface JsonRpcRequest {
+  jsonrpc: '2.0';
+  id: string | number;
+  method: string;
+  params?: unknown;
+}
+
+export interface JsonRpcSuccess<T = unknown> {
+  jsonrpc: '2.0';
+  id: string | number;
+  result: T;
+}
+
+export interface JsonRpcError {
+  jsonrpc: '2.0';
+  id: string | number | null;
+  error: {
+    code: number;
+    message: string;
+    data?: unknown;
+  };
+}
+
+export type JsonRpcResponse<T = unknown> = JsonRpcSuccess<T> | JsonRpcError;
+
+// ── MCP error codes ───────────────────────────────────────────────────────────
+export const MCP_ERROR = {
+  PARSE_ERROR:      -32700,
+  INVALID_REQUEST:  -32600,
+  METHOD_NOT_FOUND: -32601,
+  INVALID_PARAMS:   -32602,
+  INTERNAL_ERROR:   -32603,
+  // Application-level codes
+  UNAUTHORIZED:     -32001,
+  RATE_LIMITED:     -32002,
+  NOT_FOUND:        -32003,
+} as const;
+
+// ── Origmain-specific envelope ────────────────────────────────────────────────
+// Every connection must present a signed workspace token in the first message.
+
+export interface AuthRequest {
+  type: 'auth';
+  workspaceToken: string;
+}
+
+export interface AuthAck {
+  type: 'auth_ack';
+  workspaceId: string;
+  agentType: 'CURSOR' | 'CLAUDE_CODE' | 'GENERIC';
+}
+
+// ── Tool result types ─────────────────────────────────────────────────────────
+
+export interface ToolResult<T> {
+  content: { type: 'text'; text: string } | { type: 'json'; json: T };
+}
+
+export function textResult(text: string): ToolResult<never> {
+  return { content: { type: 'text', text } };
+}
+
+export function jsonResult<T>(json: T): ToolResult<T> {
+  return { content: { type: 'json', json } };
+}