// MCP plugin tagged errors. Each carries an `HttpApiSchema` annotation so// it can be `.addError(...)` directly on the API group — handlers return// these and HttpApi encodes them as 4xx responses with a typed body. No// per-handler sanitisation step. import { Schema } from "effect"; export class McpConnectionError extends Schema.TaggedErrorClass<McpConnectionError>()(  "McpConnectionError",  {    transport: Schema.String,    message: Schema.String,  },  { httpApiStatus: 400 },) {} export class McpToolDiscoveryError extends Schema.TaggedErrorClass<McpToolDiscoveryError>()(  "McpToolDiscoveryError",  {    stage: Schema.Literals(["connect", "list_tools"]),    message: Schema.String,  },  { httpApiStatus: 400 },) {} export class McpInvocationError extends Schema.TaggedErrorClass<McpInvocationError>()(  "McpInvocationError",  {    toolName: Schema.String,    message: Schema.String,  },  { httpApiStatus: 400 },) {} export class McpOAuthError extends Schema.TaggedErrorClass<McpOAuthError>()(  "McpOAuthError",  {    message: Schema.String,  },  { httpApiStatus: 400 },) {}