import * as Schema from "effect/Schema";import type * as SchemaIssue from "effect/SchemaIssue"; export const CodexAppServerRequestOperation = Schema.Literals([  "decode-payload",  "encode-payload",  "handle-request",  "receive-response",]);export type CodexAppServerRequestOperation = typeof CodexAppServerRequestOperation.Type; export const CodexAppServerSchemaIssueKind = Schema.Literals([  "Filter",  "Encoding",  "Pointer",  "Composite",  "AnyOf",  "InvalidType",  "InvalidValue",  "MissingKey",  "UnexpectedKey",  "Forbidden",  "OneOf",]);export type CodexAppServerSchemaIssueKind = typeof CodexAppServerSchemaIssueKind.Type; export interface CodexAppServerSchemaIssueDiagnostics {  readonly issueCount: number;  readonly issueKinds: ReadonlyArray<CodexAppServerSchemaIssueKind>;  readonly maximumPathDepth: number;} const schemaIssueDiagnostics = (root: SchemaIssue.Issue): CodexAppServerSchemaIssueDiagnostics => {  let issueCount = 0;  let maximumPathDepth = 0;  const issueKinds = new Set<CodexAppServerSchemaIssueKind>();   const visit = (issue: SchemaIssue.Issue, pathDepth: number): void => {    issueCount += 1;    issueKinds.add(issue._tag);    maximumPathDepth = Math.max(maximumPathDepth, pathDepth);    switch (issue._tag) {      case "Filter":      case "Encoding":        visit(issue.issue, pathDepth);        break;      case "Pointer":        visit(issue.issue, pathDepth + issue.path.length);        break;      case "Composite":      case "AnyOf":        for (const child of issue.issues) visit(child, pathDepth);        break;    }  };   visit(root, 0);  return {    issueCount,    issueKinds: [...issueKinds],    maximumPathDepth,  };}; export const CodexAppServerPayloadKind = Schema.Literals([  "null",  "array",  "string",  "number",  "boolean",  "bigint",  "object",  "symbol",  "function",  "undefined",]);export type CodexAppServerPayloadKind = typeof CodexAppServerPayloadKind.Type; const payloadKind = (payload: unknown): CodexAppServerPayloadKind => {  if (payload === null) return "null";  if (Array.isArray(payload)) return "array";  return typeof payload;}; const protocolMessageFields = ["id", "method", "params", "result", "error"] as const; export const CodexAppServerProtocolMessageField = Schema.Literals(protocolMessageFields);export type CodexAppServerProtocolMessageField = typeof CodexAppServerProtocolMessageField.Type; export interface CodexAppServerRequestDiagnostics {  readonly method?: string;  readonly requestId?: string;  readonly operation?: CodexAppServerRequestOperation;  readonly cause?: unknown;  readonly issueCount?: number;  readonly issueKinds?: ReadonlyArray<CodexAppServerSchemaIssueKind>;  readonly maximumPathDepth?: number;  readonly payloadKind?: CodexAppServerPayloadKind;} export const CodexAppServerProtocolParseOperation = Schema.Literals([  "encode-wire-message",  "decode-wire-message",  "route-wire-message",  "decode-notification-payload",  "decode-request-payload",  "decode-response-payload",]);export type CodexAppServerProtocolParseOperation = typeof CodexAppServerProtocolParseOperation.Type; export const CodexAppServerTransportOperation = Schema.Literals([  "read-input-stream",  "read-process-exit-status",]);export type CodexAppServerTransportOperation = typeof CodexAppServerTransportOperation.Type; export const CodexAppServerIdentifierPurpose = Schema.Literals([  "provider-event",  "command-approval-request",  "file-change-approval-request",  "user-input-request",]);export type CodexAppServerIdentifierPurpose = typeof CodexAppServerIdentifierPurpose.Type; export interface CodexAppServerProtocolErrorShape {  readonly code: number;  readonly message: string;  readonly data?: unknown;} export class CodexAppServerSpawnError extends Schema.TaggedErrorClass<CodexAppServerSpawnError>()(  "CodexAppServerSpawnError",  {    command: Schema.optional(Schema.String),    cause: Schema.Defect(),  },) {  override get message() {    return this.command      ? `Failed to spawn Codex App Server process for command: ${this.command}`      : "Failed to spawn Codex App Server process";  }} export class CodexAppServerProcessExitedError extends Schema.TaggedErrorClass<CodexAppServerProcessExitedError>()(  "CodexAppServerProcessExitedError",  {    code: Schema.optional(Schema.Number),    pid: Schema.optionalKey(Schema.Int),    cause: Schema.optional(Schema.Defect()),  },) {  override get message() {    return this.code === undefined      ? "Codex App Server process exited"      : `Codex App Server process exited with code ${this.code}`;  }} export class CodexAppServerProtocolParseError extends Schema.TaggedErrorClass<CodexAppServerProtocolParseError>()(  "CodexAppServerProtocolParseError",  {    operation: CodexAppServerProtocolParseOperation,    method: Schema.optionalKey(Schema.String),    requestId: Schema.optionalKey(Schema.String),    payloadKind: Schema.optionalKey(CodexAppServerPayloadKind),    presentFields: Schema.optionalKey(Schema.Array(CodexAppServerProtocolMessageField)),    issueCount: Schema.optionalKey(Schema.Number),    issueKinds: Schema.optionalKey(Schema.Array(CodexAppServerSchemaIssueKind)),    maximumPathDepth: Schema.optionalKey(Schema.Number),    cause: Schema.optional(Schema.Defect()),  },) {  override get message() {    const method = this.method === undefined ? "" : ` for method '${this.method}'`;    return `Codex App Server protocol operation '${this.operation}' failed${method}.`;  }   static fromSchemaError(    operation: CodexAppServerProtocolParseOperation,    cause: Schema.SchemaError,    context: { readonly method?: string; readonly requestId?: string } = {},  ) {    return new CodexAppServerProtocolParseError({      operation,      ...context,      ...schemaIssueDiagnostics(cause.issue),      cause,    });  }   static fromRequestError(    operation: CodexAppServerProtocolParseOperation,    method: string,    cause: CodexAppServerRequestError,  ) {    return new CodexAppServerProtocolParseError({      operation,      method,      ...(cause.issueCount === undefined ? {} : { issueCount: cause.issueCount }),      ...(cause.issueKinds === undefined ? {} : { issueKinds: cause.issueKinds }),      ...(cause.maximumPathDepth === undefined ? {} : { maximumPathDepth: cause.maximumPathDepth }),      cause,    });  }   static fromUnroutableMessage(message: unknown) {    const diagnostics = { payloadKind: payloadKind(message) };    if (typeof message !== "object" || message === null || Array.isArray(message)) {      return new CodexAppServerProtocolParseError({        operation: "route-wire-message",        ...diagnostics,      });    }     const presentFields = protocolMessageFields.filter((field) => field in message);    const method =      "method" in message && typeof message.method === "string" ? message.method : undefined;    const requestId =      "id" in message && (typeof message.id === "string" || typeof message.id === "number")        ? String(message.id)        : undefined;    return new CodexAppServerProtocolParseError({      operation: "route-wire-message",      ...diagnostics,      presentFields,      ...(method === undefined ? {} : { method }),      ...(requestId === undefined ? {} : { requestId }),    });  }} export class CodexAppServerTransportError extends Schema.TaggedErrorClass<CodexAppServerTransportError>()(  "CodexAppServerTransportError",  {    operation: CodexAppServerTransportOperation,    pid: Schema.optionalKey(Schema.Int),    cause: Schema.Defect(),  },) {  override get message() {    return `Codex App Server transport operation '${this.operation}' failed.`;  }} export class CodexAppServerIdentifierGenerationError extends Schema.TaggedErrorClass<CodexAppServerIdentifierGenerationError>()(  "CodexAppServerIdentifierGenerationError",  {    purpose: CodexAppServerIdentifierPurpose,    cause: Schema.Defect(),  },) {  override get message() {    return `Failed to generate Codex App Server identifier for ${this.purpose}.`;  }} export class CodexAppServerInputStreamEndedError extends Schema.TaggedErrorClass<CodexAppServerInputStreamEndedError>()(  "CodexAppServerInputStreamEndedError",  {},) {  override get message() {    return "Codex App Server input stream ended.";  }} export class CodexAppServerRequestError extends Schema.TaggedErrorClass<CodexAppServerRequestError>()(  "CodexAppServerRequestError",  {    code: Schema.Number,    errorMessage: Schema.String,    data: Schema.optional(Schema.Unknown),    method: Schema.optionalKey(Schema.String),    requestId: Schema.optionalKey(Schema.String),    operation: Schema.optionalKey(CodexAppServerRequestOperation),    issueCount: Schema.optionalKey(Schema.Number),    issueKinds: Schema.optionalKey(Schema.Array(CodexAppServerSchemaIssueKind)),    maximumPathDepth: Schema.optionalKey(Schema.Number),    payloadKind: Schema.optionalKey(CodexAppServerPayloadKind),    cause: Schema.optionalKey(Schema.Defect()),  },) {  override get message() {    return this.errorMessage;  }   static fromProtocolError(    error: CodexAppServerProtocolErrorShape,    method: string,    requestId: string,  ) {    return new CodexAppServerRequestError({      code: error.code,      errorMessage: error.message,      ...(error.data !== undefined ? { data: error.data } : {}),      method,      requestId,      operation: "receive-response",      cause: error,    });  }   static fromAppServerError(error: CodexAppServerError, method: string) {    if (error._tag === "CodexAppServerRequestError") {      return error;    }    return CodexAppServerRequestError.internalError(      `Codex App Server request handler failed for method '${method}'`,      undefined,      {        method,        operation: "handle-request",        cause: error,      },    );  }   static parseError(message = "Parse error", data?: unknown) {    return new CodexAppServerRequestError({      code: -32700,      errorMessage: message,      ...(data !== undefined ? { data } : {}),    });  }   static invalidRequest(message = "Invalid request", data?: unknown) {    return new CodexAppServerRequestError({      code: -32600,      errorMessage: message,      ...(data !== undefined ? { data } : {}),    });  }   static methodNotFound(method: string) {    return new CodexAppServerRequestError({      code: -32601,      errorMessage: `Method not found: ${method}`,    });  }   static invalidParams(    message = "Invalid params",    data?: unknown,    diagnostics: CodexAppServerRequestDiagnostics = {},  ) {    return new CodexAppServerRequestError({      code: -32602,      errorMessage: message,      ...(data !== undefined ? { data } : {}),      ...diagnostics,    });  }   static invalidPayload(    method: string,    operation: "decode-payload" | "encode-payload",    cause: Schema.SchemaError,  ) {    const diagnostics = schemaIssueDiagnostics(cause.issue);    return new CodexAppServerRequestError({      code: -32602,      errorMessage: `Invalid payload for method '${method}' during '${operation}'`,      data: diagnostics,      method,      operation,      ...diagnostics,      cause,    });  }   static unexpectedPayload(    method: string,    operation: "decode-payload" | "encode-payload",    payload: unknown,  ) {    const diagnostics = { payloadKind: payloadKind(payload) };    return new CodexAppServerRequestError({      code: -32602,      errorMessage: `Method '${method}' does not accept a payload during '${operation}'`,      data: diagnostics,      method,      operation,      ...diagnostics,    });  }   static internalError(    message = "Internal error",    data?: unknown,    diagnostics: CodexAppServerRequestDiagnostics = {},  ) {    return new CodexAppServerRequestError({      code: -32603,      errorMessage: message,      ...(data !== undefined ? { data } : {}),      ...diagnostics,    });  }   static overloaded(message = "Server overloaded; retry later.", data?: unknown) {    return new CodexAppServerRequestError({      code: -32001,      errorMessage: message,      ...(data !== undefined ? { data } : {}),    });  }   toProtocolError(): CodexAppServerProtocolErrorShape {    return {      code: this.code,      message: this.errorMessage,      ...(this.data !== undefined ? { data: this.data } : {}),    };  }} export const CodexAppServerError = Schema.Union([  CodexAppServerRequestError,  CodexAppServerSpawnError,  CodexAppServerProcessExitedError,  CodexAppServerProtocolParseError,  CodexAppServerTransportError,  CodexAppServerIdentifierGenerationError,  CodexAppServerInputStreamEndedError,]); export type CodexAppServerError = typeof CodexAppServerError.Type;