Back out @lib indirection in tsconfig.json (#111)

codex-cli/tests/agent-cancel.test.ts

@@ -47,7 +47,7 @@ vi.mock("openai", () => {
 });
 
 // Mock the approvals and formatCommand helpers referenced by handle‑exec‑command.
-vi.mock("@lib/approvals.js", () => {
+vi.mock("../src/approvals.js", () => {
   return {
     __esModule: true,
     alwaysApprovedCommands: new Set<string>(),
@@ -57,7 +57,7 @@ vi.mock("@lib/approvals.js", () => {
   };
 });
 
-vi.mock("@lib/format-command.js", () => {
+vi.mock("../src/format-command.js", () => {
   return {
     __esModule: true,
     formatCommandForDisplay: (cmd: Array<string>) => cmd.join(" "),