Keep main's one-line guards where no rule needs braces

src/run.ts

@@ -52,9 +52,7 @@ type ClaudeResult = ClaudeFailureFields &
 
 const env = (name: string): string => {
   const value = process.env[name];
-  if (value === undefined) {
-    throw new Error(`${name} is not set`);
-  }
+  if (value === undefined) throw new Error(`${name} is not set`);
   return value;
 };
 
@@ -101,9 +99,7 @@ async function postAuthorComment(body: string): Promise<void> {
 
 async function runRoot(command: string, args: string[]): Promise<void> {
   const { success, code } = await output(command, { args, env: PROCESS_ENV, clearEnv: true });
-  if (!success) {
-    throw new Error(`${command} ${args[0]} exited with ${code}`);
-  }
+  if (!success) throw new Error(`${command} ${args[0]} exited with ${code}`);
 }
 
 async function configureGitAuthor(): Promise<void> {
@@ -131,9 +127,7 @@ async function runAgentCommand(
     env: agentEnvironment(PROCESS_ENV, profile, token),
     clearEnv: true,
   }).output();
-  if (!success) {
-    throw new Error(`${command} ${args[0]} exited with ${code}`);
-  }
+  if (!success) throw new Error(`${command} ${args[0]} exited with ${code}`);
 }
 
 async function prepareProfile(profile: RuntimeProfile): Promise<void> {
@@ -361,9 +355,7 @@ async function runCodex(
       env: environment,
       clearEnv: true,
     }).output();
-    if (!loggedIn.success) {
-      await codexDeviceLogin(profile, environment);
-    }
+    if (!loggedIn.success) await codexDeviceLogin(profile, environment);
   }
   const outputPath = await makeProfileFile(profile, "result.md");
   const attempt = async (): Promise<{ status: CommandStatus; error: string }> => {
@@ -479,9 +471,7 @@ async function runProfile(profile: RuntimeProfile): Promise<AttemptResult> {
       await persistCodexAuth(stagedCodexAuth, CODEX_AUTH);
     }
   }
-  if (resultPath !== null) {
-    body = await readProfileFile(profile, resultPath);
-  }
+  if (resultPath !== null) body = await readProfileFile(profile, resultPath);
   if (body === undefined || reviewPath === undefined || anchorsPath === undefined) {
     throw new Error("agent attempt produced no result");
   }