refactor: strip Phase/Plan/R-number references from source comments

packages/auth/src/application/use-cases/sign-up.use-case.ts

@@ -39,12 +39,16 @@ export const signUpUseCase =
     bus: EventBusProtocol | undefined,
   ) =>
   async (input: SignUpInput): Promise<SignUpOutput> => {
-    const existingUser = await usersRepository.getUserByUsername(input.username);
+    const existingUser = await usersRepository.getUserByUsername(
+      input.username,
+    );
     if (existingUser) {
       throw new AuthenticationError("Username taken");
     }
 
-    const passwordHash = await authenticationService.hashPassword(input.password);
+    const passwordHash = await authenticationService.hashPassword(
+      input.password,
+    );
     const userId = authenticationService.generateUserId();
 
     const newUser = await usersRepository.createUser({
@@ -53,11 +57,12 @@ export const signUpUseCase =
       passwordHash,
     });
 
-    const { cookie, session } = await authenticationService.createSession(newUser);
+    const { cookie, session } =
+      await authenticationService.createSession(newUser);
 
     // Auth is username-based — synthesize a deterministic email so the event
     // payload validates against userSignedUpEventSchema.email().
-    // bus is optional: absent when core-events is not wired (Phase 3+).
+    // bus is optional: absent when core-events is not wired.
     if (bus) {
       await bus.publish(userSignedUpEvent, {
         userId: newUser.id,