feat: perform mobile architecture rediness review

Author: Stanley-Owoh

README.md

@@ -78,6 +78,7 @@ PocketPay Mobile is part of a broader PocketPay stack:
 
 React Native, Expo Router, Zustand, PocketPay SDK, SecureStore, AsyncStorage
 
+// To Start
 ## Quick Start
 
 ```bash

docs/architecture-readiness-review.md

@@ -250,7 +250,7 @@ This is a reasonable strategy — but the three pieces have drifted apart.
 This is not a cosmetic mismatch — the app depends on the *undeclared* behaviour:
 
 ```ts
-// src/utils/validation.ts:32-36 — relies on the throw, not the boolean
+// src/utils/validation.ts:32-36 — relies on the throw, and not the boolean
 try {
   validatePublicKey(trimmed);
 } catch {