fix: implement robust route check for onboarding status and HashRouter URL redirect (Resolves #217)

[Adi-Marathe]

Description:

What does this PR do?
This PR resolves an issue where a user who had already fully onboarded could manually navigate to the /onboarding route by typing it into the browser's URL bar, allowing them to re-submit their onboarding form and reset their referral code and initial scores.

How was it fixed?
This PR implements a two-part fix to address both the routing logic and the visual URL bugs:

1. Strict Route Guard: Updated the OnboardingRoute in src/routes/AppRoutes.jsx to explicitly check if userData.onboardingStatus === "complete". If a user is already fully onboarded, the guard now instantly catches this and redirects them to the /dashboard.
2. HashRouter Path Interceptor: Added a useEffect inside src/App.jsx that detects when a user manually types a path like localhost:5173/onboarding (without the hash) and forces a hard window.location.replace to properly map them to the hash route (/#/onboarding). This ensures React Router correctly processes the URL and triggers the route guards, preventing users from getting stuck with misleading URLs while viewing the Home Page or Dashboard.

Acceptance Criteria Met:

• Re-navigating to /onboarding strictly redirects fully onboarded users to /dashboard.
• Typing /onboarding manually correctly evaluates the route using the HashRouter instead of ignoring it.

Visual Proof:

RankerHub-.-Gamified-Developer-Leaderboard.1.mp4

Closes: #217

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Project	Deployment	Actions	Updated (UTC)
ranker-hub	Ready	Preview, Comment	Jun 3, 2026 1:23pm