fix(rfox): hide WETH/FOX tab and sunset warning when no LP balance

[kaladinlight]

Description

The Arbitrum WETH/FOX rewards program has been sunset, but the rFOX dashboard still surfaced the WETH/FOX filter button and the yellow "Program Ended" warning for every user, including users who never staked LP.

This PR hides both elements unless the connected account actually has a non-zero WETH/FOX staked balance — so only users who still need to unstake/claim see the legacy program UI. Everyone else gets a cleaner FOX-only view.

Issue (if applicable)

closes #

Risk

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

Low — read-only UI change in the rFOX dashboard. No on-chain transactions or contract interaction changes. The additional useStakingInfoQuery call already exists for the FOX path; we're just running it for the LP asset to decide whether to render the legacy UI.

Testing

Engineering

1. Connect a wallet with no WETH/FOX staked balance, navigate to the FOX Token Dashboard → rFOX Staking section:
   • WETH/FOX filter pill should NOT be visible
   • Yellow "Program Ended" warning should NOT be visible
   • FOX filter pill and the rest of the dashboard should render normally
2. Connect a wallet with a non-zero WETH/FOX staked balance:
   • WETH/FOX filter pill should be visible
   • Yellow "Program Ended" warning should be visible
   • Clicking WETH/FOX should switch the view as before
3. Disconnect wallet:
   • WETH/FOX filter pill and warning should not be visible

Operations

• 🏁 My feature is behind a flag and doesn't require operations testing (yet)

QA: confirm the WETH/FOX filter button and "Program Ended" warning only appear for accounts with leftover LP staked balance on the rFOX dashboard.

Screenshots (if applicable)

Before: WETH/FOX pill + "Program Ended" banner shown for users with no LP stake.
After: Both hidden unless the account has a non-zero LP staked balance.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Refactor
  • LP staking features in the RFOX section now display conditionally based on your existing LP staking balance: the LP staking token filter and sunset warning appear only when relevant to your account.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 2074d91a-c06b-4ab1-8bfc-52011c266483

📥 Commits

Reviewing files that changed from the base of the PR and between ef2561d and c00ae66.

📒 Files selected for processing (1)

• src/pages/Fox/components/RFOXSection.tsx

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📝 Walkthrough

Walkthrough

The PR conditionally enables the LP staking token filter and sunset warning based on whether the user has an existing LP staking balance. It queries the LP staking balance via useStakingInfoQuery and gates both the asset filter and warning card visibility on that state.

Changes

LP Staking Balance Conditioning

Layer / File(s)	Summary
LP staking balance state computation src/pages/Fox/components/RFOXSection.tsx	Memoizes the staking asset account ID, queries LP staking balance using useStakingInfoQuery, computes hasLpStakingBalance, and updates the filters list to include the LP staking token option only when that balance is true.
Conditional sunset warning display src/pages/Fox/components/RFOXSection.tsx	Wraps the yellow LP sunset warning card to render conditionally based on hasLpStakingBalance, removing it from the always-visible rendering path.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

Poem

A fox with LP staking in hand,
Now sees the sunset warning grand,
But those without the balance won't—
Conditional care, the way it's meant! 🦊✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: hiding the WETH/FOX tab (LP filter) and sunset warning for users without an LP staking balance.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/rfox-hide-lp-when-no-balance

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