Claim button not rendered for completed epochs (Arena + WarBow)
### @PlasticDigits
### Section
§2 TimeCurve Arena + WarBow
13. claim button on completed epochs renders, click flows through to claim tx
---
### Status
Not Available
---
### Device / Viewport
Desktop (Chrome)
---
### Wallet State
Connected wallet (0 balance)
---
### Steps to Reproduce
1. Open `/timecurve/arena`.
2. Navigate to podium / winners section.
3. Look for any completed epoch view.
4. Attempt to locate a Claim button.
5. Attempt to trigger claim flow.
---
### Expected Result
* Completed epochs should display a Claim button.
* Clicking the button should:
* Open wallet (e.g., MetaMask)
* Trigger a claim transaction
* Allow user to complete reward claim
---
### Actual Result
* No completed epoch state is visible.
* No Claim button is rendered anywhere in the UI.
* No claim transaction flow can be triggered.
---
### Notes
Claim functionality appears unavailable in the current environment.\
It is unclear whether:
* Completed epochs are not being generated, or
* Claim UI is not implemented/rendered
---
### Suggested Labels
bug, frontend, arena, warbow, wallet, feature-gap
issue