[Feature] Add a visual round timeline for Rotational pools

[grantfox-oss]

Getting Started

1. Fork the repository: https://github.com/JointSave-org/Joint_Save
2. Clone your fork:

   git clone https://github.com/<your-username>/Joint_Save.git
   cd Joint_Save

3. Create a new branch:

   git checkout -b feat/rotational-round-timeline

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Overview

For a Rotational pool, the current group detail page shows the current round and the current beneficiary, but there's no way to see the whole cycle at a glance — who's already been paid, who's next, and how many rounds remain. Checked the codebase and confirmed no timeline/visualization component exists for this anywhere.

Requirements

• Add a horizontal (or vertical on mobile) timeline component to the Rotational pool's group detail page
• Each member appears as a node in the order they'll receive payout, showing: paid (with a checkmark and the round it happened), current beneficiary (highlighted), and upcoming (greyed out, with their position number)
• Clicking a past round's node could show that round's payout date and amount (reuse data already available from the activity feed where possible, rather than fetching anything new)
• Should gracefully handle a pool with the member list changed mid-cycle (via add/remove member), reflecting the current order, not the original creation-time order

Acceptance Criteria

• Timeline accurately reflects current round state for a real test pool
• Visually distinguishes paid / current / upcoming members clearly
• Responsive — works on both desktop and mobile without horizontal scroll issues
• No new on-chain calls beyond what's already fetched elsewhere on the page

[Maximum-Prosper]

Hey Maintainer.
Please I'd like to work on this, please kindly assign.

[grantfox-oss]

🦊 GrantFox — @Maximum-Prosper has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #123)
2. Your PR will be reviewed by the JointSave-org maintainers

Good luck! Track your progress on GrantFox.

[Sendi0011]

Gm @Maximum-Prosper any update regarding this issue? You’re still yet to raise a pr