Add chart timeframe selector (1m / 5m / 15m)

[josephchimebuka]

Scope

• Timeframe chips on PriceChart
• Remap mock/history series window client-side if API lacks params

Acceptance criteria

• Active timeframe visible
• Chart updates without full remount flicker when possible

Files

• src/components/PriceChart.tsx

[Imran2210]

@Imran2210 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello Maintainer, I’ve reviewed the issue and I’m confident in my ability to handle it effectively. Kindly assign it to me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Imran2210 to this issue.

[pre-cious-Igwealor]

@pre-cious-Igwealor has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

can i work on This ?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @pre-cious-Igwealor to this issue.