. Add `connect-button.tsx` improvements

[DeFiVC]

What: Improve the ConnectButton component with wallet detection, network indicator, and account switcher.

Why: The current ConnectButton is basic. Users need to see which wallet is connected, what network they're on, and be able to switch accounts.

Scope: Show connected wallet name (Freighter), network indicator (testnet/mainnet), truncated address, and dropdown with: copy address, switch network, disconnect options.

Acceptance criteria:

• Wallet name is shown
• Network indicator is visible
• Address is truncated and copyable
• Dropdown has wallet actions

Technical context: src/components/wallet/connect-button.tsx — existing ConnectButton. src/store/auth-store.ts — auth state.

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[MimiCreative001]

@MimiCreative001 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Assign this to me early, so I can fix it.

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[Akpamgbo]

@Akpamgbo has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

SmartDropLabs/smartdrop-contracts#270

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Congratulations, @Akpamgbo! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

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This issue has been completed by @Akpamgbo as part of the Stellar Wave Program's 8th Wave 🥳

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