Fix/dongle system upgrades

[orunganiekan]

Description

This PR delivers a complete, client-side, wallet-scoped bookmarking and project preservation engine to the HubDApp/Dongle-frontend repository.

Scope of Changes

1. Wallet-Keyed State Storage (useSavedProjects.ts)

• Implementation: Engineered a localized state layer that automatically scopes saved project identifiers to the user's active wallet address.
• Sync Architecture: Utilizes a lightweight browser event channel combined with localStorage hooks to ensure instantaneous bookmark status synchronization across detached layout trees without inducing server-side roundtrip latency.

2. Project Card & Detailed View Binds (ProjectCard.tsx, dongle/app/projects/[id]/page.tsx)

• UX Integration: Embedded interactive bookmark triggers directly onto the main discovery ProjectCard tiles and inside the isolated project details panel view layer.
• State Integrity: Safely inherits active wallet-gating parameters to guarantee that unauthenticated visitors are prompted to connect their wallets before modifying bookmark state rules.

3. Profile Persistence Hub (page.tsx)

• Features: Appended a dedicated "Saved Projects" dashboard segment directly to the authenticated user's profile view.
• Behavior: Dynamically reflects real-time un-bookmark actions natively inside the grid layout, preserving seamless navigation entry points for bookmarked initiatives.

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Verification & Repository Alignment Summary

• Lint & Syntax Quality: Audited and resolved redundant imports, ensuring strict TypeScript compliance and clean type signatures across all modified files.
• Scope Restriction: Smart contract deployment criteria (#243, #259, #217) were verified as decoupled backend/infrastructure parameters and have been omitted from this frontend-specific UI iteration.
• Git Reconciliation: Successfully completed the required 4-commit sequence and pushed the branch cleanly to the upstream origin repository.

Closes #139

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