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📡 Issue #43 — Implement Offline Mode Support (Low Internet Optimization) #72

@vic-Gray

Description

@vic-Gray

Harvest Finance will support offline functionality to ensure farmers can continue using key features even with poor or no internet connection. Contributors will implement offline capabilities such as caching data and syncing updates when the connection is restored.

This feature is critical for users in rural and low-connectivity areas, making the platform more reliable and accessible.

Objectives

Enable core features to work offline

Sync user data automatically when internet is restored

Improve accessibility for farmers in low-network regions

Enhance overall user experience and reliability

Requirements
1️⃣ Offline Capabilities

Allow offline access to:

Dashboard overview (cached data)

Vault balance and recent transactions

Achievements and milestones

2️⃣ Data Caching

Cache important data locally on the device

Use strategies like:

LocalStorage / IndexedDB

Service Workers

3️⃣ Sync Mechanism

Automatically sync:

Deposits (queued)

User actions

Handle conflicts when reconnecting

4️⃣ UI / UX

Show offline status indicator

Notify users when:

They are offline

Data is syncing

Smooth transition between offline and online states

Technical Suggestions

Frontend: React / Next.js

Use:

Service Workers (PWA support)

IndexedDB for storage

Backend: NestJS (handle sync endpoints)

Expected Outcome

Users can access key features without internet

Data syncs automatically when connection is restored

Platform remains usable in low-connectivity environments

Acceptance Criteria

Core dashboard data is available offline

Offline actions sync correctly when online

UI clearly indicates offline/online status

No data loss during sync process

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