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Implemented a real-time collaborative editing backend using CRDT#854

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Renu-code123 merged 3 commits intoRenu-code123:mainfrom
Ayaanshaikh12243:ISSUE-831
Mar 1, 2026
Merged

Implemented a real-time collaborative editing backend using CRDT#854
Renu-code123 merged 3 commits intoRenu-code123:mainfrom
Ayaanshaikh12243:ISSUE-831

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@Ayaanshaikh12243
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close #831
and versioned operation sync.

Highlights
Added collaborative document APIs for create, sync, delta changes, and presence.
Implemented conflict-free merge logic for concurrent text edits, field updates, and spreadsheet cell updates.
Added Socket.IO live collaboration events for join, operation broadcast, acknowledgements, and presence.
Enabled offline editing support via operation replay and since-version incremental sync.
Added Redis-based cross-instance event fan-out for low-latency horizontal scalability.
Outcome
Delivers consistent multi-user editing across devices and sessions with deterministic conflict handling, fast realtime updates, and robust offline-to-online synchronization.

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🎉 Thanks for the PR, @Ayaanshaikh12243!

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@Ayaanshaikh12243
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@Renu-code123 please merge and assign me other issues

@Ayaanshaikh12243
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@Renu-code123 same here

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expenseflow Ready Ready Preview, Comment Mar 1, 2026 0:05am

@Renu-code123 Renu-code123 merged commit 3d32526 into Renu-code123:main Mar 1, 2026
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Real-Time Collaborative Document Editing with Conflict-Free Replicated Data Types (CRDTs)

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