feat: add real-time collaboration features (#634)#672
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RUKAYAT-CODER merged 2 commits intoJun 2, 2026
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- Add OtCrdtService: operational transformation (insert/delete/retain), conflict resolution with revision-based + userId tie-break - Add PresenceService: join/leave/cursor tracking per session - Add ChangeHistoryService: record, query by revision, getLatest, clear - Add CollaborationGateway: WebSocket /collaboration namespace handling join-session, collaborative-operation, request-sync, resolve-conflict - Add CollaborationModule and wire into AppModule - Add 26 unit tests across 3 spec files Closes rinafcode#634
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@Nuel-ship-it Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits. You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀 |
Contributor
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kindly fix conflict and workflow |
Contributor
Author
i have fixed the conflict and workflow thanks for the opportunity |
Contributor
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Thank you for contributing to the project. |
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Summary
Implements real-time collaborative editing as specified in issue #634.
Changes
New files in
src/collaboration/ot-crdt.service.tspresence.service.tschange-history.service.tscollaboration.gateway.ts/collaborationnamespace) — handlesjoin-session,collaborative-operation,request-sync,resolve-conflictcollaboration.module.tsModified
src/app.module.ts— importsCollaborationModuleAcceptance Criteria
OtCrdtService.transform()implements OT for insert/delete/retain opsOtCrdtService.resolveConflict()deterministically resolves concurrent opsPresenceServicetracks active users and cursor positions per sessionChangeHistoryServicerecords all operations with revision numbersTesting
eslint --max-warnings 0)Closes #634