v1.4.9.5

## Important Notes
* 🚀 PostgreSQL migration performance problem for large dataset in v1.4.9.4
* 🛑 Introduces a graceful pipeline cancellation mechanism for document processing operations

<img width="500" alt="iShot_2025-10-25_10 28 49" src="https://github.com/user-attachments/assets/150ea6ad-20a0-491d-9397-66e1d60984a5" />

* ✏️ Enable entity merging when renaming an entity to a target entity that already exists.

<img width="631" height="403" alt="iShot_2025-10-29_01 51 39" src="https://github.com/user-attachments/assets/93ed9a17-0fb2-4893-b447-4e5f9c851c0a" />

## What's New
* Feat: Add Pipeline Cancellation Feature with Enhanced Reliability by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2258
* Allow users to provide keywords with QueryRequest by @Mobious in https://github.com/HKUDS/LightRAG/pull/2253
* Refact: Add offline Swagger UI support with custom static file serving by @danielaskdd in 
* Refactor: Enhanced Entity Merging with Chunk Tracking by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2266

## What's Fixed
* Fix: PostgreSQL Data Migration Performance Problem by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2259
* Fix: Ensure Storage Consistency When Creating Implicit Nodes from Relationships by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2262
* Refactor: Enhance KG Editing with Chunk Tracking by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2265
https://github.com/HKUDS/LightRAG/pull/2273
* Update redis requirement from <7.0.0,>=5.0.0 to >=5.0.0,<8.0.0 by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/2272
* Fix Entity Source IDs Tracking ProblemDuring Relationship Processing by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2279

## New Contributors
* @Mobious made their first contribution in https://github.com/HKUDS/LightRAG/pull/2253

**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.4.9.4...v1.4.9.5