Xiaoha

Results 2 issues of Xiaoha

**Description** - This PR implements a complete topic modeling system split into worker core and frontend components - Implements message-level topic modeling using NMF with REPLACE strategy to prevent data...

discussion
add-feature
design

**Description** - This PR implements a comprehensive topic modeling versioning system for Augur, replacing LDA with NMF (Non-negative Matrix Factorization) and adding complete model lifecycle management, optimization, comparison, and export...

workers
database
add-feature