📝 Changelog

Product Updates

Track every improvement, feature, and fix. See how hk3k evolves to better serve your knowledge management needs.

September 2025 Latest

LLM Observability & Search Optimization

🔍 September 16

  • • Implemented Weave LLM tracing for comprehensive observability
  • • Implemented intelligent internet search optimization for AI queries

✨ September 15

  • • Implemented auto-expanding input for HyperSearch with proper overflow handling
  • • Implemented stacking placeholder spinners for pending search threads
  • • Fixed Claude API attachment handling for images and documents

🚀 September 14

  • • Implemented conversation cloning feature for HyperSearch
  • • Fixed attachment handling in HyperSearch continue thread mode
  • • Added cosine_similarity method to AIVectorizing class

GreaseRails Architecture & Search Enhancements

🏗️ September 13

  • • Implemented GreaseRails unified search architecture with major refactor
  • • Implemented async background verification for search thread embeddings
  • • Added import buttons to HyperSearch with dynamic visibility
  • • Implemented hybrid keyword + semantic thread search with robust embedding creation

👥 September 12

  • • Implemented admin-based access controls across multiple pages
  • • Limited conversation imports to 100 at a time
  • • Added thread search bar to HyperSearch sidebar
  • • Implemented PostHog analytics tracking across all frontend pages
  • • Fixed feedback board sorting and added activity tracking
  • • Added admin mode to feedback board with delete and status management
  • • Added comprehensive feedback board system with user profiles

🔧 September 11

  • • Added .vercelignore file to exclude unnecessary files from deployment
  • • Added PostHog analytics integration for frontend tracking
  • • Fixed Notion sync bug: use deep copy to prevent race condition

Authentication, Data Import & API Migration

🔐 September 10

  • • Fixed Notion sync: OAuth authentication, page counting, and dual sync process
  • • Fixed authentication security and added password reset feature
  • • Fixed data reset functionality issues
  • • Added user-friendly display names for Claude models in AI search receipts
  • • Added Claude models to HyperSearch interface
  • • Implemented complete LLM API migration architecture

📊 September 8-9

  • • Implemented complete Claude data import feature
  • • Fixed ChatGPT import to display correct model names
  • • Implemented complete ChatGPT data import feature
  • • Removed numpy from requirements.txt to fix Vercel 250MB limit
  • • Added neo4j package to requirements.txt

Graph Database & Document Processing

🌐 September 7

  • • Added graph database viewer page with Chrome extension integration
  • • Enhanced graph database with comprehensive temporal tracking
  • • Fixed graph context retrieval for broad queries in AI search
  • • Fixed missing graph context in continued AI search threads
  • • Implemented comprehensive graph database integration with Neo4j Aura

📎 September 6

  • • Added Excel/XLSX support without pandas dependency - major milestone
  • • Added intelligent routing for Word and text document attachments
  • • Added intelligent CSV processing with hybrid context compression
  • • Fixed .txt file attachment processing
  • • Expanded HyperSearch to support multiple document attachments

⚡ September 5

  • • Added required operation_type to LLM logging for better debugging
  • • Used dedicated model for note updates based on eval results
  • • Fixed AI search thread tag accumulation and note updates
  • • Renamed AI Powered Search to HyperSearch
  • • Moved clear button from bottom-left to top-right in search apparatus
  • • Renamed SMI to Personalization in user-facing interfaces
  • • Fixed AI search streaming text spacing with industry-standard CSS typography

Evaluation Framework & Optimization

🧪 September 2-4

  • • Updated note generation to use v2_structured prompt (evaluation winner)
  • • Fixed encoding issues in note generation test scripts
  • • Updated Notion token validation to accept new 'ntn_' prefix format
  • • Implemented chain-of-thought tag extraction with gemini-2.5-flash-lite
  • • Added tag extraction evaluation framework with quality scoring
  • • Implemented relevance check improvements with 2-shot prompt
  • • Added tag hierarchy evaluation framework and scripts
  • • Refactored search compression to use RecursiveSummaries
  • • Optimized SMI updates with gemini-2.5-flash-lite model
  • • Added comprehensive LLM evaluation framework for summarization and SMI extraction

🔄 September 1

  • • Fixed asyncio import error and removed debug statements
  • • Cleaned up repository - removed backup files and images to fix Vercel deployment
August 2025

Notion Integration & Smart Capture

✨ August 21

  • • Added Notion Setup interface for seamless user onboarding
  • • Fixed Edit SMI button in floating interface
  • • Enhanced AI search with SMI extraction capabilities
  • • Implemented Smart Capture validation with database-only filtering

🚀 August 20

  • • Redesigned bulk capture UI to match single capture modal
  • • Added Bulk Notion Smart Capture feature
  • • Enhanced Smart Capture with metadata extraction
  • • Updated hotkey to Alt+Shift+R for better accessibility

🔧 August 18-19

  • • Redesigned AI search interface with Claude-inspired two-row layout
  • • Integrated Notion workspace data into AI search
  • • Extended token expiration to 30 days for better user experience
  • • Added Notion Data Explorer for admin workspace view

Authentication & Infrastructure

🔐 August 15-16

  • • Implemented JWT-based authentication with Supabase Auth
  • • Added Notion OAuth integration with secure state management
  • • Fixed OAuth redirects for Chrome extension compatibility
  • • Added dynamic API endpoint configuration for local/production

⚙️ August 13-14

  • • Added CORS support for Chrome extension
  • • Implemented conditional file logging for Vercel deployment
  • • Added configurable semantic chunking model
  • • Optimized semantic linking for AI search

Memory & Tag Management

🏷️ August 12

  • • Implemented Pinecone-optimized tag streamlining system
  • • Added intelligent tag merging capabilities
  • • Updated extension popup with new branding
  • • Added URL tracking and display for memories

📝 August 11

  • • Fixed tag hierarchy extraction for 551+ tags
  • • Added hierarchy breadcrumbs to notes manager
  • • Implemented memory receipt system with clickable references
  • • Replaced emoji icons with clean SVG icons

AI Search Enhancements

🤖 August 8-10

  • • Implemented multi-provider AI search with OpenAI and Google models
  • • Added chat without internet search mode
  • • Implemented AI search verbosity control
  • • Added retry logic for Gemini responses
  • • Fixed OpenAI image vision capabilities
  • • Created distribution packages for non-technical users
  • • Migrated to comprehensive token-based authentication

🎨 August 5-7

  • • Implemented competitor-inspired dual-state search interface
  • • Added multi-modal image support to AI-powered search
  • • Implemented non-blocking UI for rapid operations
  • • Added comprehensive hotkey system
  • • Enhanced citation system with [SOURCE X] format
Early August 2025

Notes Manager & UI Improvements

📚 August 3-6

  • • Implemented soft delete archive system for Notes Manager
  • • Added semantic search functionality to Notes Manager
  • • Implemented automatic tag hierarchy organization
  • • Fixed Pinecone eventual consistency issues
  • • Added comprehensive notes management with AI generation

🌙 August 2-4

  • • Added modern dark/light mode toggle across all interfaces
  • • Implemented clickable search thread titles in notes
  • • Added comprehensive search thread management
  • • Simplified Chrome extension popup to navigation-only
  • • Added pagination to AI-powered search threads
July 2025

Foundation & Core Features

🎉 Late July

  • • Added AI-Powered Topical Report feature
  • • Implemented todo management functionality
  • • Added comprehensive tagging system
  • • Enhanced memory manager with date sorting and SMI filtering

🚀 Mid July

  • • Added complete memory manager interface
  • • Implemented system message inserts UI
  • • Added keyboard shortcuts to Chrome extension
  • • Fixed vector ID algorithm with timestamp-based unique IDs

🏗️ July 17 - Initial Launch

  • • Initial commit: Hyper Knowledge project launched
  • • Combined Total Recall memory system with AI-powered search
  • • Core Chrome extension functionality
  • • Basic API infrastructure

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