Initial commit: RA-H Open Source Edition

Local-first knowledge management system with BYO API keys.

Features:
- 3-panel UI (Nodes | Focus | Helpers)
- SQLite + sqlite-vec for vector search
- Agent system (Easy/Hard mode orchestrators)
- Content extraction (YouTube, PDF, web)
- Integrate workflow for connection discovery
- Dimension system with auto-assignment

Tech stack:
- Next.js 15 + TypeScript + Tailwind CSS
- Anthropic (Claude) + OpenAI (GPT) via Vercel AI SDK

Setup:
  npm install && npm rebuild better-sqlite3
  scripts/dev/bootstrap-local.sh
  npm run dev

MIT License

scripts/migrate/import_to_sqlite.sh

@@ -0,0 +1,115 @@
+#!/bin/bash
+# Import CSV data into SQLite database
+
+set -e  # Exit on error
+
+echo "Starting SQLite database import..."
+echo "================================"
+
+# Remove old database if exists
+if [ -f "rah_trial.db" ]; then
+    echo "Removing existing rah_trial.db..."
+    rm -f rah_trial.db
+fi
+
+# Create database with schema
+echo "Creating database with optimized schema..."
+sqlite3 rah_trial.db < scripts/migrate/sqlite_schema.sql
+
+# Import CSV files
+echo ""
+echo "Importing data from CSV files..."
+echo "--------------------------------"
+
+sqlite3 rah_trial.db <<'EOF'
+.mode csv
+.headers on
+
+-- Import nodes (handle embedded quotes/newlines)
+.print "Importing nodes..."
+.separator ","
+.import tmp/migrate/nodes.csv nodes_temp
+INSERT INTO nodes SELECT * FROM nodes_temp WHERE id != 'id';
+DROP TABLE nodes_temp;
+
+-- Import node dimensions
+.print "Importing dimensions..."
+.import tmp/migrate/node_dimensions.csv node_dimensions
+
+-- Import chunks
+.print "Importing chunks..."
+.separator ","
+.import tmp/migrate/chunks.csv chunks_temp
+INSERT INTO chunks SELECT * FROM chunks_temp WHERE id != 'id';
+DROP TABLE chunks_temp;
+
+-- Import embeddings
+.print "Importing embeddings (this may take a moment)..."
+.import tmp/migrate/chunk_embeddings.csv chunk_embeddings
+
+-- Import edges
+.print "Importing edges..."
+.import tmp/migrate/edges.csv edges
+
+-- Import chats
+.print "Importing chats..."
+.separator ","
+.import tmp/migrate/chats.csv chats_temp
+INSERT INTO chats SELECT * FROM chats_temp WHERE id != 'id';
+DROP TABLE chats_temp;
+
+-- Populate FTS indexes
+.print ""
+.print "Building full-text search indexes..."
+INSERT INTO chunks_fts(rowid, text) SELECT id, text FROM chunks;
+INSERT INTO nodes_fts(rowid, title, content) SELECT id, title, content FROM nodes;
+
+-- Run ANALYZE for query optimization
+.print "Analyzing tables for query optimization..."
+ANALYZE;
+
+-- Verify imports with counts
+.print ""
+.print "Import complete! Verifying counts:"
+.print "===================================="
+SELECT printf('Nodes:                  %d', COUNT(*)) FROM nodes;
+SELECT printf('Node dimensions:        %d', COUNT(*)) FROM node_dimensions;
+SELECT printf('Unique dimensions:      %d', COUNT(DISTINCT dimension)) FROM node_dimensions;
+SELECT printf('Chunks:                 %d', COUNT(*)) FROM chunks;
+SELECT printf('Chunks with embeddings: %d', COUNT(*)) FROM chunk_embeddings;
+SELECT printf('Edges:                  %d', COUNT(*)) FROM edges;
+SELECT printf('Chats:                  %d', COUNT(*)) FROM chats;
+SELECT printf('FTS chunks indexed:     %d', COUNT(*)) FROM chunks_fts;
+SELECT printf('FTS nodes indexed:      %d', COUNT(*)) FROM nodes_fts;
+
+-- Database statistics
+.print ""
+.print "Database Statistics:"
+.print "===================="
+SELECT printf('Database size:          %.2f MB', page_count * page_size / 1024.0 / 1024.0) FROM pragma_page_count(), pragma_page_size();
+SELECT printf('Cache size:             %.0f MB', cache_size * -1 / 1000.0) FROM pragma_cache_size();
+SELECT printf('Journal mode:           %s', journal_mode) FROM pragma_journal_mode();
+
+-- Sample data verification
+.print ""
+.print "Sample data (first 3 nodes):"
+.print "============================="
+.mode column
+.width 10 40
+SELECT id, substr(title, 1, 40) as title FROM nodes LIMIT 3;
+
+.print ""
+.print "Sample dimensions for node 5:"
+.print "=============================="
+SELECT dimension FROM node_dimensions WHERE node_id = 5 LIMIT 5;
+
+EOF
+
+echo ""
+echo "✅ SQLite database created successfully: rah_trial.db"
+echo ""
+echo "Database is ready for testing!"
+echo "Next steps:"
+echo "  1. Install sqlite-vec extension for vector search (optional)"
+echo "  2. Run performance benchmarks"
+echo "  3. Compare with PostgreSQL baseline"