ALMA-memory v0.4.0

ALMA-memory v0.4.0 - Technical Debt Resolution & Phase 1 Features

🔒 Security Fixes

• CRITICAL: Replace eval() with json.loads() in graph store
• Add input validation to MCP tools

🐛 Bug Fixes

• Fix SQLite embeddings delete bug (singular→plural table names)
• Add missing Azure Cosmos confidence update methods
• Fix MemorySlice attribute access in claude_agents.py

⚡ Performance Improvements

• Add HNSW indexes for PostgreSQL vector search
• Implement lazy FAISS index rebuild in SQLite
• Add timestamp indexes to all storage backends

✨ New Features

• Memory Consolidation Engine - LLM-powered deduplication with cosine similarity clustering
• Event System - 11 event types with HMAC-SHA256 signed webhooks
• TypeScript/JavaScript SDK - Full API coverage, dual CJS/ESM build
• Multi-agent Memory Sharing - share_with/inherit_from for cross-agent retrieval
• Batch Operations - Bulk save methods for all storage backends
• Exception Hierarchy - Custom exceptions for better error handling

🏗️ Infrastructure

• CI/CD pipeline with GitHub Actions
• Python 3.10/3.11/3.12 test matrix
• 542 tests passing (440 unit + 102 integration)

📚 Documentation

• Competitive analysis vs Mem0
• System architecture documentation
• CHANGELOG, CODEOWNERS, CONTRIBUTING guides

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Full Changelog: v0.3.0...v0.4.0