v1.6.3: Awakening — Total Stabilization

What's Changed

Other Changes

• fix: extract DB_NAME constant, add edge case tests, improve coverage by @Cipher208 in #52
• refactor(rag): split engine.py into 3 modules, fix skylos A+ by @Cipher208 in #53
• test: add saga, middleware, embeddings, tools unit tests (+54) by @Cipher208 in #54
• test(tools): add 11 e2e tests for full tool logic path by @Cipher208 in #55
• test(tools): add full coverage for all 25 tools and 24 hooks by @Cipher208 in #56
• test(coverage): add tests for saga_crypto, read_only, migrations (+25) by @Cipher208 in #57
• refactor: rename memory_search_rrf → memory_search by @Cipher208 in #58
• docs: update CHANGELOG, README, ROADMAP for v1.3.0 by @Cipher208 in #59
• test: optimize test suite — 364→250 tests, 83% coverage by @Cipher208 in #61
• feat: memory enhancements phase 1 by @Cipher208 in #63
• Fix importance scheduler and startup timeouts by @Cipher208 in #65
• fix: add missing import for importance_scheduler by @Cipher208 in #66
• chore: fix lint errors and modernize python syntax by @Cipher208 in #67
• feat: implement Alembic migrations by @Cipher208 in #68

Full Changelog: v1.2.0...v1.6.3