Devlog

• 2026-09-20Why Local-First and On-Device SQLite: Defending Data Sovereignty in the Age of LLMsWhile most modern note-taking apps push user data to centralized clouds, we chose a pure on-device architecture powered by SQLite and local Markdown. Here is our engineering rationale for achieving millisecond bi-directional link lookups, entity graph traversals, and zero-cost privacy in an offline-first environment.
• 2026-09-24Engineering Hybrid RAG: When Semantic Vectors Meet Knowledge Graph EntitiesRelying solely on vector embeddings overlooks precise entity definitions, while simple keyword matching lacks semantic intuition. Here is how Accrue Notes implements hybrid graph-vector scoring on mobile devices, and why white-box AI reasoning is non-negotiable.
• 2026-09-26Solving Math Formula Exports: High-DPI KaTeX Rasterization and Lossless Document InjectionTraditional Markdown tools often turn LaTeX formulas into blurry pixelated images or corrupted glyphs during PDF and Word exports. Here is how we engineered a 4x supersampled vector rasterization and OpenXML structure injection pipeline on Flutter mobile.
• 2026-09-28Cognitive Sandboxes & Red Teaming: Why Your Second Brain Shouldn't Be a Sycophantic ChatbotWhy should a cognitive mirror challenge your assertions rather than just pleasing you? This post explores how we engineered mental models like First Principles and Inversion into interactive AI sparring partners.