Blog
All articles. All pillars. All authors.
#085 -- Design Tokens and Theming System
How FlinUI's design token system provides 50+ tokens for colors, spacing, typography, and shadows -- enabling consistent theming and dark mode across 365+ components.
#126 -- File Storage With 4 Backends
How FLIN provides unified file storage across local filesystem, Amazon S3, Cloudflare R2, and Google Cloud Storage -- all with zero configuration.
#122 -- Code-Aware Chunking for RAG
How FLIN's chunk_text() function splits documents into embedding-appropriate segments while respecting paragraph boundaries, code blocks, headings, and semantic coherence.
#130 -- Text Chunking Strategies
How FLIN splits documents into semantically meaningful chunks for embedding and retrieval.
#133 -- Semantic Auto-Conversion
How FLIN automatically converts between file formats using semantic understanding of content structure.
#077 -- Introspection and Reflection at Runtime
How FLIN's introspection system lets programs examine their own types, fields, and structures at runtime -- enabling dynamic forms, serialization, and debugging without sacrificing type safety.
Background Jobs: When AI Takes 30 Minutes to Think
Queue-bridged architecture with detached asyncio tasks, Redis progress tracking, cooperative cancellation, and stale job cleanup for long-running AI generation.
#102 -- Guards: Declarative Security for Routes
How FLIN's guard system provides declarative, composable access control for routes -- auth, roles, rate limiting, CSRF, IP whitelists, and time-based access in single-line declarations.
#148 -- 30 TODOs, 5 Production Panics, 0 Security Issues
The audit results: 30 TODO markers, 5 production panic calls, and zero security vulnerabilities.
#149 -- The Audit Fix Plan
The systematic plan to address every finding from the FLIN codebase audit.
#037 -- Destructuring Everywhere
How we implemented destructuring in FLIN -- array, entity, and nested destructuring with rest patterns, default values, and the stub-first approach that kept the compiler healthy.
#020 -- The Complete Compilation Pipeline, End to End
FLIN's complete compilation pipeline: six phases from source code to running application, explained end to end.