FLIN

The language that replaces 47 technologies

A compiled, full-stack programming language built from scratch in Rust. One syntax for frontend, backend, database, and tooling. 3,200+ tests. 180 embedded UI components. Zero npm dependencies.

Rust 3,200+ tests 186K+ lines 280+ sessions

Building FLIN

Thales & Claude flin

#151 -- Database Persistence Audit

Auditing the database persistence layer -- data integrity, recovery, and edge cases.

8 min Mar 26, 2026
flinauditdatabasepersistence +1
Thales & Claude flin

#152 -- 3,452 Tests, Zero Failures

How we built and maintained a test suite of 3,452 tests with zero failures across the entire FLIN codebase.

8 min Mar 26, 2026
flintestingtest-suitequality +1
Thales & Claude flin

#137 -- The Admin Console Dashboard

How we designed and built the admin console dashboard with real-time stats and entity overview.

7 min Mar 26, 2026
flinadmindashboardui +1
Thales & Claude flin

#138 -- Entity Browser and CRUD Operations

A phpMyAdmin-style entity browser with full CRUD operations, filtering, and pagination.

8 min Mar 26, 2026
flinentity-browsercrudadmin +1
Thales & Claude flin

#139 -- Admin Login and Authentication

How FLIN admin console handles authentication with session-based login and role-based access control.

7 min Mar 26, 2026
flinadminauthenticationlogin +1
Thales & Claude flin

#141 -- Sidebar Navigation: A Small Fix That Changed Everything

How a small sidebar navigation bug in the admin console led to rethinking the entire UX.

7 min Mar 26, 2026
flinadminuxnavigation +2
Thales & Claude flin

#142 -- Entity Management Enhancements

UI improvements to the entity management interface -- inline editing, bulk operations, and field type indicators.

7 min Mar 26, 2026
flinadminentity-managementui +1
Thales & Claude flin

#143 -- Storage and Database Admin Views

Admin panels for managing file storage backends and database configuration.

8 min Mar 26, 2026
flinadminstoragedatabase +1
Thales & Claude flin

#144 -- Entity History and Temporal Views in Admin

How the admin console visualizes entity version history and temporal data.

8 min Mar 26, 2026
flinadmintemporalentity-history +1
Thales & Claude flin

#145 -- Console UI/UX Final Polish

The final UI/UX polish pass on the FLIN admin console in Sessions 300-301.

9 min Mar 26, 2026
flinadminuiux +2
Thales & Claude flin

#146 -- Auditing 186,000 Lines of Code

How we audited every line of the FLIN codebase -- 186,000 lines of Rust across 105 source files.

8 min Mar 26, 2026
flinauditcode-qualityrust +1
Thales & Claude flin

#166 -- The Entity .get() Method Bug

When .get() returned stale data from the entity cache instead of fresh database results.

7 min Mar 26, 2026
flinbugentityget +2