newMDX-based blog and documentation content layer
newPhysics unit test suite (76 tests — spring, structural, Taylor)
newSemantic search API with physics concept knowledge graph
newSpring Oscillator Lab: real-time requestAnimationFrame physics loop with damping
newStructural Analysis Lab: animated deformation with stress colour gradient
newTaylor Series Lab: interactive convergence graph with exact vs approximation overlay
improvedHomepage converted to Server Component — faster initial load
improvedKaTeX formula rendering via MathFormula component
fixedFeedback API now persists to data/feedback.json
fixedLabsStore initial state — no longer empty before hydration