Architecture Decision Records

Whenever an architectural decision is made (variational vs deterministic, kNN attention vs spherical conv, frozen vs end-to-end CLIP), record it here as NNNN-short-title.md using the template below.

Template

# NNNN. <decision>

**Status:** accepted | superseded by NNNN | deprecated
**Date:** YYYY-MM-DD

## Context
What problem is this decision solving?

## Decision
What was decided?

## Consequences
What does this mean for the project? Tradeoffs?

## Alternatives considered
What was rejected, and why?

Index

• 0001 — Deterministic forecasting, not variational
• 0002 — Day-1 tokenizer implementation
• 0003 — Day-2 dataset design
• 0004 — Day-3 model architecture
• 0005 — Day-4 training loop
• 0006 — Day-5 DDP