chore: cargo workspace skeleton

yolo/arr

Eleven empty crates per DESIGN.md §11, versions and lints pinned once in the
root manifest, Justfile carrying the §12 gate, nix dev shell.

The frontend steps in `just ci` no-op until web/ exists. arr-core carries one
placeholder test because `cargo nextest` fails a zero-test run, and relaxing
that would let a broken filter go green later.

Closes #1

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

This commit is contained in:

Claude

2026-08-22 19:20:47 +01:00

parent de3e77537f

commit f4e63f1ac5

28 changed files with 384 additions and 0 deletions

									
										rust-toolchain.toml
									
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				[toolchain]

				channel = "stable"

				components = ["rustfmt", "clippy"]