build: add a Nix flake dev shell (#15) - #30
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Adds a self-contained flake providing a dev shell with Python 3.13, uv, and ruff, plus a committed .envrc (`use flake`) and a pinned flake.lock, per the workspace convention. The project is still installed with `uv pip install -e ".[dev]"`. Verified the flake evaluates with `nix flake show`. Refs #15
This was referenced Jun 23, 2026
…o feat/phase-7b-nix-devshell
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Summary
Adds a Nix flake dev shell per the workspace convention. Stacked on #29.
flake.nix— a self-contained dev shell with Python 3.13,uv, andruff(multi-system). The project is still installed with
uv pip install -e ".[dev]"..envrc(use flake, committed) and a pinnedflake.lock.nix develop/direnv allowas an alternative dev setup.Verified the flake evaluates with
nix flake show(all systems resolve adevShells.<system>.default). Release-process docs are a minor follow-up, so thisis Refs, not Closes.
Testing
ruff,pyright(0 errors),pytest(87 passed, 3 integration skipped) green.Stacked on #29 — review against the
feat/phase-5-ci-integrationbase.Refs #15