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.codex/commands/env-check.md

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+---
+description: Verify the repo-local PDFtoMD Python environment, CUDA, and Nougat CLI.
+argument-hint: [quick|full]
+allowed-tools: [Read, Bash]
+---
+
+# /env-check
+
+## Arguments
+
+The user invoked this command with: $ARGUMENTS
+
+## Workflow
+
+1. Read `AGENTS.md`, `requirements.txt`, `docs/TOOLCHAIN.md`, and `PROGRESS.md`.
+2. Run `.\venv\python.exe -m pip check`.
+3. Run a CUDA smoke test with `torch.ones((1,), device="cuda")` unless `$ARGUMENTS` says `quick`.
+4. Run `.\venv\Scripts\nougat.exe --help`.
+5. Summarize versions and failures.
+6. Do not install or upgrade packages unless the user explicitly asks.
+
+## Output
+
+- **Environment**
+- **CUDA**
+- **Nougat**
+- **Dependency Health**
+- **Action Needed**