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The CLI reads RAPIDREVIEW_KEY, NISA_API_URL, and ~/.nisa/. The Python SDK reads RAPIDREVIEW_API_KEY, RAPIDREVIEW_API_URL, and ~/.rapidreview/. Different variables, different directories.

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Files

An old ~/.papyrus/ is moved to ~/.nisa/ once, on first run.

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Environment variables

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Precedence

Credential: RAPIDREVIEW_KEY → api_key in credentials.json → OAuth token in credentials.json (auto-refreshed). Every request sends Authorization: Bearer <credential>. nisa doctor --json reports the winner as auth.source (RAPIDREVIEW_KEY · stored_api_key · oauth_credentials · none). One consequence: while a key wins, nisa keys … answers 403 API key management requires browser login. API URL: --api-url (before the subcommand) → NISA_API_URL → config.json → default.

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nisa doctor --json

ok, version, platform{os,arch,target}, install{current_exe,install_dir_on_path}, backend{api_url}, config{config_dir,config_dir_writable,credentials_file,credentials_file_exists}, auth{usable,source,rapidreview_key_set,stored_api_key_present,oauth_credentials_present,legacy_papyrus_api_key_set}, fixes[]. Never prints secrets.

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Install and upgrade

macOS arm64/x86_64, Linux x86_64/arm64 (static musl); no Windows. The installer verifies a SHA-256 checksum, self-tests nisa --version, and prints a PATH hint if needed. Fallback URL if api.rapidreview.io/cli/* is unreachable: https://storage.googleapis.com/rr_cli_releases/install.sh. nisa upgrade re-runs the installer in place (--check exits 1 if newer exists). nisa logout deletes the local file only — revoke keys with nisa keys revoke <id>.