Epic 6.4: DX Polish - CLI help, preflight checks, error UX#53
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- Extract _build_arg_parser() with rich --help: epilog with examples, env var docs, --version flag, RawDescriptionHelpFormatter - Add openspace/deploy/preflight.py: PreflightIssue, check_python_version, check_bearer_token, check_skill_store, check_port_available, format_report - Wire preflight_check() into run_mcp_server() before server start - Preflight catches: missing bearer token, bad skill store, port in use - All errors include actionable suggestions (commands to run) - 28 new DX tests, 1953 total passed - Bump server.py size guard from 310 to 410 (CLI help + preflight growth) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
🔒 Phase Gate Enforcement — 🚫 FAIL
Verdict: FAIL
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…sibility, platform-aware suggestions Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Deepfreezechill
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Apr 7, 2026
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Epic 6.4: DX Polish
CLI help: Rich --help with examples, env var docs, --version flag
Preflight checks: Validates environment before server start (bearer token, skill store, port, Python version)
Error UX: All errors include actionable suggestions
Metrics: 28 new tests (1953 total), 4 files changed