[JacobStephens2]

Summary

 thirdshift help
- 353 lines of commands, settings and workflow details
+ 45 lines of commands and shared options
+ README link for detailed guidance

Preserve command forms, option context, configuration precedence and argument-error handling. Replace tests that require detailed workflow prose with compact-reference checks.

Closes #189

Evidence

• Before: main's help constant contains 353 lines.
  After: the compact reference contains 45 lines and retains commands, shared options and the README link.
• cargo fmt --check, cargo check --all-targets, and cargo clippy --all-targets -- -D warnings passed.
• cargo test --test command_surface: 20 passed.
• SYSTEMD_UNIT_PATH=/usr/lib/systemd/system cargo test --no-fail-fast: 1,652 passed, 0 failed, 1 intentionally ignored latency probe across 41 test binaries.

Validation uses the pinned Rust 1.99.0 toolchain in an isolated RUSTUP_HOME. Systemd verification uses SYSTEMD_UNIT_PATH=/usr/lib/systemd/system: the initial run loaded an unrelated host service with an invalid RequiredBy entry; the focused deploy-unit test passes with the isolated search path.

Test seams

• CLI invocation: help and its aliases, stdout/stderr, exit codes, argument errors, and external-command calls through the existing Scenario harness.

Review

• Standards: 0 findings. All four changed files read.
• Spec: 0 findings. All four changed files read.
• Changed files left unread by review: none.
• Builds on the existing issue-189 commits, reviewed against main (d251d5e0063c338df9e5bcd0c29f83d709d3663b).

Unaddressed findings

• Standards: none.
• Spec: none.

Merge Danger

Door: two-way

Help text, documentation and test changes can be reverted.

Blast Radius: CLI

Help output and the reference printed for invalid arguments become shorter.

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