simplify

Make the change smaller and plainer while every test keeps passing.

What it does

/factory:simplify removes unneeded complexity and AI-generated slop from the current change without altering behavior. It fires when the user runs the skill or asks to simplify, clean up, deslop, or reduce the diff before review. Scope is the diff against base only. It ends by running /factory:verify.

Reads

factory.toml for base.
Every changed file in full, from the merge base to the working tree, untracked files included.

Steps

List the changed files. Read each one in full before editing.
For each file, in this order: delete dead code and stub references; drop narrating comments and defensive guards the spec does not ask for; flatten nesting with early returns; replace abstractions with one caller by the call itself; name the smells left over from the baseline and fix the ones that are judgement-free.
After every edit, run the file’s tests. Revert an edit that changes a test result.
Run /factory:verify. Fix only what it names.
When verify is green and the diff is not empty, commit as refactor(<scope>): simplify slice NN. Never amend. A red tree stays uncommitted and is reported.
Reply in one to three sentences: what was removed, what was kept and why, the verify result, and the commit.

Rules

Behavior stays identical: same outputs, errors, side effects, and order. Existing tests pass without edits. When unsure, do not make the change.
Touch only lines the change introduced. No drive-by refactors.
Prefer deletion over rewriting. Prefer a clear name over a comment.
Keep explicit code over compact code: no nested ternaries, no dense one-liners, no clever reduce chains.
Do not remove a test, an assertion, or a type to make the diff smaller.
Leave anything between simplify-ignore-start and simplify-ignore-end markers untouched.

Done when

The diff is smaller or plainer than before, every test passes unchanged, /factory:verify exited 0, and the simplification is committed.

Upstream

Wraps addyosmani-agent-skills/simplify for the five principles and one change at a time with tests after each; cursor-plugins/deslop for the slop list; the cursor-plugins/pstack subtract-before-you-add and laziness principles; and the smell baseline from mattpocock-skills/code-review.