Reframe sweep M7-27 + capstone (AI drives git, lesson=theory, de-slop) (#93)

Co-authored-by: claude <claude@jpaul.io>
Co-committed-by: claude <claude@jpaul.io>

modules/23-working-with-existing-codebases/lab/skills/map-this-repo.md

@@ -1,7 +1,7 @@
 # Skill: Map this repo
 
 A navigation playbook (a Module 21 skill) for orienting in a codebase you didn't write.
-Point your agentic tool at this file as a skill, or paste it in as instructions. The goal is a
+Point Claude Code (or sub your own agent) at this file as a skill, or paste it in as instructions. The goal is a
 **read-only** mental model — no edits happen here.
 
 ## When to use
@@ -11,7 +11,7 @@ At the start of any session on an unfamiliar repo, before any change is discusse
 - **Read only.** Do not edit, create, or delete files while mapping. No exceptions.
 - **Cite real paths.** Every claim about the code must point to a file and, ideally, a line range.
   If you can't cite it, say "unverified" instead of guessing.
-- **Breadth before depth.** Establish the whole shape before diving into any one area.
+- **Breadth before depth.** Establish the whole shape before going deep on any one area.
 - **No conclusions from file names alone.** A file called `auth.py` may not be where auth lives.
 
 ## Steps