De-slop: remove every em-dash + banned words across all modules + capstone (#94)

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

modules/24-assistive-agents/lab/reviewer.py

@@ -1,15 +1,15 @@
-"""Assistive AI reviewer — local simulation of a PR-reviewer bot.
+"""Assistive AI reviewer: local simulation of a PR-reviewer bot.
 
 This stands in for a forge-native reviewer (an app/bot triggered when a PR opens, running on a
 runner from Module 19) without needing any hosted account. It does the two deterministic halves of
-the job and leaves the one judgment call — what actually happens to the PR — to you.
+the job and leaves the one judgment call (what actually happens to the PR) to you.
 
     python reviewer.py prompt              # assemble the prompt: rubric + diff, for the agent to review
     python reviewer.py apply ai-review.sample.json   # ingest the agent's JSON, render it, gate it
 
 The point of this module: the agent produces comments and a recommendation. It never approves,
 never requests-changes-as-a-gate, never merges. The `apply` step ends at a HUMAN DECISION, every
-time. Stdlib only — no pip install.
+time. Stdlib only, no pip install.
 """
 
 import argparse
@@ -68,7 +68,7 @@ def cmd_apply(args: argparse.Namespace) -> int:
     comments = review.get("comments", [])
 
     print("=" * 70)
-    print("AI REVIEWER — first pass (advisory only)")
+    print("AI REVIEWER: first pass (advisory only)")
     print("=" * 70)
     print(f"\nSummary: {summary}\n")