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@@ -309,3 +309,94 @@ PM runs autonomously every 30 minutes. **No human approval needed unless blocked
 **Audience:** All Claude agents, PM, developers
 
 > **Remember:** This document is your north star. Follow it. Extend it. Improve it.
+
+---
+
+## Part 5: Git Hygiene - Keep the Repo Clean
+
+### No "Fix" Commits
+❌ **NEVER** commit fixes for typos, syntax errors, or accidentally added files:
+```bash
+# BAD - Creates noise in history:
+commit 1a2b3c: feat: add feature
+commit 1a2b3d: fix: typo in feature  ← NO!
+commit 1a2b3e: chore: remove extra file  ← NO!
+```
+
+✅ **INSTEAD:** Use interactive rebase to clean up BEFORE pushing:
+```bash
+# GOOD - Clean, single commit:
+commit 1a2b3c: feat: add feature (with typo fixed)
+```
+
+### Interactive Rebase Workflow
+
+**1. Check recent commits:**
+```bash
+git log --oneline -5
+# abc1234 feat: add feature
+# def5678 fix: typo in feature        ← Oops!
+# ghi9012 chore: remove extra file    ← Oops!
+```
+
+**2. Rebase the last 3 commits:**
+```bash
+git rebase -i HEAD~3
+```
+
+**3. Edit in your editor:**
+```
+pick abc1234 feat: add feature
+squash def5678 fix: typo in feature
+squash ghi9012 chore: remove extra file
+```
+
+Change `pick` to `squash` (or `s`) for commits you want to merge into the previous one.
+
+**4. Save and edit the commit message:**
+The editor will ask for a final commit message. Edit it to be clean:
+```
+feat: add feature
+
+- Added feature X
+- Removed extra file
+```
+
+**5. Force-push (only if not yet pushed):**
+```bash
+git push -f origin branch-name
+```
+
+### When to Rebase
+
+- ✅ **Before first push** — Fix typos, add forgotten files
+- ✅ **Before review** — Squash "work in progress" commits
+- ❌ **After pushed to shared branch** — Don't force-push to main/develop
+
+### Common Rebase Scenarios
+
+**Fix a typo in last commit:**
+```bash
+git commit --amend
+# Edit the file, save
+# Git updates the commit without a new one
+```
+
+**Reorder commits:**
+```bash
+git rebase -i HEAD~3
+# Reorder the lines in the editor
+```
+
+**Combine last 2 commits:**
+```bash
+git rebase -i HEAD~2
+# Change second line from "pick" to "squash"
+```
+
+### Rule of Thumb
+
+**One logical change = One commit**
+
+If you're writing a commit message that says "fixed typo from previous commit", you should have rebased instead.
+