docs: QA checklist + full documentation update for Phase 3 completion

- QA-CHECKLIST.md: ~120 test items covering all Phase 3 features
- CLAUDE.md: modules table with versions, integrations (AI Chat, Vault, ManicTime)
- ROADMAP.md: status table updated (all 14 COMPLETE), Phase 5 updated
- SESSION-LOG.md: session entry for 2026-02-28
- SESSION-GUIDE.md: added QA Bug Fix prompt (4B), QA-CHECKLIST raw URL

SESSION-GUIDE.md

@@ -23,6 +23,7 @@ Replace `{GITEA}` with whichever base works for you:
 | ROADMAP.md | `{GITEA}/gitadmin/ArchiTools/raw/branch/main/ROADMAP.md` |
 | SESSION-LOG.md | `{GITEA}/gitadmin/ArchiTools/raw/branch/main/SESSION-LOG.md` |
 | SESSION-GUIDE.md | `{GITEA}/gitadmin/ArchiTools/raw/branch/main/SESSION-GUIDE.md` |
+| QA-CHECKLIST.md | `{GITEA}/gitadmin/ArchiTools/raw/branch/main/QA-CHECKLIST.md` |
 
 **Production app:** http://10.10.10.166:3000
 
@@ -111,6 +112,37 @@ Don't change anything unrelated. Update SESSION-LOG.md.
 
 ---
 
+## PROMPT 4B: QA Bug Fix Session (post-Phase 3)
+
+```
+I'm working on ArchiTools.
+Repository: https://git.beletage.ro/gitadmin/ArchiTools.git (branch: main)
+
+Read these files from the repo:
+- CLAUDE.md (project context, stack, architecture)
+- QA-CHECKLIST.md (testing checklist — look for items marked with bugs)
+- SESSION-LOG.md (previous sessions for context)
+
+Pull latest, npm install.
+
+I tested the app and found bugs. Here is my bug list:
+
+[PASTE YOUR BUG LIST HERE]
+
+For each bug:
+1. Investigate root cause
+2. Fix it
+3. Run `npx next build` — must pass
+4. Commit with descriptive message
+
+After fixing all bugs:
+- Push to main
+- Update SESSION-LOG.md with bug fix details
+- Notify me for re-testing
+```
+
+---
+
 ## PROMPT 5: Code Review (no changes)
 
 ```