Move doc/AP-3b.md to doc/completed/. Update AP-3b status to Done. Update concept.md if needed after AP-4a. Note: doc/AP-3b.md was already moved to doc/completed/ in PR #16. **Type:** Chore **Priority:** Low **Effort:** XS Notion: TSK-24
Move doc/AP-3b.md to doc/completed/. Update AP-3b status to Done. Update concept.md if needed after AP-4a.
Note: doc/AP-3b.md was already moved to doc/completed/ in PR #16.
Type: Chore
Priority: Low
Effort: XS
Notion: TSK-24