Consolidate docs: move design/docs files to docs folder

- Moved DESIGN-GUIDE.md → docs/30-FRONTEND/DESIGN-GUIDE.md
- Moved frontend/DESIGN_SYSTEM.md → docs/30-FRONTEND/DESIGN-TOKENS.md
- Moved IGNY8-APP.md → docs/00-SYSTEM/IGNY8-APP.md
- Moved fixes-kb.md → docs/90-REFERENCE/FIXES-KB.md
- Moved FINAL_PRELAUNCH.md → docs/plans/FINAL-PRELAUNCH.md
- Updated all references in .rules, README.md, docs/INDEX.md
- Updated ESLint plugin documentation comments
- Root folder now only contains: .rules, CHANGELOG.md, README.md

docs/plans/implemented/TODOS.md

@@ -0,0 +1,46 @@
+# IGNY8 Cleanup TODOs
+
+**Last Updated:** December 27, 2025
+
+---
+
+## 🗑️ Code Marked for Removal
+
+### SiteBuilder (Deprecated)
+
+SiteBuilder module is completely removed from the app. Any code found related to it should be cleaned up.
+
+| File/Location | Type | Status | Notes |
+|---------------|------|--------|-------|
+| *Add entries here when found* | | | |
+
+**How to identify SiteBuilder code:**
+- References to `sitebuilder`, `site_builder`, `SiteBuilder`
+- Components/pages with "SiteBuilder" in name
+- API endpoints containing `sitebuilder`
+- Models or services for building sites using IGNY8
+
+---
+
+## ⏸️ Inactive Modules (Phase 2)
+
+These modules exist but are NOT active. Do not modify unless specifically requested.
+
+| Module | Status | Planned Activation |
+|--------|--------|-------------------|
+| Linker | ⏸️ Disabled | Phase 2 |
+| Optimizer | ⏸️ Disabled | Phase 2 |
+
+---
+
+## 📝 Found Items Log
+
+*When you find deprecated code during development, add it here:*
+
+```markdown
+### [Date] - [Found By]
+- **File:** path/to/file
+- **Type:** SiteBuilder / Other
+- **Action Needed:** Remove / Refactor
+- **Notes:** Description
+```