docs: archive 4 completed project docs, update stale references

Archived to documentation/history/:
- PROJECT__AE_Firefly_Theme_Repair_SUMMARY.md (complete)
- PROJECT__AE_Pres_Mgmt_Session_view_refactor_2026-02.md (resolved 2026-02-26)
- PROJECT__AE_Access_Control_UX.md (all steps done 2026-03-11)
- PROJECT__AE_combined_front_back_Docker.md (complete 2026-03-10)

Pre-archive housekeeping:
- CLAUDE.md: removed 3 resolved active issues; replaced stale session bug doc link with Badges Task 4.0 doc
- AE__Architecture.md: corrected stale "TipTap marked for removal" note — both editors are active
- PROJECT__AE_Firefly_Theme_Repair_SUMMARY.md: added archival note re element_modal_v1 retirement

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

documentation/AE__Architecture.md

@@ -16,9 +16,8 @@ The Aether project is a Svelte and SvelteKit based application, utilizing Tailwi
     - Flowbite (Tailwind Components)
     - Custom Components (a growing library of `ae_comp__*` and `element_*` components)
 - **Text/Code Editors:**
-    - CodeMirror 6.x (primary text and code editor, planned for rich text editing)
-    - Edra (TipTap based Rich Text Editor)
-    - **Note:** ShadEditor TipTap is present but marked for removal, with CodeMirror being the preferred solution for all text editing needs.
+    - CodeMirror 6.x (`element_editor_codemirror.svelte`) — source/code editing, markdown
+    - TipTap (`element_editor_tiptap.svelte`) — WYSIWYG rich-text for content fields (IDAA, Journals, Leads notes)
 - **Icons:** Lucide Icons (SVG Icons)
 - **Markdown Parsing:** `marked` library
 - **State Management:** Svelte stores, potentially with `liveQuery` from Dexie for reactive IndexedDB interactions.

documentation/history/PROJECT__AE_Firefly_Theme_Repair_SUMMARY.md

@@ -40,3 +40,6 @@
 
 ---
 *Prepared by: Gemini CLI (March 17, 2026)*
+
+---
+*Archival note (2026-03-20): `element_modal_v1.svelte` (referenced in §2 as "new standard modal") was subsequently retired — it had zero active importers. Modal usage in the codebase relies on Flowbite `<Modal>` component. See `AE__UI_Component_Patterns.md` §11.*