Update documentation and add architectural approach document

AGENTS.md

@@ -26,7 +26,7 @@ This document tracks the various agents, tools, and systems used in the AIOS-Pub
 - mdbook-pdf (installed via Cargo)
 - Typst
 - Marp CLI
-- Markwhen: Interactive text-to-timeline tool
+- Wandmalfarbe pandoc-latex-template: Beautiful Eisvogel LaTeX template for professional PDF generation
 - Spell/Grammar checking:
   - Hunspell (with en-US dictionary)
   - Aspell (with en dictionary)
@@ -95,8 +95,9 @@ docker-compose up --build
 # Spell checking with hunspell
 ./docker-compose-wrapper.sh run docmaker-full hunspell -d en_US document.md
 
-# Create timeline with Markwhen
-./docker-compose-wrapper.sh run docmaker-full markwhen input.mw --output output.html
+# Create timeline with Markwhen (not currently available)
+# This will be enabled when Markwhen installation issue is resolved
+# ./docker-compose-wrapper.sh run docmaker-full markwhen input.mw --output output.html
 
 # Grammar/style checking with Vale
 ./docker-compose-wrapper.sh run docmaker-full vale document.md