docs: Add ProjectStatusDigest.md with automated update target

- Create comprehensive project status digest documentation
- Add make update-digest target with Claude Code prerequisite check
- Include current architecture, features, and development approach
- Document repository structure and getting started guide
- Add digest update workflow for version releases

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Makefile

@@ -1,7 +1,7 @@
 # MarkiTect - Advanced Markdown Engine
 # Makefile for common development tasks
 
-.PHONY: help setup install test build clean update status dev lint format check-deps venv-status
+.PHONY: help setup install test build clean update status dev lint format check-deps venv-status update-digest
 
 # Default target
 help:
@@ -28,6 +28,9 @@ help:
 	@echo "  status      - Show git status for repo and submodules"
 	@echo "  clean       - Clean build artifacts"
 	@echo "  check-deps  - Check dependency status"
+	@echo ""
+	@echo "Documentation:"
+	@echo "  update-digest - Update ProjectStatusDigest.md (requires Claude Code)"
 
 # Python and virtual environment setup
 PYTHON := python3
@@ -155,3 +158,19 @@ check-deps: $(VENV)/bin/activate
 	@echo ""
 	@echo "Project dependencies:"
 	$(VENV_PIP) check
+
+# Update project status digest (requires Claude Code)
+update-digest:
+	@echo "🔍 Checking for Claude Code availability..."
+	@if ! command -v claude >/dev/null 2>&1; then \
+		echo "❌ Claude Code not found in PATH"; \
+		echo "   This target requires Claude Code CLI to be installed"; \
+		echo "   Visit: https://claude.ai/code for installation instructions"; \
+		exit 1; \
+	fi
+	@echo "✅ Claude Code found"
+	@echo "📝 Updating ProjectStatusDigest.md..."
+	@echo "   Please ask Claude Code to update the project digest based on current state"
+	@echo "   Command: 'Please update ProjectStatusDigest.md with the current project state'"
+	@echo ""
+	@echo "💡 Tip: You can also manually edit ProjectStatusDigest.md if needed"