docs(graphify): add ActivityWatch knowledge graph visualization

- Generate AST-based knowledge graph with 404 nodes and 933 edges
- 27 communities showing code structure and relationships
- Interactive HTML visualization for exploring code architecture
- Report documenting main functional clusters

Generated with [Devin](https://cli.devin.ai/docs)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

graphify-out/cache/c1b0ad9d0a71f43d31ae8995f5adca3be5391a7244aecf7c810e139834886e45.json

@@ -0,0 +1 @@
+{"nodes": [{"id": "mnt_usb_hdd2_projects_activitywatch_russian_install_kit_awindows_20260427_211240_windows_hardening_recovery_ps1", "label": "hardening-recovery.ps1", "file_type": "code", "source_file": "/mnt/usb_hdd2/Projects/ActivityWatch-Russian/install-kit-awindows-20260427-211240/windows/hardening-recovery.ps1", "source_location": "L1"}], "edges": [], "raw_calls": []}