Add P7 Cytoscape relationship graph with setting CRUD, P9 cockpit analytics driven by writing_sessions, chapter POV selection, and full test coverage. Co-authored-by: Cursor <cursoragent@cursor.com>
Break down writing_sessions telemetry, Cytoscape graph UI, and cockpit analytics into twelve implementation tasks. Co-authored-by: Cursor <cursoragent@cursor.com>