Built full knowledge/jurisdiction system (knowledge.db, jurisdiction.db, SOLVE.php, COMMANDS-[decade].php x11), fixed snapshot bloat bug, built mandatory handoff standard

knowledge.db built and live at backend/knowledge/db/, community mistakes/solutions log|jurisdiction.db built and live at systems/community/jurisdiction/, ownership registry, 10 items registered|SOLVE.php built and live at systems/commands/, checks personal then community before solving fresh - fixed a ROOT path bug and a dead ternary during build|COMMANDS-[decade].php deployed to all 11 systems toolbox/ dirs - link_check, solve, log_mistake commands, auto-reports to Master|All 11 LINK-[decade].md upgraded to v2 with machine-readable CHECK blocks|Fixed SNAPSHOT.php nesting bug that caused 99MB-500MB bloat - excluded trash/ at any depth, fixed old snapshot dir exclusion|Moved canonical snapshot location to backups/snapshots/ per David correction|Built HANDOFF-STANDARD.md - mandatory explicit handoff structure all systems|Seeded Builder [02] gov/ directory which was completely missing|Rebuilt EXEC_OPEN Series H all 11 systems - mandatory report-to-Master step|Fixed SYNC.php inbox_check wrong DB bug and stale master_list MD read bug|Fixed api.php source/list_id fields lost in snapshot restore

Built full knowledge/jurisdiction system (knowledge.db, jurisdiction.db, SOLVE.php, COMMANDS-[decade].php x11), fixed sn