RESOURCE_NODE_MIGRATION.md:
- Add progress overview table with per-phase completion status
- Document key divergences from original plan (zone fallback removal,
navigation_failed signal, stale-path prevention, duplicate detection)
- Add bug log table (11 bugs found and fixed during implementation)
- Mark completed phases 1-3 with checkmarks
- Split phase 4 into 4a (wood, done) and 4b (player parity, not started)
- Replace flat implementation order with checkable table
- Update definition-of-done with per-criterion status
PROJECT_CONTEXT.md:
- Advance snapshot commit reference from e30d208 to b8752f8
- Note that gather_food/gather_wood now use ResourceNode instances
- Explain zone marker status (player use only, NPCs use nodes)
- Update runtime flow diagram with navigation_failed pathway
- Add resource_nodes/ to repository map
- Update technical debt entries to reflect current state