grid_diagnostics_contract 0.2.0

Grid-local station-lock record and bearer subprotocol contract.

0.2.0

• Breaking: the tree wire types (TreeSnapshot, TreeNode, DiagnosticsProperty, DiagnosticsLevel, ReferenceKind) moved to genesis_foundation; this package now exports only the grid-local StationLockRecord and the bearer subprotocol. Migrate wire-type imports to package:genesis_foundation.

0.1.2

• Retain only the grid-local .grid/station.lock, StationLockRecord, and grid.tree.bearer. WebSocket subprotocol contract.
• Move diagnostics tree wire-value ownership to genesis_foundation.

0.1.1

• Live tree projection: the diagnostics contract carries station tree snapshots through the station door (the_grid #113).

0.1.0

• Initial release: versioned diagnostics projection wire contract shared by reporters and cockpit consumers.