Sprint 22 "Wire" briefings for server, client, visual, CI, and
planning teams. Also track Godot .import and .uid files that were
previously untracked.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
SceneHelper class for gdUnit4: load scenes into test tree with
assert_node_exists, assert_signal_emitted, get_node_at helpers.
14 tests for GameState.apply_snapshot() covering v2+ fields.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>