Initial commit: Theriapolis baseline at port/godot branch point

Captures the pre-Godot-port state of the codebase. This is the rollback
anchor for the Godot port (M0 of theriapolis-rpg-implementation-plan-godot-port.md).
All Phase 0 through Phase 6.5 work is included; Phase 7 is in flight.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,39 @@
+# .NET build output
+bin/
+obj/
+*.user
+*.suo
+.vs/
+
+# Rider / JetBrains
+.idea/
+
+# VS Code
+.vscode/
+
+# Godot editor cache (do not commit — regenerated per machine).
+# NOTE: per-asset *.import files MUST be committed; only the binary
+# cache under .godot/imported/ is machine-local. The .godot/ rule
+# already covers that.
+.godot/
+
+# Godot exports
+/export/
+export.cfg
+export_presets.cfg
+
+# OS
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# Claude Code — share project settings, ignore local + transcripts
+.claude/settings.local.json
+.claude/projects/
+.claude/shell-snapshots/
+.claude/todos/
+.claude/statsig/
+
+# Misc runtime artefacts
+*.log
+*.tmp