Complete build wiring and CLI file commands

Align documented commands with the CLI, enable optional GUI/test targets, and remove committed API secrets so the project is safer to build and run.

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

.gitignore

@@ -27,3 +27,5 @@ tools/conan2/
 .vscode/
 .idea/
 *.user
+config.toml
+*.local.toml