Adds hardening logic to the bundled-plugin-install command to detect stale path or version conditions, with comprehensive tests covering those edge cases. Also includes a minor update and test coverage for the provider-auth command.
Fusion-Task-Id: FN-3318
Merged the three-step FN-3239 feature: auto-installing the dependency graph plugin on first run across the `daemon`, `dashboard`, and `serve` commands, with the core logic centralized in `bundled-plugin-install.ts`, bundling configuration in `tsup.config.ts`, and a documentation file for the default
Fusion-Task-Id: FN-3239