ea14a1a346
Use the plugin session directory instead of process.cwd() when resolving project slash commands. This restores project and opencode-project slashcommand behavior when the runtime cwd differs from the actual session workspace. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>