an AgentRuntimeImpl installs plugins in a given PluginInstallScope (catalog pass 86 promotion of `pluginInstallScopes` flat list).
| from | to | to kind |
|---|---|---|
| agent-runtime-impl:claude-code.runtime@1.x | plugin-install-scope:claude-code-user | PluginInstallScope |
| agent-runtime-impl:claude-code.runtime@1.x | plugin-install-scope:claude-code-project | PluginInstallScope |
| agent-runtime-impl:claude-code.runtime@1.x | plugin-install-scope:claude-code-local | PluginInstallScope |
| agent-runtime-impl:claude-code.runtime@1.x | plugin-install-scope:claude-code-managed | PluginInstallScope |