Merged FN-3328: Refactored the droid integration by converting `droid-cli` into a lightweight compatibility shim that delegates to `fusion-plugin-droid-runtime`, reducing droid-cli by ~5,400 lines of code while moving the actual runtime logic into the plugin scaffold. Updated the plugin loader to al
Fusion-Task-Id: FN-3328
The merge delivers a new `fusion-plugin-droid-runtime` plugin providing a full MCP server and runtime adapter for droid-based agents, with event bridging, process management, tool mapping, and a prompt builder. It also adds agent delegation and org hierarchy tools to the pi extension, while fixing a
Fusion-Task-Id: FN-3332
