RokuLab 0.1.0-alpha.7

Experimental full BrightScript and SceneGraph execution through brs-engine 2.3.0 and brs-scenegraph 0.3.0. Adds secure channel archiving, real 1080p canvas rendering, Run/Stop controls, remote input, engine console events, and packaged-runtime smoke coverage. Roadmap 0.2 remains open for the live Inspector bridge, safe runtime hot reload, and recorded IEDB navigation-flow evidence. Windows x64 portable is unsigned. SHA-256: 4B4E73AAEFE8B9FCC27E63BDCBA2884F2DFC94F37D7F22545D969ED47EBBCFB3