feat(shell): preload shared contracts and Electron boundary #19002

Job	Run time
Resolve runner profiles	14s
Detect validation scopes	18s
Static gate	17s
Windows tools-pack payload tests	4m 54s
E2E Vitest	3m 46s
Preflight	1m 2s
Web workspace tests (2/2)	2m 43s
Daemon tests (3/4)	2m 37s
Daemon tests (2/4)	2m 46s
Playwright visual (entry-navigation)	2m 57s
Workspace unit tests	1m 25s
UI P0 (project-workspace)	3m 45s
Daemon tests (4/4)	2m 44s
Web workspace tests (1/2)	3m 51s
Playwright visual (settings-workspace)	4m 16s
Daemon tests (1/4)	3m 25s
UI P0 (entry-settings)	5m 50s
UI P0 (project-collab)	4m 1s
UI P0 (project-workspace-editor)	4m 10s
UI P0 (project-runtime)	4m 32s
UI P0 (workspace-restoration)	4m 1s
Playwright critical (${{ matrix.group }})	0s
Validate workspace	2s
Runtime summary	5s
	1h 3m 41s

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