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Issue #47: application-layer ProxyControlWorkflow wrapping the existing ProxyRuntimeController with a whole-published ProxyControlSnapshot (typed runtime facts, current mode, available modes, active-target facts with safe path summary, skipped-invalid-server count, HTTP export capability) and typed async commands (enable/disable/mode) that republish the full snapshot on completion. Production runtime adapter delegates to the controller without duplicating generation, health gating or system-proxy ownership; catalog target facts arrive through a narrow seam (CatalogTreeSnapshot.pathSummary) that never exposes the tree. Status menu now reads runtime state and issues proxy commands only via the workflow snapshot; catalog tree, activation and subscription actions stay on CatalogWorkflow. MainApp wires the production adapters once as composition root. No change to persistence order, failure taxonomy, mode-availability policy (#46), catalog commit sync (#40), settings (#44) or diagnostics (#43) seams. Tests: fake-adapter snapshot/command/boundary contract tests plus real-controller integration matrix (enable failures, approval, system proxy, mode persistence failure and no-op) and an integration-level status-menu model test proving the menu derives everything from the workflow. Unavailable-mode no-op and runtime-stop-failure items of the spec matrix are vacuous after ADR-0007 (no constructible unavailable ProxyMode; controller stop path has no distinct failure category).