refactor(backend): specta ipc bindings (#8195)

* refactor(ipc): generate bindings with Specta

* fix(profile): project IPC inputs to consumed fields

* fix(events): remove unused refresh payloads

* fix(webdav): return only consumed backup metadata

* fix(network): trim unused interface metadata

* fix(sysinfo): return only displayed system fields

* chore(knip): check generated runtime exports

* fix(proxy): confirm runtime chain updates before UI changes

* fix(clipboard): propagate proxy environment copy failures

* refactor(dns): remove ignored runtime patch

* refactor(core): trim unused upgrade response fields

* refactor(ipc): avoid redundant response copies

* refactor(proxy): clarify automatic proxy query naming

* chore(tests): remove added IPC regression tests

* refactor(ipc): enforce typed command boundaries

* chore(contract): check generated bindings before push

* refactor(ipc): remove unused proxy liveness payloads

src/components/proxy/proxy-empty-state-model.ts

@@ -5,11 +5,11 @@ export type ProxyEmptyStateReason =
   | 'no-proxy-info'
 
 type ProfileSummary = {
-  current?: string
+  current?: string | null
   items?: Array<{
-    uid?: string
-    type?: string
-  }>
+    uid?: string | null
+    type?: string | null
+  }> | null
 }
 
 interface ProxyListStateInput {
@@ -20,7 +20,7 @@ interface ProxyListStateInput {
   isRunningModePending: boolean
 }
 
-const isSubscriptionProfile = (item: { type?: string }): boolean =>
+const isSubscriptionProfile = (item: { type?: string | null }): boolean =>
   item.type === 'remote' || item.type === 'local'
 
 /** Decides only pre-render states; the built list owns whether it has renderable content. */