fix: finish channels rename sweep

apps/macos/Tests/ClawdbotIPCTests/HealthStoreStateTests.swift

@@ -3,12 +3,12 @@ import Testing
 @testable import Clawdbot
 
 @Suite struct HealthStoreStateTests {
-    @Test @MainActor func linkedProviderProbeFailureDegradesState() async throws {
+    @Test @MainActor func linkedChannelProbeFailureDegradesState() async throws {
         let snap = HealthSnapshot(
             ok: true,
             ts: 0,
             durationMs: 1,
-            providers: [
+            channels: [
                 "whatsapp": .init(
                     configured: true,
                     linked: true,
@@ -22,8 +22,8 @@ import Testing
                         webhook: nil),
                     lastProbeAt: 0),
             ],
-            providerOrder: ["whatsapp"],
-            providerLabels: ["whatsapp": "WhatsApp"],
+            channelOrder: ["whatsapp"],
+            channelLabels: ["whatsapp": "WhatsApp"],
             heartbeatSeconds: 60,
             sessions: .init(path: "/tmp/sessions.json", count: 0, recent: []))
 
@@ -34,7 +34,7 @@ import Testing
         case let .degraded(message):
             #expect(!message.isEmpty)
         default:
-            Issue.record("Expected degraded state when probe fails for linked provider")
+            Issue.record("Expected degraded state when probe fails for linked channel")
         }
 
         #expect(store.summaryLine.contains("probe degraded"))