chore(mac): apply swiftformat and lint fixes

apps/macos/Tests/ClawdisIPCTests/HealthDecodeTests.swift

@@ -3,12 +3,10 @@ import Testing
 @testable import Clawdis
 
 @Suite struct HealthDecodeTests {
-    private let sampleJSON: String = {
-        // minimal but complete payload
+    private let sampleJSON: String = // minimal but complete payload
         """
         {"ts":1733622000,"durationMs":420,"web":{"linked":true,"authAgeMs":120000,"connect":{"ok":true,"status":200,"error":null,"elapsedMs":800}},"heartbeatSeconds":60,"sessions":{"path":"/tmp/sessions.json","count":1,"recent":[{"key":"abc","updatedAt":1733621900,"age":120000}]},"ipc":{"path":"/tmp/ipc.sock","exists":true}}
         """
-    }()
 
     @Test func decodesCleanJSON() async throws {
         let data = Data(sampleJSON.utf8)
@@ -20,7 +18,7 @@ import Testing
     }
 
     @Test func decodesWithLeadingNoise() async throws {
-        let noisy = "debug: something logged\n" + sampleJSON + "\ntrailer"
+        let noisy = "debug: something logged\n" + self.sampleJSON + "\ntrailer"
         let snap = decodeHealthSnapshot(from: Data(noisy.utf8))
 
         #expect(snap?.web.connect?.status == 200)