fix(macos): make launchd enable idempotent

apps/macos/Tests/ClawdbotIPCTests/GatewayLaunchAgentManagerTests.swift

@@ -0,0 +1,49 @@
+import Testing
+@testable import Clawdbot
+
+@Suite struct GatewayLaunchAgentManagerTests {
+    @Test func parseLaunchctlPrintSnapshotParsesQuotedArgs() {
+        let output = """
+        service = com.clawdbot.gateway
+        program arguments = (
+            "/Applications/Clawdbot.app/Contents/Resources/Relay/clawdbot",
+            "gateway-daemon",
+            "--port",
+            "18789",
+            "--bind",
+            "loopback"
+        )
+        pid = 123
+        """
+        let snapshot = GatewayLaunchAgentManager.parseLaunchctlPrintSnapshot(output)
+        #expect(snapshot.pid == 123)
+        #expect(snapshot.port == 18789)
+        #expect(snapshot.bind == "loopback")
+        #expect(snapshot.matches(port: 18789, bind: "loopback"))
+        #expect(snapshot.matches(port: 18789, bind: "tailnet") == false)
+        #expect(snapshot.matches(port: 19999, bind: "loopback") == false)
+    }
+
+    @Test func parseLaunchctlPrintSnapshotParsesUnquotedArgs() {
+        let output = """
+        argv[] = { /usr/local/bin/clawdbot, gateway-daemon, --port, 19999, --bind, tailnet }
+        pid = 0
+        """
+        let snapshot = GatewayLaunchAgentManager.parseLaunchctlPrintSnapshot(output)
+        #expect(snapshot.pid == 0)
+        #expect(snapshot.port == 19999)
+        #expect(snapshot.bind == "tailnet")
+    }
+
+    @Test func parseLaunchctlPrintSnapshotAllowsMissingBind() {
+        let output = """
+        program arguments = ( "clawdbot", "gateway-daemon", "--port", "18789" )
+        pid = 456
+        """
+        let snapshot = GatewayLaunchAgentManager.parseLaunchctlPrintSnapshot(output)
+        #expect(snapshot.port == 18789)
+        #expect(snapshot.bind == nil)
+        #expect(snapshot.matches(port: 18789, bind: "loopback"))
+    }
+}
+