Cron: normalize cron.add inputs + align channels (#256)

* fix: harden cron add and align channels

* fix: keep cron tool id params

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Co-authored-by: Peter Steinberger <steipete@gmail.com>

apps/macos/Sources/Clawdbot/CronJobEditor.swift

@@ -323,6 +323,9 @@ struct CronJobEditor: View {
                             Text("whatsapp").tag(GatewayAgentChannel.whatsapp)
                             Text("telegram").tag(GatewayAgentChannel.telegram)
                             Text("discord").tag(GatewayAgentChannel.discord)
+                            Text("slack").tag(GatewayAgentChannel.slack)
+                            Text("signal").tag(GatewayAgentChannel.signal)
+                            Text("imessage").tag(GatewayAgentChannel.imessage)
                         }
                         .labelsHidden()
                         .pickerStyle(.segmented)

apps/macos/Sources/Clawdbot/GatewayConnection.swift

@@ -10,6 +10,9 @@ enum GatewayAgentChannel: String, Codable, CaseIterable, Sendable {
     case whatsapp
     case telegram
     case discord
+    case slack
+    case signal
+    case imessage
     case webchat
 
     init(raw: String?) {