macOS: fix config form rendering

apps/macos/Sources/Clawdbot/ChannelConfigForm.swift

@@ -9,14 +9,14 @@ struct ConfigSchemaForm: View {
         self.renderNode(schema, path: path)
     }
 
-    @ViewBuilder
-    private func renderNode(_ schema: ConfigSchemaNode, path: ConfigPath) -> some View {
+    private func renderNode(_ schema: ConfigSchemaNode, path: ConfigPath) -> AnyView {
         let value = store.configValue(at: path)
         let label = hintForPath(path, hints: store.configUiHints)?.label ?? schema.title
         let help = hintForPath(path, hints: store.configUiHints)?.help ?? schema.description
 
         switch schema.schemaType {
         case "object":
+            return AnyView(
                 VStack(alignment: .leading, spacing: 12) {
                     if let label {
                         Text(label)
@@ -43,24 +43,29 @@ struct ConfigSchemaForm: View {
                         self.renderAdditionalProperties(schema, path: path, value: value)
                     }
                 }
+            )
         case "array":
-            self.renderArray(schema, path: path, value: value, label: label, help: help)
+            return AnyView(self.renderArray(schema, path: path, value: value, label: label, help: help))
         case "boolean":
+            return AnyView(
                 Toggle(isOn: self.boolBinding(path)) {
                     if let label { Text(label) } else { Text("Enabled") }
                 }
                 .help(help ?? "")
+            )
         case "number", "integer":
-            self.renderNumberField(schema, path: path, label: label, help: help)
+            return AnyView(self.renderNumberField(schema, path: path, label: label, help: help))
         case "string":
-            self.renderStringField(schema, path: path, label: label, help: help)
+            return AnyView(self.renderStringField(schema, path: path, label: label, help: help))
         default:
+            return AnyView(
                 VStack(alignment: .leading, spacing: 6) {
                     if let label { Text(label).font(.callout.weight(.semibold)) }
                     Text("Unsupported field type.")
                         .font(.caption)
                         .foregroundStyle(.secondary)
                 }
+            )
         }
     }
 
@@ -171,7 +176,7 @@ struct ConfigSchemaForm: View {
         path: ConfigPath,
         value: Any?) -> some View
     {
-        guard let additionalSchema = schema.additionalProperties else { return }
+        if let additionalSchema = schema.additionalProperties {
             let dict = value as? [String: Any] ?? [:]
             let reserved = Set(schema.properties.keys)
             let extras = dict.keys.filter { !reserved.contains($0) }.sorted()
@@ -216,6 +221,7 @@ struct ConfigSchemaForm: View {
                 .controlSize(.small)
             }
         }
+    }
 
     private func stringBinding(_ path: ConfigPath) -> Binding<String> {
         Binding(

apps/macos/Sources/Clawdbot/ChannelsStore+Config.swift

@@ -65,9 +65,9 @@ extension ChannelsStore {
     }
 
     func updateConfigValue(path: ConfigPath, value: Any?) {
-        var root = self.configDraft
+        var root: Any = self.configDraft
         setValue(&root, path: path, value: value)
-        self.configDraft = root
+        self.configDraft = root as? [String: Any] ?? self.configDraft
         self.configDirty = true
     }
 
@@ -125,7 +125,7 @@ private func setValue(_ root: inout Any, path: ConfigPath, value: Any?) {
     case .index(let index):
         var array = root as? [Any] ?? []
         if index >= array.count {
-            array.append(contentsOf: repeatElement(NSNull(), count: index - array.count + 1))
+            array.append(contentsOf: repeatElement(NSNull() as Any, count: index - array.count + 1))
         }
         if path.count == 1 {
             if let value {

apps/macos/Sources/Clawdbot/DebugSettings.swift

@@ -900,7 +900,7 @@ extension DebugSettings {
     }
 }
 
-private struct PlainSettingsGroupBoxStyle: GroupBoxStyle {
+struct PlainSettingsGroupBoxStyle: GroupBoxStyle {
     func makeBody(configuration: Configuration) -> some View {
         VStack(alignment: .leading, spacing: 10) {
             configuration.label