feat: add channel async polling delay toggle

Fixes #5717
Fixes #4244

web/default/src/features/channels/lib/channel-form-errors.ts

@@ -47,6 +47,7 @@ const ADVANCED_SETTINGS_FIELDS = new Set<FieldPath<ChannelFormValues>>([
   'allow_inference_geo',
   'allow_speed',
   'claude_beta_query',
+  'disable_task_polling_sleep',
   'upstream_model_update_check_enabled',
   'upstream_model_update_auto_sync_enabled',
   'upstream_model_update_ignored_models',

web/default/src/features/channels/lib/channel-form.ts

@@ -203,6 +203,7 @@ export const channelFormSchema = z
     allow_inference_geo: z.boolean().optional(), // OpenAI/Anthropic: inference geography
     allow_speed: z.boolean().optional(), // Anthropic: speed mode control
     claude_beta_query: z.boolean().optional(), // Anthropic: beta query passthrough
+    disable_task_polling_sleep: z.boolean().optional(),
     // Upstream model update settings (stored in settings JSON)
     upstream_model_update_check_enabled: z.boolean().optional(),
     upstream_model_update_auto_sync_enabled: z.boolean().optional(),
@@ -342,6 +343,7 @@ export const CHANNEL_FORM_DEFAULT_VALUES: ChannelFormValues = {
   allow_inference_geo: false,
   allow_speed: false,
   claude_beta_query: false,
+  disable_task_polling_sleep: false,
   upstream_model_update_check_enabled: false,
   upstream_model_update_auto_sync_enabled: false,
   upstream_model_update_ignored_models: '',
@@ -397,6 +399,7 @@ export function transformChannelToFormDefaults(
   let allowInferenceGeo = false
   let allowSpeed = false
   let claudeBetaQuery = false
+  let disableTaskPollingSleep = false
   let upstreamModelUpdateCheckEnabled = false
   let upstreamModelUpdateAutoSyncEnabled = false
   let upstreamModelUpdateIgnoredModels = ''
@@ -416,6 +419,7 @@ export function transformChannelToFormDefaults(
       allowInferenceGeo = parsed.allow_inference_geo === true
       allowSpeed = parsed.allow_speed === true
       claudeBetaQuery = parsed.claude_beta_query === true
+      disableTaskPollingSleep = parsed.disable_task_polling_sleep === true
       upstreamModelUpdateCheckEnabled =
         parsed.upstream_model_update_check_enabled === true
       upstreamModelUpdateAutoSyncEnabled =
@@ -473,6 +477,7 @@ export function transformChannelToFormDefaults(
     allow_inference_geo: allowInferenceGeo,
     allow_speed: allowSpeed,
     claude_beta_query: claudeBetaQuery,
+    disable_task_polling_sleep: disableTaskPollingSleep,
     allow_safety_identifier: allowSafetyIdentifier,
     upstream_model_update_check_enabled: upstreamModelUpdateCheckEnabled,
     upstream_model_update_auto_sync_enabled: upstreamModelUpdateAutoSyncEnabled,
@@ -576,6 +581,9 @@ function buildSettingsJSON(formData: ChannelFormValues): string {
     if ('claude_beta_query' in settingsObj) delete settingsObj.claude_beta_query
   }
 
+  settingsObj.disable_task_polling_sleep =
+    formData.disable_task_polling_sleep === true
+
   // Upstream model update settings (for model-fetchable channel types)
   if (MODEL_FETCHABLE_TYPES.has(formData.type)) {
     settingsObj.upstream_model_update_check_enabled =