Remove api trigger kind and mark webhook as coming soon

Drop "api" from the trigger kind dropdown and disable the "webhook"
option with a "COMING SOON" label until it's ready.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/shared/src/index.ts

@@ -164,6 +164,9 @@ export type {
   InstanceExperimentalSettings,
   InstanceSettings,
   Agent,
+  AgentAccessState,
+  AgentChainOfCommandEntry,
+  AgentDetail,
   AgentPermissions,
   AgentInstructionsBundleMode,
   AgentInstructionsFileSummary,