Function executePermissionRequestHooksForSDK

src/cli/structuredIO.ts:787–859

* Execute PermissionRequest hooks and return a decision if one is made. * Returns undefined if no hook made a decision.

(
  toolName: string,
  toolUseID: string,
  input: Record<string, unknown>,
  toolUseContext: ToolUseContext,
  suggestions: PermissionUpdate[] | undefined,
)

 * Returns undefined if no hook made a decision.
 */
async function executePermissionRequestHooksForSDK(
  toolName: string,
  toolUseID: string,
  input: Record<string, unknown>,
  toolUseContext: ToolUseContext,
  suggestions: PermissionUpdate[] | undefined,
): Promise<PermissionDecision | undefined> {
  const appState = toolUseContext.getAppState()
  const permissionMode = appState.toolPermissionContext.mode

  // Iterate directly over the generator instead of using `all`
  const hookGenerator = executePermissionRequestHooks(
    toolName,
    toolUseID,
    input,
    toolUseContext,
    permissionMode,
    suggestions,
    toolUseContext.abortController.signal,
  )

  for await (const hookResult of hookGenerator) {
    if (
      hookResult.permissionRequestResult &&
      (hookResult.permissionRequestResult.behavior === 'allow' ||
        hookResult.permissionRequestResult.behavior === 'deny')
    ) {
      const decision = hookResult.permissionRequestResult
      if (decision.behavior === 'allow') {
        const finalInput = decision.updatedInput || input

        // Apply permission updates if provided by hook ("always allow")
        const permissionUpdates = decision.updatedPermissions ?? []
        if (permissionUpdates.length > 0) {
          persistPermissionUpdates(permissionUpdates)
          const currentAppState = toolUseContext.getAppState()
          const updatedContext = applyPermissionUpdates(
            currentAppState.toolPermissionContext,
            permissionUpdates,
          )
          // Update permission context via setAppState
          toolUseContext.setAppState(prev => {
            if (prev.toolPermissionContext === updatedContext) return prev
            return { ...prev, toolPermissionContext: updatedContext }
          })
        }

        return {
          behavior: 'allow',
          updatedInput: finalInput,
          userModified: false,
          decisionReason: {
            type: 'hook',
            hookName: 'PermissionRequest',
          },
        }
      } else {
        // Hook denied the permission