fix: wrong item name actionFn

[katopz]

Description

• Refer to [JS] agent tool calling take 23sec on dev and 507sec on prod #3004 (comment)

  [ 'actionFn', 'actionFn', 'routingAgent' ]
  [ 'actionFn', 'routingAgent' ]
  

• The fix item.name → item.__action.name

  [ 'reportAbsence', 'reportTardy', 'routingAgent' ]
  [ 'getRecentGrades', 'routingAgent' ]
  

Checklist (if applicable):

• PR title is following https://www.conventionalcommits.org/en/v1.0.0/
• Tested (manually, unit tested, etc.)
• Docs updated (updated docs or a docs bug required)