Adds callback_query to AllowedUpdates in Telegram polling. When CEO
clicks Yes/No inline keyboard buttons:
1. Acknowledges press (removes loading spinner)
2. Updates message with 'CEO approved/rejected'
3. Routes 'CEO_DECISION: approve:xyz' as inbound to the agent
Only one workspace polls per bot token (Triage Operator) — other
workspaces with Telegram use outbound-only via direct API.
Fixed: duplicate pollers causing 'terminated by other getUpdates'
errors — removed PM/DevLead/ResearchLead Telegram channel rows
(they send outbound via direct Telegram API calls, not channel manager).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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