Timer entries use POST /tickets/{id}/timer_entry with labor product IDs
(not invoice products). "Make Invoice" converts timers to invoice.
Documented 7 common labor products with IDs. Fixed line_items path to
/invoices/{id}/line_items.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Create, update, close, comment on, search, and bill tickets via Syncro
REST API. Includes customer search, invoice creation, line items, and
ticket timer management. API key from SOPS vault.
Verified: pulls real ticket data from computerguru.syncromsp.com.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
