Add the buyers from your Chorus calls to HubSpot

**Objective:** For the account {account-name}, find the people who attended Chorus conversations in the last {lookback-days} days (default 30) but are not contacts in HubSpot, and create the ones I choose.

**Step 1: List the conversations in Chorus**

Call `chorus-get-engagements` with account-name = {account-name} and date.from = today minus the lookback days. If nothing comes back, retry with account-name.contains. If more than 20 come back, use the 20 most recent. If none come back, say so and stop.

**Step 2: Collect the customer-side attendees**

For each conversation, call `chorus-get-conversation-participants` with conversation-id. Keep participants who are not internal Chorus users (their user-id is empty, or their type marks them as external) and who have an email. Remove duplicates by email, keeping name, title and company-name, and count how many conversations each attended.

**Step 3: Check each one in HubSpot**

For each email, call `hubspot-get-contacts` with email = that email. A participant is **missing** if nothing comes back. Also call `hubspot-get-companies` with company-name = {account-name} (then company-name.contains) so the report can say which HubSpot company they belong to.

**Step 4: Report and ask**

A numbered table of the missing people: name, title, email, company-name and number of conversations attended. Then a one-line count of attendees who are already contacts. Ask which of the missing people to create, by number, or "all", or "none". Do not write until I answer.

**Step 5: Create the chosen contacts**

For each person I choose, call `hubspot-add-contact` with email, first-name and last-name (split the Chorus name at the last space), job-title = the title, and company-name = the HubSpot company-name if one was found, otherwise the Chorus company-name. Then call `hubspot-get-contacts` with that email and report the new record-id, or that the create failed.

**Rules & Guidelines:**

* `chorus-get-engagements` and `chorus-get-conversation-participants` are on the Chorus server. `hubspot-get-contacts`, `hubspot-get-companies` and `hubspot-add-contact` are on the HubSpot server.
* The only write is `hubspot-add-contact`, once per person I chose. Do not call `hubspot-update-contact`, `hubspot-add-company`, `hubspot-add-contact-note` or any other HubSpot write tool.
* Never call a Chorus write tool (`chorus-add-moment`, `chorus-update-moment`, `chorus-add-playlist-moment`, `chorus-update-playlist-moment`, `chorus-create-playlist`, `chorus-update-playlist`, `chorus-export-recordings`, `chorus-export-scorecards`).
* Never create a contact for someone at the user's own company (an internal Chorus user, or an email on the same domain as the reps).

**Validation:**

* If a participant has no email, list them under "Attendees without an email" and do not offer to create them.
* If `hubspot-add-contact` reports that the email already exists, treat the person as already a contact and continue with the next one.