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Shivam MishraandGitHub 9749a3dc96 feat: capture captain sessions for v2 assistant responses [CW-7485] (#14971)
Records a `Captain::Session` row for every Captain V2 assistant response
delivered in a conversation, so we can show how a response was generated
and report on credit, FAQ, and document usage. Stacked on #14970 (the
`captain_sessions` model).

## What changed

- `FaqLookupTool` now records the retrieved FAQ ids (and their backing
document ids) into the shared run state, accumulated across tool calls.
- `AgentRunnerService` exposes the raw ai-agents run result via
`last_run_result`; the `generate_response` return shape is unchanged, so
the playground path is unaffected.
- New `Captain::Assistant::SessionCaptureService` builds the session:
scenario resolved from the answering agent name, model from
`assistant.agent_model`, token usage plus the trimmed current-turn
conversation history stored in `run_context`.
- `ResponseBuilderJob` captures after delivery: `credits_consumed`
mirrors the actual charge (1.0 for a billed response, 0.0 for handoffs,
where the session points at the customer-facing handoff message).
Capture runs outside the delivery transaction and swallows its own
failures, so a logging bug can never block or roll back a customer
reply.

V1 responses and copilot are out of scope; copilot capture comes next.

## How to test

On an account with `captain_integration_v2` enabled and an inbox
connected to an assistant with approved FAQs, send a customer message on
a pending conversation. After the assistant replies, a
`Captain::Session` row should exist with the conversation as subject,
the reply message as result, the FAQs/documents used, and the run
context for that turn. Asking for a human agent should produce a
zero-credit session pointing at the handoff message.

<img width="2428" height="1058" alt="CleanShot 2026-07-15 at 17 25
40@2x"
src="https://github.com/user-attachments/assets/d8e44923-c17b-494f-8c33-c8fa4219438c"
/>
2026-07-16 18:20:44 +05:30

43 lines
1.5 KiB
Ruby

module Captain::Assistant::RunnerStateHelper
CONVERSATION_STATE_ATTRIBUTES = %i[
id display_id inbox_id contact_id status priority
label_list custom_attributes additional_attributes
].freeze
CONTACT_STATE_ATTRIBUTES = %i[
id name email phone_number identifier contact_type
custom_attributes additional_attributes
].freeze
CONTACT_INBOX_STATE_ATTRIBUTES = %i[id hmac_verified].freeze
CAMPAIGN_STATE_ATTRIBUTES = %i[id title message campaign_type description].freeze
private
def build_state
state = {
account_id: @assistant.account_id,
assistant_id: @assistant.id,
assistant_config: @assistant.config,
timezone: @conversation&.inbox&.timezone.presence || 'UTC'
}
state[:source] = @source if @source.present?
build_conversation_state(state) if @conversation
state
end
def build_conversation_state(state)
state[:conversation] = slice_attrs(@conversation, CONVERSATION_STATE_ATTRIBUTES)
state[:channel_type] = @conversation.inbox&.channel_type
state[:contact] = slice_attrs(@conversation.contact, CONTACT_STATE_ATTRIBUTES) if @conversation.contact
state[:campaign] = slice_attrs(@conversation.campaign, CAMPAIGN_STATE_ATTRIBUTES) if @conversation.campaign
state[:contact_inbox] = slice_attrs(@conversation.contact_inbox, CONTACT_INBOX_STATE_ATTRIBUTES) if @conversation.contact_inbox
end
def slice_attrs(record, keys)
record.attributes.symbolize_keys.slice(*keys)
end
end