When AgentBot responds to customer messages, the `waiting_since`
timestamp is not reset, causing inflated reply time metrics when a human
agent eventually responds. This results in inaccurate reporting that
incorrectly includes periods when customers were satisfied with bot
responses.
### Timeline from Production Data
```
Dec 12, 16:20:14 - Customer sends message (ID: 368451924)
↓ waiting_since = Dec 12, 16:20:14
Dec 12, 16:20:17 - AgentBot replies (ID: 368451960)
↓ waiting_since STILL = Dec 12, 16:20:14 ❌
↓ (Bot response doesn't clear it)
14-day gap - Customer satisfied, no messages
↓ waiting_since STILL = Dec 12, 16:20:14 ❌
Dec 26, 22:25:45 - Customer sends new message (ID: 383522275)
↓ waiting_since STILL = Dec 12, 16:20:14 ❌
↓ (New message doesn't reset it)
Dec 26-27 - More AgentBot interactions
↓ waiting_since STILL = Dec 12, 16:20:14 ❌
Dec 27, 07:36:53 - Human agent finally replies (ID: 383799517)
↓ Reply time calculated: 1,268,404 seconds
↓ = 14.7 DAYS ❌
```
## Root Cause
The core issues is in `app/models/message.rb`, where **AgentBot messages
does not clear `waiting_since`** - The `human_response?` method only
returns true for `User` senders, so bot replies never trigger the
clearing logic. This means once `waiting_since` is set, it stays set
even when customers send new messages after receiving bot responses.
The solution is to simply reset `waiting_since` **after a bot has
responded**. This ensures reply time metrics reflect actual human agent
response times, not bot-handled periods.
### What triggers the rest
This is an intentional "gotcha", that only `AgentBot` and
`Captain::Assistant` messages trigger the waiting time reset. Automation
and campaign messages maintain current behavior (no reset). This is
because interactive bot assistants provide conversational help that
might satisfy customers. Automation and campaigns are one-way
communications and shouldn't affect waiting time calculations.
## Related Work
Extends PR #11787 which fixed `waiting_since` clearing on conversation
resolution. This PR addresses the bot interaction scenario which was not
covered by that fix.
Scripts to clean data:
https://gist.github.com/scmmishra/bd133208e219d0ab52fbfdf03036c48a
Chatwoot
The modern customer support platform, an open-source alternative to Intercom, Zendesk, Salesforce Service Cloud etc.
Chatwoot is the modern, open-source, and self-hosted customer support platform designed to help businesses deliver exceptional customer support experience. Built for scale and flexibility, Chatwoot gives you full control over your customer data while providing powerful tools to manage conversations across channels.
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