Chatwoot AI translation implementation

Date: 2026-08-21

EKSRelay endpoints

Browser/operator-facing endpoints are separate from Flowise tool endpoints and admin endpoints:

GET  /chatwoot-ai-tools.js
POST /agent-tools/translate-message
POST /agent-tools/translate-draft

Auth:

Authorization: Bearer <AGENT_UI_TOKEN>

AGENT_UI_TOKEN is intentionally separate from ADMIN_TOKEN; do not use the full admin/ops token in daily operator UI.

CORS allows CHATWOOT_BASE_URL automatically and optional extra origins from:

AGENT_UI_ALLOWED_ORIGINS

Translation flow

A separate Flowise chatflow was created:

name: EK Agent UI Translation
id: 47ea6bda-1be4-4c11-96f6-ea0187ea8a75
predict URL: https://botek.easyklima.com/api/v1/prediction/47ea6bda-1be4-4c11-96f6-ea0187ea8a75

Smoke test returned:

Hello, when will my order #123 arrive?
→ Witam, kiedy dotrze moje zamówienie nr 123?

Production EKSRelay should set:

FLOWISE_TRANSLATION_PREDICT_URL=https://botek.easyklima.com/api/v1/prediction/47ea6bda-1be4-4c11-96f6-ea0187ea8a75
AGENT_UI_TOKEN=<separate operator token>

JS overlay/injection asset

EKSRelay serves:

<script src="https://eks-relay.easyklima.com/chatwoot-ai-tools.js" defer></script>

The script:

adds a floating AI tłumacz panel in Chatwoot,
stores only the operator UI token in browser localStorage,
lets the operator translate selected/pasted message text,
lets the operator translate a draft to the customer language,
attempts to add small inline AI→PL buttons to detected message bubbles,
never sends automatically to the customer; result is shown/copied only.

Payload examples

Message translation:

{
  "conversationId": 1604,
  "messageId": "12345",
  "targetLanguage": "pl",
  "sourceLanguage": "auto",
  "sourceText": "Hello, when will my order arrive?"
}

Draft translation:

{
  "conversationId": 1604,
  "targetLanguage": "de",
  "draftText": "Dzień dobry, proszę podać numer zamówienia."
}

Persistence/cache

Translations are cached in EKSRelay SQLite table TranslationCache, keyed by:

sha256(sourceText.trim()) + targetLanguage

The raw source text is not stored as a lookup key. The translated text is stored so repeated operator requests do not call Flowise/OpenAI again.

Injection options still pending

The JS is ready and served by EKSRelay. To make it appear automatically in Chatwoot, use one of:

reverse-proxy HTML injection sidecar, or
minimal Chatwoot custom image / host-mounted layout override that adds the script tag.

For production, prefer reverse-proxy injection or a documented minimal override instead of editing files inside the running Chatwoot container.

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