Add offer workflow with Terminus and graph sync

2025-12-30 10:33:17 +07:00
parent 73da622143
commit 805a05a86d
22 changed files with 956 additions and 66 deletions
--- a/backends/exchange/exchange/schemas/m2m_schema.py
+++ b/backends/exchange/exchange/schemas/m2m_schema.py
@@ -0,0 +1,127 @@
+"""
+M2M (Machine-to-Machine) GraphQL schema for Exchange.
+Used by internal services (Temporal workflows, etc.) without user authentication.
+"""
+import graphene
+import logging
+from graphene_django import DjangoObjectType
+from offers.models import Offer
+
+logger = logging.getLogger(__name__)
+
+
+class OfferType(DjangoObjectType):
+    class Meta:
+        model = Offer
+        fields = "__all__"
+
+
+class M2MQuery(graphene.ObjectType):
+    offer = graphene.Field(OfferType, offerUuid=graphene.String(required=True))
+
+    def resolve_offer(self, info, offerUuid):
+        try:
+            return Offer.objects.get(uuid=offerUuid)
+        except Offer.DoesNotExist:
+            return None
+
+
+class CreateOfferFromWorkflowInput(graphene.InputObjectType):
+    offerUuid = graphene.String(required=True)
+    teamUuid = graphene.String(required=True)
+    productUuid = graphene.String(required=True)
+    productName = graphene.String(required=True)
+    categoryName = graphene.String()
+    locationUuid = graphene.String()
+    locationName = graphene.String()
+    locationCountry = graphene.String()
+    locationCountryCode = graphene.String()
+    locationLatitude = graphene.Float()
+    locationLongitude = graphene.Float()
+    quantity = graphene.Decimal(required=True)
+    unit = graphene.String()
+    pricePerUnit = graphene.Decimal()
+    currency = graphene.String()
+    description = graphene.String()
+    validUntil = graphene.Date()
+    terminusSchemaId = graphene.String()
+    terminusDocumentId = graphene.String()
+
+
+class CreateOfferFromWorkflow(graphene.Mutation):
+    class Arguments:
+        input = CreateOfferFromWorkflowInput(required=True)
+
+    success = graphene.Boolean()
+    message = graphene.String()
+    offer = graphene.Field(OfferType)
+
+    def mutate(self, info, input):
+        try:
+            offer = Offer.objects.filter(uuid=input.offerUuid).first()
+            if offer:
+                logger.info("Offer %s already exists, returning existing", input.offerUuid)
+                return CreateOfferFromWorkflow(success=True, message="Offer exists", offer=offer)
+
+            offer = Offer.objects.create(
+                uuid=input.offerUuid,
+                team_uuid=input.teamUuid,
+                product_uuid=input.productUuid,
+                product_name=input.productName,
+                category_name=input.categoryName or '',
+                location_uuid=input.locationUuid or '',
+                location_name=input.locationName or '',
+                location_country=input.locationCountry or '',
+                location_country_code=input.locationCountryCode or '',
+                location_latitude=input.locationLatitude,
+                location_longitude=input.locationLongitude,
+                quantity=input.quantity,
+                unit=input.unit or 'ton',
+                price_per_unit=input.pricePerUnit,
+                currency=input.currency or 'USD',
+                description=input.description or '',
+                valid_until=input.validUntil,
+                terminus_schema_id=input.terminusSchemaId or '',
+                terminus_document_id=input.terminusDocumentId or '',
+                workflow_status='pending',
+            )
+            logger.info("Created offer %s via workflow", offer.uuid)
+            return CreateOfferFromWorkflow(success=True, message="Offer created", offer=offer)
+        except Exception as exc:
+            logger.exception("Failed to create offer %s", input.offerUuid)
+            return CreateOfferFromWorkflow(success=False, message=str(exc), offer=None)
+
+
+class UpdateOfferWorkflowStatusInput(graphene.InputObjectType):
+    offerUuid = graphene.String(required=True)
+    status = graphene.String(required=True)  # pending | active | error
+    errorMessage = graphene.String()
+
+
+class UpdateOfferWorkflowStatus(graphene.Mutation):
+    class Arguments:
+        input = UpdateOfferWorkflowStatusInput(required=True)
+
+    success = graphene.Boolean()
+    message = graphene.String()
+    offer = graphene.Field(OfferType)
+
+    def mutate(self, info, input):
+        try:
+            offer = Offer.objects.get(uuid=input.offerUuid)
+            offer.workflow_status = input.status
+            if input.errorMessage is not None:
+                offer.workflow_error = input.errorMessage
+            offer.save(update_fields=["workflow_status", "workflow_error", "updated_at"])
+            logger.info("Offer %s workflow_status updated to %s", input.offerUuid, input.status)
+            return UpdateOfferWorkflowStatus(success=True, message="Status updated", offer=offer)
+        except Offer.DoesNotExist:
+            return UpdateOfferWorkflowStatus(success=False, message="Offer not found", offer=None)
+
+
+class M2MMutation(graphene.ObjectType):
+    createOfferFromWorkflow = CreateOfferFromWorkflow.Field()
+    updateOfferWorkflowStatus = UpdateOfferWorkflowStatus.Field()
+
+
+m2m_schema = graphene.Schema(query=M2MQuery, mutation=M2MMutation)
--- a/backends/exchange/exchange/schemas/team_schema.py
+++ b/backends/exchange/exchange/schemas/team_schema.py
@@ -46,6 +46,8 @@ class OfferInput(graphene.InputObjectType):
    # Прочее
    description = graphene.String()
    valid_until = graphene.Date()
+    terminus_schema_id = graphene.String()
+    terminus_payload = graphene.JSONString()


 class TeamQuery(graphene.ObjectType):
@@ -93,35 +95,46 @@ class CreateOffer(graphene.Mutation):
    class Arguments:
        input = OfferInput(required=True)

-    offer = graphene.Field(OfferType)
+    success = graphene.Boolean()
+    message = graphene.String()
+    workflowId = graphene.String()
+    offerUuid = graphene.String()

    @require_scopes("teams:member")
    def mutate(self, info, input):
-        offer = Offer(
-            uuid=str(uuid_lib.uuid4()),
-            team_uuid=input.team_uuid,
-            # Товар
-            product_uuid=input.product_uuid,
-            product_name=input.product_name,
-            category_name=input.category_name or '',
-            # Локация
-            location_uuid=input.location_uuid or '',
-            location_name=input.location_name or '',
-            location_country=input.location_country or '',
-            location_country_code=input.location_country_code or '',
-            location_latitude=input.location_latitude,
-            location_longitude=input.location_longitude,
-            # Цена и количество
-            quantity=input.quantity,
-            unit=input.unit or 'ton',
-            price_per_unit=input.price_per_unit,
-            currency=input.currency or 'USD',
-            # Прочее
-            description=input.description or '',
-            valid_until=input.valid_until,
-        )
-        offer.save()
-        return CreateOffer(offer=offer)
+        from ..temporal_client import start_offer_workflow
+
+        try:
+            offer_uuid = str(uuid_lib.uuid4())
+            workflow_id, _ = start_offer_workflow(
+                offer_uuid=offer_uuid,
+                team_uuid=input.team_uuid,
+                product_uuid=input.product_uuid,
+                product_name=input.product_name,
+                category_name=input.category_name,
+                location_uuid=input.location_uuid,
+                location_name=input.location_name,
+                location_country=input.location_country,
+                location_country_code=input.location_country_code,
+                location_latitude=input.location_latitude,
+                location_longitude=input.location_longitude,
+                quantity=input.quantity,
+                unit=input.unit,
+                price_per_unit=input.price_per_unit,
+                currency=input.currency,
+                description=input.description,
+                valid_until=input.valid_until,
+                terminus_schema_id=getattr(input, "terminus_schema_id", None),
+                terminus_payload=getattr(input, "terminus_payload", None),
+            )
+            return CreateOffer(
+                success=True,
+                message="Offer workflow started",
+                workflowId=workflow_id,
+                offerUuid=offer_uuid,
+            )
+        except Exception as exc:
+            return CreateOffer(success=False, message=str(exc), workflowId=None, offerUuid=None)


 class UpdateOffer(graphene.Mutation):
@@ -154,6 +167,8 @@ class UpdateOffer(graphene.Mutation):
        offer.currency = input.currency or 'USD'
        offer.description = input.description or ''
        offer.valid_until = input.valid_until
+        if input.terminus_schema_id is not None:
+            offer.terminus_schema_id = input.terminus_schema_id
        offer.save()

        return UpdateOffer(offer=offer)
--- a/backends/exchange/exchange/temporal_client.py
+++ b/backends/exchange/exchange/temporal_client.py
@@ -0,0 +1,79 @@
+import asyncio
+import logging
+import os
+from typing import Tuple
+
+from temporalio.client import Client
+
+logger = logging.getLogger(__name__)
+
+TEMPORAL_ADDRESS = os.getenv("TEMPORAL_ADDRESS", "temporal:7233")
+TEMPORAL_NAMESPACE = os.getenv("TEMPORAL_NAMESPACE", "default")
+TEMPORAL_TASK_QUEUE = os.getenv("TEMPORAL_TASK_QUEUE", "platform-worker")
+
+
+async def _start_offer_workflow_async(payload: dict) -> Tuple[str, str]:
+    client = await Client.connect(TEMPORAL_ADDRESS, namespace=TEMPORAL_NAMESPACE)
+
+    workflow_id = f"offer-{payload['offer_uuid']}"
+
+    handle = await client.start_workflow(
+        "create_offer",
+        payload,
+        id=workflow_id,
+        task_queue=TEMPORAL_TASK_QUEUE,
+    )
+
+    logger.info("Started offer workflow %s", workflow_id)
+    return handle.id, handle.result_run_id
+
+
+def start_offer_workflow(
+    *,
+    offer_uuid: str,
+    team_uuid: str,
+    product_uuid: str,
+    product_name: str,
+    category_name: str | None = None,
+    location_uuid: str | None = None,
+    location_name: str | None = None,
+    location_country: str | None = None,
+    location_country_code: str | None = None,
+    location_latitude: float | None = None,
+    location_longitude: float | None = None,
+    quantity=None,
+    unit: str | None = None,
+    price_per_unit=None,
+    currency: str | None = None,
+    description: str | None = None,
+    valid_until=None,
+    terminus_schema_id: str | None = None,
+    terminus_payload: dict | None = None,
+) -> Tuple[str, str]:
+    payload = {
+        "offer_uuid": offer_uuid,
+        "team_uuid": team_uuid,
+        "product_uuid": product_uuid,
+        "product_name": product_name,
+        "category_name": category_name,
+        "location_uuid": location_uuid,
+        "location_name": location_name,
+        "location_country": location_country,
+        "location_country_code": location_country_code,
+        "location_latitude": location_latitude,
+        "location_longitude": location_longitude,
+        "quantity": str(quantity) if quantity is not None else None,
+        "unit": unit,
+        "price_per_unit": str(price_per_unit) if price_per_unit is not None else None,
+        "currency": currency,
+        "description": description,
+        "valid_until": valid_until.isoformat() if hasattr(valid_until, "isoformat") else valid_until,
+        "terminus_schema_id": terminus_schema_id,
+        "terminus_payload": terminus_payload,
+    }
+
+    try:
+        return asyncio.run(_start_offer_workflow_async(payload))
+    except Exception:
+        logger.exception("Failed to start offer workflow %s", offer_uuid)
+        raise
--- a/backends/exchange/exchange/urls.py
+++ b/backends/exchange/exchange/urls.py
@@ -1,14 +1,16 @@
 from django.contrib import admin
 from django.urls import path
 from django.views.decorators.csrf import csrf_exempt
-from .views import PublicGraphQLView, UserGraphQLView, TeamGraphQLView
+from .views import PublicGraphQLView, UserGraphQLView, TeamGraphQLView, M2MGraphQLView
 from .schemas.public_schema import public_schema
 from .schemas.user_schema import user_schema
 from .schemas.team_schema import team_schema
+from .schemas.m2m_schema import m2m_schema

 urlpatterns = [
    path('admin/', admin.site.urls),
    path('graphql/public/', csrf_exempt(PublicGraphQLView.as_view(graphiql=True, schema=public_schema))),
    path('graphql/user/', csrf_exempt(UserGraphQLView.as_view(graphiql=True, schema=user_schema))),
    path('graphql/team/', csrf_exempt(TeamGraphQLView.as_view(graphiql=True, schema=team_schema))),
+    path('graphql/m2m/', csrf_exempt(M2MGraphQLView.as_view(graphiql=True, schema=m2m_schema))),
 ]
--- a/backends/exchange/exchange/views.py
+++ b/backends/exchange/exchange/views.py
@@ -19,3 +19,8 @@ class UserGraphQLView(GraphQLView):
 class TeamGraphQLView(GraphQLView):
    """Team endpoint - requires Organization Access Token."""
    pass
+
+
+class M2MGraphQLView(GraphQLView):
+    """M2M endpoint - internal services only."""
+    pass
--- a/backends/exchange/offers/migrations/0004_offer_terminus_document_id_offer_terminus_schema_id_and_more.py
+++ b/backends/exchange/offers/migrations/0004_offer_terminus_document_id_offer_terminus_schema_id_and_more.py
@@ -0,0 +1,28 @@
+# Generated by Django 5.2.9 on 2025-12-30 03:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('offers', '0003_offer_workflow_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='offer',
+            name='terminus_document_id',
+            field=models.CharField(blank=True, default='', max_length=255),
+        ),
+        migrations.AddField(
+            model_name='offer',
+            name='terminus_schema_id',
+            field=models.CharField(blank=True, default='', max_length=255),
+        ),
+        migrations.AddField(
+            model_name='offer',
+            name='workflow_error',
+            field=models.TextField(blank=True, default=''),
+        ),
+    ]
--- a/backends/exchange/offers/models.py
+++ b/backends/exchange/offers/models.py
@@ -24,6 +24,7 @@ class Offer(models.Model):
        choices=WORKFLOW_STATUS_CHOICES,
        default='pending',
    )
+    workflow_error = models.TextField(blank=True, default='')

    # Локация отгрузки
    location_uuid = models.CharField(max_length=100, blank=True, default='')
@@ -46,6 +47,8 @@ class Offer(models.Model):

    # Описание (опционально)
    description = models.TextField(blank=True, default='')
+    terminus_schema_id = models.CharField(max_length=255, blank=True, default='')
+    terminus_document_id = models.CharField(max_length=255, blank=True, default='')

    # Срок действия
    valid_until = models.DateField(null=True, blank=True)
--- a/temporal/platform_worker/platform_worker/activities/init.py
+++ b/temporal/platform_worker/platform_worker/activities/init.py
@@ -2,6 +2,9 @@

 from .odoo import add_kyc_to_odoo, set_buyer_logto_org
 from .teams import set_logto_org_id
+from .exchange import create_offer_in_exchange, update_offer_workflow_status
+from .terminus import save_offer_description
+from .offers import trigger_prefect_offer_sync
 from .logto import create_logto_org
 from .address import (
    create_address_in_django,
@@ -14,6 +17,10 @@ __all__ = [
    "set_buyer_logto_org",
    "set_logto_org_id",
    "create_logto_org",
+    "create_offer_in_exchange",
+    "update_offer_workflow_status",
+    "save_offer_description",
+    "trigger_prefect_offer_sync",
    "create_address_in_django",
    "update_address_status",
    "trigger_prefect_sync",
--- a/temporal/platform_worker/platform_worker/activities/exchange.py
+++ b/temporal/platform_worker/platform_worker/activities/exchange.py
@@ -0,0 +1,113 @@
+"""Activities for Exchange service via GraphQL M2M endpoint."""
+import logging
+import httpx
+from temporalio import activity
+
+from optovia_workflows.types import (
+    CreateOfferInExchangeInput,
+    CreateOfferInExchangeResult,
+    UpdateOfferWorkflowStatusInput,
+    UpdateOfferWorkflowStatusResult,
+)
+
+from ..config import settings
+
+logger = logging.getLogger(__name__)
+
+CREATE_OFFER_MUTATION = """
+mutation CreateOfferFromWorkflow($input: CreateOfferFromWorkflowInput!) {
+  createOfferFromWorkflow(input: $input) {
+    success
+    message
+    offer {
+      uuid
+    }
+  }
+}
+"""
+
+UPDATE_OFFER_STATUS_MUTATION = """
+mutation UpdateOfferWorkflowStatus($input: UpdateOfferWorkflowStatusInput!) {
+  updateOfferWorkflowStatus(input: $input) {
+    success
+    message
+    offer {
+      uuid
+    }
+  }
+}
+"""
+
+
+@activity.defn(name="create_offer_in_exchange")
+def create_offer_in_exchange(data: CreateOfferInExchangeInput) -> CreateOfferInExchangeResult:
+    url = f"{settings.EXCHANGE_API_URL}/graphql/m2m/"
+
+    payload = {
+        "offerUuid": data.offer_uuid,
+        "teamUuid": data.team_uuid,
+        "productUuid": data.product_uuid,
+        "productName": data.product_name,
+        "categoryName": data.category_name,
+        "locationUuid": data.location_uuid,
+        "locationName": data.location_name,
+        "locationCountry": data.location_country,
+        "locationCountryCode": data.location_country_code,
+        "locationLatitude": data.location_latitude,
+        "locationLongitude": data.location_longitude,
+        "quantity": data.quantity,
+        "unit": data.unit,
+        "pricePerUnit": data.price_per_unit,
+        "currency": data.currency,
+        "description": data.description,
+        "validUntil": data.valid_until,
+        "terminusSchemaId": data.terminus_schema_id,
+        "terminusDocumentId": data.terminus_document_id,
+    }
+
+    with httpx.Client(timeout=settings.EXCHANGE_TIMEOUT) as client:
+        response = client.post(
+            url,
+            json={"query": CREATE_OFFER_MUTATION, "variables": {"input": payload}},
+            headers={"Content-Type": "application/json"},
+        )
+        response.raise_for_status()
+        result = response.json()
+        if "errors" in result:
+            return CreateOfferInExchangeResult(success=False, offer_uuid=data.offer_uuid, message=str(result["errors"]))
+        mutation_result = result.get("data", {}).get("createOfferFromWorkflow", {})
+        if not mutation_result.get("success"):
+            return CreateOfferInExchangeResult(
+                success=False,
+                offer_uuid=data.offer_uuid,
+                message=mutation_result.get("message", "Unknown error"),
+            )
+
+    return CreateOfferInExchangeResult(success=True, offer_uuid=data.offer_uuid)
+
+
+@activity.defn(name="update_offer_workflow_status")
+def update_offer_workflow_status(data: UpdateOfferWorkflowStatusInput) -> UpdateOfferWorkflowStatusResult:
+    url = f"{settings.EXCHANGE_API_URL}/graphql/m2m/"
+
+    payload = {
+        "offerUuid": data.offer_uuid,
+        "status": data.status,
+        "errorMessage": data.error_message,
+    }
+
+    with httpx.Client(timeout=settings.EXCHANGE_TIMEOUT) as client:
+        response = client.post(
+            url,
+            json={"query": UPDATE_OFFER_STATUS_MUTATION, "variables": {"input": payload}},
+            headers={"Content-Type": "application/json"},
+        )
+        response.raise_for_status()
+        result = response.json()
+        if "errors" in result:
+            return UpdateOfferWorkflowStatusResult(success=False, message=str(result["errors"]))
+        mutation_result = result.get("data", {}).get("updateOfferWorkflowStatus", {})
+        if not mutation_result.get("success"):
+            return UpdateOfferWorkflowStatusResult(success=False, message=mutation_result.get("message", "Unknown error"))
+
+    return UpdateOfferWorkflowStatusResult(success=True, message="OK")
--- a/temporal/platform_worker/platform_worker/activities/offers.py
+++ b/temporal/platform_worker/platform_worker/activities/offers.py
@@ -0,0 +1,79 @@
+"""Activities to sync offers into graph via Prefect."""
+import logging
+import time
+import httpx
+from temporalio import activity
+
+from optovia_workflows.types import TriggerPrefectOfferSyncInput, TriggerPrefectOfferSyncResult
+from ..config import settings
+
+logger = logging.getLogger(__name__)
+
+
+@activity.defn(name="trigger_prefect_offer_sync")
+def trigger_prefect_offer_sync(data: TriggerPrefectOfferSyncInput) -> TriggerPrefectOfferSyncResult:
+    """
+    Trigger Prefect sync-offer flow to create offer node and edge to location.
+    """
+    try:
+        deployment_url = f"{settings.PREFECT_API_URL}/deployments/name/sync-offer/sync-offer-deployment"
+
+        with httpx.Client(timeout=30) as client:
+            response = client.get(deployment_url)
+            response.raise_for_status()
+            deployment_id = response.json()["id"]
+
+            node_data = {
+                "uuid": data.offer_uuid,
+                "node_type": "offer",
+                "location_uuid": data.location_uuid,
+                "location_latitude": data.location_latitude,
+                "location_longitude": data.location_longitude,
+                "team_uuid": data.team_uuid,
+                "product_uuid": data.product_uuid,
+                "price_per_unit": data.price_per_unit,
+                "currency": data.currency,
+                "quantity": data.quantity,
+                "unit": data.unit,
+            }
+
+            run_url = f"{settings.PREFECT_API_URL}/deployments/{deployment_id}/create_flow_run"
+            response = client.post(run_url, json={"parameters": {"offer_data": node_data}})
+            response.raise_for_status()
+            flow_run_id = response.json()["id"]
+
+            logger.info("Created Prefect offer flow run %s", flow_run_id)
+
+        poll_interval = 60
+        max_polls = 20
+        polls = 0
+
+        while polls < max_polls:
+            with httpx.Client(timeout=30) as client:
+                flow_run_url = f"{settings.PREFECT_API_URL}/flow_runs/{flow_run_id}"
+                response = client.get(flow_run_url)
+                response.raise_for_status()
+                flow_run = response.json()
+
+            state_type = flow_run.get("state", {}).get("type")
+            state_name = flow_run.get("state", {}).get("name", "")
+            if state_type == "COMPLETED":
+                return TriggerPrefectOfferSyncResult(success=True, flow_run_id=flow_run_id)
+            if state_type in ("FAILED", "CANCELLED", "CRASHED"):
+                return TriggerPrefectOfferSyncResult(
+                    success=False,
+                    flow_run_id=flow_run_id,
+                    message=f"Flow run {state_type}: {state_name}",
+                )
+
+            polls += 1
+            time.sleep(poll_interval)
+
+        return TriggerPrefectOfferSyncResult(
+            success=False,
+            flow_run_id=flow_run_id,
+            message=f"Timeout waiting for flow run {flow_run_id}",
+        )
+    except Exception as exc:
+        logger.exception("Failed to trigger Prefect offer sync")
+        return TriggerPrefectOfferSyncResult(success=False, message=str(exc))
--- a/temporal/platform_worker/platform_worker/activities/terminus.py
+++ b/temporal/platform_worker/platform_worker/activities/terminus.py
@@ -0,0 +1,49 @@
+"""Activities for TerminusDB document storage."""
+import base64
+import logging
+import httpx
+from temporalio import activity
+
+from optovia_workflows.types import SaveOfferDescriptionInput, SaveOfferDescriptionResult
+from ..config import settings
+
+logger = logging.getLogger(__name__)
+
+
+def _basic_auth_header() -> str:
+    if settings.TERMINUS_BASIC_USER and settings.TERMINUS_BASIC_PASS:
+        token = f"{settings.TERMINUS_BASIC_USER}:{settings.TERMINUS_BASIC_PASS}".encode("utf-8")
+        return "Basic " + base64.b64encode(token).decode("utf-8")
+    return ""
+
+
+@activity.defn(name="save_offer_description")
+def save_offer_description(data: SaveOfferDescriptionInput) -> SaveOfferDescriptionResult:
+    if not settings.TERMINUS_DOCUMENT_URL:
+        return SaveOfferDescriptionResult(success=False, message="Terminus URL not configured")
+
+    headers = {"Content-Type": "application/json"}
+    auth_header = _basic_auth_header()
+    if auth_header:
+        headers["Authorization"] = auth_header
+
+    document = {
+        "@type": data.schema_id,
+        "@id": data.offer_uuid,
+        "offer_uuid": data.offer_uuid,
+        **data.payload,
+    }
+
+    try:
+        with httpx.Client(timeout=settings.TERMINUS_TIMEOUT) as client:
+            response = client.post(
+                settings.TERMINUS_DOCUMENT_URL,
+                json=document,
+                headers=headers,
+                params={"graph_type": "instance"},
+            )
+            response.raise_for_status()
+        return SaveOfferDescriptionResult(success=True, document_id=data.offer_uuid)
+    except Exception as exc:
+        logger.exception("Failed to save offer description to Terminus")
+        return SaveOfferDescriptionResult(success=False, message=str(exc))
--- a/temporal/platform_worker/platform_worker/config.py
+++ b/temporal/platform_worker/platform_worker/config.py
@@ -65,6 +65,10 @@ class Settings(BaseSettings):
    TEAMS_API_URL: str = "http://teams:8000"
    TEAMS_TIMEOUT: float = 15.0

+    # Exchange service
+    EXCHANGE_API_URL: str = "http://exchange:8000"
+    EXCHANGE_TIMEOUT: float = 15.0
+
    # Logto
    LOGTO_API_URL: str = "http://logto:3001"
    LOGTO_M2M_APP_ID: str = ""
@@ -80,5 +84,11 @@ class Settings(BaseSettings):
    # Prefect (loaded from Infisical /shared)
    PREFECT_API_URL: str

+    # TerminusDB
+    TERMINUS_DOCUMENT_URL: str = ""
+    TERMINUS_BASIC_USER: str = ""
+    TERMINUS_BASIC_PASS: str = ""
+    TERMINUS_TIMEOUT: float = 15.0
+

 settings = Settings()
--- a/temporal/platform_worker/platform_worker/main.py
+++ b/temporal/platform_worker/platform_worker/main.py
@@ -18,7 +18,7 @@ from concurrent.futures import ThreadPoolExecutor
 from temporalio.client import Client
 from temporalio.worker import Worker

-from optovia_workflows import KycApplicationWorkflow, AddressWorkflow
+from optovia_workflows import KycApplicationWorkflow, AddressWorkflow, OfferWorkflow

 from . import activities
 from .config import settings
@@ -65,12 +65,16 @@ async def run_worker() -> None:
    worker = Worker(
        client,
        task_queue=settings.TASK_QUEUE,
-        workflows=[KycApplicationWorkflow, AddressWorkflow],
+        workflows=[KycApplicationWorkflow, AddressWorkflow, OfferWorkflow],
        activities=[
            activities.add_kyc_to_odoo,
            activities.set_buyer_logto_org,
            activities.create_logto_org,
            activities.set_logto_org_id,
+            activities.create_offer_in_exchange,
+            activities.update_offer_workflow_status,
+            activities.save_offer_description,
+            activities.trigger_prefect_offer_sync,
            activities.create_address_in_django,
            activities.update_address_status,
            activities.trigger_prefect_sync,
--- a/temporal/workflows/optovia_workflows/init.py
+++ b/temporal/workflows/optovia_workflows/init.py
@@ -2,6 +2,7 @@

 from .kyc import KycApplicationWorkflow
 from .address import AddressWorkflow
+from .offer import OfferWorkflow
 from .types import (
    KycApprovalData,
    KycData,
@@ -9,6 +10,8 @@ from .types import (
    KycWorkflowResult,
    AddressData,
    AddressWorkflowResult,
+    OfferData,
+    OfferWorkflowResult,
 )

 __all__ = [
@@ -20,4 +23,7 @@ __all__ = [
    "AddressWorkflow",
    "AddressData",
    "AddressWorkflowResult",
+    "OfferWorkflow",
+    "OfferData",
+    "OfferWorkflowResult",
 ]
--- a/temporal/workflows/optovia_workflows/offer/init.py
+++ b/temporal/workflows/optovia_workflows/offer/init.py
@@ -0,0 +1,5 @@
+"""Offer workflow module."""
+
+from .workflow import OfferWorkflow
+
+__all__ = ["OfferWorkflow"]
--- a/temporal/workflows/optovia_workflows/offer/workflow.py
+++ b/temporal/workflows/optovia_workflows/offer/workflow.py
@@ -0,0 +1,174 @@
+"""
+Offer Workflow.
+
+Creates an offer in Exchange, stores description in Terminus, and
+syncs offer node/edge in graph via Prefect.
+"""
+from datetime import timedelta
+
+from temporalio import workflow
+from temporalio.common import RetryPolicy
+
+with workflow.unsafe.imports_passed_through():
+    from ..types import (
+        OfferData,
+        OfferWorkflowResult,
+        CreateOfferInExchangeInput,
+        CreateOfferInExchangeResult,
+        SaveOfferDescriptionInput,
+        SaveOfferDescriptionResult,
+        TriggerPrefectOfferSyncInput,
+        TriggerPrefectOfferSyncResult,
+        UpdateOfferWorkflowStatusInput,
+    )
+
+
+EXTERNAL_API_RETRY = RetryPolicy(
+    maximum_attempts=5,
+    initial_interval=timedelta(seconds=2),
+    backoff_coefficient=2.0,
+    maximum_interval=timedelta(seconds=30),
+)
+
+INTERNAL_API_RETRY = RetryPolicy(
+    maximum_attempts=3,
+    initial_interval=timedelta(seconds=1),
+    backoff_coefficient=2.0,
+    maximum_interval=timedelta(seconds=10),
+)
+
+
+@workflow.defn(name="create_offer")
+class OfferWorkflow:
+    @workflow.run
+    async def run(self, data: OfferData) -> OfferWorkflowResult:
+        workflow.logger.info("Starting offer workflow %s", data.offer_uuid)
+
+        create_result: CreateOfferInExchangeResult = await workflow.execute_activity(
+            "create_offer_in_exchange",
+            CreateOfferInExchangeInput(
+                offer_uuid=data.offer_uuid,
+                team_uuid=data.team_uuid,
+                product_uuid=data.product_uuid,
+                product_name=data.product_name,
+                category_name=data.category_name,
+                location_uuid=data.location_uuid,
+                location_name=data.location_name,
+                location_country=data.location_country,
+                location_country_code=data.location_country_code,
+                location_latitude=data.location_latitude,
+                location_longitude=data.location_longitude,
+                quantity=data.quantity,
+                unit=data.unit,
+                price_per_unit=data.price_per_unit,
+                currency=data.currency,
+                description=data.description,
+                valid_until=data.valid_until,
+                terminus_schema_id=data.terminus_schema_id,
+                terminus_document_id=data.offer_uuid,
+            ),
+            schedule_to_close_timeout=timedelta(seconds=30),
+            start_to_close_timeout=timedelta(seconds=15),
+            retry_policy=INTERNAL_API_RETRY,
+        )
+
+        success = create_result.success if hasattr(create_result, "success") else create_result["success"]
+        if not success:
+            message = create_result.message if hasattr(create_result, "message") else create_result.get("message", "")
+            workflow.logger.error("Failed to create offer in Exchange: %s", message)
+            return OfferWorkflowResult(status="failed", offer_uuid=data.offer_uuid, message=message)
+
+        # Save description to Terminus
+        if data.terminus_schema_id and data.terminus_payload:
+            save_result: SaveOfferDescriptionResult = await workflow.execute_activity(
+                "save_offer_description",
+                SaveOfferDescriptionInput(
+                    offer_uuid=data.offer_uuid,
+                    schema_id=data.terminus_schema_id,
+                    payload=data.terminus_payload,
+                ),
+                schedule_to_close_timeout=timedelta(seconds=30),
+                start_to_close_timeout=timedelta(seconds=15),
+                retry_policy=EXTERNAL_API_RETRY,
+            )
+            save_success = save_result.success if hasattr(save_result, "success") else save_result.get("success", False)
+            if not save_success:
+                message = save_result.message if hasattr(save_result, "message") else save_result.get("message", "")
+                await workflow.execute_activity(
+                    "update_offer_workflow_status",
+                    UpdateOfferWorkflowStatusInput(
+                        offer_uuid=data.offer_uuid,
+                        status="error",
+                        error_message=message,
+                    ),
+                    schedule_to_close_timeout=timedelta(seconds=30),
+                    start_to_close_timeout=timedelta(seconds=15),
+                    retry_policy=INTERNAL_API_RETRY,
+                )
+                return OfferWorkflowResult(status="failed", offer_uuid=data.offer_uuid, message=message)
+        else:
+            workflow.logger.warning("No Terminus payload for offer %s", data.offer_uuid)
+
+        # Sync offer node + edge in graph
+        if data.location_uuid and data.location_latitude is not None and data.location_longitude is not None:
+            sync_result: TriggerPrefectOfferSyncResult = await workflow.execute_activity(
+                "trigger_prefect_offer_sync",
+                TriggerPrefectOfferSyncInput(
+                    offer_uuid=data.offer_uuid,
+                    location_uuid=data.location_uuid,
+                    location_latitude=data.location_latitude,
+                    location_longitude=data.location_longitude,
+                    team_uuid=data.team_uuid,
+                    product_uuid=data.product_uuid,
+                    price_per_unit=data.price_per_unit,
+                    currency=data.currency,
+                    quantity=data.quantity,
+                    unit=data.unit,
+                ),
+                schedule_to_close_timeout=timedelta(minutes=20),
+                start_to_close_timeout=timedelta(minutes=20),
+                retry_policy=EXTERNAL_API_RETRY,
+            )
+            sync_success = sync_result.success if hasattr(sync_result, "success") else sync_result.get("success", False)
+            if not sync_success:
+                message = sync_result.message if hasattr(sync_result, "message") else sync_result.get("message", "")
+                await workflow.execute_activity(
+                    "update_offer_workflow_status",
+                    UpdateOfferWorkflowStatusInput(
+                        offer_uuid=data.offer_uuid,
+                        status="error",
+                        error_message=message,
+                    ),
+                    schedule_to_close_timeout=timedelta(seconds=30),
+                    start_to_close_timeout=timedelta(seconds=15),
+                    retry_policy=INTERNAL_API_RETRY,
+                )
+                return OfferWorkflowResult(status="failed", offer_uuid=data.offer_uuid, message=message)
+        else:
+            message = "Offer location coordinates are missing"
+            await workflow.execute_activity(
+                "update_offer_workflow_status",
+                UpdateOfferWorkflowStatusInput(
+                    offer_uuid=data.offer_uuid,
+                    status="error",
+                    error_message=message,
+                ),
+                schedule_to_close_timeout=timedelta(seconds=30),
+                start_to_close_timeout=timedelta(seconds=15),
+                retry_policy=INTERNAL_API_RETRY,
+            )
+            return OfferWorkflowResult(status="failed", offer_uuid=data.offer_uuid, message=message)
+
+        await workflow.execute_activity(
+            "update_offer_workflow_status",
+            UpdateOfferWorkflowStatusInput(
+                offer_uuid=data.offer_uuid,
+                status="active",
+            ),
+            schedule_to_close_timeout=timedelta(seconds=30),
+            start_to_close_timeout=timedelta(seconds=15),
+            retry_policy=INTERNAL_API_RETRY,
+        )
+
+        workflow.logger.info("Offer workflow completed: %s", data.offer_uuid)
+        return OfferWorkflowResult(status="completed", offer_uuid=data.offer_uuid)
--- a/temporal/workflows/optovia_workflows/types.py
+++ b/temporal/workflows/optovia_workflows/types.py
@@ -123,6 +123,139 @@ class SetLogtoOrgIdResult:
    updated: bool


+# ============================================================================
+# Offer Workflow Types
+# ============================================================================
+
+
+@dataclass
+class OfferData:
+    """Input data for offer creation workflow."""
+
+    offer_uuid: str
+    team_uuid: str
+    product_uuid: str
+    product_name: str
+    category_name: str | None = None
+    location_uuid: str | None = None
+    location_name: str | None = None
+    location_country: str | None = None
+    location_country_code: str | None = None
+    location_latitude: float | None = None
+    location_longitude: float | None = None
+    quantity: str | None = None
+    unit: str | None = None
+    price_per_unit: str | None = None
+    currency: str | None = None
+    description: str | None = None
+    valid_until: str | None = None
+    terminus_schema_id: str | None = None
+    terminus_payload: dict | None = None
+
+
+@dataclass
+class OfferWorkflowResult:
+    """Output of offer workflow."""
+
+    status: str  # completed | failed
+    offer_uuid: str
+    message: str = ""
+
+
+@dataclass
+class CreateOfferInExchangeInput:
+    """Input for create_offer_in_exchange activity."""
+
+    offer_uuid: str
+    team_uuid: str
+    product_uuid: str
+    product_name: str
+    category_name: str | None = None
+    location_uuid: str | None = None
+    location_name: str | None = None
+    location_country: str | None = None
+    location_country_code: str | None = None
+    location_latitude: float | None = None
+    location_longitude: float | None = None
+    quantity: str | None = None
+    unit: str | None = None
+    price_per_unit: str | None = None
+    currency: str | None = None
+    description: str | None = None
+    valid_until: str | None = None
+    terminus_schema_id: str | None = None
+    terminus_document_id: str | None = None
+
+
+@dataclass
+class CreateOfferInExchangeResult:
+    """Result of create_offer_in_exchange activity."""
+
+    success: bool
+    offer_uuid: str
+    message: str = ""
+
+
+@dataclass
+class UpdateOfferWorkflowStatusInput:
+    """Input for update_offer_workflow_status activity."""
+
+    offer_uuid: str
+    status: str  # pending | active | error
+    error_message: str | None = None
+
+
+@dataclass
+class UpdateOfferWorkflowStatusResult:
+    """Result of update_offer_workflow_status activity."""
+
+    success: bool
+    message: str = ""
+
+
+@dataclass
+class SaveOfferDescriptionInput:
+    """Input for save_offer_description activity."""
+
+    offer_uuid: str
+    schema_id: str
+    payload: dict
+
+
+@dataclass
+class SaveOfferDescriptionResult:
+    """Result of save_offer_description activity."""
+
+    success: bool
+    document_id: str = ""
+    message: str = ""
+
+
+@dataclass
+class TriggerPrefectOfferSyncInput:
+    """Input for trigger_prefect_offer_sync activity."""
+
+    offer_uuid: str
+    location_uuid: str
+    location_latitude: float
+    location_longitude: float
+    team_uuid: str
+    product_uuid: str
+    price_per_unit: str | None = None
+    currency: str | None = None
+    quantity: str | None = None
+    unit: str | None = None
+
+
+@dataclass
+class TriggerPrefectOfferSyncResult:
+    """Result of trigger_prefect_offer_sync activity."""
+
+    success: bool
+    flow_run_id: str = ""
+    message: str = ""
+
+
 # ============================================================================
 # KYC Django Activity Types
 # ============================================================================
--- a/webapp/app/composables/graphql/team/exchange-generated.ts
+++ b/webapp/app/composables/graphql/team/exchange-generated.ts
@@ -16,11 +16,15 @@ export type Scalars = {
  Date: { input: any; output: any; }
  DateTime: { input: string; output: string; }
  Decimal: { input: any; output: any; }
+  JSONString: { input: any; output: any; }
 };

 export type CreateOffer = {
  __typename?: 'CreateOffer';
-  offer?: Maybe<OfferType>;
+  message?: Maybe<Scalars['String']['output']>;
+  offerUuid?: Maybe<Scalars['String']['output']>;
+  success?: Maybe<Scalars['Boolean']['output']>;
+  workflowId?: Maybe<Scalars['String']['output']>;
 };

 export type CreateRequest = {
@@ -48,6 +52,8 @@ export type OfferInput = {
  productUuid: Scalars['String']['input'];
  quantity: Scalars['Decimal']['input'];
  teamUuid: Scalars['String']['input'];
+  terminusPayload?: InputMaybe<Scalars['JSONString']['input']>;
+  terminusSchemaId?: InputMaybe<Scalars['String']['input']>;
  unit?: InputMaybe<Scalars['String']['input']>;
  validUntil?: InputMaybe<Scalars['Date']['input']>;
 };
@@ -189,7 +195,7 @@ export type CreateOfferMutationVariables = Exact<{
 }>;


-export type CreateOfferMutation = { __typename?: 'TeamMutation', createOffer?: { __typename?: 'CreateOffer', offer?: { __typename?: 'OfferType', uuid: string, teamUuid: string, status: OffersOfferStatusChoices, locationUuid: string, locationName: string, locationCountry: string, locationCountryCode: string, locationLatitude?: number | null, locationLongitude?: number | null, productUuid: string, productName: string, categoryName: string, quantity: any, unit: string, pricePerUnit?: any | null, currency: string, description: string, validUntil?: any | null, createdAt: string, updatedAt: string } | null } | null };
+export type CreateOfferMutation = { __typename?: 'TeamMutation', createOffer?: { __typename?: 'CreateOffer', success?: boolean | null, message?: string | null, workflowId?: string | null, offerUuid?: string | null } | null };

 export type CreateRequestMutationVariables = Exact<{
  input: RequestInput;
@@ -206,6 +212,6 @@ export type GetRequestsQueryVariables = Exact<{
 export type GetRequestsQuery = { __typename?: 'TeamQuery', getRequests?: Array<{ __typename?: 'RequestType', uuid: string, productUuid: string, quantity: any, sourceLocationUuid: string, userId: string } | null> | null };


-export const CreateOfferDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateOffer"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"OfferInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createOffer"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"offer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"uuid"}},{"kind":"Field","name":{"kind":"Name","value":"teamUuid"}},{"kind":"Field","name":{"kind":"Name","value":"status"}},{"kind":"Field","name":{"kind":"Name","value":"locationUuid"}},{"kind":"Field","name":{"kind":"Name","value":"locationName"}},{"kind":"Field","name":{"kind":"Name","value":"locationCountry"}},{"kind":"Field","name":{"kind":"Name","value":"locationCountryCode"}},{"kind":"Field","name":{"kind":"Name","value":"locationLatitude"}},{"kind":"Field","name":{"kind":"Name","value":"locationLongitude"}},{"kind":"Field","name":{"kind":"Name","value":"productUuid"}},{"kind":"Field","name":{"kind":"Name","value":"productName"}},{"kind":"Field","name":{"kind":"Name","value":"categoryName"}},{"kind":"Field","name":{"kind":"Name","value":"quantity"}},{"kind":"Field","name":{"kind":"Name","value":"unit"}},{"kind":"Field","name":{"kind":"Name","value":"pricePerUnit"}},{"kind":"Field","name":{"kind":"Name","value":"currency"}},{"kind":"Field","name":{"kind":"Name","value":"description"}},{"kind":"Field","name":{"kind":"Name","value":"validUntil"}},{"kind":"Field","name":{"kind":"Name","value":"createdAt"}},{"kind":"Field","name":{"kind":"Name","value":"updatedAt"}}]}}]}}]}}]} as unknown as DocumentNode<CreateOfferMutation, CreateOfferMutationVariables>;
+export const CreateOfferDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateOffer"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"OfferInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createOffer"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"success"}},{"kind":"Field","name":{"kind":"Name","value":"message"}},{"kind":"Field","name":{"kind":"Name","value":"workflowId"}},{"kind":"Field","name":{"kind":"Name","value":"offerUuid"}}]}}]}}]} as unknown as DocumentNode<CreateOfferMutation, CreateOfferMutationVariables>;
 export const CreateRequestDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateRequest"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"RequestInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createRequest"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"request"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"uuid"}},{"kind":"Field","name":{"kind":"Name","value":"productUuid"}},{"kind":"Field","name":{"kind":"Name","value":"quantity"}},{"kind":"Field","name":{"kind":"Name","value":"sourceLocationUuid"}},{"kind":"Field","name":{"kind":"Name","value":"userId"}}]}}]}}]}}]} as unknown as DocumentNode<CreateRequestMutation, CreateRequestMutationVariables>;
-export const GetRequestsDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"GetRequests"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"userId"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"getRequests"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"userId"},"value":{"kind":"Variable","name":{"kind":"Name","value":"userId"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"uuid"}},{"kind":"Field","name":{"kind":"Name","value":"productUuid"}},{"kind":"Field","name":{"kind":"Name","value":"quantity"}},{"kind":"Field","name":{"kind":"Name","value":"sourceLocationUuid"}},{"kind":"Field","name":{"kind":"Name","value":"userId"}}]}}]}}]} as unknown as DocumentNode<GetRequestsQuery, GetRequestsQueryVariables>;
+export const GetRequestsDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"GetRequests"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"userId"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"getRequests"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"userId"},"value":{"kind":"Variable","name":{"kind":"Name","value":"userId"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"uuid"}},{"kind":"Field","name":{"kind":"Name","value":"productUuid"}},{"kind":"Field","name":{"kind":"Name","value":"quantity"}},{"kind":"Field","name":{"kind":"Name","value":"sourceLocationUuid"}},{"kind":"Field","name":{"kind":"Name","value":"userId"}}]}}]}}]} as unknown as DocumentNode<GetRequestsQuery, GetRequestsQueryVariables>;
--- a/webapp/app/pages/clientarea/offers/[uuid].vue
+++ b/webapp/app/pages/clientarea/offers/[uuid].vue
@@ -52,6 +52,22 @@
          <Text v-if="schemaDescription" tone="muted">{{ schemaDescription }}</Text>
        </Stack>

+        <Stack gap="2">
+          <Text weight="semibold">{{ t('clientOfferForm.labels.location') }}</Text>
+          <select v-model="selectedAddressUuid" class="select select-bordered w-full">
+            <option v-if="!addresses.length" :value="null">
+              {{ t('clientOfferForm.labels.location_empty') }}
+            </option>
+            <option
+              v-for="address in addresses"
+              :key="address.uuid"
+              :value="address.uuid"
+            >
+              {{ address.name }} — {{ address.address }}
+            </option>
+          </select>
+        </Stack>
+
        <hr class="border-base-300" />

        <!-- FormKit dynamic form -->
@@ -100,6 +116,8 @@
 import { FormKitSchema } from '@formkit/vue'
 import type { FormKitSchemaNode } from '@formkit/core'
 import { GetProductsDocument } from '~/composables/graphql/public/exchange-generated'
+import { CreateOfferDocument } from '~/composables/graphql/team/exchange-generated'
+import { GetTeamAddressesDocument } from '~/composables/graphql/team/teams-generated'

 definePageMeta({
  middleware: ['auth-oidc'],
@@ -114,6 +132,7 @@ const localePath = useLocalePath()
 const route = useRoute()
 const { execute } = useGraphQL()
 const { getSchema, getEnums, schemaToFormKit } = useTerminus()
+const { activeTeamId } = useActiveTeam()

 // State
 const isLoading = ref(true)
@@ -126,9 +145,24 @@ const productName = ref<string>('')
 const schemaId = ref<string | null>(null)
 const schemaDescription = ref<string | null>(null)
 const formkitSchema = ref<FormKitSchemaNode[]>([])
+const addresses = ref<any[]>([])
+const selectedAddressUuid = ref<string | null>(null)

 const isDev = process.dev

+const loadAddresses = async () => {
+  try {
+    const result = await execute(GetTeamAddressesDocument, {}, 'team', 'teams')
+    addresses.value = result.teamAddresses || []
+    const defaultAddress = addresses.value.find((address: any) => address.isDefault)
+    selectedAddressUuid.value = defaultAddress?.uuid || addresses.value[0]?.uuid || null
+  } catch (err) {
+    console.error('Failed to load addresses:', err)
+    addresses.value = []
+    selectedAddressUuid.value = null
+  }
+}
+
 // Load data
 const loadData = async () => {
  try {
@@ -166,6 +200,7 @@ const loadData = async () => {
    // 3. Load enums and convert to FormKit schema
    const enums = await getEnums()
    formkitSchema.value = schemaToFormKit(terminusClass, enums)
+    await loadAddresses()

  } catch (err: any) {
    hasError.value = true
@@ -181,17 +216,41 @@ const handleSubmit = async (data: Record<string, unknown>) => {
  try {
    isSubmitting.value = true

-    console.log('Form data:', data)
+    if (!activeTeamId.value) {
+      throw new Error(t('clientOfferForm.error.load'))
+    }

-    // TODO: Save data to TerminusDB
-    // const result = await saveToTerminus(schemaId.value, data)
+    const selectedAddress = addresses.value.find((address: any) => address.uuid === selectedAddressUuid.value)
+    if (!selectedAddress) {
+      throw new Error(t('clientOfferForm.error.save'))
+    }

-    // TODO: Create OfferLine with product_uuid and characteristics
+    const input = {
+      teamUuid: activeTeamId.value,
+      productUuid: productUuid.value,
+      productName: productName.value,
+      categoryName: undefined,
+      locationUuid: selectedAddress.uuid,
+      locationName: selectedAddress.name,
+      locationCountry: '',
+      locationCountryCode: selectedAddress.countryCode || '',
+      locationLatitude: selectedAddress.latitude,
+      locationLongitude: selectedAddress.longitude,
+      quantity: data.quantity || 0,
+      unit: data.unit || 'ton',
+      pricePerUnit: data.price_per_unit || data.pricePerUnit || null,
+      currency: data.currency || 'USD',
+      description: data.description || '',
+      validUntil: data.valid_until || data.validUntil || null,
+      terminusSchemaId: schemaId.value,
+      terminusPayload: data,
+    }

-    // Temporary success alert
-    alert(t('clientOfferForm.success.saved', { payload: JSON.stringify(data, null, 2) }))
+    const result = await execute(CreateOfferDocument, { input }, 'team', 'exchange')
+    if (!result.createOffer?.success) {
+      throw new Error(result.createOffer?.message || t('clientOfferForm.error.save'))
+    }

-    // Redirect to offers list
    await navigateTo(localePath('/clientarea/offers'))

  } catch (err: any) {
--- a/webapp/graphql/operations/team/exchange/CreateOffer.graphql
+++ b/webapp/graphql/operations/team/exchange/CreateOffer.graphql
@@ -1,30 +1,8 @@
 mutation CreateOffer($input: OfferInput!) {
  createOffer(input: $input) {
-    offer {
-      uuid
-      teamUuid
-      status
-      # Location
-      locationUuid
-      locationName
-      locationCountry
-      locationCountryCode
-      locationLatitude
-      locationLongitude
-      # Product
-      productUuid
-      productName
-      categoryName
-      # Price
-      quantity
-      unit
-      pricePerUnit
-      currency
-      # Misc
-      description
-      validUntil
-      createdAt
-      updatedAt
-    }
+    success
+    message
+    workflowId
+    offerUuid
  }
 }
--- a/webapp/i18n/locales/en/clientOfferForm.json
+++ b/webapp/i18n/locales/en/clientOfferForm.json
@@ -26,6 +26,10 @@
      "productNotFound": "Product with UUID {uuid} not found",
      "schemaNotFound": "Schema \"{schema}\" not found in TerminusDB"
    },
+    "labels": {
+      "location": "Location",
+      "location_empty": "No locations available"
+    },
    "success": {
      "saved": "Data saved!\\n\\n{payload}"
    },
--- a/webapp/i18n/locales/ru/clientOfferForm.json
+++ b/webapp/i18n/locales/ru/clientOfferForm.json
@@ -26,6 +26,10 @@
      "productNotFound": "Продукт с UUID {uuid} не найден",
      "schemaNotFound": "Схема \"{schema}\" не найдена в TerminusDB"
    },
+    "labels": {
+      "location": "Локация",
+      "location_empty": "Локации отсутствуют"
+    },
    "success": {
      "saved": "Данные сохранены!\\n\\n{payload}"
    },