```

chore: remove obsolete payment architecture and integration test documentation

- Remove AITBC_PAYMENT_ARCHITECTURE.md (dual-currency system documentation)
- Remove IMPLEMENTATION_COMPLETE_SUMMARY.md (integration test completion summary)
- Remove INTEGRATION_TEST_FIXES.md (test fixes documentation)
- Remove INTEGRATION_TEST_UPDATES.md (real features implementation notes)
- Remove PAYMENT_INTEGRATION_COMPLETE.md (wallet-coordinator integration docs)
- Remove WALLET_COORDINATOR_INTEGRATION.md (payment

apps/coordinator-api/src/app/services/jobs.py

@@ -32,15 +32,8 @@ class JobService:
         
         # Create payment if amount is specified
         if req.payment_amount and req.payment_amount > 0:
-            from ..schemas.payments import JobPaymentCreate, PaymentMethod
-            payment_create = JobPaymentCreate(
-                job_id=job.id,
-                amount=req.payment_amount,
-                currency=req.payment_currency,
-                payment_method=PaymentMethod.BITCOIN
-            )
-            # Note: This is async, so we'll handle it in the router
-            job.payment_pending = True
+            # Note: Payment creation is handled in the router
+            pass
         
         return job
 
@@ -81,6 +74,8 @@ class JobService:
             requested_at=job.requested_at,
             expires_at=job.expires_at,
             error=job.error,
+            payment_id=job.payment_id,
+            payment_status=job.payment_status,
         )
 
     def to_result(self, job: Job) -> JobResult:

apps/coordinator-api/src/app/services/marketplace.py

@@ -5,7 +5,7 @@ from typing import Iterable, Optional
 
 from sqlmodel import Session, select
 
-from ..domain import MarketplaceOffer, MarketplaceBid, OfferStatus
+from ..domain import MarketplaceOffer, MarketplaceBid
 from ..schemas import (
     MarketplaceBidRequest,
     MarketplaceOfferView,
@@ -62,7 +62,7 @@ class MarketplaceService:
 
     def get_stats(self) -> MarketplaceStatsView:
         offers = self.session.exec(select(MarketplaceOffer)).all()
-        open_offers = [offer for offer in offers if offer.status == OfferStatus.open]
+        open_offers = [offer for offer in offers if offer.status == "open"]
 
         total_offers = len(offers)
         open_capacity = sum(offer.capacity for offer in open_offers)

apps/coordinator-api/src/app/services/payments.py

@@ -6,11 +6,9 @@ import httpx
 import logging
 
 from ..domain.payment import JobPayment, PaymentEscrow
-from ..schemas.payments import (
+from ..schemas import (
     JobPaymentCreate, 
     JobPaymentView, 
-    PaymentStatus,
-    PaymentMethod,
     EscrowRelease,
     RefundRequest
 )
@@ -44,10 +42,10 @@ class PaymentService:
         self.session.refresh(payment)
         
         # For AITBC token payments, use token escrow
-        if payment_data.payment_method == PaymentMethod.AITBC_TOKEN:
+        if payment_data.payment_method == "aitbc_token":
             await self._create_token_escrow(payment)
         # Bitcoin payments only for exchange purchases
-        elif payment_data.payment_method == PaymentMethod.BITCOIN:
+        elif payment_data.payment_method == "bitcoin":
             await self._create_bitcoin_escrow(payment)
         
         return payment
@@ -61,7 +59,7 @@ class PaymentService:
                 response = await client.post(
                     f"{self.exchange_base_url}/api/v1/token/escrow/create",
                     json={
-                        "amount": payment.amount,
+                        "amount": float(payment.amount),
                         "currency": payment.currency,
                         "job_id": payment.job_id,
                         "timeout_seconds": 3600  # 1 hour
@@ -71,7 +69,7 @@ class PaymentService:
                 if response.status_code == 200:
                     escrow_data = response.json()
                     payment.escrow_address = escrow_data.get("escrow_id")
-                    payment.status = PaymentStatus.ESCROWED
+                    payment.status = "escrowed"
                     payment.escrowed_at = datetime.utcnow()
                     payment.updated_at = datetime.utcnow()
                     
@@ -92,7 +90,7 @@ class PaymentService:
                     
         except Exception as e:
             logger.error(f"Error creating token escrow: {e}")
-            payment.status = PaymentStatus.FAILED
+            payment.status = "failed"
             payment.updated_at = datetime.utcnow()
             self.session.commit()
     
@@ -104,7 +102,7 @@ class PaymentService:
                 response = await client.post(
                     f"{self.wallet_base_url}/api/v1/escrow/create",
                     json={
-                        "amount": payment.amount,
+                        "amount": float(payment.amount),
                         "currency": payment.currency,
                         "timeout_seconds": 3600  # 1 hour
                     }
@@ -113,7 +111,7 @@ class PaymentService:
                 if response.status_code == 200:
                     escrow_data = response.json()
                     payment.escrow_address = escrow_data["address"]
-                    payment.status = PaymentStatus.ESCROWED
+                    payment.status = "escrowed"
                     payment.escrowed_at = datetime.utcnow()
                     payment.updated_at = datetime.utcnow()
                     
@@ -134,7 +132,7 @@ class PaymentService:
                     
         except Exception as e:
             logger.error(f"Error creating Bitcoin escrow: {e}")
-            payment.status = PaymentStatus.FAILED
+            payment.status = "failed"
             payment.updated_at = datetime.utcnow()
             self.session.commit()
     
@@ -145,7 +143,7 @@ class PaymentService:
         if not payment or payment.job_id != job_id:
             return False
         
-        if payment.status != PaymentStatus.ESCROWED:
+        if payment.status != "escrowed":
             return False
         
         try:
@@ -161,7 +159,7 @@ class PaymentService:
                 
                 if response.status_code == 200:
                     release_data = response.json()
-                    payment.status = PaymentStatus.RELEASED
+                    payment.status = "released"
                     payment.released_at = datetime.utcnow()
                     payment.updated_at = datetime.utcnow()
                     payment.transaction_hash = release_data.get("transaction_hash")
@@ -195,7 +193,7 @@ class PaymentService:
         if not payment or payment.job_id != job_id:
             return False
         
-        if payment.status not in [PaymentStatus.ESCROWED, PaymentStatus.PENDING]:
+        if payment.status not in ["escrowed", "pending"]:
             return False
         
         try:
@@ -206,14 +204,14 @@ class PaymentService:
                     json={
                         "payment_id": payment_id,
                         "address": payment.refund_address,
-                        "amount": payment.amount,
+                        "amount": float(payment.amount),
                         "reason": reason
                     }
                 )
                 
                 if response.status_code == 200:
                     refund_data = response.json()
-                    payment.status = PaymentStatus.REFUNDED
+                    payment.status = "refunded"
                     payment.refunded_at = datetime.utcnow()
                     payment.updated_at = datetime.utcnow()
                     payment.refund_transaction_hash = refund_data.get("transaction_hash")