```

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/schemas/payments.py

@@ -4,32 +4,16 @@ from __future__ import annotations
 
 from datetime import datetime
 from typing import Optional, Dict, Any
-from enum import Enum
 
 from pydantic import BaseModel, Field
 
 
-class PaymentStatus(str, Enum):
-    """Payment status values"""
-    PENDING = "pending"
-    ESCROWED = "escrowed"
-    RELEASED = "released"
-    REFUNDED = "refunded"
-    FAILED = "failed"
-
-
-class PaymentMethod(str, Enum):
-    """Payment methods"""
-    AITBC_TOKEN = "aitbc_token"  # Primary method for job payments
-    BITCOIN = "bitcoin"  # Only for exchange purchases
-
-
 class JobPaymentCreate(BaseModel):
     """Request to create a payment for a job"""
     job_id: str
     amount: float
     currency: str = "AITBC"  # Jobs paid with AITBC tokens
-    payment_method: PaymentMethod = PaymentMethod.AITBC_TOKEN
+    payment_method: str = "aitbc_token"  # Primary method for job payments
     escrow_timeout_seconds: int = 3600  # 1 hour default
 
 
@@ -39,8 +23,8 @@ class JobPaymentView(BaseModel):
     payment_id: str
     amount: float
     currency: str
-    status: PaymentStatus
-    payment_method: PaymentMethod
+    status: str
+    payment_method: str
     escrow_address: Optional[str] = None
     refund_address: Optional[str] = None
     created_at: datetime
@@ -65,7 +49,7 @@ class PaymentReceipt(BaseModel):
     job_id: str
     amount: float
     currency: str
-    status: PaymentStatus
+    status: str
     transaction_hash: Optional[str] = None
     created_at: datetime
     verified_at: Optional[datetime] = None