Add waiting system application files

- Add main application files (main.py, models.py, schemas.py, etc.)
- Add routers for all features (waiting, attendance, members, etc.)
- Add HTML templates for admin and user interfaces
- Add migration scripts and utility files
- Add Docker configuration
- Add documentation files
- Add .gitignore to exclude database and cache files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

test_realtime_updates.py

@@ -0,0 +1,110 @@
+import requests
+import json
+from datetime import date
+
+# Test configuration
+BASE_URL = "http://localhost:8000"
+STORE_CODE = "gangseo"  # 강서점 (Franchise 1의 매장)
+TEST_PHONE = "01099998888"  # No hyphens
+FRANCHISE_ID = 1  # Admin user's franchise
+
+def get_store_token():
+    """Get store token for API calls"""
+    response = requests.post(
+        f"{BASE_URL}/api/auth/login",
+        data={
+            "username": "admin",  # Franchise admin
+            "password": "admin123"
+        }
+    )
+    if response.status_code == 200:
+        return response.json()["access_token"]
+    else:
+        print(f"Login failed: {response.status_code}")
+        print(response.text)
+        return None
+
+def register_waiting(token):
+    """Register a new waiting entry"""
+    headers = {
+        "Authorization": f"Bearer {token}",
+        "Content-Type": "application/json"
+    }
+    
+    data = {
+        "phone": TEST_PHONE,
+        "name": "테스트사용자",
+        "party_size": 1
+    }
+    
+    print(f"\n=== Registering waiting entry ===")
+    print(f"Phone: {TEST_PHONE}")
+    print(f"Store: {STORE_CODE}")
+    
+    response = requests.post(
+        f"{BASE_URL}/api/waiting/register?store={STORE_CODE}",
+        headers=headers,
+        json=data
+    )
+    
+    print(f"\nResponse Status: {response.status_code}")
+    if response.status_code == 200:
+        result = response.json()
+        print(f"Success! Waiting Number: {result.get('waiting_number')}")
+        print(f"Class: {result.get('class_name')}")
+        print(json.dumps(result, indent=2, ensure_ascii=False))
+        return result
+    else:
+        print(f"Failed: {response.text}")
+        return None
+
+def check_sse_connection():
+    """Check if SSE endpoint is accessible"""
+    token = get_store_token()
+    if not token:
+        return
+    
+    headers = {
+        "Authorization": f"Bearer {token}"
+    }
+    
+    print(f"\n=== Checking SSE endpoint ===")
+    url = f"{BASE_URL}/api/franchise/stats/{FRANCHISE_ID}/sse/stream"
+    print(f"SSE URL: {url}")
+    
+    try:
+        # Just check if the endpoint responds (don't actually stream)
+        response = requests.get(url, headers=headers, stream=True, timeout=2)
+        print(f"SSE endpoint status: {response.status_code}")
+        if response.status_code == 200:
+            print("✓ SSE endpoint is accessible")
+        else:
+            print(f"✗ SSE endpoint returned error: {response.text}")
+    except requests.exceptions.Timeout:
+        print("✓ SSE endpoint is streaming (timeout is expected)")
+    except Exception as e:
+        print(f"✗ Error accessing SSE endpoint: {e}")
+
+if __name__ == "__main__":
+    print("=== Testing Real-time Dashboard Updates ===")
+    
+    # Step 1: Check SSE connection
+    check_sse_connection()
+    
+    # Step 2: Get token
+    token = get_store_token()
+    if not token:
+        print("Failed to get token")
+        exit(1)
+    
+    # Step 3: Register waiting entry
+    result = register_waiting(token)
+    
+    if result:
+        print("\n=== Test Complete ===")
+        print("Now check the dashboard at:")
+        print(f"{BASE_URL}/admin?franchise_id={FRANCHISE_ID}")
+        print("The statistics should update automatically.")
+        print("\nOpen browser console (F12) to see SSE event logs.")
+    else:
+        print("\n=== Test Failed ===")