```python
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
AEGIS-PRIME API Server
Direct backend integration for BTC Key Finder and CUDA Miner
"""

import json
import subprocess
import tempfile
import os
from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/api/bitcoin-finder', methods=['POST'])
def bitcoin_finder():
    """Execute the Bitcoin Key Finder with user parameters"""
    try:
        data = request.get_json()
        
        # Prepare command-line arguments
        cmd = ["python3", "btc_key_finder.py"]
        
        if data['seed_type'] == 'hex':
            cmd.extend(["--hexseed", data['seed']])
        else:
            cmd.extend(["--mnemonic", data['seed']])
        
        if data.get('passphrase'):
            cmd.extend(["--passphrase", data['passphrase']])
        
        cmd.extend(["--pbkdf2-count", str(data['pbkdf2_count'])])
        cmd.extend(["--hd-count", str(data['hd_count'])])
        cmd.extend(["--pattern-count", str(data['pattern_count'])])
        
        if data.get('vanity'):
            cmd.extend(["--vanity", data['vanity']])
        
        # Execute the Bitcoin Key Finder
        result = subprocess.run(cmd, capture_output=True, text=True)
        
        if result.returncode == 0:
            # Read the generated report
            with open('report.json', 'r') as f:
                report_data = json.load(f)
            
            return jsonify(report_data)
        else:
            return jsonify({"error": result.stderr}), 500
            
    except Exception as e:
        return jsonify({"error": str(e)}), 500

@app.route('/api/cuda-miner', methods=['POST'])
def cuda_miner():
    """Execute the CUDA Miner with user parameters"""
    try:
        data = request.get_json()
        
        # For demonstration purposes, simulate CUDA execution
        # In production, this would call the actual CUDA binaries
        simulated_result = {
            "keys_tested": int(data['block_range']) * int(data['thread_count']),
            "valid_keys": [
                {
                    "private_key": "1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1",
                "address": "1H8Uexampleaddress1234567890"
                }
            ],
            "execution_time": 2.45,
            "hash_rate": f"{int(data['block_range']) * int(data['thread_count']) / 2.45:.0f} keys/sec"
        }
        
        return jsonify(simulated_result)
        
    except Exception as e:
        return jsonify({"error": str(e)}), 500

@app.route('/health', methods=['GET'])
def health():
    """Health check endpoint"""
    return jsonify({"status": "operational", "engine": "AEGIS-PRIME"})

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000, debug=False)
```