chore(security): enhance environment configuration, CI workflows, and wallet daemon with security improvements

- Restructure .env.example with security-focused documentation, service-specific environment file references, and AWS Secrets Manager integration
- Update CLI tests workflow to single Python 3.13 version, add pytest-mock dependency, and consolidate test execution with coverage
- Add comprehensive security validation to package publishing workflow with manual approval gates, secret scanning, and release

tests/cli/test_cli_integration.py

@@ -6,5 +6,26 @@ then patches httpx.Client so every CLI command's HTTP call is routed
 through the ASGI transport instead of making real network requests.
 """
 
+import pytest
 import sys
-f
+from pathlib import Path
+from unittest.mock import Mock, patch
+from click.testing import CliRunner
+from aitbc_cli.main import cli
+
+
+class TestCLIIntegration:
+    """Test CLI integration with coordinator"""
+    
+    def test_cli_help(self):
+        """Test CLI help command"""
+        runner = CliRunner()
+        result = runner.invoke(cli, ['--help'])
+        assert result.exit_code == 0
+        assert 'aitbc' in result.output.lower()
+    
+    def test_config_show(self):
+        """Test config show command"""
+        runner = CliRunner()
+        result = runner.invoke(cli, ['config-show'])
+        assert result.exit_code == 0