docs: Enhance MONOREPO_CONVERSION_PLAN.md with improved details

- Specify production-ready implementation details for sal-git
  package.
- Add a detailed code review and quality assurance process
  section.
- Include comprehensive success metrics and validation checklists
  for production readiness.
- Improve security considerations and risk mitigation strategies.
- Add stricter code review criteria based on sal-git's conversion.
- Update README with security configurations and environment
  variables.

git/tests/rhai/run_all_tests.rhai

@@ -80,12 +80,12 @@ try {
     failed += 1;
 }
 
-// Test 3: Git Error Handling
-print("\n--- Running Git Error Handling Tests ---");
+// Test 3: Git Error Handling and Real Functionality
+print("\n--- Running Git Error Handling and Real Functionality Tests ---");
 try {
     print("Testing git_clone with invalid URL...");
     try {
-        git_clone("invalid-url");
+        git_clone("invalid-url-format");
         print("!!! Expected error but got success");
         failed += 1;
     } catch(err) {
@@ -93,6 +93,28 @@ try {
         print("✓ git_clone properly handles invalid URLs");
     }
 
+    print("Testing git_clone with real repository...");
+    try {
+        let repo = git_clone("https://github.com/octocat/Hello-World.git");
+        let path = repo.path();
+        assert_true(path.len() > 0, "Repository path should not be empty");
+        print(`✓ git_clone successfully cloned repository to: ${path}`);
+
+        // Test repository operations
+        print("Testing repository operations...");
+        let has_changes = repo.has_changes();
+        print(`✓ Repository has_changes check: ${has_changes}`);
+
+    } catch(err) {
+        // Network issues or git not available are acceptable failures
+        if err.contains("Git error") || err.contains("command") || err.contains("Failed to clone") {
+            print(`Note: git_clone test skipped due to environment: ${err}`);
+        } else {
+            print(`!!! Unexpected error in git_clone: ${err}`);
+            failed += 1;
+        }
+    }
+
     print("Testing GitTree with invalid path...");
     try {
         let git_tree = git_tree_new("/invalid/nonexistent/path");