feat: Add Rhai scripting support

- Add new `sal-rhai` crate for Rhai scripting integration
- Integrate Rhai with existing SAL modules
- Improve error handling for Rhai scripts and SAL functions
- Add comprehensive unit and integration tests for `sal-rhai`

text/tests/rhai_integration_tests.rs

@@ -69,7 +69,7 @@ mod rhai_integration_tests {
         let script = r#"
             let unsafe_name = "User's File [Draft].txt";
             let result = name_fix(unsafe_name);
-            return result == "users_file_draft_.txt";
+            return result == "user_s_file_draft_.txt";
         "#;
 
         let result: Result<bool, Box<EvalAltResult>> = engine.eval(script);
@@ -84,7 +84,7 @@ mod rhai_integration_tests {
         let script = r#"
             let unsafe_path = "/path/to/User's File.txt";
             let result = path_fix(unsafe_path);
-            return result == "/path/to/users_file.txt";
+            return result == "/path/to/user_s_file.txt";
         "#;
 
         let result: Result<bool, Box<EvalAltResult>> = engine.eval(script);
@@ -98,7 +98,7 @@ mod rhai_integration_tests {
 
         let script = r#"
             let builder = text_replacer_builder();
-            return type_of(builder) == "sal_text::replace::TextReplacerBuilder";
+            return type_of(builder) == "TextReplacerBuilder";
         "#;
 
         let result: Result<bool, Box<EvalAltResult>> = engine.eval(script);
@@ -133,13 +133,13 @@ mod rhai_integration_tests {
 
         let script = r#"
             let builder = text_replacer_builder();
-            builder = pattern(builder, r"\d+");
+            builder = pattern(builder, "\\d+");
             builder = replacement(builder, "NUMBER");
             builder = regex(builder, true);
-            
+
             let replacer = build(builder);
             let result = replace(replacer, "There are 123 items");
-            
+
             return result == "There are NUMBER items";
         "#;
 
@@ -158,7 +158,7 @@ mod rhai_integration_tests {
             builder = replacement(builder, "universe");
             builder = regex(builder, false);
             builder = and(builder);
-            builder = pattern(builder, r"\d+");
+            builder = pattern(builder, "\\d+");
             builder = replacement(builder, "NUMBER");
             builder = regex(builder, true);
             
@@ -328,7 +328,7 @@ mod rhai_integration_tests {
             let dedented_code = dedent(indented_code);
 
             let results = [];
-            results.push(safe_filename == "users_script_draft_.py");
+            results.push(safe_filename == "user_s_script_draft_.py");
             results.push(dedented_code.contains("def hello():"));
 
             return results;