fix: corrected C# tree-sitter query

Author: mubeen-zulfiqar

src/services/tree-sitter/queries/c-sharp.ts

@@ -4,63 +4,64 @@ C# Tree-Sitter Query Patterns
 export default `
 ; Using directives
 (using_directive) @definition.using
-
+ 
 ; Namespace declarations (including file-scoped)
+; Support both simple names (TestNamespace) and qualified names (My.Company.Module)
 (namespace_declaration
   name: (qualified_name) @name) @definition.namespace
+(namespace_declaration
+  name: (identifier) @name) @definition.namespace
 (file_scoped_namespace_declaration
   name: (qualified_name) @name) @definition.namespace
-
+(file_scoped_namespace_declaration
+  name: (identifier) @name) @definition.namespace
+ 
 ; Class declarations (including generic, static, abstract, partial, nested)
 (class_declaration
   name: (identifier) @name) @definition.class
-
+ 
 ; Interface declarations
 (interface_declaration
   name: (identifier) @name) @definition.interface
-
+ 
 ; Struct declarations
 (struct_declaration
   name: (identifier) @name) @definition.struct
-
+ 
 ; Enum declarations
 (enum_declaration
   name: (identifier) @name) @definition.enum
-
+ 
 ; Record declarations
 (record_declaration
   name: (identifier) @name) @definition.record
-
+ 
 ; Method declarations (including async, static, generic)
 (method_declaration
   name: (identifier) @name) @definition.method
-
+ 
 ; Property declarations
 (property_declaration
   name: (identifier) @name) @definition.property
-
+ 
 ; Event declarations
 (event_declaration
   name: (identifier) @name) @definition.event
-
+ 
 ; Delegate declarations
 (delegate_declaration
   name: (identifier) @name) @definition.delegate
-
+ 
 ; Attribute declarations
 (attribute
   name: (identifier) @name) @definition.attribute
-
+ 
 ; Generic type parameters
 (type_parameter
   name: (identifier) @name) @definition.type_parameter
-
-; Field declarations
-(field_declaration
-  (variable_declaration
-    (variable_declarator
-      name: (identifier) @name))) @definition.field
-
+ 
 ; LINQ expressions
 (query_expression) @definition.linq_expression
 `
+ 
+