refactor: enhance test framework with automated resource tracking and scripted error capture capabilities

addons/godot_ai/testing/script_error_capture_loader.gd

@@ -0,0 +1,26 @@
+@tool
+extends RefCounted
+
+## Builds the Logger-based test script-error capture lazily.
+##
+## Logger exists only on newer Godot versions. The capture implementation lives
+## under a `.gdignore`d folder and is compiled from source only after the runner
+## verifies the Logger API is present, so older editor scans do not parse an
+## `extends Logger` file and emit red startup errors.
+
+const SCRIPT_ERROR_CAPTURE_PATH := "res://addons/godot_ai/testing/loggers/script_error_capture.gd"
+
+
+static func build() -> Object:
+	if not ClassDB.class_exists("Logger") or not OS.has_method("add_logger"):
+		return null
+	if not FileAccess.file_exists(SCRIPT_ERROR_CAPTURE_PATH):
+		return null
+	var source := FileAccess.get_file_as_string(SCRIPT_ERROR_CAPTURE_PATH)
+	if source.is_empty():
+		return null
+	var script := GDScript.new()
+	script.source_code = source
+	if script.reload() != OK:
+		return null
+	return script.new()