Replace dasher-pack with unified animation-pack using original Blender bone names

addons/godot_ai/handlers/api_handler.gd

@@ -0,0 +1,89 @@
+@tool
+extends RefCounted
+
+## Read-only access to version-correct Godot class metadata.
+
+const ErrorCodes := preload("res://addons/godot_ai/utils/error_codes.gd")
+const ClassIntrospection := preload("res://addons/godot_ai/utils/class_introspection.gd")
+const FuzzySuggestions := preload("res://addons/godot_ai/utils/fuzzy_suggestions.gd")
+
+func get_class_info(params: Dictionary) -> Dictionary:
+	var requested_class: String = params.get("class_name", "")
+	if requested_class.is_empty():
+		return ErrorCodes.make(
+			ErrorCodes.MISSING_REQUIRED_PARAM,
+			"Missing required param: class_name"
+		)
+	if not ClassDB.class_exists(requested_class):
+		var script_class := _global_script_class(requested_class)
+		if not script_class.is_empty():
+			return _script_class_error(requested_class, script_class)
+		return _unknown_class_error(requested_class)
+	if params.has("limit") and int(params.get("limit")) < 0:
+		return ErrorCodes.make(
+			ErrorCodes.INVALID_PARAMS,
+			"limit must be >= 0; use limit=0 only when an unlimited section is needed"
+		)
+	var section_check := ClassIntrospection.validate_sections(
+		params.get("sections", ClassIntrospection.DEFAULT_SECTIONS)
+	)
+	if not section_check.invalid.is_empty():
+		return _invalid_sections_error(section_check.invalid)
+	return {"data": ClassIntrospection.build(requested_class, params)}
+
+
+static func _unknown_class_error(requested_class: String) -> Dictionary:
+	var suggestions := _suggest_classes(requested_class)
+	var message := "Unknown Godot class: %s" % requested_class
+	if not suggestions.is_empty():
+		message += ". Did you mean: %s?" % ", ".join(suggestions)
+	var result := ErrorCodes.make(ErrorCodes.VALUE_OUT_OF_RANGE, message)
+	result["error"]["data"] = {"suggestions": suggestions}
+	return result
+
+
+static func _suggest_classes(requested_class: String) -> Array[String]:
+	return FuzzySuggestions.rank(requested_class, ClassDB.get_class_list())
+
+
+static func _global_script_class(requested_class: String) -> Dictionary:
+	for raw_info in ProjectSettings.get_global_class_list():
+		var info: Dictionary = raw_info
+		if info.get("class", "") == requested_class:
+			return info
+	return {}
+
+
+static func _script_class_error(requested_class: String, script_class: Dictionary) -> Dictionary:
+	var path := str(script_class.get("path", ""))
+	var base := str(script_class.get("base", ""))
+	var message := (
+		"%s is a project script class, not a ClassDB class. "
+		+ "Use script_manage(op=\"find_symbols\", params={\"path\": \"%s\"}) for script symbols."
+	) % [requested_class, path]
+	var result := ErrorCodes.make(ErrorCodes.WRONG_TYPE, message)
+	result["error"]["data"] = {
+		"script_class": true,
+		"class_name": requested_class,
+		"base_class": base,
+		"path": path,
+	}
+	return result
+
+
+static func _invalid_sections_error(invalid_sections: Array[String]) -> Dictionary:
+	var suggestions := {}
+	for section in invalid_sections:
+		suggestions[section] = FuzzySuggestions.rank(
+			section,
+			ClassIntrospection.KNOWN_SECTIONS,
+			3,
+			0.3
+		)
+	var message := "Unknown class-info section(s): %s. Valid sections: %s" % [
+		", ".join(invalid_sections),
+		", ".join(ClassIntrospection.KNOWN_SECTIONS),
+	]
+	var result := ErrorCodes.make(ErrorCodes.INVALID_PARAMS, message)
+	result["error"]["data"] = {"suggestions": suggestions}
+	return result