fix(network): prevent null multiplayer peer crashes offline/teardown and fix Nakama RPC session validation

addons/godot_ai/testing/script_error_capture.gd

@@ -3,9 +3,7 @@ extends Logger
 
 ## Captures GDScript runtime errors emitted while a test is running.
 ##
-## Deliberately no class_name: this script is compiled dynamically by
-## script_error_capture_loader.gd only when Logger exists. It lives in a
-## `.gdignore`d folder so older Godot editor scans never parse `extends Logger`.
+## Deliberately no class_name: this is an internal test helper.
 ##
 ## Only ERROR_TYPE_SCRIPT is captured. push_error(), push_warning(), and
 ## engine-internal ERR_FAIL_* checks are often valid negative-path assertions and

addons/godot_ai/testing/script_error_capture.gd.uid

@@ -0,0 +1 @@
+uid://crk8w2nei087v

addons/godot_ai/testing/script_error_capture_loader.gd

@@ -1,26 +0,0 @@
-@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()

addons/godot_ai/testing/script_error_capture_loader.gd.uid

@@ -1 +0,0 @@
-uid://pmtc07go8ty4

addons/godot_ai/testing/test_runner.gd

@@ -5,17 +5,17 @@ extends RefCounted
 ## Lightweight test runner for MCP plugin tests. Discovers test_* methods
 ## on McpTestSuite instances, runs them, and collects structured results.
 
-const ScriptErrorCaptureLoader := preload("res://addons/godot_ai/testing/script_error_capture_loader.gd")
+const ScriptErrorCapture := preload("res://addons/godot_ai/testing/script_error_capture.gd")
 
 var _results: Array[Dictionary] = []
 var _last_run_ms: int = 0
-var _script_error_capture: Object = null
+var _script_error_capture: ScriptErrorCapture = null
 var _capture_registered := false
 
 
 func _notification(what: int) -> void:
 	if what == NOTIFICATION_PREDELETE and _capture_registered and _script_error_capture != null:
-		OS.call("remove_logger", _script_error_capture)
+		OS.remove_logger(_script_error_capture)
 		_capture_registered = false
 
 
@@ -173,10 +173,10 @@ func _register_capture() -> void:
 	if _capture_registered:
 		return
 	if _script_error_capture == null:
-		_script_error_capture = ScriptErrorCaptureLoader.build()
+		_script_error_capture = ScriptErrorCapture.new()
 	if _script_error_capture == null:
 		return
-	OS.call("add_logger", _script_error_capture)
+	OS.add_logger(_script_error_capture)
 	_capture_registered = true
 
 
@@ -186,19 +186,19 @@ func _unregister_capture() -> void:
 	if _script_error_capture == null:
 		_capture_registered = false
 		return
-	OS.call("remove_logger", _script_error_capture)
+	OS.remove_logger(_script_error_capture)
 	_capture_registered = false
 
 
 func _begin_script_error_capture() -> void:
 	if _script_error_capture != null and _capture_registered:
-		_script_error_capture.call("begin_capture")
+		_script_error_capture.begin_capture()
 
 
 func _end_script_error_capture() -> PackedStringArray:
 	if _script_error_capture == null or not _capture_registered:
 		return PackedStringArray()
-	return _script_error_capture.call("end_capture") as PackedStringArray
+	return _script_error_capture.end_capture()
 
 
 static func _edited_scene_root() -> Node:

addons/godot_ai/testing/test_suite.gd

@@ -124,14 +124,14 @@ func skip_suite(reason: String) -> void:
 
 
 ## Mark the current test as skipped when the running Godot is older than
-## `min_version` (a "major.minor" string like "4.4"). Use for tests that
+## `min_version` (a "major.minor" string like "4.6"). Use for tests that
 ## exercise an engine API or behavior that only exists on newer Godot.
 ## Returns true when the test was skipped, so callers can `return` from
 ## the test body.
 ##
 ## Example:
-##     func test_uses_44_only_api() -> void:
-##         if skip_on_godot_lt("4.4", "Engine.capture_script_backtraces is 4.4+"):
+##     func test_uses_46_only_api() -> void:
+##         if skip_on_godot_lt("4.6", "example API requires Godot 4.6+"):
 ##             return
 ##         ...
 func skip_on_godot_lt(min_version: String, reason: String = "") -> bool: