Add synced question bookmarks

tests/bookmark_session_test.gd

@@ -0,0 +1,38 @@
+extends SceneTree
+
+var failures := 0
+
+
+func _initialize() -> void:
+	var service = load("res://scripts/autoload/block_session_service.gd").new()
+	var question := {
+		"id": "bookmark-test-question",
+		"system": "Test System",
+		"choices": [
+			{"id": "A", "text": "Correct"},
+			{"id": "B", "text": "Wrong"},
+			{"id": "C", "text": "Wrong"},
+			{"id": "D", "text": "Wrong"},
+			{"id": "E", "text": "Wrong"}
+		],
+		"correct_choice_id": "A"
+	}
+	_assert(service.start_bookmark_question(question), "bookmark session should start")
+	_assert(service.session_kind == "bookmark", "bookmark session should have its own kind")
+	var wrong: Dictionary = service.submit_bookmark_attempt("B", [], false)
+	_assert(not bool(wrong.get("is_correct", true)), "wrong bookmark attempts should remain retryable")
+	_assert(service.get_answer_for_index(0) == null, "wrong bookmark attempts should not finalize the question")
+	var correct: Dictionary = service.submit_bookmark_attempt("A", [], false)
+	_assert(bool(correct.get("is_correct", false)), "correct bookmark attempt should resolve")
+	_assert(service.get_answer_for_index(0) != null, "correct bookmark attempt should be retained for review")
+	var result: Dictionary = service.finish_block()
+	_assert(result.is_empty(), "bookmark sessions should not calculate progression rewards")
+	service.free()
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/bookmark_session_test.gd.uid

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

tests/shell_navigation_test.gd

@@ -17,6 +17,7 @@ func _initialize() -> void:
 	_assert(NavigationRoutes.key_for_screen("map") == "study_plan", "study map should activate Study Plan")
 	_assert(NavigationRoutes.key_for_screen("settings") == "settings", "settings should activate Settings")
 	_assert(NavigationRoutes.key_for_screen("notes") == "notes", "notes should activate Notes")
+	_assert(NavigationRoutes.key_for_screen("bookmarks") == "bookmarks", "bookmarks should activate Bookmarks")
 	quit(1 if failures > 0 else 0)