[globals] Fix handling of string booleans in yaml (#14447)

esphome/components/globals/__init__.py

@@ -51,7 +51,7 @@ _RESTORING_SCHEMA = cv.Schema(
 
 def _globals_schema(config: ConfigType) -> ConfigType:
     """Select schema based on restore_value setting."""
-    if config.get(CONF_RESTORE_VALUE, False):
+    if cv.boolean(config.get(CONF_RESTORE_VALUE, False)):
         return _RESTORING_SCHEMA(config)
     return _NON_RESTORING_SCHEMA(config)
 

tests/components/globals/common.yaml

@@ -27,3 +27,14 @@ globals:
     type: bool
     restore_value: false
     initial_value: "false"
+  # Test restore_value with string "false" - should be converted to bool false
+  - id: glob_no_restore_string_false
+    type: int
+    restore_value: "false"
+    initial_value: "42"
+  # Test restore_value with string "true" - should be converted to bool true
+  - id: glob_restore_string_true
+    type: int
+    restore_value: "true"
+    initial_value: "99"
+    update_interval: 5s