Create or Update Scene

Added value: +{
+  "default": false,
+  "description": "Activate the scene (scene.turn_on). Alone with scene_id it activates any scene entity, including integration and YAML scenes (pass their entity_id). With config or python_transform it runs after Home Assistant has reloaded scenes from the write.",
+  "type": "boolean"
+}

Previous value: -"Python expression to transform existing scene config. Mutually exclusive with config. Requires config_hash for validation. WARNING: Expressions with infinite loops will hang the server. Examples: Add entity: python_transform=\"config['entities']['light.bed'] = {'state': 'on'}\" Update brightness: python_transform=\"config['entities']['light.kitchen']['brightness'] = 50\" Remove entity: python_transform=\"del config['entities']['light.kitchen']\" \n\nPYTHON TRANSFORM SECURITY:\n\n✅ ALLOWED:\n- Dictionary/list access: config['views'][0]['cards'][1]\n- Slicing: config['views'][0]['cards'][1:3]\n- Assignment: config['key'] = 'value'\n- Deletion: del config['key'] or config.pop('key')\n- List methods: append, insert, pop, remove, clear, extend\n- Dict methods: update, get, setdefault, keys, values, items\n- Loops: for, if/else, pass, break, continue\n- Comprehensions: [x for x in ...], {k: v for ...}, (x for x in ...)\n- Ternary: x if condition else y\n- Iterable unpacking (* in calls/literals): f(*xs), [*xs, y]\n- Dict unpacking (**) in calls and dict literals: {**d, 'k': v}\n- Keyword arguments: func(key=value)\n- Lambdas (e.g. for `key=`): sorted(items, key=lambda x: x['score'])\n- String methods: startswith, endswith, lower, upper, strip, split, join, replace\n- Safe builtins: isinstance, len, range, enumerate, zip, sorted, reversed,\n  min, max, sum, abs, any, all, round, str, int, float, bool, list, dict,\n  tuple, set\n\n❌ FORBIDDEN:\n- Imports: import, from, __import__\n- File operations: open, read, write\n- Dunder access: __class__, __bases__, __subclasses__\n- Dangerous builtins: eval, exec, compile, getattr, setattr, delattr, hasattr\n- Function definitions: def, class\n- Exception handling: try/except (validate with isinstance/in/.get() instead)\n- While loops: use bounded for loops or comprehensions instead\n\n🎯 PATTERNS:\n- Filter cards: cards = [c for c in cards if keep(c)]\n- Skip in a loop: prefer `continue` over an empty `pass` branch (clearer)\n- Conditionally include: build a new list and `.append(x)` only the\n  cards you want, instead of iterating the original and using if/pass\n  branches to drop entries\n- Modify in place when possible (single pass, fewer surprises) over\n  reconstructing the entire list"New value: +"Python expression to transform existing scene config. Mutually exclusive with config. WARNING: Expressions with infinite loops will hang the server. Examples: Add entity: python_transform=\"config['entities']['light.bed'] = {'state': 'on'}\" Update brightness: python_transform=\"config['entities']['light.kitchen']['brightness'] = 50\" Remove entity: python_transform=\"del config['entities']['light.kitchen']\" \n\nPYTHON TRANSFORM SECURITY:\n\n✅ ALLOWED:\n- Dictionary/list access: config['views'][0]['cards'][1]\n- Slicing: config['views'][0]['cards'][1:3]\n- Assignment: config['key'] = 'value'\n- Deletion: del config['key'] or config.pop('key')\n- List methods: append, insert, pop, remove, clear, extend\n- Dict methods: update, get, setdefault, keys, values, items\n- Loops: for, if/else, pass, break, continue\n- Comprehensions: [x for x in ...], {k: v for ...}, (x for x in ...)\n- Ternary: x if condition else y\n- Iterable unpacking (* in calls/literals): f(*xs), [*xs, y]\n- Dict unpacking (**) in calls and dict literals: {**d, 'k': v}\n- Keyword arguments: func(key=value)\n- Lambdas (e.g. for `key=`): sorted(items, key=lambda x: x['score'])\n- String methods: startswith, endswith, lower, upper, strip, split, join, replace\n- Safe builtins: isinstance, len, range, enumerate, zip, sorted, reversed,\n  min, max, sum, abs, any, all, round, str, int, float, bool, list, dict,\n  tuple, set\n\n❌ FORBIDDEN:\n- Imports: import, from, __import__\n- File operations: open, read, write\n- Dunder access: __class__, __bases__, __subclasses__\n- Dangerous builtins: eval, exec, compile, getattr, setattr, delattr, hasattr\n- Function definitions: def, class\n- Exception handling: try/except (validate with isinstance/in/.get() instead)\n- While loops: use bounded for loops or comprehensions instead"

Previous value: -"Wait for scene to be queryable before returning. Default: True. Set to False for bulk operations."New value: +"Wait for scene to be queryable before returning. Set to False for bulk operations."