fix: add missing valid enum values to ground truth in live_simple and live_parallel

[octo-patch]

Fixes #1314

Problem

9 ground truth entries in live_simple and live_parallel categories reject valid model outputs that are allowed by the function schema:

cmd_controller.execute — unit param (4 entries in live_simple)

Entries: live_simple_141-94-0, live_simple_143-95-0, live_simple_156-95-13, live_simple_159-95-16

The unit parameter has enum: ["seconds", "milliseconds"] and default: "N/A". The ground truth only accepted "" or "N/A", rejecting "seconds" and "milliseconds" which are the valid enum values defined in the schema.

get_current_weather / get_snow_report — unit param (3 entries in live_parallel)

Entries: live_parallel_3-0-3, live_parallel_6-3-0, live_parallel_13-9-0

The unit parameter has enum: ["celsius", "fahrenheit"] and default: "fahrenheit". The ground truth only accepted "" or "fahrenheit", rejecting "celsius" — a valid enum value. Two of the three entries query locations in Celsius-speaking regions (Mexico in Spanish, France), making "celsius" a particularly reasonable choice.

Solution

• For cmd_controller.execute entries: added "seconds" and "milliseconds" to accepted values in ground truth
• For weather entries: added "celsius" to accepted values in ground truth

This is strictly additive — previously accepted values are unchanged, only missing valid enum values are added.

Testing

Verified the updated ground truth entries by re-reading the modified JSONL files and confirming all changes match the issue description.