v1.2.0

What's Changed

Added

• Register missing AI observability fields: ai_protocol, ai_mode, ai_audio_input_tokens,
  i_audio_output_tokens, ai_image_count`.
• Support ai_cache_read_tokens and ai_cache_write_tokens output fields.

Changed

• Update ai_apikeytags output format from array of objects to level-based object (level1~level5).
• Upgrade bfe-access-pb dependency from v0.2.0 to v0.3.4.
• Upgrade bfe dependency to v1.8.6.

Full Changelog: v1.1.0...v1.2.0