Update Qwen3-Omni error-analysis next steps

Add Qwen3-Omni held-out error analysis

Expose omni backbone extension contract

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Polish reader-facing project language

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards

Publish Ropedia Xperience-10M task baseline cards