[BUG] Arbitration Resolution Always Picks First Response (Stub Methods)

[shrixtacy]

Description

All three resolution methods in ConcreteArbitrationLayer are stubs that always return the first response ID:

• _resolve_content_contradiction → conflict.response_ids[0]
• _resolve_confidence_conflict → conflict.response_ids[0]
• _resolve_quality_conflict → conflict.response_ids[0]

They never compare actual response quality, confidence scores, or content.

Component

ai_council/arbitration/layer.py:246-274

How to Reproduce

Run a BEST_QUALITY query with 2+ models. Even if model B has higher confidence, model A's response is always chosen in conflict resolution.

[github-actions]

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[sm-28601]

Hi @shrixtacy , I would like to fix this issue .