feat(orchestrator): combine KG and keyword routing as first-class signals#779
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AlexMikhalev merged 1 commit intomainfrom Apr 9, 2026
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…nals Refs #525 - Rewrite decide_route() to collect candidates from all sources (KG, keyword, static) - Score candidates with source-weighted confidence instead of cascade fallback - Add CombinedKgKeyword source when both signals agree on the same model - Add dominant_signal field to RoutingDecision for audit/rationale - 13 new/updated tests covering KG-only, keyword-only, mixed, and no-signal cases - All 384 orchestrator tests pass, clippy clean
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…nals Refs #525 (#779) - Rewrite decide_route() to collect candidates from all sources (KG, keyword, static) - Score candidates with source-weighted confidence instead of cascade fallback - Add CombinedKgKeyword source when both signals agree on the same model - Add dominant_signal field to RoutingDecision for audit/rationale - 13 new/updated tests covering KG-only, keyword-only, mixed, and no-signal cases - All 384 orchestrator tests pass, clippy clean Co-authored-by: Terraphim CI <alex@terraphim.ai>
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Summary
RoutingDecisionEngine::decide_route()to collect candidates from KG, keyword, and static sources simultaneously instead of cascade fallbackCombinedKgKeywordsource type when both KG and keyword signals agree on the same modeldominant_signalfield toRoutingDecisionfor audit/rationale trackingAcceptance Criteria (from #525)
Tests
Refs #525 (Gitea)