fix(routing): score chat parts for auto lanes

[actus7]

Resumo

• corrige Smart Routing no chat lendo texto enviado em parts[].text
• calibra pisos de lane para prompts reais de código, comparação e arquitetura
• muda o provider virtual do modo auto para ModelHub mantendo o modelo Auto · Smart Routing

Testes

• pnpm test -- server/lib/routing/complexity-scorer.test.ts server/lib/routing/routing-resolver.test.ts server/tests/v1-auto-routing.test.ts lib/chat-utils.test.ts
• pnpm typecheck
• pnpm lint (passa com warning existente em .remember/tmp/last-ndc.ts)

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Project	Deployment	Actions	Updated (UTC)
modelhub	Ready	Preview, Comment	Jul 29, 2026 1:54pm

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