normalizeModel() turned bare aliases like 'haiku' into 'anthropic/haiku',
which is not a valid OpenCode model ID. This caused
ProviderModelNotFoundError when agents using model: haiku (e.g.
learnings-researcher, lint) were invoked during workflows like /plan.
Add CLAUDE_FAMILY_ALIASES map to resolve haiku, sonnet, and opus to their
full model IDs (e.g. anthropic/claude-haiku-4-5). A console.warn alerts
during conversion so the map can be updated when new versions release.
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