#7485 fix(models): refresh Anthropic catalog metadata

Summary

• Align Anthropic model lifecycle metadata with current provider status
• Refresh verified pricing timestamps and the Claude 3 Haiku cache threshold
• Regenerate agent stream docs and add catalog regression coverage

Type of Change

• Bug fix

Testing

• bun run lint
• bun run check:audits
• bun run type-check
• bun run --cwd apps/sim test -- providers/models.test.ts providers/anthropic/usage.test.ts "app/(landing)/models/utils.test.ts" lib/catalog/projection/projection-invariants.test.ts lib/catalog/projection/catalog-sweep.test.ts lib/copilot/vfs/serializers.test.ts

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)