Important

Enhances Roo provider pricing and usage handling by using parseApiPrice and introducing RooUsage for detailed usage data.

• Pricing Handling:
  • Replaces parseFloat with parseApiPrice for pricing fields in getRooModels() in fetchers/roo.ts.
• Usage Data:
  • Introduces RooUsage interface in roo.ts to extend OpenAI.CompletionUsage with cache_creation_input_tokens and cost.
  • Updates createMessage() in RooHandler to yield cacheWriteTokens, cacheReadTokens, and totalCost using RooUsage.
• Misc:
  • Adds RooUsage handling in RooHandler for more detailed usage reporting.

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