upgrade model versions; drop support for deepinfra

[tiye]

No description provided.

[Copilot]

Pull Request Overview

This pull request upgrades model versions across the codebase and removes support for the Deepinfra AI provider. The changes focus on updating to newer versions of Gemini and other AI models while simplifying the provider selection interface.

• Upgraded Gemini models from older versions to "2.5" variants and "flash-latest"
• Updated OpenRouter model references to newer versions (Claude 4.5, GPT 5, DeepSeek v3.1)
• Removed Deepinfra provider support entirely, including its function and menu entries

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
compact.cirru	Removed complete Deepinfra function implementation and updated model version strings
calcit.cirru	Removed Deepinfra function definition, updated model menu options and version mappings

Comments suppressed due to low confidence (4)

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