feat(node-providers): implement openrouter provider

[calchiwo]

Add OpenRouter provider for the Node CLI.

Implements the provider using the OpenAI-compatible interface and integrates with the existing provider system.

Changes

• Implemented OpenRouterProvider

• Integrated provider into registry

• Enabled usage via --llm openrouter

• Added support for OpenRouter config in config.toml

Provider Behavior

• Requires api_key

• Requires model to be defined in config

• Uses OpenAI client with OpenRouter base URL

• Returns generated text from chat.completions.create

All OpenRouter-specific logic is contained within the provider.

Usage

explainthisrepo owner/repo --llm openrouter

Configuration

[llm]
provider = "openrouter"

[providers.openrouter]
api_key = "sk-or-..."
model = "openai/gpt-4o"

Notes

• No default model

• Supports any valid OpenRouter model (provider/model format)

• No changes to CLI or core generation pipeline were required

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Project	Deployment	Actions	Updated (UTC)
explainthisrepo	Ready	Preview, Comment	Mar 22, 2026 10:08pm