Add support for proxying models from kilocode CLI

[benzntech]

Summary

Add support for Kilo API (https://api.kilo.ai) which provides access to multiple free models including z-ai/glm-4.7:free.

Background

Kilo API is an OpenRouter-compatible API that can be used directly without the CLI. It provides free access to multiple models.

Quick Test

# List models
curl https://api.kilo.ai/api/openrouter/models

# Chat completion with free model
curl -X POST https://api.kilo.ai/api/openrouter/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer anonymous" \
  -H "User-Agent: kilo/1.0.14" \
  -d '{
    "model": "z-ai/glm-4.7:free",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 100
  }'

Available Free Models

• minimax/minimax-m2.1:free
• z-ai/glm-4.7:free
• arcee-ai/trinity-large-preview:free
• openrouter/free
• stepfun/step-3.5-flash:free

API Details

• Base URL: https://api.kilo.ai/api/openrouter
• Format: OpenAI/OpenRouter compatible
• Authentication: Authorization: Bearer anonymous (for free access) or valid token
• Headers Required:
  • User-Agent: kilo/1.0.14 (or similar)
  • Content-Type: application/json

Feature Request

1. Add Kilo Provider to CLIProxyAPI

provider: kilo
baseURL: https://api.kilo.ai/api/openrouter
apiKey: anonymous
format: openai-compatible

2. Model Discovery

• GET /v1/models → Proxy to https://api.kilo.ai/api/openrouter/models

3. Chat Completions

• POST /v1/chat/completions → Proxy to Kilo API
• Add required headers

Implementation Example

// In CLIProxyAPI provider registry
type KiloProvider struct {
    baseURL string
    apiKey  string
}

func (k *KiloProvider) ListModels() ([]Model, error) {
    resp, err := http.Get(k.baseURL + "/models")
    // ...
}

func (k *KiloProvider) ChatCompletion(req ChatRequest) (*ChatResponse, error) {
    headers := map[string]string{
        "Authorization": "Bearer " + k.apiKey,
        "User-Agent":    "cli-proxy-api/1.0",
        "Content-Type":  "application/json",
    }
    // ...
}

Priority

High - Direct API access confirmed working with free models

Additional Resources

• API: https://api.kilo.ai/api/openrouter
• Source: https://github.com/Kilo-Org/kilo

[detroittommy879]

I added kilocode w/auth & made a pull request.