Function schema

crates/opencode-provider/src/transform.rs:1384–1397

Sanitize a JSON schema for Gemini/Google models. - Convert integer enums to string enums - Recursive sanitization of nested objects/arrays - Filter required array to only include fields in properties - Remove properties/required from non-object types - Handle empty array items

(model: &models::ModelInfo, input_schema: serde_json::Value)

/// - Remove properties/required from non-object types
/// - Handle empty array items
pub fn schema(model: &models::ModelInfo, input_schema: serde_json::Value) -> serde_json::Value {
    let provider_id = model.id.to_lowercase();
    let api_id = model
        .provider
        .as_ref()
        .and_then(|p| p.api.as_deref())
        .unwrap_or("");

    if provider_id == "google" || api_id.contains("gemini") {
        sanitize_gemini(input_schema)
    } else {
        input_schema
    }
}

fn sanitize_gemini(obj: serde_json::Value) -> serde_json::Value {
    use serde_json::{json, Map, Value};