adds cache_control

crates/g3-config/src/lib.rs

@@ -40,6 +40,8 @@ pub struct AnthropicConfig {
     pub model: String,
     pub max_tokens: Option<u32>,
     pub temperature: Option<f32>,
+    pub cache_config: Option<String>, // "ephemeral", "5minute", "1hour", or None to disable
+    pub enable_1m_context: Option<bool>, // Enable 1m context window (costs extra)
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -49,6 +51,7 @@ pub struct DatabricksConfig {
     pub model: String,
     pub max_tokens: Option<u32>,
     pub temperature: Option<f32>,
+    pub cache_config: Option<String>, // "ephemeral", "5minute", "1hour", or None to disable
     pub use_oauth: Option<bool>, // Default to true if token not provided
 }
 
@@ -132,6 +135,7 @@ impl Default for Config {
                     model: "databricks-claude-sonnet-4".to_string(),
                     max_tokens: Some(4096),
                     temperature: Some(0.1),
+                    cache_config: None,
                     use_oauth: Some(true),
                 }),
                 embedded: None,