feat: use the same permission flow for enable extensions (#2302)

crates/goose/src/providers/formats/anthropic.rs

@@ -60,9 +60,6 @@ pub fn format_messages(messages: &[Message]) -> Vec<Value> {
                 MessageContent::ToolConfirmationRequest(_tool_confirmation_request) => {
                     // Skip tool confirmation requests
                 }
-                MessageContent::ExtensionRequest(_extension_request) => {
-                    // Skip extension requests
-                }
                 MessageContent::Thinking(thinking) => {
                     content.push(json!({
                         "type": "thinking",

crates/goose/src/providers/formats/bedrock.rs

@@ -31,9 +31,6 @@ pub fn to_bedrock_message_content(content: &MessageContent) -> Result<bedrock::C
         MessageContent::ToolConfirmationRequest(_tool_confirmation_request) => {
             bedrock::ContentBlock::Text("".to_string())
         }
-        MessageContent::ExtensionRequest(_extension_request) => {
-            bedrock::ContentBlock::Text("".to_string())
-        }
         MessageContent::Image(_) => {
             bail!("Image content is not supported by Bedrock provider yet")
         }

crates/goose/src/providers/formats/databricks.rs

@@ -179,9 +179,6 @@ pub fn format_messages(messages: &[Message], image_format: &ImageFormat) -> Vec<
                 MessageContent::ToolConfirmationRequest(_) => {
                     // Skip tool confirmation requests
                 }
-                MessageContent::ExtensionRequest(_) => {
-                    // Skip enable extension requests
-                }
                 MessageContent::Image(image) => {
                     // Handle direct image content
                     content_array.push(json!({

crates/goose/src/providers/formats/openai.rs

@@ -147,9 +147,6 @@ pub fn format_messages(messages: &[Message], image_format: &ImageFormat) -> Vec<
                 MessageContent::ToolConfirmationRequest(_) => {
                     // Skip tool confirmation requests
                 }
-                MessageContent::ExtensionRequest(_) => {
-                    // Skip enable extension requests
-                }
                 MessageContent::Image(image) => {
                     // Handle direct image content
                     converted["content"] = json!([convert_image(image, image_format)]);