Function extract_fallback_summary

src/apps/cli/src/chat_state.rs:940–987

Extract a human-readable summary from a tool result JSON Value. Used as fallback when `display_summary` is not provided (e.g. MCP tools, old data).

(result: &serde_json::Value)

/// Extract a human-readable summary from a tool result JSON Value.
/// Used as fallback when `display_summary` is not provided (e.g. MCP tools, old data).
fn extract_fallback_summary(result: &serde_json::Value) -> String {
    if let Some(obj) = result.as_object() {
        // Try common text fields first
        for key in &[
            "display_summary",
            "result_for_assistant",
            "output",
            "result",
            "content",
            "message",
        ] {
            if let Some(text) = obj.get(*key).and_then(|v| v.as_str()) {
                if !text.is_empty() && text.len() < 200 {
                    return text.to_string();
                } else if !text.is_empty() {
                    let truncated: String = text.chars().take(200).collect();
                    return format!("{}...", truncated);
                }
            }
        }

        // Try success field
        if let Some(true) = obj.get("success").and_then(|v| v.as_bool()) {
            return "Done".to_string();
        }

        // Try extracting key parameter values
        let priority_keys = ["path", "file_path", "query", "pattern", "command", "url"];
        for key in &priority_keys {
            if let Some(s) = obj.get(*key).and_then(|v| v.as_str()) {
                if !s.is_empty() && s.len() < 100 {
                    return s.to_string();
                }
            }
        }
    }

    // If it's a plain string
    if let Some(text) = result.as_str() {
        if text.len() < 200 {
            return text.to_string();
        }
        let truncated: String = text.chars().take(200).collect();
        return format!("{}...", truncated);
    }

    "Done".to_string()
}

/// Extract a short title from tool parameters for subagent progress display.
/// Returns a concise description like the file path, command, or query.