Add logging for discovery

crates/g3-planner/src/lib.rs

@@ -10,6 +10,9 @@ pub use code_explore::explore_codebase;
 
 use anyhow::Result;
 use g3_providers::{CompletionRequest, LLMProvider, Message, MessageRole};
+use chrono::Local;
+use std::fs::{self, OpenOptions};
+use std::io::Write;
 use prompts::{DISCOVERY_REQUIREMENTS_PROMPT, DISCOVERY_SYSTEM_PROMPT};
 
 /// Type alias for a status callback function
@@ -51,6 +54,9 @@ pub async fn get_initial_discovery_messages(
     // Step 1: Run explore_codebase to get the codebase report
     let codebase_report = explore_codebase(codebase_path);
 
+    // Write the codebase report to logs directory
+    write_code_report(&codebase_report)?;
+
     // Step 2: Build the prompt with the codebase report appended
     let user_prompt = if let Some(requirements) = requirements_text {
         format!(
@@ -90,6 +96,9 @@ pub async fn get_initial_discovery_messages(
 
     status(&format!("📋 Extracted {} discovery commands", shell_commands.len()));
 
+    // Write the discovery commands to logs directory
+    write_discovery_commands(&shell_commands)?;
+
     // Step 6: Format as tool messages
     let tool_messages = shell_commands
         .into_iter()
@@ -169,6 +178,58 @@ pub fn extract_summary(response: &str) -> Option<String> {
     }
 }
 
+/// Write the codebase report to logs directory
+fn write_code_report(report: &str) -> Result<()> {
+    // Ensure logs directory exists
+    fs::create_dir_all("logs")?;
+
+    // Generate timestamp in same format as tool_calls log
+    let timestamp = Local::now().format("%Y%m%d_%H%M%S").to_string();
+    let filename = format!("logs/code_report_{}.log", timestamp);
+
+    // Write the report to file
+    let mut file = OpenOptions::new()
+        .create(true)
+        .write(true)
+        .truncate(true)
+        .open(&filename)?;
+
+    file.write_all(report.as_bytes())?;
+    file.flush()?;
+
+    Ok(())
+}
+
+/// Write the discovery commands to logs directory
+fn write_discovery_commands(commands: &[String]) -> Result<()> {
+    // Ensure logs directory exists
+    fs::create_dir_all("logs")?;
+
+    // Generate timestamp in same format as tool_calls log
+    let timestamp = Local::now().format("%Y%m%d_%H%M%S").to_string();
+    let filename = format!("logs/discovery_commands_{}.log", timestamp);
+
+    // Write the commands to file
+    let mut file = OpenOptions::new()
+        .create(true)
+        .write(true)
+        .truncate(true)
+        .open(&filename)?;
+
+    // Write header
+    file.write_all(b"# Discovery Commands\n")?;
+    file.write_all(b"# Generated by g3-planner\n\n")?;
+
+    // Write each command on a separate line
+    for cmd in commands {
+        file.write_all(cmd.as_bytes())?;
+        file.write_all(b"\n")?;
+    }
+    file.flush()?;
+
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;