Fix P6 agent: add serde_yaml dep, make modules public for integration tests

products/06-runbook-automation/agent/src/main.rs

@@ -1,10 +1,10 @@
 use clap::{Parser, Subcommand};
 use tracing::info;
 
-mod parser;
-mod classifier;
-mod executor;
-mod audit;
+pub mod parser;
+pub mod classifier;
+pub mod executor;
+pub mod audit;
 
 #[derive(Parser)]
 #[command(name = "dd0c-run", version, about = "Runbook automation agent")]