feat: persist GooseMode per-session via session DB (#7854)

Signed-off-by: Adrian Cole <adrian@tetrate.io>

crates/goose/tests/compaction.rs

@@ -2,6 +2,7 @@ use anyhow::Result;
 use async_trait::async_trait;
 use futures::StreamExt;
 use goose::agents::{Agent, AgentEvent, SessionConfig};
+use goose::config::GooseMode;
 use goose::conversation::message::{Message, MessageContent};
 use goose::conversation::Conversation;
 use goose::model::ModelConfig;
@@ -215,6 +216,7 @@ async fn setup_test_session(
             temp_dir.path().to_path_buf(),
             session_name.to_string(),
             SessionType::Hidden,
+            GooseMode::default(),
         )
         .await?;