feat: restore agent sessions

refs #233

2 files changed, 45 insertions, 0 deletions

diff --git a/src/config/io.rs b/src/config/io.rs
index fe415d1c..2c6d78ab 100644
--- a/src/config/io.rs
+++ b/src/config/io.rs
@@ -175,6 +175,14 @@ fn load_live_config_from_str(content: &str) -> Result<LoadedConfig, Vec<String>>
     );
     load_live_section(
         table,
+        "session",
+        "session config",
+        &mut diagnostics,
+        &mut invalid_sections,
+        |section| config.session = section,
+    );
+    load_live_section(
+        table,
         "ui",
         "ui config",
         &mut diagnostics,
@@ -464,6 +472,21 @@ mod tests {
     }
 
     #[test]
+    fn load_live_config_parses_session_section() {
+        let loaded = load_live_config_from_str(
+            r#"
+[session]
+resume_agents_on_restore = true
+"#,
+        )
+        .unwrap();
+
+        assert!(loaded.config.session.resume_agents_on_restore);
+        assert!(loaded.diagnostics.is_empty());
+        assert!(loaded.invalid_sections.is_empty());
+    }
+
+    #[test]
     fn remove_keybinding_config_sections_removes_keys_tables_only() {
         let content = r#"onboarding = false
 
diff --git a/src/config/model.rs b/src/config/model.rs
index 68a55b0f..8894b300 100644
--- a/src/config/model.rs
+++ b/src/config/model.rs
@@ -72,6 +72,14 @@ pub struct TerminalConfig {
     pub new_cwd: NewTerminalCwdConfig,
 }
 
+#[derive(Debug, Default, Deserialize)]
+#[serde(default)]
+pub struct SessionConfig {
+    /// Resume supported AI-agent panes into their native conversation sessions
+    /// when restoring a Herdr session. Default: false.
+    pub resume_agents_on_restore: bool,
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
 #[serde(rename_all = "snake_case")]
 pub enum ConfigReloadStatus {
@@ -105,6 +113,7 @@ pub struct Config {
     pub onboarding: Option<bool>,
     pub theme: ThemeConfig,
     pub terminal: TerminalConfig,
+    pub session: SessionConfig,
     pub keys: KeysConfig,
     pub ui: UiConfig,
     pub worktrees: WorktreesConfig,
@@ -490,6 +499,19 @@ new_cwd = "~/Projects"
     }
 
     #[test]
+    fn resume_agents_on_restore_defaults_off_and_parses() {
+        let default_config = Config::default();
+        assert!(!default_config.session.resume_agents_on_restore);
+
+        let toml = r#"
+[session]
+resume_agents_on_restore = true
+"#;
+        let config: Config = toml::from_str(toml).unwrap();
+        assert!(config.session.resume_agents_on_restore);
+    }
+
+    #[test]
     fn agent_panel_scope_config_parses() {
         let toml = r#"
 [ui]