1 files changed, 216 insertions, 0 deletions
diff --git a/src/config/model.rs b/src/config/model.rs
new file mode 100644
index 00000000..70eede5a
--- /dev/null
+++ b/src/config/model.rs
@@ -0,0 +1,216 @@
+use serde::Deserialize;
+
+use super::{CommandKeybindConfig, SoundConfig, ThemeConfig, DEFAULT_SCROLLBACK_LIMIT_BYTES};
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(default)]
+pub struct ToastConfig {
+    pub enabled: bool,
+}
+
+#[derive(Debug, Default, Deserialize)]
+#[serde(default)]
+pub struct Config {
+    pub onboarding: Option<bool>,
+    pub theme: ThemeConfig,
+    pub keys: KeysConfig,
+    pub ui: UiConfig,
+    pub advanced: AdvancedConfig,
+}
+
+#[derive(Debug)]
+pub struct LoadedConfig {
+    pub config: Config,
+    pub diagnostics: Vec<String>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(default)]
+pub struct KeysConfig {
+    /// Prefix key to toggle navigate mode (e.g. "ctrl+b", "f12", "esc").
+    pub prefix: String,
+    /// Create a new workspace. Default: "n"
+    pub new_workspace: String,
+    /// Rename the selected workspace. Default: "shift+n"
+    pub rename_workspace: String,
+    /// Close the selected workspace. Default: "shift+d"
+    pub close_workspace: String,
+    /// Optional explicit detach shortcut in server/client mode. Unset by default.
+    pub detach: String,
+    /// Select the previous workspace. Unset by default.
+    pub previous_workspace: String,
+    /// Select the next workspace. Unset by default.
+    pub next_workspace: String,
+    /// Create a new tab in the active workspace. Default: "c"
+    pub new_tab: String,
+    /// Rename the active tab. Unset by default.
+    pub rename_tab: String,
+    /// Select the previous tab. Unset by default.
+    pub previous_tab: String,
+    /// Select the next tab. Unset by default.
+    pub next_tab: String,
+    /// Close the active tab. Unset by default.
+    pub close_tab: String,
+    /// Focus the pane to the left in terminal mode. Unset by default.
+    pub focus_pane_left: String,
+    /// Focus the pane below in terminal mode. Unset by default.
+    pub focus_pane_down: String,
+    /// Focus the pane above in terminal mode. Unset by default.
+    pub focus_pane_up: String,
+    /// Focus the pane to the right in terminal mode. Unset by default.
+    pub focus_pane_right: String,
+    /// Split pane vertically (side by side). Default: "v"
+    pub split_vertical: String,
+    /// Split pane horizontally (stacked). Default: "-"
+    pub split_horizontal: String,
+    /// Close the focused pane. Default: "x"
+    pub close_pane: String,
+    /// Toggle fullscreen for the focused pane. Default: "f"
+    pub fullscreen: String,
+    /// Enter resize mode. Default: "r"
+    pub resize_mode: String,
+    /// Toggle sidebar collapse. Default: "b"
+    pub toggle_sidebar: String,
+    /// Prefix-mode custom command bindings.
+    pub command: Vec<CommandKeybindConfig>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(default)]
+pub struct UiConfig {
+    pub sidebar_width: u16,
+    /// Ask for confirmation before closing a workspace. Default: true.
+    pub confirm_close: bool,
+    /// Accent color for highlights, borders, and navigation UI.
+    /// Accepts hex (#89b4fa), named colors (cyan, blue), or RGB (rgb(137,180,250)).
+    pub accent: String,
+    /// Optional visual toast notifications for background workspace events.
+    pub toast: ToastConfig,
+    /// Play sounds when agents change state in background workspaces.
+    pub sound: SoundConfig,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(default)]
+pub struct AdvancedConfig {
+    /// Allow launching herdr inside an existing herdr pane. Default: false.
+    pub allow_nested: bool,
+    /// Maximum scrollback buffer size in bytes retained per pane terminal. Default: 10000000.
+    #[serde(alias = "scrollback_lines")]
+    pub scrollback_limit_bytes: usize,
+}
+
+impl Default for KeysConfig {
+    fn default() -> Self {
+        Self {
+            prefix: "ctrl+b".into(),
+            new_workspace: "n".into(),
+            rename_workspace: "shift+n".into(),
+            close_workspace: "shift+d".into(),
+            detach: "".into(),
+            previous_workspace: "".into(),
+            next_workspace: "".into(),
+            new_tab: "c".into(),
+            rename_tab: "".into(),
+            previous_tab: "".into(),
+            next_tab: "".into(),
+            close_tab: "".into(),
+            focus_pane_left: "".into(),
+            focus_pane_down: "".into(),
+            focus_pane_up: "".into(),
+            focus_pane_right: "".into(),
+            split_vertical: "v".into(),
+            split_horizontal: "-".into(),
+            close_pane: "x".into(),
+            fullscreen: "f".into(),
+            resize_mode: "r".into(),
+            toggle_sidebar: "b".into(),
+            command: Vec::new(),
+        }
+    }
+}
+
+impl Default for UiConfig {
+    fn default() -> Self {
+        Self {
+            sidebar_width: 26,
+            confirm_close: true,
+            accent: "cyan".into(),
+            toast: ToastConfig::default(),
+            sound: SoundConfig::default(),
+        }
+    }
+}
+
+impl Default for ToastConfig {
+    fn default() -> Self {
+        Self { enabled: false }
+    }
+}
+
+impl Default for AdvancedConfig {
+    fn default() -> Self {
+        Self {
+            allow_nested: false,
+            scrollback_limit_bytes: DEFAULT_SCROLLBACK_LIMIT_BYTES,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn toast_config_parses() {
+        let toml = r#"
+[ui.toast]
+enabled = true
+"#;
+        let config: Config = toml::from_str(toml).unwrap();
+        assert!(config.ui.toast.enabled);
+    }
+
+    #[test]
+    fn missing_onboarding_shows_setup() {
+        let config = Config::default();
+        assert!(config.should_show_onboarding());
+    }
+
+    #[test]
+    fn onboarding_false_skips_setup() {
+        let config: Config = toml::from_str("onboarding = false").unwrap();
+        assert!(!config.should_show_onboarding());
+    }
+
+    #[test]
+    fn advanced_defaults_include_scrollback_limit_bytes() {
+        let config = Config::default();
+        assert_eq!(
+            config.advanced.scrollback_limit_bytes,
+            DEFAULT_SCROLLBACK_LIMIT_BYTES
+        );
+    }
+
+    #[test]
+    fn advanced_config_parses() {
+        let toml = r#"
+[advanced]
+allow_nested = true
+scrollback_limit_bytes = 12345
+"#;
+        let config: Config = toml::from_str(toml).unwrap();
+        assert!(config.advanced.allow_nested);
+        assert_eq!(config.advanced.scrollback_limit_bytes, 12345);
+    }
+
+    #[test]
+    fn advanced_legacy_scrollback_lines_alias_parses() {
+        let toml = r#"
+[advanced]
+scrollback_lines = 12345
+"#;
+        let config: Config = toml::from_str(toml).unwrap();
+        assert_eq!(config.advanced.scrollback_limit_bytes, 12345);
+    }
+}