Add PDF state persistence

src-tauri/src/config/mod.rs

@@ -10,7 +10,7 @@ mod global;
 mod project;
 
 pub use global::GlobalConfig;
-pub use project::ProjectConfig;
+pub use project::{PdfTabEntry, PdfTabState, ProjectConfig, SessionConfig};
 
 use std::collections::HashMap;
 
@@ -104,8 +104,8 @@ pub struct MergedConfig {
     pub appearance: AppearanceConfig,
     pub layout: LayoutConfig,
     pub keybindings: KeybindingsConfig,
-    /// Reference IDs of tabs that should be restored on launch.
-    pub open_tabs: Vec<String>,
+    /// Tabs that should be restored on launch.
+    pub open_tabs: Vec<PdfTabEntry>,
 }
 
 impl MergedConfig {
@@ -157,7 +157,7 @@ pub enum ConfigError {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::config::project::SessionConfig;
+    use crate::config::project::{PdfTabEntry, SessionConfig};
 
     // ── AppearanceConfig ──────────────────────────────────────────────────────
 
@@ -273,12 +273,18 @@ mod tests {
         let global = GlobalConfig::default();
         let project = ProjectConfig {
             session: SessionConfig {
-                open_tabs: vec!["tab-a".to_string(), "tab-b".to_string()],
+                open_tabs: vec![
+                    PdfTabEntry { ref_id: "tab-a".to_string(), title: "a2024".to_string() },
+                    PdfTabEntry { ref_id: "tab-b".to_string(), title: "b2024".to_string() },
+                ],
+                ..Default::default()
             },
             ..Default::default()
         };
         let merged = MergedConfig::merge(&global, Some(&project));
-        assert_eq!(merged.open_tabs, ["tab-a", "tab-b"]);
+        assert_eq!(merged.open_tabs.len(), 2);
+        assert_eq!(merged.open_tabs[0].ref_id, "tab-a");
+        assert_eq!(merged.open_tabs[1].ref_id, "tab-b");
     }
 
     #[test]