Put in a recent project picker

server/src/io/fs.rs

@@ -7,6 +7,7 @@ use std::path::PathBuf;
 
 const KEY_LAST_PROJECT: &str = "last_project_path";
 const KEY_SELECTED_MODEL: &str = "selected_model";
+const KEY_KNOWN_PROJECTS: &str = "known_projects";
 
 /// Resolves a relative path against the active project root (pure function for testing).
 /// Returns error if path attempts traversal (..).
@@ -55,6 +56,13 @@ pub async fn open_project(
     }
 
     store.set(KEY_LAST_PROJECT, json!(path));
+
+    let mut known_projects = get_known_projects(store)?;
+
+    known_projects.retain(|p| p != &path);
+    known_projects.insert(0, path.clone());
+    store.set(KEY_KNOWN_PROJECTS, json!(known_projects));
+
     store.save()?;
 
     Ok(path)
@@ -99,6 +107,18 @@ pub fn get_current_project(
     Ok(None)
 }
 
+pub fn get_known_projects(store: &dyn StoreOps) -> Result<Vec<String>, String> {
+    let projects = store
+        .get(KEY_KNOWN_PROJECTS)
+        .and_then(|val| val.as_array().cloned())
+        .unwrap_or_default()
+        .into_iter()
+        .filter_map(|val| val.as_str().map(|s| s.to_string()))
+        .collect();
+
+    Ok(projects)
+}
+
 pub fn get_model_preference(store: &dyn StoreOps) -> Result<Option<String>, String> {
     if let Some(model) = store
         .get(KEY_SELECTED_MODEL)