Expose notes over IPC and drop them with the project

app/src-tauri/src/commands/mod.rs

@@ -8,6 +8,7 @@ pub mod help_commands;
 pub mod inspect_commands;
 pub mod install_helper_commands;
 pub mod migration_commands;
+pub mod notes_commands;
 pub mod project_commands;
 pub mod settings_commands;
 pub mod settings_export_commands;

app/src-tauri/src/commands/notes_commands.rs

@@ -0,0 +1,33 @@
+use crate::models::Note;
+use crate::storage::notes_store;
+
+/// Every project's notes, oldest concept first: pinned notes, then most
+/// recently edited.
+///
+/// Sorted here rather than in the webview so the dock and the tab — two views
+/// of the same list — cannot drift into two different orders.
+#[tauri::command]
+pub async fn list_notes(project_id: String) -> Result<Vec<Note>, String> {
+    let mut notes = notes_store::load(&project_id)?;
+    notes.sort_by(|a, b| {
+        b.pinned
+            .cmp(&a.pinned)
+            .then_with(|| b.updated_at.cmp(&a.updated_at))
+    });
+    Ok(notes)
+}
+
+/// Insert or replace one note.
+///
+/// There is deliberately no whole-list setter. A bulk write is exactly the
+/// clobbering this store's per-project file exists to avoid, and every caller
+/// here is editing one note.
+#[tauri::command]
+pub async fn save_note(project_id: String, note: Note) -> Result<Note, String> {
+    notes_store::upsert(&project_id, note)
+}
+
+#[tauri::command]
+pub async fn delete_note(project_id: String, note_id: String) -> Result<(), String> {
+    notes_store::delete(&project_id, &note_id)
+}

app/src-tauri/src/commands/project_commands.rs

@@ -722,6 +722,15 @@ pub async fn remove_project(
     // holding an entire snapshot image that nothing will ever reference again.
     crate::commands::migration_commands::purge_migration_artifacts(&project_id).await;
 
+    // A project's notes are the one piece of its state that is purely the
+    // user's prose, so removal takes them with it rather than leaving an
+    // orphan file keyed by an id nothing will ever look up again. Logged and
+    // not propagated: an orphaned notes file is harmless, and a project that
+    // cannot be removed is not.
+    if let Err(e) = crate::storage::notes_store::clear(&project_id) {
+        log::warn!("Could not remove notes for project {}: {}", project_id, e);
+    }
+
     // Stop and remove container if it exists. Everything named in `report`
     // below is what will be unreachable the moment this function drops the
     // project record — see [`ProjectRemovalReport`] and

app/src-tauri/src/lib.rs

@@ -470,6 +470,10 @@ pub fn run() {
             commands::project_commands::stop_project_container,
             commands::project_commands::rebuild_project_container,
             commands::project_commands::reconcile_project_statuses,
+            // Notes
+            commands::notes_commands::list_notes,
+            commands::notes_commands::save_note,
+            commands::notes_commands::delete_note,
             // Container base-image migration
             commands::migration_commands::get_container_staleness,
             commands::migration_commands::migrate_project_to_base,

app/src-tauri/src/storage/notes_store.rs

@@ -150,6 +150,7 @@ fn delete_in(dir: &Path, project_id: &str, note_id: &str) -> Result<(), String>
 }
 
 fn clear_in(dir: &Path, project_id: &str) -> Result<(), String> {
+    let _guard = write_lock().lock().unwrap_or_else(|e| e.into_inner());
     let path = notes_path_in(dir, project_id);
     match fs::remove_file(&path) {
         Ok(()) => Ok(()),
@@ -334,4 +335,14 @@ mod tests {
         clear_in(&dir, "p1").unwrap(); // idempotent
         std::fs::remove_dir_all(&dir).ok();
     }
+
+    #[test]
+    fn clearing_is_what_project_removal_calls_and_it_never_fails_on_absence() {
+        // `remove_project` must not be able to fail because a project simply
+        // never had any notes — an orphaned notes file is harmless, a project
+        // that cannot be removed is not.
+        let dir = temp_dir("removal");
+        assert!(clear_in(&dir, "never-had-notes").is_ok());
+        std::fs::remove_dir_all(&dir).ok();
+    }
 }