feat(tasks): persist list_id/effort/notes + update_task_cmd — close Task 2 metadata gap

src-tauri/src/commands/tasks.rs

@@ -16,6 +16,7 @@ use kon_storage::{
     list_subtasks as db_list_subtasks,
     list_tasks as db_list_tasks,
     uncomplete_task as db_uncomplete_task,
+    update_task as db_update_task,
     TaskRow,
 };
 
@@ -30,6 +31,7 @@ pub struct TaskDto {
     pub bucket: String,
     pub list_id: Option<String>,
     pub effort: Option<String>,
+    pub notes: String,
     pub done: bool,
     pub done_at: Option<String>,
     pub created_at: String,
@@ -45,6 +47,7 @@ impl From<TaskRow> for TaskDto {
             bucket: r.bucket,
             list_id: r.list_id,
             effort: r.effort,
+            notes: r.notes,
             done: r.done,
             done_at: r.done_at,
             created_at: r.created_at,
@@ -60,7 +63,12 @@ pub struct CreateTaskRequest {
     pub id: String,
     pub text: String,
     pub bucket: String,
+    #[serde(default)]
     pub source_transcript_id: Option<String>,
+    #[serde(default)]
+    pub list_id: Option<String>,
+    #[serde(default)]
+    pub effort: Option<String>,
 }
 
 #[tauri::command]
@@ -74,6 +82,8 @@ pub async fn create_task_cmd(
         &request.text,
         &request.bucket,
         request.source_transcript_id.as_deref(),
+        request.list_id.as_deref(),
+        request.effort.as_deref(),
     )
     .await
     .map_err(|e| e.to_string())?;
@@ -87,6 +97,46 @@ pub async fn create_task_cmd(
         .ok_or_else(|| format!("Task {} not found after insert", request.id))
 }
 
+/// Patch-shaped update. Any field omitted (or explicit `null`) leaves the
+/// column untouched via `COALESCE` in the storage layer. Matches
+/// `update_transcript`'s partial-update philosophy. `done` / `doneAt` are
+/// intentionally absent — those flow through `complete_task_cmd` /
+/// `uncomplete_task_cmd` to stamp the server-side timestamp.
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UpdateTaskRequest {
+    #[serde(default)]
+    pub text: Option<String>,
+    #[serde(default)]
+    pub bucket: Option<String>,
+    #[serde(default)]
+    pub list_id: Option<String>,
+    #[serde(default)]
+    pub effort: Option<String>,
+    #[serde(default)]
+    pub notes: Option<String>,
+}
+
+#[tauri::command]
+pub async fn update_task_cmd(
+    state: tauri::State<'_, AppState>,
+    id: String,
+    patch: UpdateTaskRequest,
+) -> Result<TaskDto, String> {
+    let row = db_update_task(
+        &state.db,
+        &id,
+        patch.text.as_deref(),
+        patch.bucket.as_deref(),
+        patch.list_id.as_deref(),
+        patch.effort.as_deref(),
+        patch.notes.as_deref(),
+    )
+    .await
+    .map_err(|e| e.to_string())?;
+    Ok(TaskDto::from(row))
+}
+
 #[tauri::command]
 pub async fn list_tasks_cmd(
     state: tauri::State<'_, AppState>,

src-tauri/src/lib.rs

@@ -258,6 +258,7 @@ pub fn run() {
             // Tasks (canonical SQLite-backed task CRUD)
             commands::tasks::create_task_cmd,
             commands::tasks::list_tasks_cmd,
+            commands::tasks::update_task_cmd,
             commands::tasks::complete_task_cmd,
             commands::tasks::delete_task_cmd,
             commands::tasks::uncomplete_task_cmd,