Fix completion actions: default to PR and support remote repos (#21)

* Fix completion actions: default to PR and support remote repos

- Change default completion action from 'branch' to 'pr' for tasks
  using daemon working directory
- Allow PR completion action to work without target_repo_path if the
  worktree already has an origin remote configured (e.g., when cloned
  from a remote URL)
- Update create_pull_request to accept optional target_repo parameter

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add dismiss functionality for completed standalone tasks

## Changes

### Backend
- Add 'hidden' field to Task model (models.rs)
- Add database migration for hidden column (20250122000000_add_task_hidden.sql)
- Update task listing queries to include hidden field and filter out hidden tasks
- Update update_task_for_owner to handle hidden field

### Frontend
- Add hidden field to TaskSummary interface (api.ts)
- Add dismissTask API function (api.ts)
- Add hideTask function to useTasks hook
- Add Dismiss button to TaskList for completed standalone tasks
- Wire up onDismiss handler in mesh.tsx route

## Behavior
- Completed standalone tasks (tasks without a contract) show a "Dismiss" button
- Dismissing a task sets hidden=true and removes it from the task list
- Hidden tasks are filtered out by default in all task listing queries

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

2 files changed, 27 insertions, 10 deletions

diff --git a/makima/src/db/models.rs b/makima/src/db/models.rs
index bf95a3a..6ede268 100644
--- a/makima/src/db/models.rs
+++ b/makima/src/db/models.rs
@@ -525,6 +525,12 @@ pub struct Task {
     /// Used to track the origin of "what if" explorations.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub branched_from_task_id: Option<Uuid>,
+
+    // UI visibility
+    /// Whether this task is hidden from the UI (user dismissed it).
+    /// Standalone completed tasks can be dismissed by the user.
+    #[serde(default)]
+    pub hidden: bool,
 }
 
 impl Task {
@@ -564,6 +570,9 @@ pub struct TaskSummary {
     /// True for contract supervisor tasks
     #[serde(default)]
     pub is_supervisor: bool,
+    /// Whether this task is hidden from the UI (user dismissed it)
+    #[serde(default)]
+    pub hidden: bool,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
@@ -586,6 +595,7 @@ impl From<Task> for TaskSummary {
             subtask_count: 0, // Would need separate query
             version: task.version,
             is_supervisor: task.is_supervisor,
+            hidden: task.hidden,
             created_at: task.created_at,
             updated_at: task.updated_at,
         }
@@ -670,6 +680,8 @@ pub struct UpdateTaskRequest {
     /// Explicitly clear daemon_id (set to NULL)
     #[serde(default)]
     pub clear_daemon_id: bool,
+    /// Whether this task is hidden from the UI (user dismissed it)
+    pub hidden: Option<bool>,
     /// Version for optimistic locking
     pub version: Option<i32>,
 }
diff --git a/makima/src/db/repository.rs b/makima/src/db/repository.rs
index 7387735..84afc8d 100644
--- a/makima/src/db/repository.rs
+++ b/makima/src/db/repository.rs
@@ -733,6 +733,7 @@ pub async fn get_task(pool: &PgPool, id: Uuid) -> Result<Option<Task>, sqlx::Err
 }
 
 /// List all top-level tasks (no parent), ordered by created_at DESC.
+/// Hidden tasks are excluded by default.
 pub async fn list_tasks(pool: &PgPool) -> Result<Vec<TaskSummary>, sqlx::Error> {
     sqlx::query_as::<_, TaskSummary>(
         r#"
@@ -742,10 +743,10 @@ pub async fn list_tasks(pool: &PgPool) -> Result<Vec<TaskSummary>, sqlx::Error>
             t.parent_task_id, t.depth, t.name, t.status, t.priority,
             t.progress_summary,
             (SELECT COUNT(*) FROM tasks WHERE parent_task_id = t.id) as subtask_count,
-            t.version, t.is_supervisor, t.created_at, t.updated_at
+            t.version, t.is_supervisor, COALESCE(t.hidden, false) as hidden, t.created_at, t.updated_at
         FROM tasks t
         LEFT JOIN contracts c ON t.contract_id = c.id
-        WHERE t.parent_task_id IS NULL
+        WHERE t.parent_task_id IS NULL AND COALESCE(t.hidden, false) = false
         ORDER BY t.priority DESC, t.created_at DESC
         "#,
     )
@@ -763,7 +764,7 @@ pub async fn list_subtasks(pool: &PgPool, parent_id: Uuid) -> Result<Vec<TaskSum
             t.parent_task_id, t.depth, t.name, t.status, t.priority,
             t.progress_summary,
             (SELECT COUNT(*) FROM tasks WHERE parent_task_id = t.id) as subtask_count,
-            t.version, t.is_supervisor, t.created_at, t.updated_at
+            t.version, t.is_supervisor, COALESCE(t.hidden, false) as hidden, t.created_at, t.updated_at
         FROM tasks t
         LEFT JOIN contracts c ON t.contract_id = c.id
         WHERE t.parent_task_id = $1
@@ -1129,6 +1130,7 @@ pub async fn get_task_for_owner(
 }
 
 /// List all top-level tasks (no parent) for an owner, ordered by created_at DESC.
+/// Hidden tasks are excluded by default.
 pub async fn list_tasks_for_owner(
     pool: &PgPool,
     owner_id: Uuid,
@@ -1141,10 +1143,10 @@ pub async fn list_tasks_for_owner(
             t.parent_task_id, t.depth, t.name, t.status, t.priority,
             t.progress_summary,
             (SELECT COUNT(*) FROM tasks WHERE parent_task_id = t.id) as subtask_count,
-            t.version, t.is_supervisor, t.created_at, t.updated_at
+            t.version, t.is_supervisor, COALESCE(t.hidden, false) as hidden, t.created_at, t.updated_at
         FROM tasks t
         LEFT JOIN contracts c ON t.contract_id = c.id
-        WHERE t.owner_id = $1 AND t.parent_task_id IS NULL
+        WHERE t.owner_id = $1 AND t.parent_task_id IS NULL AND COALESCE(t.hidden, false) = false
         ORDER BY t.priority DESC, t.created_at DESC
         "#,
     )
@@ -1167,7 +1169,7 @@ pub async fn list_subtasks_for_owner(
             t.parent_task_id, t.depth, t.name, t.status, t.priority,
             t.progress_summary,
             (SELECT COUNT(*) FROM tasks WHERE parent_task_id = t.id) as subtask_count,
-            t.version, t.is_supervisor, t.created_at, t.updated_at
+            t.version, t.is_supervisor, COALESCE(t.hidden, false) as hidden, t.created_at, t.updated_at
         FROM tasks t
         LEFT JOIN contracts c ON t.contract_id = c.id
         WHERE t.owner_id = $1 AND t.parent_task_id = $2
@@ -1217,6 +1219,7 @@ pub async fn update_task_for_owner(
     let repository_url = req.repository_url.or(existing.repository_url);
     let target_repo_path = req.target_repo_path.or(existing.target_repo_path);
     let completion_action = req.completion_action.or(existing.completion_action);
+    let hidden = req.hidden.unwrap_or(existing.hidden);
     let daemon_id = if req.clear_daemon_id {
         None
     } else {
@@ -1232,8 +1235,8 @@ pub async fn update_task_for_owner(
                 progress_summary = $8, last_output = $9, error_message = $10,
                 merge_mode = $11, pr_url = $12, daemon_id = $13,
                 target_repo_path = $14, completion_action = $15, repository_url = $16,
-                updated_at = NOW()
-            WHERE id = $1 AND owner_id = $2 AND version = $17
+                hidden = $17, updated_at = NOW()
+            WHERE id = $1 AND owner_id = $2 AND version = $18
             RETURNING *
             "#,
         )
@@ -1253,6 +1256,7 @@ pub async fn update_task_for_owner(
         .bind(&target_repo_path)
         .bind(&completion_action)
         .bind(&repository_url)
+        .bind(hidden)
         .bind(req.version.unwrap())
         .fetch_optional(pool)
         .await?
@@ -1264,7 +1268,7 @@ pub async fn update_task_for_owner(
                 progress_summary = $8, last_output = $9, error_message = $10,
                 merge_mode = $11, pr_url = $12, daemon_id = $13,
                 target_repo_path = $14, completion_action = $15, repository_url = $16,
-                updated_at = NOW()
+                hidden = $17, updated_at = NOW()
             WHERE id = $1 AND owner_id = $2
             RETURNING *
             "#,
@@ -1285,6 +1289,7 @@ pub async fn update_task_for_owner(
         .bind(&target_repo_path)
         .bind(&completion_action)
         .bind(&repository_url)
+        .bind(hidden)
         .fetch_optional(pool)
         .await?
     };
@@ -2685,7 +2690,7 @@ pub async fn list_tasks_in_contract(
             t.parent_task_id, t.depth, t.name, t.status, t.priority,
             t.progress_summary,
             (SELECT COUNT(*) FROM tasks WHERE parent_task_id = t.id) as subtask_count,
-            t.version, t.is_supervisor, t.created_at, t.updated_at
+            t.version, t.is_supervisor, COALESCE(t.hidden, false) as hidden, t.created_at, t.updated_at
         FROM tasks t
         LEFT JOIN contracts c ON t.contract_id = c.id
         WHERE t.contract_id = $1 AND t.owner_id = $2