scheduled prompts: add/remove targets on edit (#474 fast-follow)

hive-ag3nt/prompts/manager.md

@@ -14,7 +14,7 @@ Tools (hyperhive surface):
 - `mcp__hyperhive__request_schedule_prompt(targets, body, first_fire_at_unix, interval_seconds?, description?)` — queue an approval for the operator to add a scheduled prompt. On approve hive-c0re inserts a schedule row and the worker fans `body` out to each agent in `targets` at `first_fire_at_unix` (recurring every `interval_seconds` if set, one-shot when absent). Even self-targeted schedules go through approval — the existing `remind` tool stays the quick no-approval self-wake path. Catch-up clamp: long downtime fires ONCE per recurring row on resume (skipped count surfaces in per-target `last_result`), not N stacked pulses.
 - `mcp__hyperhive__cancel_schedule(id, targets?)` — cancel a schedule. Omit `targets` / pass empty to cancel the whole schedule; pass a list to cancel just those recipients (the schedule keeps firing for any remaining active targets, auto-cancels when every target is gone). Authorization: you can cancel schedules you own OR any owned by a sub-agent in your subtree per topology.json.
 - `mcp__hyperhive__fire_schedule_now(id)` — fire a scheduled prompt out of band. Runs the per-target fan-out once immediately. Recurring schedules keep their cadence intact (the manual fire is additive); one-shot schedules are CONSUMED by the manual fire (cancelled afterwards). Same authorization as `cancel_schedule`.
-- `mcp__hyperhive__edit_schedule(id, body?, description?, interval_seconds?, next_fire_at_unix?)` — partial-update a schedule's mutable fields (#474). Pass only the fields you want to change. Targets stay immutable (cancel + new schedule is the workaround). Refuses cancelled rows. Same authorization as `cancel_schedule`. Note: clearing fields (e.g. flipping recurring→one-shot) is operator-only via the dashboard PATCH — the agent surface only supports positive sets.
+- `mcp__hyperhive__edit_schedule(id, body?, description?, interval_seconds?, next_fire_at_unix?, targets_add?, targets_remove?)` — partial-update a schedule's mutable fields (#474). Pass only the fields you want to change. `targets_add` / `targets_remove` mutate the recipient list in the same transaction; re-adding a previously-cancelled target drops the tombstone + history (operator intent: "fresh start"). Refuses cancelled rows. Same authorization as `cancel_schedule`. Note: clearing scalar fields (e.g. flipping recurring→one-shot) is operator-only via the dashboard PATCH — the agent surface only supports positive sets on `description` / `interval_seconds`.
 - `mcp__hyperhive__list_schedules()` — snapshot every schedule in the queue (active + cancelled-but-not-reaped). Returns id, owner, body, target set with per-target `last_fired_at` + `last_result`, `next_fire_at_unix`, recurring `interval_seconds`. Use to look up an id before cancelling, or to audit upcoming wake-ups across the swarm.
 - `mcp__hyperhive__get_logs(agent, lines?)` — fetch recent journal lines for a sub-agent container. Use to diagnose MCP-server registration failures, startup crashes, or harness issues you can't see from inside. Pass the plain logical agent name; `lines` defaults to 50 (capped at 500).
 - `mcp__hyperhive__ask(question, options?, multi?, ttl_seconds?, to?)` — surface a structured question to the operator (default, or `to: "operator"`) OR a sub-agent (`to: "<agent-name>"`). Returns immediately with a question id; the answer arrives later as a system `question_answered { id, question, answer, answerer }` event in your inbox. Options are advisory: the dashboard always lets the operator type a free-text answer in addition. Set `multi: true` to render options as checkboxes (operator can pick multiple); the answer comes back as `, `-separated. Set `ttl_seconds` to auto-cancel after a deadline (capped at 6h server-side) — on expiry the answer is `[expired]` and `answerer` is `"ttl-watchdog"`. Do not poll inside the same turn — finish the current work and react when the event lands.

hive-ag3nt/src/mcp.rs

@@ -1006,6 +1006,16 @@ pub struct EditScheduleArgs {
     /// leave the schedule on its current cadence.
     #[serde(default)]
     pub next_fire_at_unix: Option<i64>,
+    /// Names of new targets to add. Replace-on-conflict: re-adding
+    /// a previously cancelled target resets its history (operator
+    /// intent on re-add = "this target is active again").
+    #[serde(default)]
+    pub targets_add: Option<Vec<String>>,
+    /// Names of targets to cancel. Tombstones preserve per-target
+    /// audit; when no active targets remain the schedule
+    /// auto-cancels.
+    #[serde(default)]
+    pub targets_remove: Option<Vec<String>>,
 }
 
 #[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
@@ -1382,6 +1392,8 @@ impl ManagerServer {
                     description: args.description.map(Some),
                     interval_seconds: args.interval_seconds.map(Some),
                     next_fire_at_unix: args.next_fire_at_unix,
+                    targets_add: args.targets_add,
+                    targets_remove: args.targets_remove,
                 })
                 .await;
             annotate_retries(

hive-c0re/src/dashboard.rs

@@ -1509,6 +1509,17 @@ struct EditScheduleForm {
     interval_seconds: Option<Option<u64>>,
     #[serde(default)]
     next_fire_at_unix: Option<i64>,
+    /// New targets to add. Replace-on-conflict: re-adding a
+    /// previously-cancelled target drops the tombstone and the
+    /// target starts fresh (operator intent on re-add = "this
+    /// target is active again, fresh start").
+    #[serde(default)]
+    targets_add: Option<Vec<String>>,
+    /// Targets to cancel. Same path as `cancel_targets`:
+    /// tombstones preserve audit and the parent schedule
+    /// auto-cancels when no active targets remain.
+    #[serde(default)]
+    targets_remove: Option<Vec<String>>,
 }
 
 /// serde adaptor: turns missing-key into `None`, explicit-null
@@ -1543,6 +1554,8 @@ async fn patch_schedule(
         description: form.description,
         interval_seconds: form.interval_seconds,
         next_fire_at_unix: form.next_fire_at_unix,
+        targets_add: form.targets_add,
+        targets_remove: form.targets_remove,
     };
     if let Err(e) = state.coord.scheduled_prompts.update(id, patch) {
         return error_response(&format!("edit schedule {id}: {e:#}"));

hive-c0re/src/manager_server.rs

@@ -356,6 +356,8 @@ async fn dispatch(req: &ManagerRequest, coord: &Arc<Coordinator>) -> ManagerResp
             description,
             interval_seconds,
             next_fire_at_unix,
+            targets_add,
+            targets_remove,
         } => handle_edit_schedule(
             coord,
             hive_sh4re::MANAGER_AGENT,
@@ -364,6 +366,8 @@ async fn dispatch(req: &ManagerRequest, coord: &Arc<Coordinator>) -> ManagerResp
             description.clone(),
             *interval_seconds,
             *next_fire_at_unix,
+            targets_add.clone(),
+            targets_remove.clone(),
         ),
         ManagerRequest::ListSchedules => match coord.scheduled_prompts.list() {
             Ok(schedules) => ManagerResponse::Schedules {
@@ -895,6 +899,8 @@ fn handle_edit_schedule(
     description: Option<Option<String>>,
     interval_seconds: Option<Option<u64>>,
     next_fire_at_unix: Option<i64>,
+    targets_add: Option<Vec<String>>,
+    targets_remove: Option<Vec<String>>,
 ) -> ManagerResponse {
     let schedule = match coord.scheduled_prompts.get(schedule_id) {
         Ok(Some(s)) => s,
@@ -922,6 +928,8 @@ fn handle_edit_schedule(
         description,
         interval_seconds,
         next_fire_at_unix,
+        targets_add,
+        targets_remove,
     };
     match coord.scheduled_prompts.update(schedule_id, patch) {
         Ok(()) => ManagerResponse::Ok,

hive-c0re/src/scheduled_prompts.rs

@@ -153,12 +153,24 @@ pub struct NewSchedule {
 /// `Some(Some(n))` = "set to n seconds." Same encoding as JSON
 /// "missing key" vs "explicit null" — the dashboard surface
 /// preserves the distinction.
+///
+/// Target add/remove (#474 fast-follow): `targets_add` / `targets_remove`
+/// run inside the same transaction as the scalar field updates so
+/// "save my changes" is atomic. Remove delegates to the same
+/// cancel-targets path used by `cancel_targets` (tombstoning, preserves
+/// audit, auto-cancels parent when no active targets remain). Add uses
+/// `INSERT OR REPLACE` so re-adding a previously-cancelled target
+/// drops the tombstone and starts fresh (operator intent on re-add =
+/// "this target is active again"; prior history was already visible
+/// at cancel time).
 #[derive(Debug, Clone, Default)]
 pub struct UpdateSchedule {
     pub body: Option<String>,
     pub description: Option<Option<String>>,
     pub interval_seconds: Option<Option<u64>>,
     pub next_fire_at_unix: Option<i64>,
+    pub targets_add: Option<Vec<String>>,
+    pub targets_remove: Option<Vec<String>>,
 }
 
 pub struct ScheduledPrompts {
@@ -404,6 +416,59 @@ impl ScheduledPrompts {
                 params![next, id],
             )?;
         }
+        // Target removals first, then adds. Order matters: an
+        // operator who sends `{add: ["alice"], remove: ["alice"]}`
+        // probably typo'd, but treating add-after-remove as the
+        // surviving intent means a clean re-arm rather than an
+        // orphaned tombstone. Plus removing-then-adding is the
+        // natural way to "restart history" on one target without
+        // a separate flow.
+        let now = now_unix();
+        if let Some(remove) = patch.targets_remove.as_deref() {
+            for target in remove {
+                tx.execute(
+                    "UPDATE scheduled_prompt_targets
+                        SET cancelled_at_unix = COALESCE(cancelled_at_unix, ?1)
+                      WHERE schedule_id = ?2 AND target = ?3",
+                    params![now, id, target],
+                )?;
+            }
+        }
+        if let Some(add) = patch.targets_add.as_deref() {
+            for target in add {
+                // INSERT OR REPLACE drops any prior row (cancelled
+                // tombstone or otherwise) and inserts a fresh one
+                // with empty history. Operator intent on re-add =
+                // "this target is active again, fresh start."
+                tx.execute(
+                    "INSERT OR REPLACE INTO scheduled_prompt_targets
+                        (schedule_id, target, cancelled_at_unix,
+                         last_fired_at_unix, last_result)
+                     VALUES (?1, ?2, NULL, NULL, NULL)",
+                    params![id, target],
+                )?;
+            }
+        }
+        // If the remove set drained the last active target (and
+        // the add set didn't bring any back), auto-cancel the
+        // parent so the worker stops scanning it. Mirrors
+        // `cancel_targets`'s behaviour for the same edge case.
+        if patch.targets_remove.is_some() || patch.targets_add.is_some() {
+            let active_targets: i64 = tx.query_row(
+                "SELECT COUNT(*) FROM scheduled_prompt_targets
+                  WHERE schedule_id = ?1 AND cancelled_at_unix IS NULL",
+                params![id],
+                |row| row.get(0),
+            )?;
+            if active_targets == 0 {
+                tx.execute(
+                    "UPDATE scheduled_prompts
+                        SET cancelled_at_unix = COALESCE(cancelled_at_unix, ?1)
+                      WHERE id = ?2",
+                    params![now, id],
+                )?;
+            }
+        }
         tx.commit()?;
         Ok(())
     }
@@ -846,6 +911,115 @@ mod tests {
         assert!(s.description.is_none());
     }
 
+    #[test]
+    fn update_adds_new_targets() {
+        let (_dir, db) = open();
+        let id = submit_one_shot(&db, 100, &["alice"]);
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_add: Some(vec!["bob".into(), "carol".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("update");
+        let s = db.get(id).expect("get").expect("present");
+        let names: Vec<_> = s.targets.iter().map(|t| t.target.as_str()).collect();
+        assert!(names.contains(&"alice"));
+        assert!(names.contains(&"bob"));
+        assert!(names.contains(&"carol"));
+    }
+
+    #[test]
+    fn update_removes_targets_via_cancel_tombstone() {
+        let (_dir, db) = open();
+        let id = submit_one_shot(&db, 100, &["alice", "bob"]);
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_remove: Some(vec!["alice".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("update");
+        let s = db.get(id).expect("get").expect("present");
+        let alice = s.targets.iter().find(|t| t.target == "alice").unwrap();
+        let bob = s.targets.iter().find(|t| t.target == "bob").unwrap();
+        // alice tombstoned, bob still active, parent still active.
+        assert!(alice.cancelled_at_unix.is_some());
+        assert!(bob.cancelled_at_unix.is_none());
+        assert!(s.cancelled_at_unix.is_none());
+    }
+
+    #[test]
+    fn update_removing_last_target_auto_cancels_parent() {
+        let (_dir, db) = open();
+        let id = submit_one_shot(&db, 100, &["alice"]);
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_remove: Some(vec!["alice".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("update");
+        let s = db.get(id).expect("get").expect("present");
+        assert!(s.cancelled_at_unix.is_some());
+    }
+
+    #[test]
+    fn update_re_add_resurrects_cancelled_target_fresh() {
+        let (_dir, db) = open();
+        let id = submit_one_shot(&db, 100, &["alice", "bob"]);
+        // Record some history on alice, then cancel her.
+        db.record_target_result(id, "alice", 50, "ok").expect("record");
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_remove: Some(vec!["alice".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("cancel alice");
+        // Re-add alice — should drop the tombstone + prior history.
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_add: Some(vec!["alice".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("re-add alice");
+        let s = db.get(id).expect("get").expect("present");
+        let alice = s.targets.iter().find(|t| t.target == "alice").unwrap();
+        assert!(alice.cancelled_at_unix.is_none(), "fresh row, no tombstone");
+        assert!(alice.last_fired_at_unix.is_none(), "history reset");
+        assert!(alice.last_result.is_none(), "history reset");
+    }
+
+    #[test]
+    fn update_add_and_remove_in_one_transaction() {
+        let (_dir, db) = open();
+        let id = submit_one_shot(&db, 100, &["alice"]);
+        db.update(
+            id,
+            UpdateSchedule {
+                targets_remove: Some(vec!["alice".into()]),
+                targets_add: Some(vec!["bob".into()]),
+                ..Default::default()
+            },
+        )
+        .expect("update");
+        let s = db.get(id).expect("get").expect("present");
+        let alice = s.targets.iter().find(|t| t.target == "alice").unwrap();
+        let bob = s.targets.iter().find(|t| t.target == "bob").unwrap();
+        assert!(alice.cancelled_at_unix.is_some());
+        assert!(bob.cancelled_at_unix.is_none());
+        // Bob arrived AFTER alice was tombstoned in the same tx —
+        // active-target count > 0, so parent stays alive.
+        assert!(s.cancelled_at_unix.is_none());
+    }
+
     #[test]
     fn approval_source_round_trips() {
         let (_dir, db) = open();

hive-sh4re/src/lib.rs

@@ -954,8 +954,10 @@ pub enum ManagerRequest {
     /// doubly-wrapped so `Some(None)` (set explicit null) can flip
     /// a recurring schedule back to one-shot / clear the
     /// description, while plain `None` keeps the current value.
-    /// Targets stay immutable. Refuses cancelled rows.
-    /// Authorization mirrors `CancelSchedule`.
+    /// `targets_add` / `targets_remove` mutate the recipient list
+    /// in the same transaction; re-adding a previously-cancelled
+    /// target drops the tombstone (replace-on-conflict). Refuses
+    /// cancelled rows. Authorization mirrors `CancelSchedule`.
     EditSchedule {
         id: i64,
         #[serde(default, skip_serializing_if = "Option::is_none")]
@@ -966,6 +968,10 @@ pub enum ManagerRequest {
         interval_seconds: Option<Option<u64>>,
         #[serde(default, skip_serializing_if = "Option::is_none")]
         next_fire_at_unix: Option<i64>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        targets_add: Option<Vec<String>>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        targets_remove: Option<Vec<String>>,
     },
 }