revise bulk-clear to explicit ids per mara's feedback, fix clippy line count

hive-agent/src/todos.rs

@@ -245,17 +245,23 @@ impl Todos {
         Ok(n)
     }
 
-    /// Bulk-ack every un-acked todo with `id <= up_to` in one shot — the
-    /// same "note the highest id you've seen, clear everything up to it"
-    /// pattern the message inbox's `ack_until` already gives agents, applied
-    /// to this store. Exists for the case a per-id triage loop isn't worth
-    /// it: an agent that hasn't called `get_loose_ends` in a long stretch
-    /// (or one whose producers pile up faster than it triages) can end up
-    /// with a backlog large enough that the rendered list itself becomes
-    /// unwieldy — clearing it in one call is the escape hatch, same
-    /// `acked`-not-deleted semantics as [`Self::mark_done`] (a reconciled
-    /// producer's next `upsert` still sees the row to compare against).
-    /// Returns the number of rows newly acked.
+    /// Bulk-ack a specific, explicit list of todo ids in one shot. Exists
+    /// for the case a per-id `mark_done` loop isn't worth the round-trips:
+    /// an agent that hasn't called `get_loose_ends` in a long stretch (or
+    /// one whose producers pile up faster than it triages) can end up with
+    /// a backlog large enough that clearing it one call at a time is
+    /// impractical. Deliberately **explicit ids, not a `<= threshold`
+    /// range** — a reviewer's call on the design: a range-based
+    /// bulk-ack risks silently acking something the agent never actually
+    /// looked at, since todos are heterogeneous unrelated items (bash /
+    /// matrix / forge) rather than a sequentially-read stream the way inbox
+    /// messages are. The caller is expected to have looked at each id
+    /// (typically the ids `get_loose_ends` just rendered) before passing
+    /// them here. Same `acked`-not-deleted semantics as [`Self::mark_done`]
+    /// (a reconciled producer's next `upsert` still sees the row to compare
+    /// against). Unknown/already-acked ids are silently skipped — same "not
+    /// a new action" idempotence as the single-id path. Returns the number
+    /// of rows newly acked.
     ///
     /// # Errors
     ///
@@ -264,13 +270,20 @@ impl Todos {
     /// # Panics
     ///
     /// Panics if the connection mutex is poisoned.
-    pub fn mark_done_until(&self, up_to: i64) -> Result<usize> {
+    pub fn mark_done_many(&self, ids: &[i64]) -> Result<usize> {
+        if ids.is_empty() {
+            return Ok(0);
+        }
         let conn = self.conn.lock().unwrap();
-        let n = conn.execute(
-            "UPDATE todos SET acked = 1, acked_at = ?1 WHERE acked = 0 AND id <= ?2",
-            params![Utc::now().timestamp(), up_to],
-        )?;
-        Ok(n)
+        let now = Utc::now().timestamp();
+        let mut total = 0usize;
+        for id in ids {
+            total += conn.execute(
+                "UPDATE todos SET acked = 1, acked_at = ?1 WHERE acked = 0 AND id = ?2",
+                params![now, id],
+            )?;
+        }
+        Ok(total)
     }
 
     /// List todos, newest-updated first. `subsystem = Some(..)` filters to
@@ -504,25 +517,26 @@ mod tests {
         assert!(!s.has_any().unwrap(), "acked-only table reads as empty");
     }
 
-    /// `mark_done_until` acks everything at-or-below the threshold id and
-    /// leaves later rows untouched, mirroring `ack_until`'s inbox semantics.
+    /// `mark_done_many` acks exactly the ids passed, leaves the rest
+    /// untouched — no threshold/range semantics.
     #[test]
-    fn mark_done_until_acks_up_to_threshold_only() {
+    fn mark_done_many_acks_only_the_listed_ids() {
         let (_dir, s) = store();
         let (id1, _) = s.upsert("bash", None, "task 1", None).unwrap();
         let (id2, _) = s.upsert("bash", None, "task 2", None).unwrap();
         let (id3, _) = s.upsert("bash", None, "task 3", None).unwrap();
         assert_eq!(
-            s.mark_done_until(id2).unwrap(),
+            s.mark_done_many(&[id1, id3]).unwrap(),
             2,
-            "acks id1 and id2, not id3"
+            "acks id1 and id3, not id2 — not a range"
         );
         let left = s.list(None).unwrap();
         assert_eq!(left.len(), 1);
-        assert_eq!(left[0].id, id3);
-        // Idempotent: re-running over the same range acks nothing new.
-        assert_eq!(s.mark_done_until(id2).unwrap(), 0);
-        let _ = id1;
+        assert_eq!(left[0].id, id2);
+        // Idempotent: re-running over the same ids acks nothing new.
+        assert_eq!(s.mark_done_many(&[id1, id3]).unwrap(), 0);
+        // Empty input is a no-op, not an error.
+        assert_eq!(s.mark_done_many(&[]).unwrap(), 0);
     }
 
     /// `reap_acked` only removes acked rows past the cutoff — a recent ack