CHANGELOG.md

@@ -24,13 +24,16 @@ window).
   `SeismoDb()` construction, no manual migration). `query_events` /
   `get_event` (and thus `/db/events`) return it automatically (`SELECT *`).
 - **Mutual exclusivity with `false_trigger`** — setting `reviewed_real=1`
-  clears `false_trigger`, and vice versa, both via `set_false_trigger` /
-  the sidecar review PATCH path.
+  clears `false_trigger`, and vice versa, enforced on both review paths:
+  the sidecar review PATCH (`update_event_review`) and the quick
+  `PATCH /db/events/{id}/false_trigger` endpoint (`set_false_trigger`).
 - **`find_twins`** — matches an event's histogram/waveform twins by serial +
   identical peak-vector-sum + a timestamp window.
 - **`propagate_review_to_twins`** — copies an event's `false_trigger`/
-  `reviewed_real` state onto its twins, wired into the
-  `PATCH /db/events/{id}/sidecar` review path so flagging one flags both.
+  `reviewed_real` state onto its twins, wired into both the
+  `PATCH /db/events/{id}/sidecar` review path and the quick
+  `PATCH /db/events/{id}/false_trigger` path, so flagging one flags both
+  regardless of which endpoint made the change.
 
 ---
 

sfm/database.py

@@ -610,6 +610,16 @@ class SeismoDb:
         within ``window_seconds`` of this event's timestamp.  Excludes the
         event itself.  Returns [] if the event or any required field
         (serial / peak_vector_sum / timestamp) is missing.
+
+        Caveat: identical-PVS matching is a proxy for "same physical event
+        recorded twice," not a guarantee. In the rare case where the device
+        clamps/saturates PVS (clamped to sqrt(3) * geo_range), two distinct
+        saturated events on the same serial within the window can share the
+        same clamped PVS value and be matched as twins even though they are
+        different events. This is harmless in practice — false_trigger/
+        reviewed_real are derived/index columns re-derivable from the
+        sidecar source of truth — but worth knowing if twin counts look
+        surprising on a saturated/clamped run.
         """
         row = self.get_event(event_id)
         if not row:
@@ -652,12 +662,25 @@ class SeismoDb:
         return moved
 
     def set_false_trigger(self, event_id: str, value: bool) -> bool:
-        """Set or clear the false_trigger flag on an event. Returns True if found."""
+        """
+        Set or clear the false_trigger flag on an event. Returns True if found.
+
+        Mirrors the 3-state exclusivity enforced by `update_event_review`:
+        setting false_trigger true also clears `reviewed_real` (a false
+        trigger can't also be a confirmed-real event). Clearing false_trigger
+        leaves `reviewed_real` untouched.
+        """
         with self._connect() as conn:
-            cur = conn.execute(
-                "UPDATE events SET false_trigger=? WHERE id=?",
-                (1 if value else 0, event_id),
-            )
+            if value:
+                cur = conn.execute(
+                    "UPDATE events SET false_trigger=1, reviewed_real=0 WHERE id=?",
+                    (event_id,),
+                )
+            else:
+                cur = conn.execute(
+                    "UPDATE events SET false_trigger=0 WHERE id=?",
+                    (event_id,),
+                )
         return cur.rowcount > 0
 
     def delete_event(self, event_id: str) -> Optional[dict]:

sfm/server.py

@@ -1957,7 +1957,10 @@ def db_set_false_trigger(
     value:    bool = Query(..., description="True to flag as false trigger, False to clear"),
 ) -> dict:
     """
-    Set or clear the false_trigger flag on a single event.
+    Set or clear the false_trigger flag on a single event.  Enforces the
+    same 3-state exclusivity as the sidecar review PATCH (flagging false_trigger
+    clears reviewed_real) and propagates the resulting flags to the event's
+    histogram/waveform twin(s), same as the sidecar path.
 
     Used by the terra-view event review UI.
     Returns 404 if the event_id is not found.
@@ -1965,6 +1968,12 @@ def db_set_false_trigger(
     found = _get_db().set_false_trigger(event_id, value)
     if not found:
         raise HTTPException(status_code=404, detail=f"Event {event_id} not found")
+
+    try:
+        _get_db().propagate_review_to_twins(event_id)
+    except Exception as exc:
+        log.warning("twin review-propagation failed for %s: %s", event_id, exc)
+
     return {"status": "ok", "event_id": event_id, "false_trigger": value}
 
 

tests/test_set_false_trigger_exclusivity.py

@@ -0,0 +1,29 @@
+from sfm.database import SeismoDb
+from minimateplus.models import Event
+
+
+def _ins(db, eid_key="01110000", serial="BE1"):
+    ev = Event(index=0); ev._waveform_key = bytes.fromhex(eid_key)
+    db.insert_events([ev], serial=serial)
+    return db.query_events(serial=serial)[0]["id"]
+
+
+def test_set_false_trigger_clears_reviewed_real(tmp_path):
+    db = SeismoDb(tmp_path / "s.db"); eid = _ins(db)
+    db.update_event_review(eid, {"reviewed_real": True})
+    assert db.get_event(eid)["reviewed_real"] == 1
+
+    db.set_false_trigger(eid, True)
+    row = db.get_event(eid)
+    assert row["false_trigger"] == 1 and row["reviewed_real"] == 0
+
+
+def test_clearing_false_trigger_leaves_reviewed_real_untouched(tmp_path):
+    db = SeismoDb(tmp_path / "s.db"); eid = _ins(db)
+    db.update_event_review(eid, {"false_trigger": True})
+    db.set_false_trigger(eid, False)
+    row = db.get_event(eid)
+    assert row["false_trigger"] == 0
+    # reviewed_real was never set true, so it stays 0 either way; the point
+    # is set_false_trigger(False) does not touch the column at all.
+    assert row["reviewed_real"] == 0