feat(db): reviewed_real column on events (+ auto-migrate)

sfm/database.py

@@ -81,6 +81,7 @@ CREATE TABLE IF NOT EXISTS events (
     sample_rate             INTEGER,
     record_type             TEXT,                   -- "single_shot" | "continuous"
     false_trigger           INTEGER NOT NULL DEFAULT 0,  -- 0=no, 1=yes (manual flag)
+    reviewed_real           INTEGER NOT NULL DEFAULT 0,  -- 0=no, 1=operator-confirmed real (mutually exclusive with false_trigger)
     blastware_filename      TEXT,                   -- event file within waveform store; extension is per-event (AB0T encodes timestamp)
     blastware_filesize      INTEGER,                -- bytes; NULL if no event file saved
     a5_pickle_filename      TEXT,                   -- "<filename>.a5.pkl" sidecar
@@ -188,6 +189,7 @@ class SeismoDb:
                     sample_rate             INTEGER,
                     record_type             TEXT,
                     false_trigger           INTEGER NOT NULL DEFAULT 0,
+                    reviewed_real           INTEGER NOT NULL DEFAULT 0,
                     created_at              TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
                     UNIQUE(serial, timestamp)
                 );
@@ -224,6 +226,7 @@ class SeismoDb:
             ("shape_near_peak_count", "INTEGER"),
             ("shape_sample_count",    "INTEGER"),
             ("shape_axis",            "TEXT"),
+            ("reviewed_real",         "INTEGER NOT NULL DEFAULT 0"),
         ):
             if col not in existing_cols:
                 log.info("_migrate: events ADD COLUMN %s %s", col, ddl)