fix dual device and calendar display bug

backend/db.py

@@ -123,14 +123,6 @@ def init_db(db_path: str | Path = DB_PATH) -> None:
 				minutes INTEGER NOT NULL
 			);
 
-			CREATE TABLE IF NOT EXISTS rerun_events (
-				id INTEGER PRIMARY KEY AUTOINCREMENT,
-				detected_date TEXT NOT NULL,
-				failed_test_ids_json TEXT NOT NULL,
-				estimated_rerun_minutes INTEGER NOT NULL,
-				rerun_during_day INTEGER
-			);
-
 			CREATE INDEX IF NOT EXISTS idx_tests_status ON tests(status);
 			CREATE INDEX IF NOT EXISTS idx_tests_priority ON tests(priority);
 			CREATE INDEX IF NOT EXISTS idx_schedules_date_shift ON schedules(scheduled_date, shift_index);
@@ -503,11 +495,32 @@ def get_schedule_week(start_date: str, db_path: str | Path = DB_PATH) -> list[Sc
 			FROM schedules s
 			JOIN tests t ON t.test_id = s.test_id AND t.device = s.device
 			WHERE s.schedule_version = ?
-			  AND s.scheduled_date >= ?
-			  AND s.scheduled_date < date(?, '+7 day')
+			  AND (
+			    (
+			      s.scheduled_date >= ?
+			      AND s.scheduled_date < date(?, '+7 day')
+			      AND s.shift_index IN (2, 3)
+			    )
+			    OR (
+			      s.scheduled_date > ?
+			      AND s.scheduled_date < date(?, '+7 day')
+			      AND s.shift_index = 1
+			    )
+			    OR (
+			      s.scheduled_date = date(?, '+7 day')
+			      AND s.shift_index = 1
+			    )
+			  )
 			ORDER BY s.scheduled_date, s.shift_index, s.sequence_in_shift
 			""",
-			(latest, start_date, start_date),
+			(
+				latest,
+				start_date,
+				start_date,
+				start_date,
+				start_date,
+				start_date,
+			),
 		).fetchall()
 
 	result: list[ScheduleRow] = []