refactor(sync): drop favorite-folder tracking and deal

tests/test_migrations.py

@@ -37,8 +37,8 @@ def test_fresh_and_idempotent():
         conn = sqlite3.connect(Path(tmp) / "app.db")
         try:
             applied = run_migrations(conn)
-            assert applied == [1, 2, 3, 4]
-            assert current_version(conn) == 4
+            assert applied == [1, 2, 3, 4, 5]
+            assert current_version(conn) == 5
             assert EXPECTED_TABLES <= table_names(conn)
             assert "schema_version" in table_names(conn)
             columns = {
@@ -66,7 +66,7 @@ def test_fresh_and_idempotent():
             # 再跑一次不应重复应用
             assert run_migrations(conn) == []
             row = conn.execute("SELECT COUNT(*) FROM schema_version").fetchone()
-            assert row[0] == 4
+            assert row[0] == 5
         finally:
             conn.close()
 
@@ -81,15 +81,15 @@ def test_backup_before_upgrade():
             conn.execute("INSERT INTO kv(k, v) VALUES ('hello', 'world')")
             conn.commit()
 
-            v5 = Migration(5, "add probe", ("CREATE TABLE probe (id INTEGER PRIMARY KEY)",))
+            v6 = Migration(6, "add probe", ("CREATE TABLE probe (id INTEGER PRIMARY KEY)",))
             applied = run_migrations(
                 conn,
                 backup_dir=backup_dir,
                 now=1_800_000_000,
-                migrations=MIGRATIONS + (v5,),
+                migrations=MIGRATIONS + (v6,),
             )
-            assert applied == [5]
-            backups = list(backup_dir.glob("app-pre-v4-*.db"))
+            assert applied == [6]
+            backups = list(backup_dir.glob("app-pre-v5-*.db"))
             assert len(backups) == 1
             check = sqlite3.connect(backups[0])
             try:
@@ -159,12 +159,35 @@ def test_validate_migration_order():
             conn.close()
 
 
+def test_v5_normalizes_unfaved():
+    with tempfile.TemporaryDirectory() as tmp:
+        conn = sqlite3.connect(Path(tmp) / "app.db")
+        try:
+            run_migrations(conn, migrations=MIGRATIONS[:4])
+            conn.execute(
+                "INSERT INTO video(aid, title, pubdate, status, first_seen) "
+                "VALUES (1, 't', 1, 'unfaved', 1)"
+            )
+            conn.execute(
+                "INSERT INTO video(aid, title, pubdate, status, first_seen) "
+                "VALUES (2, 't', 1, 'dropped', 1)"
+            )
+            conn.commit()
+            applied = run_migrations(conn)
+            assert applied == [5]
+            rows = dict(conn.execute("SELECT aid, status FROM video").fetchall())
+            assert rows == {1: "active", 2: "dropped"}
+        finally:
+            conn.close()
+
+
 def main():
     test_fresh_and_idempotent()
     test_backup_before_upgrade()
     test_failed_migration_rolls_back()
     test_prune_backups()
     test_validate_migration_order()
+    test_v5_normalizes_unfaved()
     print("OK: SQLite 迁移、备份与回滚测试全部通过")