fix: 按完成时刻分批清理并限制读连接池

internal/store/db_test.go

@@ -19,7 +19,7 @@ func TestOpenEmptyDirCreatesTables(t *testing.T) {
 	}
 	defer func() { _ = db.Close() }()
 
-	assertMigrationCount(t, db.Write, 2)
+	assertMigrationCount(t, db.Write, 3)
 	for _, table := range []string{
 		"endpoints", "settings", "talk_grants", "groups", "group_members",
 		"messages", "message_bodies", "deliveries", "receipts", "send_keys",
@@ -41,7 +41,7 @@ func TestOpenIdempotentNoRemigrate(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	assertMigrationCount(t, db1.Write, 2)
+	assertMigrationCount(t, db1.Write, 3)
 	_ = db1.Close()
 
 	db2, err := Open(dir, "FULL")
@@ -49,7 +49,7 @@ func TestOpenIdempotentNoRemigrate(t *testing.T) {
 		t.Fatal(err)
 	}
 	defer func() { _ = db2.Close() }()
-	assertMigrationCount(t, db2.Write, 2)
+	assertMigrationCount(t, db2.Write, 3)
 
 	if entries, readErr := os.ReadDir(filepath.Join(dir, "backup")); readErr == nil && len(entries) > 0 {
 		t.Fatalf("idempotent reopen should not backup: %v", entries)
@@ -83,7 +83,7 @@ CREATE TABLE schema_migrations (
 	}
 	defer func() { _ = db.Close() }()
 
-	assertMigrationCount(t, db.Write, 2)
+	assertMigrationCount(t, db.Write, 3)
 	assertTableExists(t, db.Write, "endpoints")
 	assertTableExists(t, db.Write, "api_tokens")
 
@@ -96,7 +96,7 @@ CREATE TABLE schema_migrations (
 	var names []string
 	for _, e := range entries {
 		names = append(names, e.Name())
-		if e.Name() == "pre-migrate-v1-to-v2.db" {
+		if e.Name() == "pre-migrate-v1-to-v4.db" {
 			found = true
 			info, statErr := e.Info()
 			if statErr != nil {
@@ -108,7 +108,7 @@ CREATE TABLE schema_migrations (
 		}
 	}
 	if !found {
-		t.Fatalf("expected pre-migrate-v1-to-v2.db, got %v", names)
+		t.Fatalf("expected pre-migrate-v1-to-v4.db, got %v", names)
 	}
 }