Add per-webhook event retention reaper (closes #63)

internal/database/export_test.go

@@ -0,0 +1,31 @@
+package database
+
+import (
+	"context"
+	"log/slog"
+	"os"
+	"time"
+)
+
+// NewTestRetentionReaper builds a RetentionReaper backed by the given
+// main database and per-webhook database manager, without the fx
+// lifecycle. Intended for tests.
+func NewTestRetentionReaper(
+	db *Database,
+	mgr *WebhookDBManager,
+) *RetentionReaper {
+	return &RetentionReaper{
+		db:        db,
+		dbManager: mgr,
+		log: slog.New(slog.NewTextHandler(
+			os.Stderr,
+			&slog.HandlerOptions{Level: slog.LevelDebug},
+		)),
+		interval: time.Hour,
+	}
+}
+
+// ExportSweep runs a single retention sweep synchronously for tests.
+func (r *RetentionReaper) ExportSweep(ctx context.Context) {
+	r.sweep(ctx)
+}