feat: complete MQ-only dispatcher and OSS upload flow

internal/testfixture/execute.go

@@ -0,0 +1,29 @@
+// Package testfixture provides protocol fixtures for repository tests only.
+package testfixture
+
+import (
+	"encoding/json"
+
+	"git.ipao.vip/rogee/go-sip/contracts"
+)
+
+const DispatcherID = "c046b893-8628-4589-ae50-619d049248a6"
+
+// Execute preserves the established business identifiers used by scheduler
+// tests while supplying the current external envelope. Historical bundles are
+// read unchanged; no production decoder accepts their old MQ envelope.
+func Execute() ([]byte, error) {
+	raw, err := contracts.Read("examples/call.execute.json")
+	if err != nil {
+		return nil, err
+	}
+	var envelope map[string]any
+	if err := json.Unmarshal(raw, &envelope); err != nil {
+		return nil, err
+	}
+	envelope["schema_version"] = "2.0"
+	envelope["dispatcher_id"] = DispatcherID
+	return json.MarshalIndent(envelope, "", "  ")
+}
+
+func InboundKey(tenantKey string) string { return "d." + DispatcherID + ".t." + tenantKey + ".in" }