feat: add b-route send adapter shell

internal/tools/send_message_broute_adapter_test.go

@@ -0,0 +1,55 @@
+package tools
+
+import (
+	"context"
+	"strings"
+	"testing"
+)
+
+func TestBRouteSendMessageConnectorDisabledMode(t *testing.T) {
+	connector := NewBRouteSendMessageConnector(BRouteSendAdapterConfig{Mode: "disabled"})
+	result, err := connector.ExecuteSendMessage(context.Background(), SendMessageConnectorRequest{
+		TargetType:           "direct",
+		TargetID:             "u1",
+		TargetRef:            "contact:u1",
+		ContentSHA256:        "abc",
+		ContentLength:        3,
+		IdempotencyKeySHA256: "idem",
+		ExecutionMode:        "production",
+	})
+	if err == nil {
+		t.Fatalf("expected disabled error")
+	}
+	if result.ErrorCode != "broute_mode_blocked" {
+		t.Fatalf("unexpected error code: %s", result.ErrorCode)
+	}
+	if result.ConnectorMode != "broute-disabled" {
+		t.Fatalf("connector mode = %q, want broute-disabled", result.ConnectorMode)
+	}
+}
+
+func TestBRouteSendMessageConnectorDryRunContract(t *testing.T) {
+	connector := NewBRouteSendMessageConnector(BRouteSendAdapterConfig{
+		SidecarPath:    `Z:\path\that\must\not\be\started\SendSidecar.exe`,
+		TimeoutSeconds: 5,
+		Mode:           "dry_run_contract",
+	})
+	result, err := connector.ExecuteSendMessage(context.Background(), SendMessageConnectorRequest{
+		TargetType:           "direct",
+		TargetID:             "u1",
+		TargetRef:            "contact:u1",
+		ContentSHA256:        strings.Repeat("a", 64),
+		ContentLength:        3,
+		IdempotencyKeySHA256: strings.Repeat("b", 64),
+		ExecutionMode:        "production",
+	})
+	if err != nil {
+		t.Fatalf("dry-run contract should not try to start a sidecar or return process error: %v", err)
+	}
+	if result.Accepted {
+		t.Fatalf("dry-run contract must not accept a real send: %+v", result)
+	}
+	if result.ConnectorMode != "broute-dry-run-contract" || result.ErrorCode != "broute_dry_run_only" {
+		t.Fatalf("unexpected dry-run result: %+v", result)
+	}
+}