feat(bat): 补全工作流命令与人工校对状态

Refs #43

internal/backendrpc/client.go

@@ -80,7 +80,7 @@ type rpcRequest struct {
 	JSONRPC string `json:"jsonrpc"`
 	ID      uint64 `json:"id"`
 	Method  string `json:"method"`
-	Params  any    `json:"params,omitempty"`
+	Params  any    `json:"params"`
 }
 
 type rpcResponse struct {
@@ -273,6 +273,12 @@ type TranslationTaskUpdateParams struct {
 	ProviderRunID string `json:"provider_run_id,omitempty"`
 }
 
+// TranslationProofread marks the current localized workflow as manual
+// proofreading. Rust owns the persisted localized state.
+func (c *Client) TranslationProofread(ctx context.Context) (json.RawMessage, error) {
+	return c.rawData(ctx, "translation.proofread", nil)
+}
+
 // Ack is returned by accepted daemon control methods.
 type Ack struct {
 	Command       string `json:"command"`

internal/backendrpc/client_test.go

@@ -375,6 +375,35 @@ func TestTranslationTaskUpdateSendsWorkerParams(t *testing.T) {
 	}
 }
 
+func TestTranslationProofreadUsesRustMethod(t *testing.T) {
+	client := newTestClient(t, func(t *testing.T, req testRequest) testResponse {
+		if req.Method != "translation.proofread" {
+			t.Fatalf("method = %s", req.Method)
+		}
+		if string(req.Params) != "null" {
+			t.Fatalf("params = %s, want null", req.Params)
+		}
+		return testResponse{
+			Result: testEnvelope{
+				OK:        true,
+				Status:    "ok",
+				RequestID: "req-test-translation-proofread",
+				Data: map[string]any{
+					"translation_workflow_status": "manual_proofreading",
+				},
+			},
+		}
+	})
+
+	raw, err := client.TranslationProofread(context.Background())
+	if err != nil {
+		t.Fatalf("TranslationProofread error: %v", err)
+	}
+	if !json.Valid(raw) {
+		t.Fatalf("invalid raw JSON: %s", string(raw))
+	}
+}
+
 func TestApplicationErrorReturnsAPIError(t *testing.T) {
 	client := newTestClient(t, func(t *testing.T, req testRequest) testResponse {
 		if req.Method != "task.status" {