[codex] fix focus list array response

internal/ticktick/focus.go

@@ -2,6 +2,7 @@ package ticktick
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"time"
@@ -10,21 +11,38 @@ import (
 )
 
 type focusDTO struct {
-	ID            string   `json:"id"`
-	Type          int      `json:"type"`
-	Status        int      `json:"status"`
-	Note          string   `json:"note"`
-	TaskID        string   `json:"taskId"`
-	StartTime     string   `json:"startTime"`
-	EndTime       string   `json:"endTime"`
-	Duration      int64    `json:"duration"`
-	PauseDuration int      `json:"pauseDuration"`
+	ID            string `json:"id"`
+	Type          int    `json:"type"`
+	Status        int    `json:"status"`
+	Note          string `json:"note"`
+	TaskID        string `json:"taskId"`
+	StartTime     string `json:"startTime"`
+	EndTime       string `json:"endTime"`
+	Duration      int64  `json:"duration"`
+	PauseDuration int    `json:"pauseDuration"`
 }
 
 type focusListResponse struct {
 	Focuses []focusDTO `json:"focuses"`
 }
 
+func (r *focusListResponse) UnmarshalJSON(data []byte) error {
+	var items []focusDTO
+	if err := json.Unmarshal(data, &items); err == nil {
+		r.Focuses = items
+		return nil
+	}
+
+	var wrapped struct {
+		Focuses []focusDTO `json:"focuses"`
+	}
+	if err := json.Unmarshal(data, &wrapped); err != nil {
+		return err
+	}
+	r.Focuses = wrapped.Focuses
+	return nil
+}
+
 func mapFocus(dto focusDTO) domain.Focus {
 	return domain.Focus{
 		ID:        dto.ID,

internal/ticktick/focus_test.go

@@ -73,6 +73,30 @@ func TestListFocus(t *testing.T) {
 	}
 }
 
+func TestListFocusAcceptsArrayResponse(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		resp := []focusDTO{
+			{ID: "f1", Note: "Focus 1", Type: 1, Status: 1},
+		}
+		_ = json.NewEncoder(w).Encode(resp)
+	}))
+	defer server.Close()
+
+	client := New(server.URL, server.Client())
+	start := time.Now()
+	end := start.Add(24 * time.Hour)
+	focuses, err := client.ListFocus(context.Background(), "token", start, end, 1)
+	if err != nil {
+		t.Fatalf("ListFocus() error = %v", err)
+	}
+	if len(focuses) != 1 {
+		t.Fatalf("len(focuses) = %d, want 1", len(focuses))
+	}
+	if focuses[0].Mode != domain.FocusModeTimer {
+		t.Fatalf("Mode = %v, want timer", focuses[0].Mode)
+	}
+}
+
 func TestGetFocusReturnsError(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "not found", http.StatusNotFound)