chore: import Local-Cursor v1.1.8 source snapshot

Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage.
Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb

internal/backend/agent/model/provider_limits_test.go

@@ -0,0 +1,70 @@
+package modeladapter
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+)
+
+func TestAnthropicOutputLimitFromError(t *testing.T) {
+	cases := []struct {
+		name string
+		err  error
+		want int
+	}{
+		{
+			name: "one-api 风格超限错误提取上限",
+			err:  errors.New(`anthropic adapter status=400 body={"error":{"type":"<nil>","message":"Requested token count exceeds the configured maximum output length of 131072 tokens. (request id: 202611021331431481912008268d9d6mRcDNnYN)"},"type":"error"}`),
+			want: 131072,
+		},
+		{
+			name: "其他 400 文本不匹配",
+			err:  errors.New("anthropic adapter status=400 body={\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"max temperature allowed is 1.0\"}}"),
+			want: 0,
+		},
+		{
+			name: "nil 错误",
+			err:  nil,
+			want: 0,
+		},
+		{
+			name: "无数字的变体不匹配",
+			err:  errors.New("exceeds the configured maximum output length of abc tokens"),
+			want: 0,
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := anthropicOutputLimitFromError(tc.err); got != tc.want {
+				t.Fatalf("anthropicOutputLimitFromError() = %d, 期望 %d", got, tc.want)
+			}
+		})
+	}
+}
+
+func TestAnthropicBodyMaxTokens(t *testing.T) {
+	cases := []struct {
+		name string
+		body map[string]any
+		want int
+	}{
+		{"常规构造为 int", map[string]any{"max_tokens": 278000}, 278000},
+		{"RequestBodyOverride 反序列化为 float64", map[string]any{"max_tokens": float64(278000)}, 278000},
+		{"int64 兼容", map[string]any{"max_tokens": int64(278000)}, 278000},
+		{"字段缺失", map[string]any{}, 0},
+		{"非数值类型", map[string]any{"max_tokens": "278000"}, 0},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := anthropicBodyMaxTokens(tc.body); got != tc.want {
+				t.Fatalf("anthropicBodyMaxTokens() = %d, 期望 %d", got, tc.want)
+			}
+		})
+	}
+	if got := anthropicBodyMaxTokens(nil); got != 0 {
+		t.Fatalf("nil body 应返回 0, got %d", got)
+	}
+	if got := fmt.Sprint(anthropicOutputLimitPattern.String()); got == "" {
+		t.Fatal("onAnthropic pattern 不应为空")
+	}
+}