feat: 更新主流大模型供应商目录

- 按云服务、Coding Plan、API 网关和本地模型分组

- 新增兼容模型发现与供应商协议校验

backend/controller/llm_provider_test.go

@@ -0,0 +1,70 @@
+package controller
+
+import (
+	"testing"
+
+	"ezops/model"
+)
+
+func TestResolveEndpoint(t *testing.T) {
+	tests := []struct {
+		provider string
+		endpoint string
+		want     string
+	}{
+		{provider: "google", want: "https://generativelanguage.googleapis.com/v1beta/openai"},
+		{provider: "openrouter", want: "https://openrouter.ai/api/v1"},
+		{provider: "hunyuan", want: "https://tokenhub.tencentmaas.com/v1"},
+		{provider: "mimo", want: "https://api.xiaomimimo.com/v1"},
+		{provider: "together", want: "https://api.together.ai/v1"},
+		{provider: "lmstudio", want: "http://localhost:1234/v1"},
+		{provider: "new-api", want: ""},
+		{provider: "new-api", endpoint: "https://llm.example.com/v1/", want: "https://llm.example.com/v1"},
+	}
+
+	for _, test := range tests {
+		t.Run(test.provider+test.endpoint, func(t *testing.T) {
+			if got := resolveEndpoint(test.provider, test.endpoint); got != test.want {
+				t.Fatalf("resolveEndpoint() = %q, want %q", got, test.want)
+			}
+		})
+	}
+}
+
+func TestResolveProtocol(t *testing.T) {
+	for _, provider := range []string{"anthropic", "glm-coding", "minimax-coding"} {
+		if got := resolveProtocol(provider); got != "anthropic" {
+			t.Fatalf("resolveProtocol(%q) = %q, want anthropic", provider, got)
+		}
+	}
+	for _, provider := range []string{"openai", "google", "openrouter", "new-api"} {
+		if got := resolveProtocol(provider); got != "openai" {
+			t.Fatalf("resolveProtocol(%q) = %q, want openai", provider, got)
+		}
+	}
+}
+
+func TestProviderRequirements(t *testing.T) {
+	if !isLocalLLMProvider("lmstudio") {
+		t.Fatal("LM Studio should allow an empty API key")
+	}
+	if isLocalLLMProvider("new-api") {
+		t.Fatal("New API should require an API key")
+	}
+	if !requiresExplicitEndpoint("new-api") || !requiresExplicitEndpoint("custom") {
+		t.Fatal("API gateway providers should require an explicit endpoint")
+	}
+}
+
+func TestCanReuseMaskedAPIKey(t *testing.T) {
+	saved := model.LLMConfig{ID: 1, Provider: "openai", Endpoint: "https://api.openai.com/v1"}
+	if !canReuseMaskedAPIKey("openai", "https://api.openai.com/v1/", saved) {
+		t.Fatal("same provider and endpoint should reuse the saved key")
+	}
+	if canReuseMaskedAPIKey("openai", "https://gateway.example.com/v1", saved) {
+		t.Fatal("changed endpoint must not reuse the saved key")
+	}
+	if canReuseMaskedAPIKey("new-api", saved.Endpoint, saved) {
+		t.Fatal("changed provider must not reuse the saved key")
+	}
+}