feat: load question expansion prompts from yaml

server/internal/tenant/prompts/loader.go

@@ -34,6 +34,8 @@ type runtimePromptsConfig struct {
 	JSONOutputExampleHeading               string                         `yaml:"json_output_example_heading"`
 	AnalyzeOutputExample                   string                         `yaml:"analyze_output_example"`
 	AnalyzeFallbackPromptTemplate          string                         `yaml:"analyze_fallback_prompt_template"`
+	QuestionDistillPromptTemplate          string                         `yaml:"question_distill_prompt_template"`
+	QuestionCombinationFillPromptTemplate  string                         `yaml:"question_combination_fill_prompt_template"`
 	TitleCustomOutputRequirementsSection   string                         `yaml:"title_custom_output_requirements_section"`
 	TitleOutputExample                     string                         `yaml:"title_output_example"`
 	TitleFallbackPromptTemplate            string                         `yaml:"title_fallback_prompt_template"`

server/internal/tenant/prompts/loader_test.go

@@ -66,16 +66,48 @@ func TestAnalyzeFallbackPromptPrefersQuestionLikeQueries(t *testing.T) {
 
 	prompt := AnalyzeFallbackPrompt(`{"brand_name":"测试品牌","input_params":{"keyword":"全屋定制"}}`)
 	for _, want := range []string{
-			"真实用户会直接搜索的问题型长尾词",
-			"哪家好",
-			"最多返回 6 个竞品和 10 个搜索问题候选",
-		} {
+		"真实用户会直接搜索的问题型长尾词",
+		"哪家好",
+		"最多返回 6 个竞品和 10 个搜索问题候选",
+	} {
 		if !strings.Contains(prompt, want) {
 			t.Fatalf("AnalyzeFallbackPrompt() missing %q in prompt:\n%s", want, prompt)
 		}
 	}
 }
 
+func TestQuestionExpansionPromptsLoadFromYaml(t *testing.T) {
+	SetConfigFile("")
+	t.Cleanup(func() {
+		SetConfigFile("")
+	})
+
+	distillPrompt := QuestionDistillPrompt("测试品牌", `["竞品A"]`, "全屋定制")
+	for _, want := range []string{
+		"AI 搜索里真实会问的问题",
+		"当前品牌: 测试品牌",
+		`竞品列表: ["竞品A"]`,
+		"主题: 全屋定制",
+	} {
+		if !strings.Contains(distillPrompt, want) {
+			t.Fatalf("QuestionDistillPrompt() missing %q in prompt:\n%s", want, distillPrompt)
+		}
+	}
+
+	fillPrompt := QuestionCombinationFillPrompt("测试品牌", "https://example.com", "品牌描述", `["竞品A"]`, "合肥、华东", `{"core":["装修"]}`)
+	for _, want := range []string{
+		"拓词工具",
+		"品牌: 测试品牌",
+		"官网: https://example.com",
+		"合肥、华东",
+		`{"core":["装修"]}`,
+	} {
+		if !strings.Contains(fillPrompt, want) {
+			t.Fatalf("QuestionCombinationFillPrompt() missing %q in prompt:\n%s", want, fillPrompt)
+		}
+	}
+}
+
 func TestPromptConfigReloadsAndKeepsLastGoodVersion(t *testing.T) {
 	SetConfigFile("")
 	defaultPath := resolvePromptsConfigFile()

server/internal/tenant/prompts/runtime.go

@@ -69,6 +69,27 @@ func AnalyzeFallbackPrompt(contextJSON string) string {
 	))
 }
 
+func QuestionDistillPrompt(brandName, competitors, seedTopic string) string {
+	return strings.TrimSpace(fmt.Sprintf(
+		trimPrompt(loadRuntimePrompts().QuestionDistillPromptTemplate),
+		strings.TrimSpace(brandName),
+		strings.TrimSpace(competitors),
+		strings.TrimSpace(seedTopic),
+	))
+}
+
+func QuestionCombinationFillPrompt(brandName, website, description, competitors, regionTerms, currentInput string) string {
+	return strings.TrimSpace(fmt.Sprintf(
+		trimPrompt(loadRuntimePrompts().QuestionCombinationFillPromptTemplate),
+		strings.TrimSpace(brandName),
+		strings.TrimSpace(website),
+		strings.TrimSpace(description),
+		strings.TrimSpace(competitors),
+		strings.TrimSpace(regionTerms),
+		strings.TrimSpace(currentInput),
+	))
+}
+
 func TitleCustomOutputRequirementsSection() string {
 	return trimPrompt(loadRuntimePrompts().TitleCustomOutputRequirementsSection)
 }