feat: Refactor template handling and brand management

- Removed schema_json from article templates and related queries.
- Updated brand service to include website field in requests and responses.
- Simplified template wizard view by eliminating unused schema fields and related logic.
- Added tests for ark text format handling.
- Created migrations for dropping schema_json and adding website to brands.

server/cmd/dev-seed/main.go

@@ -140,12 +140,11 @@ func main() {
 
 	// Platform templates
 	templates := []struct {
-		key, name, schema, prompt, cardConfig string
+		key, name, prompt, cardConfig string
 	}{
 		{
 			"top_x_article",
 			"Top X 文章",
-			`{"fields":[{"name":"topic","type":"text","label":"话题","required":true},{"name":"count","type":"number","label":"数量","required":true,"default":10}]}`,
 			`你是一名经验丰富的内容编辑，请围绕「{{topic}}」撰写一篇完整的 Markdown 推荐类文章。
 文章目标:
 1. 帮读者快速理解这个主题下值得关注的 {{count}} 个方向、产品或对象。
@@ -245,7 +244,6 @@ func main() {
 		{
 			"product_review",
 			"产品评测文章",
-			`{"fields":[{"name":"product_name","type":"text","label":"产品名称","required":true},{"name":"category","type":"text","label":"品类","required":true}]}`,
 			`你是一名资深产品评测编辑，请围绕「{{product_name}}」这款{{category}}产品撰写一篇完整的 Markdown 评测文章。
 文章目标:
 1. 帮读者判断这款产品是否值得关注或购买。
@@ -346,7 +344,6 @@ func main() {
 		{
 			"research_report",
 			"研究报告文章",
-			`{"fields":[{"name":"subject","type":"text","label":"研究主题","required":true},{"name":"depth","type":"select","label":"深度","options":["overview","detailed"],"default":"overview"}]}`,
 			`你是一名研究分析师，请围绕「{{subject}}」撰写一篇完整的 Markdown 研究报告。
 文章目标:
 1. 提炼关键事实、趋势与结构化发现。
@@ -439,7 +436,6 @@ func main() {
 		{
 			"brand_search_expansion",
 			"品牌词搜索扩写",
-			`{"fields":[{"name":"brand","type":"text","label":"品牌名","required":true},{"name":"keyword","type":"text","label":"关键词","required":true}]}`,
 			`你是一名擅长搜索意图写作的内容编辑，请围绕「{{brand}} {{keyword}}」撰写一篇完整的 Markdown 品牌词搜索扩写文章。
 文章目标:
 1. 直接回答搜索用户最关心的问题。
@@ -536,10 +532,10 @@ func main() {
 
 	for _, t := range templates {
 		_, err = tx.Exec(ctx, `
-			INSERT INTO article_templates (scope, origin_type, template_key, template_name, schema_json, prompt_template, prompt_visibility, card_config_json, status)
-			VALUES ('platform', 'platform', $1, $2, $3::jsonb, $4, 'visible', $5::jsonb, 'active')
+			INSERT INTO article_templates (scope, origin_type, template_key, template_name, prompt_template, prompt_visibility, card_config_json, status)
+			VALUES ('platform', 'platform', $1, $2, $3, 'visible', $4::jsonb, 'active')
 			ON CONFLICT DO NOTHING
-		`, t.key, t.name, t.schema, t.prompt, t.cardConfig)
+		`, t.key, t.name, t.prompt, t.cardConfig)
 		if err != nil {
 			log.Fatalf("insert template %s: %v", t.key, err)
 		}
@@ -547,16 +543,15 @@ func main() {
 		_, err = tx.Exec(ctx, `
 			UPDATE article_templates
 			SET template_name = $2,
-				schema_json = $3::jsonb,
-				prompt_template = $4,
-				card_config_json = $5::jsonb,
+				prompt_template = $3,
+				card_config_json = $4::jsonb,
 				prompt_visibility = 'visible',
 				status = 'active',
 				updated_at = NOW()
 			WHERE scope = 'platform'
 			  AND template_key = $1
 			  AND deleted_at IS NULL
-		`, t.key, t.name, t.schema, t.prompt, t.cardConfig)
+		`, t.key, t.name, t.prompt, t.cardConfig)
 		if err != nil {
 			log.Fatalf("update template %s: %v", t.key, err)
 		}