feat: add tags = ["popular"] to top hands and channels (#24)

hands/researcher/HAND.toml

@@ -4,6 +4,7 @@ name = "Researcher Hand"
 description = "Autonomous deep researcher — exhaustive investigation, cross-referencing, fact-checking, and structured reports"
 
 category = "productivity"
+tags = ["popular"]
 icon = "🧪"
 
 tools = [
@@ -627,6 +628,7 @@ activation_warning = "Researcher hand runs continuously and performs deep resear
 name = "深度研究 Hand"
 description = "自主深度研究员——详尽调查、交叉引用、事实核查与结构化报告"
 category = "生产力"
+tags = ["popular"]
 
 [i18n.zh.agents.main]
 name = "深度研究协调器"
@@ -685,6 +687,7 @@ description = "自主深度研究員——詳盡調查、交叉引用、事實
 name = "심층 연구 Hand"
 description = "자율 심층 연구원 — 철저한 조사, 교차 참조, 팩트체크, 구조화된 보고서"
 category = "생산성"
+tags = ["popular"]
 
 [i18n.ko.settings.research_depth]
 label = "연구 깊이"
@@ -724,6 +727,7 @@ description = "연구 및 출력의 주요 언어"
 name = "ディープリサーチ Hand"
 description = "自律型ディープリサーチャー——徹底調査、相互参照、ファクトチェック、構造化レポート"
 category = "生産性"
+tags = ["popular"]
 
 [i18n.ja.settings.research_depth]
 label = "調査の深さ"
@@ -763,6 +767,7 @@ description = "調査と出力の主要言語"
 name = "Hand de Investigación"
 description = "Investigador autónomo profundo — investigación exhaustiva, referencias cruzadas, verificación de hechos e informes estructurados"
 category = "Productividad"
+tags = ["popular"]
 
 [i18n.es.settings.research_depth]
 label = "Profundidad de investigación"
@@ -802,6 +807,7 @@ description = "Idioma principal para la investigación y los resultados"
 name = "Hand de Recherche Approfondie"
 description = "Chercheur autonome en profondeur — recherche exhaustive, références croisées, vérification des faits et rapports structurés"
 category = "Productivité"
+tags = ["popular"]
 
 [i18n.fr.settings.research_depth]
 label = "Profondeur de recherche"
@@ -841,6 +847,7 @@ description = "Langue principale pour la recherche et les résultats"
 name = "Tiefenforschungs-Hand"
 description = "Autonomer Tiefenforscher — umfassende Untersuchung, Querverweise, Faktenprüfung und strukturierte Berichte"
 category = "Produktivität"
+tags = ["popular"]
 
 [i18n.de.settings.research_depth]
 label = "Forschungstiefe"