feat(i18n): add options for embedding level in English and Chinese translations

vector-search-memory/i18n/en_US.yaml

diff --git a/vector-search-memory/i18n/en_US.yaml b/vector-search-memory/i18n/en_US.yaml
index 8fee915..224cf4e 100644
--- a/vector-search-memory/i18n/en_US.yaml
+++ b/vector-search-memory/i18n/en_US.yaml
@@ -44,6 +44,11 @@
             other: Embedding Level
           description:
             other: "Choose 'question' to embed question + all answers + comments, or 'answer' to embed each answer separately"
+          options:
+            question:
+              other: Question
+            answer:
+              other: Answer
         similarity_threshold:
           title:
             other: Similarity Threshold

vector-search-memory/i18n/translation.go

diff --git a/vector-search-memory/i18n/translation.go b/vector-search-memory/i18n/translation.go
index bfce94e..f4bfbe6 100644
--- a/vector-search-memory/i18n/translation.go
+++ b/vector-search-memory/i18n/translation.go
@@ -32,8 +32,10 @@
 	ConfigEmbeddingModelTitle       = "plugin.memory_vector_search.backend.config.embedding_model.title"
 	ConfigEmbeddingModelDescription = "plugin.memory_vector_search.backend.config.embedding_model.description"
 
-	ConfigEmbeddingLevelTitle       = "plugin.memory_vector_search.backend.config.embedding_level.title"
-	ConfigEmbeddingLevelDescription = "plugin.memory_vector_search.backend.config.embedding_level.description"
+	ConfigEmbeddingLevelTitle          = "plugin.memory_vector_search.backend.config.embedding_level.title"
+	ConfigEmbeddingLevelDescription    = "plugin.memory_vector_search.backend.config.embedding_level.description"
+	ConfigEmbeddingLevelOptionQuestion = "plugin.memory_vector_search.backend.config.embedding_level.options.question"
+	ConfigEmbeddingLevelOptionAnswer   = "plugin.memory_vector_search.backend.config.embedding_level.options.answer"
 
 	ConfigSimilarityThresholdTitle       = "plugin.memory_vector_search.backend.config.similarity_threshold.title"
 	ConfigSimilarityThresholdDescription = "plugin.memory_vector_search.backend.config.similarity_threshold.description"

vector-search-memory/i18n/zh_CN.yaml

diff --git a/vector-search-memory/i18n/zh_CN.yaml b/vector-search-memory/i18n/zh_CN.yaml
index 81eadd7..66dedf1 100644
--- a/vector-search-memory/i18n/zh_CN.yaml
+++ b/vector-search-memory/i18n/zh_CN.yaml
@@ -44,6 +44,11 @@
             other: Embedding 级别
           description:
             other: "选择 'question' 将问题+所有回答+评论合并嵌入，或 'answer' 将每个回答单独嵌入"
+          options:
+            question:
+              other: 问题
+            answer:
+              other: 回答
         similarity_threshold:
           title:
             other: 相似度阈值

vector-search-memory/memory.go

diff --git a/vector-search-memory/memory.go b/vector-search-memory/memory.go
index 9f24a58..158514b 100644
--- a/vector-search-memory/memory.go
+++ b/vector-search-memory/memory.go
@@ -245,8 +245,8 @@
 			Description: plugin.MakeTranslator(i18n.ConfigEmbeddingLevelDescription),
 			Required:    true,
 			Options: []plugin.ConfigFieldOption{
-				{Label: plugin.MakeTranslator(i18n.ConfigEmbeddingLevelTitle), Value: "question"},
-				{Label: plugin.MakeTranslator(i18n.ConfigEmbeddingLevelTitle), Value: "answer"},
+				{Label: plugin.MakeTranslator(i18n.ConfigEmbeddingLevelOptionQuestion), Value: "question"},
+				{Label: plugin.MakeTranslator(i18n.ConfigEmbeddingLevelOptionAnswer), Value: "answer"},
 			},
 			Value: e.Config.EmbeddingLevel,
 		},