fix: broken apiConfig reference in RAG, textarea type attribute, redundant getProjectSettings call

app/components/SettingsPanel.js

@@ -743,7 +743,7 @@ function FieldInput({ label, value, onChange, placeholder, multiline, rows, secr
                 <Component
                     className="modal-input"
                     style={{ marginBottom: 0, ...(multiline ? { resize: 'vertical', minHeight: `${(rows || 3) * 22}px` } : {}), ...(secret ? { paddingRight: 36 } : {}) }}
-                    type={secret && !showSecret ? 'password' : 'text'}
+                    {...(!multiline ? { type: secret && !showSecret ? 'password' : 'text' } : {})}
                     value={value || ''}
                     onChange={e => onChange(e.target.value)}
                     placeholder={placeholder}

app/lib/context-engine.js

@@ -206,8 +206,7 @@ export async function buildContext(activeChapterId, selectedText, selectedIds =
     // --- RAG 自动检索（仅当开启嵌入功能时） ---
     let autoRetrievedNodes = [];
     const queryText = (selectedText || '').trim();
-    const { apiConfig } = getProjectSettings();
-    if (apiConfig.useCustomEmbed && queryText && unselectedItemNodes.length > 0) {
+    if (settings.apiConfig?.useCustomEmbed && queryText && unselectedItemNodes.length > 0) {
         try {
             // 获取 Query 的 Embedding
             // 此处的文本可以是光标前的一小段文字，为了简便使用 selectedText
@@ -219,7 +218,7 @@ export async function buildContext(activeChapterId, selectedText, selectedIds =
                 ragSourceText = ragSourceText + '\n' + stripChapText;
             }
 
-            const queryVector = await getEmbedding(ragSourceText, apiConfig);
+            const queryVector = await getEmbedding(ragSourceText, settings.apiConfig);
             if (queryVector) {
                 // 计算相似度
                 const scoredNodes = unselectedItemNodes.map(n => {