ДОМЕНЫ - ВОПРОСЫ - fix(ui-assistant-chat): render markdown bold, add readable block spacing, force scroll-to-bottom on send + ЮИ

llm_normalizer/frontend/src/components/AssistantPanel.tsx

@@ -74,6 +74,95 @@ function CommentBubbleIcon({ commented }: { commented: boolean }) {
   );
 }
 
+function normalizeAssistantMessageText(raw: string): string {
+  return raw
+    .replace(/\r\n?/g, "\n")
+    .replace(/([^\n])\s+(Блок\s+\d+\.)/gi, "$1\n\n$2")
+    .replace(/([^\n])\s+(\d+\.\s)/g, "$1\n$2");
+}
+
+function splitAssistantMessageBlocks(text: string): string[] {
+  const normalized = normalizeAssistantMessageText(text);
+  const lines = normalized.split("\n");
+  const blocks: string[] = [];
+  let current: string[] = [];
+
+  const flush = () => {
+    if (current.length === 0) return;
+    blocks.push(current.join("\n"));
+    current = [];
+  };
+
+  for (const rawLine of lines) {
+    const line = rawLine.trimEnd();
+    const trimmed = line.trim();
+    if (!trimmed) {
+      flush();
+      continue;
+    }
+
+    const isBlockHeading = /^Блок\s+\d+\./i.test(trimmed);
+    const isNumberedItem = /^\d+\.\s/.test(trimmed);
+    if ((isBlockHeading || isNumberedItem) && current.length > 0) {
+      flush();
+    }
+
+    current.push(line);
+  }
+
+  flush();
+  return blocks.length > 0 ? blocks : [text];
+}
+
+function renderInlineBold(text: string, keyPrefix: string): JSX.Element[] {
+  const result: JSX.Element[] = [];
+  const regex = /\*\*(.+?)\*\*/g;
+  let lastIndex = 0;
+  let partIndex = 0;
+  let match: RegExpExecArray | null;
+
+  while ((match = regex.exec(text)) !== null) {
+    if (match.index > lastIndex) {
+      result.push(<span key={`${keyPrefix}-t-${partIndex}`}>{text.slice(lastIndex, match.index)}</span>);
+      partIndex += 1;
+    }
+
+    result.push(<strong key={`${keyPrefix}-b-${partIndex}`}>{match[1]}</strong>);
+    partIndex += 1;
+    lastIndex = regex.lastIndex;
+  }
+
+  if (lastIndex < text.length) {
+    result.push(<span key={`${keyPrefix}-t-${partIndex}`}>{text.slice(lastIndex)}</span>);
+  }
+
+  return result.length > 0 ? result : [<span key={`${keyPrefix}-raw`}>{text}</span>];
+}
+
+function lineClassName(line: string): string {
+  const trimmed = line.trimStart();
+  if (/^Блок\s+\d+\./i.test(trimmed)) return "assistant-msg-line heading";
+  if (/^\d+\.\s/.test(trimmed)) return "assistant-msg-line numbered";
+  if (/^-\s/.test(trimmed)) return "assistant-msg-line bullet";
+  return "assistant-msg-line";
+}
+
+function renderAssistantMessageBody(text: string): JSX.Element[] {
+  const blocks = splitAssistantMessageBlocks(text);
+  return blocks.map((block, blockIndex) => {
+    const lines = block.split("\n");
+    return (
+      <div key={`block-${blockIndex}`} className="assistant-msg-block">
+        {lines.map((line, lineIndex) => (
+          <p key={`line-${blockIndex}-${lineIndex}`} className={lineClassName(line)}>
+            {renderInlineBold(line, `line-${blockIndex}-${lineIndex}`)}
+          </p>
+        ))}
+      </div>
+    );
+  });
+}
+
 export function AssistantPanel({
   sessionId,
   conversation,
@@ -97,9 +186,17 @@ export function AssistantPanel({
   const [copyState, setCopyState] = useState<"idle" | "success" | "error">("idle");
   const [copyModeLabel, setCopyModeLabel] = useState<"чат" | "тех">("чат");
 
+  function scrollChatToBottom(forceStick = false): void {
+    if (!listRef.current) return;
+    if (forceStick) {
+      stickToBottomRef.current = true;
+    }
+    listRef.current.scrollTop = listRef.current.scrollHeight;
+  }
+
   useEffect(() => {
-    if (listRef.current && stickToBottomRef.current) {
-      listRef.current.scrollTop = listRef.current.scrollHeight;
+    if (stickToBottomRef.current) {
+      scrollChatToBottom();
     }
   }, [conversation]);
 
@@ -219,7 +316,7 @@ export function AssistantPanel({
                   </div>
                 ) : null}
               </header>
-              <div className="assistant-msg-body">{item.text}</div>
+              <div className="assistant-msg-body">{renderAssistantMessageBody(item.text)}</div>
               {item.role === "assistant" && item.debug ? (
                 <details className="assistant-debug">
                   <summary>Показать технический разбор</summary>
@@ -247,7 +344,15 @@ export function AssistantPanel({
               <input type="checkbox" checked={useMock} onChange={(event) => onUseMockChange(event.target.checked)} />
               Mock-режим
             </label>
-            <button type="button" className="assistant-send-btn" onClick={() => onSend()} disabled={busy || !inputValue.trim()}>
+            <button
+              type="button"
+              className="assistant-send-btn"
+              onClick={() => {
+                scrollChatToBottom(true);
+                void onSend();
+              }}
+              disabled={busy || !inputValue.trim()}
+            >
               {busy ? "Выполняю..." : "Отправить"}
             </button>
           </div>