Re-remove TimelineThought component

vibn-frontend/components/vibn-chat/chat-panel.tsx

@@ -640,7 +640,7 @@ function Timeline({ entries, isActiveStream }: { entries: TimelineEntry[], isAct
       {items.map((item, i) => {
         const isLast = i === items.length - 1;
         if (item.kind === "thought") {
-          return <TimelineThought key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
+          return <TimelineText key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
         }
         if (item.kind === "text") {
           return <TimelineText key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
@@ -666,90 +666,6 @@ function Timeline({ entries, isActiveStream }: { entries: TimelineEntry[], isAct
  * step instead of concatenating into a wall of text.
  */
 
-function TimelineThought({ text, isStreaming }: { text: string; isStreaming?: boolean }) {
-  const [expanded, setExpanded] = React.useState(true);
-  const textLenRef = React.useRef(text.length);
-
-  React.useEffect(() => {
-    // If not streaming, auto-collapse after a short delay so the user isn't stuck with huge thinking blocks
-    if (!isStreaming) {
-      const t = setTimeout(() => setExpanded(false), 500);
-      return () => clearTimeout(t);
-    }
-  }, [isStreaming]);
-
-  const proseWrap: React.CSSProperties = {
-    overflowWrap: "anywhere",
-    wordBreak: "break-word",
-    minWidth: 0,
-  };
-
-  return (
-    <div
-      style={{
-        margin: "12px 0",
-        fontFamily: "var(--font-inter),ui-sans-serif,sans-serif",
-      }}
-    >
-      <button
-        onClick={() => setExpanded((v) => !v)}
-        style={{
-          display: "inline-flex",
-          alignItems: "center",
-          gap: 6,
-          background: "#f4f4f5",
-          border: "1px solid #e4e4e7",
-          borderRadius: "999px",
-          padding: "4px 10px",
-          cursor: "pointer",
-          fontSize: "0.75rem",
-          color: "#52525b",
-          fontWeight: 500,
-          transition: "all 0.2s ease",
-          boxShadow: "0 1px 2px rgba(0,0,0,0.02)",
-        }}
-      >
-        <Sparkles 
-          size={14} 
-          className={isStreaming ? "animate-pulse" : ""} 
-          style={{ color: "#8b5cf6" }} 
-        />
-        <span className={isStreaming ? "animate-pulse" : ""} style={{ transition: "opacity 0.2s ease" }}>
-          {isStreaming ? "Thinking..." : "Thought Process"}
-        </span>
-        <ChevronRight
-          size={14}
-          style={{
-            transform: expanded ? "rotate(90deg)" : "rotate(0deg)",
-            transition: "transform 0.2s ease",
-            color: "#a1a1aa"
-          }}
-        />
-      </button>
-      {expanded && (
-        <div
-          style={{
-            marginTop: 8,
-            padding: "10px 14px",
-            borderLeft: "2px solid #c4b5fd",
-            fontSize: "0.85rem",
-            color: "#52525b",
-            background: "linear-gradient(to right, #f5f3ff 0%, transparent 100%)",
-            borderRadius: "0 8px 8px 0",
-            ...proseWrap,
-          }}
-        >
-          <span
-            style={proseWrap}
-            dangerouslySetInnerHTML={{
-              __html: renderMarkdown(stripRawToolLogs(text)) + (isStreaming ? `<span class="animate-pulse" style="display:inline-block; width:6px; height:13px; background-color:#9ca3af; vertical-align:-1px; margin-left:2px; border-radius:1px;"></span>` : ""),
-            }}
-          />
-        </div>
-      )}
-    </div>
-  );
-}
 
 function TimelineText({ text, isStreaming }: { text: string; isStreaming?: boolean }) {
   const proseWrap: React.CSSProperties = {