Simplify chat by removing V avatar icon

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

@@ -9,7 +9,7 @@ import React, {
   type CSSProperties,
 } from "react";
 import Link from "next/link";
-import { useSession } from "next-auth/react";
+import { ArrowDown, useSession } from "next-auth/react";
 import { useParams, usePathname } from "next/navigation";
 import {
   MessageSquare,
@@ -520,28 +520,21 @@ const MessageBubble = React.memo(function MessageBubble({
           style={{
             width: 24,
             height: 24,
-            borderRadius: "50%",
-            background: "#f4f4f5", // Zinc-100 instead of black
             display: "flex",
             alignItems: "center",
             justifyContent: "center",
             marginRight: 8,
             flexShrink: 0,
             marginTop: 2,
-            border: "1px solid #e4e4e7",
           }}
         >
-          <span
-            style={{
-              color: "#18181b", // Dark gray instead of white
-              fontSize: "0.6rem",
-              fontWeight: 700,
-              fontFamily: "var(--font-lora),serif",
-              fontStyle: "italic",
-            }}
-          >
-            V.
-          </span>
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" style={{ color: "#a1a1aa" }}>
+            <path d="m12 3-1.912 5.813a2 2 0 0 1-1.275 1.275L3 12l5.813 1.912a2 2 0 0 1 1.275 1.275L12 21l1.912-5.813a2 2 0 0 1 1.275-1.275L21 12l-5.813-1.912a2 2 0 0 1-1.275-1.275L12 3Z"/>
+            <path d="M5 3v4"/>
+            <path d="M19 17v4"/>
+            <path d="M3 5h4"/>
+            <path d="M17 19h4"/>
+          </svg>
         </div>
       )}
       <div
@@ -643,7 +636,7 @@ function Timeline({ entries, isActiveStream }: { entries: TimelineEntry[], isAct
       {items.map((item, i) => {
         const isLast = i === items.length - 1;
         if (item.kind === "thought") {
-          return <TimelineText key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
+          return <TimelineThought key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
         }
         if (item.kind === "text") {
           return <TimelineText key={i} text={item.text} isStreaming={isActiveStream && isLast} />;
@@ -668,6 +661,89 @@ function Timeline({ entries, isActiveStream }: { entries: TimelineEntry[], isAct
  * bubble so each round of multi-tool-loop output reads as a discrete
  * step instead of concatenating into a wall of text.
  */
+
+function TimelineThought({ text, isStreaming }: { text: string; isStreaming?: boolean }) {
+  const [expanded, setExpanded] = React.useState(true);
+  
+  // Auto-collapse when streaming stops
+  const textLenRef = React.useRef(text.length);
+  React.useEffect(() => {
+    let t = setTimeout(() => {
+      if (text.length === textLenRef.current && !isStreaming) {
+        setExpanded(false);
+      }
+    }, 1500);
+    return () => clearTimeout(t);
+  }, [text, isStreaming]);
+
+  React.useEffect(() => {
+    textLenRef.current = text.length;
+  }, [text]);
+
+  return (
+    <div
+      style={{
+        margin: "8px 0",
+        fontFamily: "var(--font-inter),ui-sans-serif,sans-serif",
+      }}
+    >
+      <button
+        onClick={() => setExpanded((v) => !v)}
+        style={{
+          display: "flex",
+          alignItems: "center",
+          gap: 8,
+          background: "transparent",
+          border: "none",
+          padding: 0,
+          cursor: "pointer",
+          fontSize: "0.75rem",
+          color: "#71717a",
+          fontWeight: 500,
+        }}
+      >
+        <span
+          style={{
+            transform: expanded ? "rotate(90deg)" : "rotate(0deg)",
+            transition: "transform 0.15s ease",
+            display: "inline-block",
+            fontSize: "0.65rem",
+            color: "#a1a1aa"
+          }}
+        >
+          ▶
+        </span>
+        <span className={isStreaming ? "animate-pulse" : ""} style={{ transition: "opacity 0.2s ease" }}>
+          Analyzed task
+        </span>
+      </button>
+      
+      {expanded && (
+        <div
+          style={{
+            marginTop: 8,
+            marginLeft: 6,
+            paddingLeft: 12,
+            borderLeft: "2px solid #e5e7eb",
+            fontSize: "0.84rem",
+            color: "#52525b",
+            lineHeight: 1.6,
+            whiteSpace: "pre-wrap",
+            overflowWrap: "anywhere",
+            wordBreak: "break-word",
+          }}
+        >
+          <span
+            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 = {
     overflowWrap: "anywhere",
@@ -1068,6 +1144,8 @@ export function ChatPanel({
   );
   const [showThreads, setShowThreads] = useState(false);
   const [mcpToken, setMcpToken] = useState<string | null>(null);
+  const [showScrollButton, setShowScrollButton] = useState(false);
+  const scrollContainerRef = useRef<HTMLDivElement>(null);
   const [isChatMinimized, setIsChatMinimized] = useState<boolean>(false);
 
   // Auto-minimize when navigating to dashboard, auto-open when navigating to preview
@@ -2920,3 +2998,36 @@ export function ChatPanel({
   );
 }
 
+
+
+
+
+function ScrollToBottomButton({ onClick, visible }: { onClick: () => void, visible: boolean }) {
+  if (!visible) return null;
+  return (
+    <button
+      onClick={onClick}
+      style={{
+        position: "absolute",
+        bottom: "80px",
+        left: "50%",
+        transform: "translateX(-50%)",
+        background: "#ffffff",
+        border: "1px solid #e5e7eb",
+        borderRadius: "999px",
+        padding: "6px",
+        boxShadow: "0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)",
+        cursor: "pointer",
+        color: "#4b5563",
+        zIndex: 50,
+        display: "flex",
+        alignItems: "center",
+        justifyContent: "center",
+        transition: "all 0.2s ease"
+      }}
+      aria-label="Scroll to bottom"
+    >
+      <ArrowDown size={16} />
+    </button>
+  );
+}