Fix ArrowDown import

vibn-frontend/app/api/chat/route.ts

@@ -71,6 +71,7 @@ function classifyTurnIntent(message: string): TurnIntent {
 
   // High-agency directives
   if (
+    /^(yes|yep|yeah|yup|sure|ok|okay|kk|k|please|fix it)\b/.test(m) ||
     /(keep going|continue|build it|do it|go ahead|proceed|autonomous)/.test(m)
   )
     return "autonomous";
@@ -134,7 +135,7 @@ function classifyTurnIntent(message: string): TurnIntent {
       m,
     ) ||
     // Acknowledgements / pleasantries
-    /^(thanks|thank you|ty|ok|okay|kk|k|yes|yep|yeah|yup|no|nope|nah|sure|cool|nice|great|awesome|perfect|got it|sounds good|will do|nvm|never mind)\b/.test(
+    /^(thanks|thank you|ty|no|nope|nah|cool|nice|great|awesome|perfect|got it|sounds good|will do|nvm|never mind)\b/.test(
       m,
     ) ||
     /(what'?s up|how are you|how'?s it going|good to see you)/.test(m) ||

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 <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} />;
@@ -665,6 +665,92 @@ 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);
+  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 = {
     overflowWrap: "anywhere",
@@ -1060,6 +1146,7 @@ export function ChatPanel({
       .catch(() => {});
   }, [projectId, workspace, status]);
   const [sending, setSending] = useState(false);
+  const [showScrollButton, setShowScrollButton] = useState(false);
   const [currentPhaseLabel, setCurrentPhaseLabel] = useState<string | null>(
     null,
   );
@@ -1890,6 +1977,11 @@ export function ChatPanel({
 
       {/* Messages */}
       <div
+        onScroll={(e) => {
+          const { scrollTop, scrollHeight, clientHeight } = e.currentTarget;
+          const distanceToBottom = scrollHeight - scrollTop - clientHeight;
+          setShowScrollButton(distanceToBottom > 150);
+        }}
         style={{
           flex: 1,
           minWidth: 0,
@@ -2119,6 +2211,35 @@ export function ChatPanel({
 
 
 
+        {/* Scroll to bottom button */}
+        {showScrollButton && (
+          <button
+            onClick={scrollToBottom}
+            style={{
+              position: "absolute",
+              bottom: "calc(100% + 12px)",
+              left: "50%",
+              transform: "translateX(-50%)",
+              background: "#ffffff",
+              border: "1px solid #e4e4e7",
+              boxShadow: "0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)",
+              borderRadius: "50%",
+              width: 32,
+              height: 32,
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              cursor: "pointer",
+              zIndex: 50,
+              color: "#52525b",
+              transition: "all 0.2s ease",
+            }}
+            aria-label="Scroll to bottom"
+          >
+            <ArrowDown size={16} />
+          </button>
+        )}
+
         <ProjectPreviewChatInputWrap unifiedShell={unifiedProjectShell}>
           {(selectToggle) => (
             <div