Feat: Display the agent node running timeline #3221 (#8185)

### What problem does this PR solve?

Feat: Display the agent node running timeline #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/components/originui/timeline.tsx

@@ -0,0 +1,209 @@
+'use client';
+
+import { cn } from '@/lib/utils';
+import { Slot } from '@radix-ui/react-slot';
+import * as React from 'react';
+
+// Types
+type TimelineContextValue = {
+  activeStep: number;
+  setActiveStep: (step: number) => void;
+};
+
+// Context
+const TimelineContext = React.createContext<TimelineContextValue | undefined>(
+  undefined,
+);
+
+const useTimeline = () => {
+  const context = React.useContext(TimelineContext);
+  if (!context) {
+    throw new Error('useTimeline must be used within a Timeline');
+  }
+  return context;
+};
+
+// Components
+interface TimelineProps extends React.HTMLAttributes<HTMLDivElement> {
+  defaultValue?: number;
+  value?: number;
+  onValueChange?: (value: number) => void;
+  orientation?: 'horizontal' | 'vertical';
+}
+
+function Timeline({
+  defaultValue = 1,
+  value,
+  onValueChange,
+  orientation = 'vertical',
+  className,
+  ...props
+}: TimelineProps) {
+  const [activeStep, setInternalStep] = React.useState(defaultValue);
+
+  const setActiveStep = React.useCallback(
+    (step: number) => {
+      if (value === undefined) {
+        setInternalStep(step);
+      }
+      onValueChange?.(step);
+    },
+    [value, onValueChange],
+  );
+
+  const currentStep = value ?? activeStep;
+
+  return (
+    <TimelineContext.Provider
+      value={{ activeStep: currentStep, setActiveStep }}
+    >
+      <div
+        data-slot="timeline"
+        className={cn(
+          'group/timeline flex data-[orientation=horizontal]:w-full data-[orientation=horizontal]:flex-row data-[orientation=vertical]:flex-col',
+          className,
+        )}
+        data-orientation={orientation}
+        {...props}
+      />
+    </TimelineContext.Provider>
+  );
+}
+
+// TimelineContent
+function TimelineContent({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      data-slot="timeline-content"
+      className={cn('text-muted-foreground text-sm', className)}
+      {...props}
+    />
+  );
+}
+
+// TimelineDate
+interface TimelineDateProps extends React.HTMLAttributes<HTMLTimeElement> {
+  asChild?: boolean;
+}
+
+function TimelineDate({
+  asChild = false,
+  className,
+  ...props
+}: TimelineDateProps) {
+  const Comp = asChild ? Slot : 'time';
+
+  return (
+    <Comp
+      data-slot="timeline-date"
+      className={cn(
+        'text-muted-foreground mb-1 block text-xs font-medium group-data-[orientation=vertical]/timeline:max-sm:h-4',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+// TimelineHeader
+function TimelineHeader({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div data-slot="timeline-header" className={cn(className)} {...props} />
+  );
+}
+
+// TimelineIndicator
+interface TimelineIndicatorProps extends React.HTMLAttributes<HTMLDivElement> {
+  asChild?: boolean;
+}
+
+function TimelineIndicator({
+  asChild = false,
+  className,
+  children,
+  ...props
+}: TimelineIndicatorProps) {
+  return (
+    <div
+      data-slot="timeline-indicator"
+      className={cn(
+        'border-primary/20 group-data-completed/timeline-item:border-primary absolute size-4 rounded-full border-2 group-data-[orientation=horizontal]/timeline:-top-6 group-data-[orientation=horizontal]/timeline:left-0 group-data-[orientation=horizontal]/timeline:-translate-y-1/2 group-data-[orientation=vertical]/timeline:top-0 group-data-[orientation=vertical]/timeline:-left-6 group-data-[orientation=vertical]/timeline:-translate-x-1/2',
+        className,
+      )}
+      aria-hidden="true"
+      {...props}
+    >
+      {children}
+    </div>
+  );
+}
+
+// TimelineItem
+interface TimelineItemProps extends React.HTMLAttributes<HTMLDivElement> {
+  step: number;
+}
+
+function TimelineItem({ step, className, ...props }: TimelineItemProps) {
+  const { activeStep } = useTimeline();
+
+  return (
+    <div
+      data-slot="timeline-item"
+      className={cn(
+        'group/timeline-item has-[+[data-completed]]:[&_[data-slot=timeline-separator]]:bg-primary relative flex flex-1 flex-col gap-0.5 group-data-[orientation=horizontal]/timeline:mt-8 group-data-[orientation=horizontal]/timeline:not-last:pe-8 group-data-[orientation=vertical]/timeline:ms-8 group-data-[orientation=vertical]/timeline:not-last:pb-12',
+        className,
+      )}
+      data-completed={step <= activeStep || undefined}
+      {...props}
+    />
+  );
+}
+
+// TimelineSeparator
+function TimelineSeparator({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      data-slot="timeline-separator"
+      className={cn(
+        'bg-primary/10 absolute self-start group-last/timeline-item:hidden group-data-[orientation=horizontal]/timeline:-top-6 group-data-[orientation=horizontal]/timeline:h-0.5 group-data-[orientation=horizontal]/timeline:w-[calc(100%-1rem-0.25rem)] group-data-[orientation=horizontal]/timeline:translate-x-4.5 group-data-[orientation=horizontal]/timeline:-translate-y-1/2 group-data-[orientation=vertical]/timeline:-left-6 group-data-[orientation=vertical]/timeline:h-[calc(100%-1rem-0.25rem)] group-data-[orientation=vertical]/timeline:w-0.5 group-data-[orientation=vertical]/timeline:-translate-x-1/2 group-data-[orientation=vertical]/timeline:translate-y-4.5',
+        className,
+      )}
+      aria-hidden="true"
+      {...props}
+    />
+  );
+}
+
+// TimelineTitle
+function TimelineTitle({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLHeadingElement>) {
+  return (
+    <h3
+      data-slot="timeline-title"
+      className={cn('text-sm font-medium', className)}
+      {...props}
+    />
+  );
+}
+
+export {
+  Timeline,
+  TimelineContent,
+  TimelineDate,
+  TimelineHeader,
+  TimelineIndicator,
+  TimelineItem,
+  TimelineSeparator,
+  TimelineTitle,
+};