refactor atom components to use .withProps() subcomponents and extract inline code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

clients/web/src/components/atoms/ContentViewer/ContentViewer.tsx

@@ -16,11 +16,31 @@ function formatJson(content: string): string {
   }
 }
 
+function buildDataUri(mimeType: string, content: string): string {
+  return `data:${mimeType};base64,${content}`;
+}
+
+function formatContent(type: "text" | "json", content: string): string {
+  return type === "json" ? formatJson(content) : content;
+}
+
 const ContentWrapper = Flex.withProps({
   pos: "relative",
   direction: "column",
 });
 
+const CopyOverlay = Flex.withProps({
+  pos: "absolute",
+  top: 4,
+  right: 4,
+});
+
+const PreviewImage = Image.withProps({
+  alt: "Content preview",
+  maw: 400,
+  radius: "md",
+});
+
 export function ContentViewer({
   type,
   content,
@@ -34,26 +54,21 @@ export function ContentViewer({
       {(type === "json" || type === "text") && (
         <ContentWrapper>
           <Code block p={36}>
-            {type === "json" ? formatJson(content) : content}
+            {formatContent(type, content)}
           </Code>
           {showCopy && (
-            <Flex pos="absolute" top={4} right={4}>
+            <CopyOverlay>
               <CopyButton value={content} />
-            </Flex>
+            </CopyOverlay>
           )}
         </ContentWrapper>
       )}
       {type === "image" && (
-        <Image
-          src={`data:${mimeType || "image/png"};base64,${content}`}
-          alt="Content preview"
-          maw={400}
-          radius="md"
-        />
+        <PreviewImage src={buildDataUri(mimeType || "image/png", content)} />
       )}
       {type === "audio" && (
         <audio controls>
-          <source src={`data:${mimeType || "audio/wav"};base64,${content}`} />
+          <source src={buildDataUri(mimeType || "audio/wav", content)} />
         </audio>
       )}
     </Stack>

clients/web/src/components/atoms/InlineError/InlineError.tsx

@@ -9,6 +9,46 @@ export interface InlineErrorProps {
   docLink?: string;
 }
 
+const HeaderRow = Group.withProps({
+  justify: "space-between",
+  wrap: "nowrap",
+});
+
+const MessageGroup = Group.withProps({
+  gap: "sm",
+  wrap: "nowrap",
+});
+
+const ErrorMessage = Text.withProps({
+  size: "sm",
+  fw: 500,
+  c: "red",
+});
+
+const RetryText = Text.withProps({
+  size: "sm",
+  c: "dimmed",
+});
+
+const ExpandButton = Button.withProps({
+  variant: "transparent",
+  size: "compact-xs",
+  c: "var(--inspector-text-primary)",
+});
+
+const DocLinkButton = Button.withProps({
+  variant: "light",
+  size: "xs",
+  component: "a",
+  target: "_blank",
+});
+
+function formatRetryLabel(retryCount: number, maxRetries?: number): string {
+  return maxRetries !== undefined
+    ? `Retry attempt ${retryCount} of ${maxRetries}`
+    : `Retry attempt ${retryCount}`;
+}
+
 export function InlineError({
   message,
   details,
@@ -22,42 +62,26 @@ export function InlineError({
   return (
     <Alert color="red" variant="light">
       <Stack gap="xs">
-        <Group justify="space-between" wrap="nowrap">
-          <Group gap="sm" wrap="nowrap">
-            <Text size="sm" fw={500} c="red">
-              {message}
-            </Text>
+        <HeaderRow>
+          <MessageGroup>
+            <ErrorMessage>{message}</ErrorMessage>
             {retryCount !== undefined && (
-              <Text size="sm" c="dimmed">
-                Retry attempt {retryCount}
-                {maxRetries !== undefined && ` of ${maxRetries}`}
-              </Text>
+              <RetryText>{formatRetryLabel(retryCount, maxRetries)}</RetryText>
             )}
-          </Group>
+          </MessageGroup>
           {hasExpandable && (
-            <Button
-              variant="transparent"
-              size="compact-xs"
-              c="var(--inspector-text-primary)"
-              onClick={() => setExpanded((v) => !v)}
-            >
+            <ExpandButton onClick={() => setExpanded((v) => !v)}>
               {expanded ? "Show less" : "Show more"}
-            </Button>
+            </ExpandButton>
           )}
-        </Group>
+        </HeaderRow>
         <Collapse in={expanded}>
           <Stack gap="xs">
             {details && <Text size="sm">{details}</Text>}
             {docLink && (
-              <Button
-                variant="light"
-                size="xs"
-                component="a"
-                href={docLink}
-                target="_blank"
-              >
+              <DocLinkButton href={docLink}>
                 View Troubleshooting Guide
-              </Button>
+              </DocLinkButton>
             )}
           </Stack>
         </Collapse>

clients/web/src/components/atoms/ListChangedIndicator/ListChangedIndicator.tsx

@@ -1,17 +1,27 @@
-import { Button, Flex, Group, Text } from "@mantine/core";
+import { Button, Group, Paper, Text } from "@mantine/core";
 
 export interface ListChangedIndicatorProps {
   visible: boolean;
   onRefresh: () => void;
 }
 
-const Dot = Flex.withProps({
+const Dot = Paper.withProps({
   w: 8,
   h: 8,
-  style: { borderRadius: "50%" },
+  radius: "xl",
   bg: "var(--inspector-status-connecting)",
 });
 
+const UpdateLabel = Text.withProps({
+  size: "sm",
+  c: "dimmed",
+});
+
+const RefreshButton = Button.withProps({
+  size: "xs",
+  variant: "light",
+});
+
 export function ListChangedIndicator({
   visible,
   onRefresh,
@@ -21,12 +31,8 @@ export function ListChangedIndicator({
   return (
     <Group gap="xs">
       <Dot />
-      <Text size="sm" c="dimmed">
-        List updated
-      </Text>
-      <Button size="xs" variant="light" onClick={onRefresh}>
-        ↻ Refresh
-      </Button>
+      <UpdateLabel>List updated</UpdateLabel>
+      <RefreshButton onClick={onRefresh}>↻ Refresh</RefreshButton>
     </Group>
   );
 }

clients/web/src/components/atoms/LogEntry/LogEntry.tsx

@@ -54,24 +54,37 @@ function isBoldLevel(level: LogLevel): boolean {
   return level === "alert" || level === "emergency";
 }
 
+function getBoldWeight(level: LogLevel): number | undefined {
+  return isBoldLevel(level) ? 700 : undefined;
+}
+
+function formatLogger(logger: string): string {
+  return `[${logger}]`;
+}
+
+const TimestampText = Text.withProps({
+  size: "sm",
+  ff: "monospace",
+  c: "dimmed",
+});
+
+const LoggerText = Text.withProps({
+  size: "xs",
+  c: "dimmed",
+});
+
 export function LogEntry({ timestamp, level, message, logger }: LogEntryProps) {
   return (
     <Group gap="sm" wrap="nowrap">
-      <Text size="sm" ff="monospace" c="dimmed">
-        {timestamp}
-      </Text>
+      <TimestampText>{timestamp}</TimestampText>
       <Badge
         color={levelBadgeColor[level]}
         variant={levelBadgeVariant[level]}
-        fw={isBoldLevel(level) ? 700 : undefined}
+        fw={getBoldWeight(level)}
       >
         {level}
       </Badge>
-      {logger && (
-        <Text size="xs" c="dimmed">
-          [{logger}]
-        </Text>
-      )}
+      {logger && <LoggerText>{formatLogger(logger)}</LoggerText>}
       <Text size="sm" c={levelMessageColor[level]}>
         {message}
       </Text>

clients/web/src/components/atoms/MessageBubble/MessageBubble.tsx

@@ -9,6 +9,35 @@ export interface MessageBubbleProps {
   audioContent?: { data: string; mimeType: string };
 }
 
+function buildDataUri(mimeType: string, data: string): string {
+  return `data:${mimeType};base64,${data}`;
+}
+
+function formatRoleLabel(index: number, role: string): string {
+  return `[${index}] role: ${role}`;
+}
+
+function formatQuotedContent(content: string): string {
+  return `"${content}"`;
+}
+
+const BubbleContainer = Paper.withProps({
+  p: "md",
+  radius: "md",
+  withBorder: true,
+});
+
+const RoleLabel = Text.withProps({
+  size: "xs",
+  c: "dimmed",
+});
+
+const PreviewImage = Image.withProps({
+  maw: 300,
+  radius: "sm",
+  mt: "xs",
+});
+
 export function MessageBubble({
   index,
   role,
@@ -17,32 +46,27 @@ export function MessageBubble({
   audioContent,
 }: MessageBubbleProps) {
   return (
-    <Paper p="md" radius="md" withBorder>
+    <BubbleContainer>
       <Stack gap="xs">
         <Group justify="space-between">
-          <Text size="xs" c="dimmed">
-            [{index}] role: {role}
-          </Text>
+          <RoleLabel>{formatRoleLabel(index, role)}</RoleLabel>
           <CopyButton value={content} />
         </Group>
-        <Text size="sm">&quot;{content}&quot;</Text>
+        <Text size="sm">{formatQuotedContent(content)}</Text>
         {imageContent && (
-          <Image
-            src={`data:${imageContent.mimeType};base64,${imageContent.data}`}
-            maw={300}
-            radius="sm"
-            mt="xs"
+          <PreviewImage
+            src={buildDataUri(imageContent.mimeType, imageContent.data)}
           />
         )}
         {audioContent && (
           <audio controls>
             <source
-              src={`data:${audioContent.mimeType};base64,${audioContent.data}`}
+              src={buildDataUri(audioContent.mimeType, audioContent.data)}
               type={audioContent.mimeType}
             />
           </audio>
         )}
       </Stack>
-    </Paper>
+    </BubbleContainer>
   );
 }

clients/web/src/components/atoms/ProgressDisplay/ProgressDisplay.tsx

@@ -6,6 +6,20 @@ export interface ProgressDisplayProps {
   elapsed?: string;
 }
 
+function formatPercent(progress: number): string {
+  return `${progress}%`;
+}
+
+const ProgressLabel = Text.withProps({
+  size: "sm",
+  c: "dimmed",
+});
+
+const ElapsedText = Text.withProps({
+  size: "xs",
+  c: "dimmed",
+});
+
 export function ProgressDisplay({
   progress,
   description,
@@ -14,21 +28,11 @@ export function ProgressDisplay({
   return (
     <Stack gap="xs">
       <Group justify="space-between">
-        {description && (
-          <Text size="sm" c="dimmed">
-            {description}
-          </Text>
-        )}
-        <Text size="sm" c="dimmed">
-          {progress}%
-        </Text>
+        {description && <ProgressLabel>{description}</ProgressLabel>}
+        <ProgressLabel>{formatPercent(progress)}</ProgressLabel>
       </Group>
       <Progress value={progress} size="sm" />
-      {elapsed && (
-        <Text size="xs" c="dimmed">
-          {elapsed}
-        </Text>
-      )}
+      {elapsed && <ElapsedText>{elapsed}</ElapsedText>}
     </Stack>
   );
 }

clients/web/src/components/atoms/StatusIndicator/StatusIndicator.tsx

@@ -1,4 +1,4 @@
-import { Flex, Group, Text } from "@mantine/core";
+import { Group, Paper, Text } from "@mantine/core";
 
 export interface StatusIndicatorProps {
   status: "connected" | "connecting" | "disconnected" | "failed";
@@ -30,10 +30,10 @@ function getLabel(
   }
 }
 
-const Dot = Flex.withProps({
+const Dot = Paper.withProps({
   w: 10,
   h: 10,
-  style: { borderRadius: "50%" },
+  radius: "xl",
 });
 
 export function StatusIndicator({