fix(site): inline dl/dt/dd classNames and use justify-between layout in session tables (#24118)

When we refactored into definition lists for tables, we lost the ability
to have the rows extend beyond the vertical line between `<dt>` and
`<dd>`

This adds a wrapping `<div>` to make each row independent, which is
[a-ok per
MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/dl#wrapping_name-value_groups_in_div_elements),
an also is implied in the Figma:
<img width="477" height="182" alt="Screenshot 2026-04-07 at 4 29 14 PM"
src="https://github.com/user-attachments/assets/524acfc3-c614-479e-9a13-36107c158ee8"
/>

---

Before 
<img width="420" height="266" alt="Screenshot 2026-04-07 at 4 24 22 PM"
src="https://github.com/user-attachments/assets/7001c17c-05da-4f90-b6d4-a9c6cab695cb"
/>

After
<img width="410" height="355" alt="Screenshot 2026-04-07 at 4 24 36 PM"
src="https://github.com/user-attachments/assets/3d1d278d-0080-44be-8d32-bb5dff879969"
/>

site/src/pages/AIBridgePage/SessionThreadsPage/SessionSummaryTable.tsx

@@ -3,7 +3,6 @@ import { Avatar } from "#/components/Avatar/Avatar";
 import { Badge } from "#/components/Badge/Badge";
 import { AIBridgeClientIcon } from "#/pages/AIBridgePage/RequestLogsPage/icons/AIBridgeClientIcon";
 import { AIBridgeProviderIcon } from "#/pages/AIBridgePage/RequestLogsPage/icons/AIBridgeProviderIcon";
-import { cn } from "#/utils/cn";
 import { formatDateTime } from "#/utils/time";
 import { TokenBadges } from "../TokenBadges";
 import { getProviderDisplayName, getProviderIconName } from "../utils";
@@ -43,105 +42,130 @@ export const SessionSummaryTable = ({
 			: undefined;
 
 	return (
-		<dl
-			className={cn(
-				"text-sm text-content-secondary m-0 whitespace-nowrap",
-				"grid grid-cols-[auto_1fr] gap-y-2 [&_dd]:ml-0 [&_dd]:text-content-primary",
-				"[&_dd]:h-6 [&_dd]:flex [&_dd]:min-w-0 [&_dd]:items-center [&_dd]:justify-end",
-				"[&_dt]:h-6 [&_dt]:inline-flex [&_dt]:items-center [&_dt]:font-normal",
-			)}
-		>
-			<dt>Session ID</dt>
-			<dd className="text-xs font-mono min-w-0" title={sessionId}>
-				<span className="truncate w-full text-right">{sessionId}</span>
-			</dd>
+		<dl className="text-sm text-content-secondary m-0 flex flex-col gap-y-2">
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Session ID</dt>
+				<dd
+					className="ml-4 min-w-0 truncate text-content-primary text-xs font-mono"
+					title={sessionId}
+				>
+					{sessionId}
+				</dd>
+			</div>
 
-			<dt>Start time</dt>
-			<dd className="text-xs font-mono" title={formatDateTime(startTime)}>
-				{formatDateTime(startTime)}
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Start time</dt>
+				<dd
+					className="ml-4 min-w-0 truncate text-content-primary text-xs font-mono"
+					title={formatDateTime(startTime)}
+				>
+					{formatDateTime(startTime)}
+				</dd>
+			</div>
 
-			<dt>End time</dt>
-			<dd className="text-xs font-mono">
-				{endTime ? formatDateTime(endTime) : "—"}
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">End time</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary text-xs font-mono">
+					{endTime ? formatDateTime(endTime) : "—"}
+				</dd>
+			</div>
 
-			<dt>Duration</dt>
-			<dd
-				className="text-xs font-mono"
-				title={durationInMs !== undefined ? `${durationInMs} ms` : undefined}
-			>
-				{durationInMs !== undefined
-					? `${Math.round(durationInMs / 1000)} s`
-					: "—"}
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Duration</dt>
+				<dd
+					className="ml-4 min-w-0 truncate text-content-primary text-xs font-mono"
+					title={durationInMs !== undefined ? `${durationInMs} ms` : undefined}
+				>
+					{durationInMs !== undefined
+						? `${Math.round(durationInMs / 1000)} s`
+						: "—"}
+				</dd>
+			</div>
 
-			<dt>Initiator</dt>
-			<dd>
-				<div className="flex w-full min-w-0 items-center justify-end gap-2">
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Initiator</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary flex items-center gap-2">
 					<Avatar
 						size="sm"
 						src={initiator.avatar_url}
 						fallback={initiator.name}
 					/>
-					<span className="truncate min-w-0 text-right" title={initiator.name}>
+					<span className="truncate min-w-0" title={initiator.name}>
 						{initiator.name}
 					</span>
-				</div>
-			</dd>
-
-			<dt>Client</dt>
-			<dd>
-				<Badge className="gap-1.5 max-w-full min-w-0 overflow-hidden">
-					<div className="flex-shrink-0 flex items-center">
-						<AIBridgeClientIcon client={client} className="size-icon-xs" />
-					</div>
-					<span className="truncate min-w-0 flex-1" title={client ?? "Unknown"}>
-						{client ?? "Unknown"}
-					</span>
-				</Badge>
-			</dd>
-
-			<dt className="self-start">Provider</dt>
-			<dd>
-				{providers.map((p) => (
-					<Badge key={p} className="gap-1.5 max-w-full min-w-0 overflow-hidden">
-						<AIBridgeProviderIcon
-							provider={getProviderIconName(p)}
-							className="size-icon-xs"
-						/>
-						<span
-							className="truncate min-w-0 flex-1"
-							title={getProviderDisplayName(p)}
-						>
-							{getProviderDisplayName(p)}
-						</span>
-					</Badge>
-				))}
-			</dd>
-
-			<div className="col-span-2">
-				<Separator />
+				</dd>
 			</div>
 
-			<dt>In / out tokens</dt>
-			<dd>
-				<TokenBadges
-					inputTokens={inputTokens}
-					outputTokens={outputTokens}
-					tokenUsageMetadata={tokenUsageMetadata}
-				/>
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Client</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary">
+					<Badge className="gap-1.5 max-w-full min-w-0 overflow-hidden">
+						<div className="flex-shrink-0 flex items-center">
+							<AIBridgeClientIcon client={client} className="size-icon-xs" />
+						</div>
+						<span
+							className="truncate min-w-0 flex-1"
+							title={client ?? "Unknown"}
+						>
+							{client ?? "Unknown"}
+						</span>
+					</Badge>
+				</dd>
+			</div>
 
-			<dt>Threads</dt>
-			<dd>
-				<Badge>{threadCount}</Badge>
-			</dd>
+			<div className="flex items-start justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap mt-1">
+					Provider
+				</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary flex flex-wrap gap-1">
+					{providers.map((p) => (
+						<Badge
+							key={p}
+							className="gap-1.5 max-w-full min-w-0 overflow-hidden"
+						>
+							<AIBridgeProviderIcon
+								provider={getProviderIconName(p)}
+								className="size-icon-xs"
+							/>
+							<span
+								className="truncate min-w-0 flex-1"
+								title={getProviderDisplayName(p)}
+							>
+								{getProviderDisplayName(p)}
+							</span>
+						</Badge>
+					))}
+				</dd>
+			</div>
 
-			<dt>Tool calls</dt>
-			<dd>
-				<Badge>{toolCallCount}</Badge>
-			</dd>
+			<Separator />
+
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">
+					In / out tokens
+				</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary">
+					<TokenBadges
+						inputTokens={inputTokens}
+						outputTokens={outputTokens}
+						tokenUsageMetadata={tokenUsageMetadata}
+					/>
+				</dd>
+			</div>
+
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Threads</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary">
+					<Badge>{threadCount}</Badge>
+				</dd>
+			</div>
+
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 font-normal whitespace-nowrap">Tool calls</dt>
+				<dd className="ml-4 min-w-0 truncate text-content-primary">
+					<Badge>{toolCallCount}</Badge>
+				</dd>
+			</div>
 		</dl>
 	);
 };

site/src/pages/AIBridgePage/SessionThreadsPage/SessionTimeline/PromptTable.tsx

@@ -31,46 +31,47 @@ export const PromptTable: FC<PromptTableProps> = ({
 	return (
 		<dl
 			className={cn(
-				"text-sm text-content-secondary font-normal m-0 grid grid-cols-[auto_1fr] gap-x-4 gap-y-2 items-center",
-				"[&_dt]:whitespace-nowrap py-1",
-				"[&_dt]:pr-4 [&_dt]:flex [&_dt]:items-center [&_dt]:h-6",
-				"[&_dd]:m-0 [&_dd]:min-w-0 [&_dd]:h-6",
+				"text-sm text-content-secondary font-normal m-0 flex flex-col gap-y-2 py-1",
 				className,
 			)}
 		>
-			<dt>Timestamp</dt>
-			<dd
-				className="text-right flex items-center justify-end"
-				title={formatDate(timestamp)}
-			>
-				<span className="block font-mono text-xs whitespace-nowrap truncate">
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 whitespace-nowrap">Timestamp</dt>
+				<dd
+					className="ml-4 min-w-0 truncate font-mono text-xs"
+					title={formatDate(timestamp)}
+				>
 					{formatDate(timestamp)}
-				</span>
-			</dd>
+				</dd>
+			</div>
 
-			<dt>Model</dt>
-			<dd className="flex justify-end">
-				<TooltipProvider>
-					<Tooltip>
-						<TooltipTrigger asChild>
-							<Badge className="gap-1.5 max-w-full min-w-0 overflow-hidden">
-								<AIBridgeModelIcon model={model} className="size-icon-xs" />
-								<span className="truncate min-w-0 flex-1">{model}</span>
-							</Badge>
-						</TooltipTrigger>
-						<TooltipContent>{model}</TooltipContent>
-					</Tooltip>
-				</TooltipProvider>
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 whitespace-nowrap">Model</dt>
+				<dd className="ml-4 min-w-0 truncate flex justify-end">
+					<TooltipProvider>
+						<Tooltip>
+							<TooltipTrigger asChild>
+								<Badge className="gap-1.5 max-w-full min-w-0 overflow-hidden">
+									<AIBridgeModelIcon model={model} className="size-icon-xs" />
+									<span className="truncate min-w-0 flex-1">{model}</span>
+								</Badge>
+							</TooltipTrigger>
+							<TooltipContent>{model}</TooltipContent>
+						</Tooltip>
+					</TooltipProvider>
+				</dd>
+			</div>
 
-			<dt>In / out tokens</dt>
-			<dd className="flex justify-end">
-				<TokenBadges
-					inputTokens={inputTokens}
-					outputTokens={outputTokens}
-					tokenUsageMetadata={tokenUsageMetadata}
-				/>
-			</dd>
+			<div className="flex items-center justify-between">
+				<dt className="shrink-0 whitespace-nowrap">In / out tokens</dt>
+				<dd className="ml-4 min-w-0 truncate flex justify-end">
+					<TokenBadges
+						inputTokens={inputTokens}
+						outputTokens={outputTokens}
+						tokenUsageMetadata={tokenUsageMetadata}
+					/>
+				</dd>
+			</div>
 		</dl>
 	);
 };

site/src/pages/AIBridgePage/SessionThreadsPage/SessionTimeline/ToolCallTable.tsx

@@ -29,7 +29,7 @@ export const ToolCallTable: FC<ToolCallTableProps> = ({
 			)}
 		>
 			<div className="flex items-center justify-between whitespace-nowrap">
-				<span className="pr-4">In / out tokens</span>
+				<span className="pr-4 whitespace-nowrap">In / out tokens</span>
 				<TokenBadges
 					inputTokens={inputTokens}
 					outputTokens={outputTokens}
@@ -37,7 +37,7 @@ export const ToolCallTable: FC<ToolCallTableProps> = ({
 				/>
 			</div>
 			<div className="flex items-center justify-between">
-				<span className="pr-4">Started at</span>
+				<span className="pr-4 whitespace-nowrap">Started at</span>
 				<span
 					className="font-mono text-xs whitespace-nowrap truncate"
 					title={formatDate(timestamp)}
@@ -47,7 +47,7 @@ export const ToolCallTable: FC<ToolCallTableProps> = ({
 			</div>
 			{serverURL && (
 				<div className="flex items-center justify-between">
-					<span className="pr-4">MCP server</span>
+					<span className="pr-4 whitespace-nowrap">MCP server</span>
 					<span className="font-mono truncate">{serverURL}</span>
 					<CopyButton text={serverURL} label="Copy MCP server URL" />
 				</div>