diff --git a/packages/ai/src/ChatComposer.tsx b/packages/ai/src/ChatComposer.tsx
index 38e0ef1..6921541 100644
--- a/packages/ai/src/ChatComposer.tsx
+++ b/packages/ai/src/ChatComposer.tsx
@@ -88,7 +88,7 @@ export function ChatComposer({
 					}}
 					placeholder={placeholder}
 					rows={2}
-					className="text-ink placeholder:text-ink-faint block w-full resize-none border-0 bg-transparent text-sm leading-6 outline-none focus:border-0 focus:outline-none focus:ring-0"
+					className="text-ink placeholder:text-ink-faint block w-full resize-none rounded-md border-0 bg-transparent text-sm leading-6 outline-none focus:border-0 focus:outline-none focus:ring-0 focus-visible:ring-2 focus-visible:ring-accent"
 				/>
 
 				<div className="mt-4 flex items-center justify-between gap-3">
@@ -139,7 +139,11 @@ export function ChatComposer({
 						{toolbarExtra}
 
 						{onOpenVoice && (
-							<CircleButton icon={Microphone} onClick={onOpenVoice} />
+							<CircleButton
+								icon={Microphone}
+								onClick={onOpenVoice}
+								aria-label="Open Voice Input"
+							/>
 						)}
 
 						<AnimatePresence initial={false}>
diff --git a/packages/ai/src/Markdown.tsx b/packages/ai/src/Markdown.tsx
index 7085ba9..f0f15b9 100644
--- a/packages/ai/src/Markdown.tsx
+++ b/packages/ai/src/Markdown.tsx
@@ -1,6 +1,5 @@
 import ReactMarkdown from 'react-markdown';
 import remarkGfm from 'remark-gfm';
-import rehypeRaw from 'rehype-raw';
 import { clsx } from 'clsx';
 import { forwardRef } from 'react';
 
@@ -18,7 +17,6 @@ const Markdown = forwardRef<HTMLDivElement, MarkdownProps>(
       >
         <ReactMarkdown
           remarkPlugins={[remarkGfm]}
-          rehypePlugins={[rehypeRaw]}
         >
           {content}
         </ReactMarkdown>
diff --git a/packages/ai/src/MessageBubble.tsx b/packages/ai/src/MessageBubble.tsx
index e53e509..2ebf094 100644
--- a/packages/ai/src/MessageBubble.tsx
+++ b/packages/ai/src/MessageBubble.tsx
@@ -45,6 +45,9 @@ export function MessageBubble({
 					<CircleButton
 						icon={Copy}
 						onClick={() => onCopy(content)}
+						aria-label={
+							isStreaming ? 'Copy Streaming Message' : 'Copy Message'
+						}
 						title={
 							isStreaming ? 'Copy streaming message' : 'Copy message'
 						}
diff --git a/packages/ai/src/TaskCreateForm.tsx b/packages/ai/src/TaskCreateForm.tsx
index 9794400..cfe3d94 100644
--- a/packages/ai/src/TaskCreateForm.tsx
+++ b/packages/ai/src/TaskCreateForm.tsx
@@ -1,6 +1,6 @@
 import { Button, Select, SelectOption } from "@spacedrive/primitives";
 import clsx from "clsx";
-import { useCallback, useState } from "react";
+import { useCallback, useId, useState } from "react";
 
 import type { TaskPriority } from "./types";
 import { TASK_PRIORITY_LABEL } from "./types";
@@ -31,6 +31,8 @@ export function TaskCreateForm({
 	const [title, setTitle] = useState("");
 	const [description, setDescription] = useState("");
 	const [priority, setPriority] = useState<TaskPriority>(defaultPriority);
+	const titleInputId = useId();
+	const descriptionInputId = useId();
 
 	const canSubmit = title.trim().length > 0 && !isSubmitting;
 
@@ -45,7 +47,11 @@ export function TaskCreateForm({
 	return (
 		<div className={clsx("flex flex-col gap-2", className)}>
 			<div className="flex items-center gap-2">
+				<label htmlFor={titleInputId} className="sr-only">
+					Task Title
+				</label>
 				<input
+					id={titleInputId}
 					type="text"
 					value={title}
 					onChange={(e) => setTitle(e.target.value)}
@@ -54,7 +60,7 @@ export function TaskCreateForm({
 						if (e.key === "Escape") onCancel?.();
 					}}
 					placeholder="Task title..."
-					className="min-w-0 flex-1 bg-transparent px-2 py-1.5 text-sm text-ink placeholder:text-ink-faint focus:outline-none"
+					className="min-w-0 flex-1 rounded-md bg-transparent px-2 py-1.5 text-sm text-ink placeholder:text-ink-faint focus:outline-none focus-visible:ring-2 focus-visible:ring-accent"
 					disabled={isSubmitting}
 					autoFocus
 				/>
@@ -79,12 +85,16 @@ export function TaskCreateForm({
 					Create
 				</Button>
 			</div>
+			<label htmlFor={descriptionInputId} className="sr-only">
+				Description
+			</label>
 			<textarea
+				id={descriptionInputId}
 				value={description}
 				onChange={(e) => setDescription(e.target.value)}
 				placeholder="Description (optional)"
 				rows={2}
-				className="w-full resize-none bg-transparent px-2 py-1.5 text-sm text-ink placeholder:text-ink-faint focus:outline-none"
+				className="w-full resize-none rounded-md bg-transparent px-2 py-1.5 text-sm text-ink placeholder:text-ink-faint focus:outline-none focus-visible:ring-2 focus-visible:ring-accent"
 				disabled={isSubmitting}
 			/>
 		</div>
diff --git a/packages/ai/src/TaskRow.tsx b/packages/ai/src/TaskRow.tsx
index 450abd2..517dcb0 100644
--- a/packages/ai/src/TaskRow.tsx
+++ b/packages/ai/src/TaskRow.tsx
@@ -29,14 +29,32 @@ export function TaskRow({
 	const completedSubtasks = task.subtasks.filter((s) => s.completed).length;
 	const assigneeName = resolveAgentName?.(task.assigned_agent_id) ?? task.assigned_agent_id;
 	const hasActions = onStatusChange || onDelete;
+	const isRowInteractive = typeof onClick === "function";
+	const handleRowKeyDown = (e: React.KeyboardEvent<HTMLDivElement>) => {
+		if (e.repeat) return;
+		if (e.key === "Enter") {
+			e.preventDefault();
+			onClick?.(task);
+		}
+	};
+	const handleRowKeyUp = (e: React.KeyboardEvent<HTMLDivElement>) => {
+		if (e.repeat) return;
+		if (e.key === " ") {
+			e.preventDefault();
+			onClick?.(task);
+		}
+	};
 
 	return (
-		<button
-			type="button"
-			onClick={() => onClick?.(task)}
+		<div
+			role={isRowInteractive ? "button" : undefined}
+			tabIndex={isRowInteractive ? 0 : undefined}
+			onClick={isRowInteractive ? () => onClick(task) : undefined}
+			onKeyDown={isRowInteractive ? handleRowKeyDown : undefined}
+			onKeyUp={isRowInteractive ? handleRowKeyUp : undefined}
 			className={clsx(
 				"task-row group grid w-full items-center border-b border-app-line/40 text-left transition-colors",
-				"hover:bg-app-hover/60",
+				"hover:bg-app-hover/60 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent",
 				isActive
 					? "bg-app-selected/50"
 					: "bg-transparent",
@@ -75,9 +93,9 @@ export function TaskRow({
 				{hasActions ? (
 					<DropdownMenu.Root>
 						<DropdownMenu.Trigger asChild>
-							<span
-								role="button"
-								tabIndex={0}
+							<button
+								type="button"
+								aria-label="Task Actions"
 								onClick={(e) => e.stopPropagation()}
 								onKeyDown={(e) => {
 									if (e.key === "Enter" || e.key === " ") e.stopPropagation();
@@ -85,7 +103,7 @@ export function TaskRow({
 								className="flex size-5 items-center justify-center rounded opacity-0 transition-opacity hover:bg-app-hover group-hover:opacity-100"
 							>
 								<DotsThree size={16} weight="bold" className="text-ink-dull" />
-							</span>
+							</button>
 						</DropdownMenu.Trigger>
 						<DropdownMenu.Content align="end" sideOffset={4}>
 							{onStatusChange &&
@@ -117,6 +135,6 @@ export function TaskRow({
 					</DropdownMenu.Root>
 				) : null}
 			</span>
-		</button>
+		</div>
 	);
 }
diff --git a/packages/explorer/src/GridItem.tsx b/packages/explorer/src/GridItem.tsx
index 44edd7f..2c0ff52 100644
--- a/packages/explorer/src/GridItem.tsx
+++ b/packages/explorer/src/GridItem.tsx
@@ -49,13 +49,13 @@ export function GridItem({
 	const displayName = extension ? `${name}.${extension}` : name;
 
 	return (
-		<div
+		<button
+			type="button"
 			onClick={onClick}
 			onDoubleClick={onDoubleClick}
 			onContextMenu={onContextMenu}
-			tabIndex={-1}
 			className={clsx(
-				"cursor-default transition-colors outline-none focus:outline-none",
+				"cursor-default border-0 bg-transparent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent",
 				"flex flex-col items-center gap-2 p-1 rounded-lg",
 				className,
 			)}
@@ -116,6 +116,6 @@ export function GridItem({
 					</div>
 				)}
 			</div>
-		</div>
+		</button>
 	);
 }
diff --git a/packages/explorer/src/TagPill.tsx b/packages/explorer/src/TagPill.tsx
index c30392c..17cc304 100644
--- a/packages/explorer/src/TagPill.tsx
+++ b/packages/explorer/src/TagPill.tsx
@@ -25,7 +25,7 @@ export function TagPill({
 				size === "xs" && "px-1.5 py-0.5 text-[10px]",
 				size === "sm" && "px-2 py-0.5 text-xs",
 				size === "md" && "px-2.5 py-1 text-sm",
-				(onClick || onRemove) && "transition-all hover:brightness-110",
+				(onClick || onRemove) && "transition-[filter] hover:brightness-110",
 				className,
 			)}
 			style={{ backgroundColor: `${color}20`, color }}
diff --git a/packages/forms/src/Form.tsx b/packages/forms/src/Form.tsx
index 54e9b5f..627825d 100644
--- a/packages/forms/src/Form.tsx
+++ b/packages/forms/src/Form.tsx
@@ -1,5 +1,5 @@
 import { clsx } from 'clsx';
-import { createContext, useContext, useId } from 'react';
+import { cloneElement, createContext, isValidElement, useContext, useId } from 'react';
 import {
   Controller,
   FormProvider,
@@ -84,17 +84,33 @@ const FormLabel = ({ className, ...props }: React.LabelHTMLAttributes<HTMLLabelE
   );
 };
 
-const FormControl = ({ ...props }: React.HTMLAttributes<HTMLDivElement>) => {
+interface FormControlProps {
+  children: React.ReactElement;
+}
+
+const FormControl = ({ children }: FormControlProps) => {
   const { error, formItemId, formDescriptionId, formMessageId } = useFormField();
+  const describedBy = !error ? formDescriptionId : `${formDescriptionId} ${formMessageId}`;
 
-  return (
-    <div
-      id={formItemId}
-      aria-describedby={!error ? formDescriptionId : `${formDescriptionId} ${formMessageId}`}
-      aria-invalid={!!error}
-      {...props}
-    />
-  );
+  if (!isValidElement(children)) {
+    return null;
+  }
+
+  const childProps = children.props as { 'aria-describedby'?: string };
+  const existingDescribed = childProps['aria-describedby'];
+  const mergedDescribed = Array.from(
+    new Set(
+      [existingDescribed, describedBy]
+        .filter(Boolean)
+        .flatMap((value) => value!.split(/\s+/).filter(Boolean)),
+    ),
+  ).join(' ');
+
+  return cloneElement(children, {
+    id: formItemId,
+    'aria-describedby': mergedDescribed,
+    'aria-invalid': !!error,
+  } as React.HTMLAttributes<HTMLElement>);
 };
 
 const FormDescription = ({ className, ...props }: React.HTMLAttributes<HTMLParagraphElement>) => {
diff --git a/packages/primitives/src/Button.tsx b/packages/primitives/src/Button.tsx
index 94bdb2a..645893f 100644
--- a/packages/primitives/src/Button.tsx
+++ b/packages/primitives/src/Button.tsx
@@ -32,7 +32,7 @@ export const buttonStyles = cva(
 	[
 		"inline-flex cursor-default items-center justify-center gap-1.5 border font-medium tracking-wide outline-none transition-colors duration-100",
 		"disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-70",
-		"focus:ring-none focus:ring-offset-none cursor-pointer ring-offset-app-box",
+		"cursor-pointer ring-offset-app-box focus-visible:ring-2 focus-visible:ring-accent focus-visible:ring-offset-2",
 	],
 	{
 		variants: {
diff --git a/packages/primitives/src/CircleButton.tsx b/packages/primitives/src/CircleButton.tsx
index 936160a..9a7977c 100644
--- a/packages/primitives/src/CircleButton.tsx
+++ b/packages/primitives/src/CircleButton.tsx
@@ -7,7 +7,7 @@ import {forwardRef} from "react";
 export const circleButtonStyles = cva(
 	[
 		"flex items-center justify-center",
-		"backdrop-blur-xl transition-all",
+		"backdrop-blur-xl transition-[background-color,border-color,color,transform]",
 		"border border-app-line/50",
 		"rounded-full",
 		"active:scale-95",
diff --git a/packages/primitives/src/Input.tsx b/packages/primitives/src/Input.tsx
index a8daa33..3419f77 100644
--- a/packages/primitives/src/Input.tsx
+++ b/packages/primitives/src/Input.tsx
@@ -36,7 +36,7 @@ export const inputSizes = {
 export const inputStyles = cva(
 	[
 		"rounded-lg border text-sm leading-4",
-		"outline-none transition-all focus-within:ring-2 focus-within:ring-accent",
+		"outline-none transition-[background-color,border-color,box-shadow] focus-within:ring-2 focus-within:ring-accent",
 		"text-ink",
 	],
 	{
@@ -212,6 +212,7 @@ export const PasswordInput = forwardRef<HTMLInputElement, PasswordInputProps>(
 						tabIndex={0}
 						onClick={() => setShowPassword(!showPassword)}
 						size="icon"
+						aria-label={showPassword ? "Hide Password" : "Show Password"}
 						className={clsx(props.buttonClassnames)}
 					>
 						<CurrentEyeIcon className="!pointer-events-none size-4" />
diff --git a/packages/primitives/src/NumberStepper.tsx b/packages/primitives/src/NumberStepper.tsx
index f441cca..dea4333 100644
--- a/packages/primitives/src/NumberStepper.tsx
+++ b/packages/primitives/src/NumberStepper.tsx
@@ -144,7 +144,7 @@ const NumberStepper = forwardRef<HTMLDivElement, NumberStepperProps>(
 				{showProgress && progress !== undefined && (
 					<div className="h-1 w-full overflow-hidden rounded-full bg-app-line">
 						<div
-							className="h-full bg-accent transition-all duration-200"
+							className="h-full bg-accent transition-[width] duration-200"
 							style={{width: `${progress}%`}}
 						/>
 					</div>
diff --git a/packages/primitives/src/SearchBar.tsx b/packages/primitives/src/SearchBar.tsx
index eb6fd96..4906f86 100644
--- a/packages/primitives/src/SearchBar.tsx
+++ b/packages/primitives/src/SearchBar.tsx
@@ -45,7 +45,7 @@ export const SearchBar = forwardRef<HTMLInputElement, SearchBarProps>(
 					"flex h-8 items-center gap-2 px-3",
 					"rounded-full backdrop-blur-xl",
 					"border border-app-line/30 bg-app-overlay/80 hover:bg-app-box",
-					"transition-all focus-within:bg-sidebar-box/30",
+					"transition-colors focus-within:bg-sidebar-box/30",
 					className,
 				)}
 			>
@@ -68,7 +68,9 @@ export const SearchBar = forwardRef<HTMLInputElement, SearchBarProps>(
 				/>
 				{currentValue && (
 					<button
+						type="button"
 						onClick={handleClear}
+						aria-label="Clear Search"
 						className="flex-shrink-0 rounded-full p-0.5 transition-colors hover:bg-sidebar-selected/40"
 					>
 						<X className="size-3 text-sidebar-inkDull" weight="bold" />
diff --git a/packages/primitives/src/Select.tsx b/packages/primitives/src/Select.tsx
index 0696d08..5acca22 100644
--- a/packages/primitives/src/Select.tsx
+++ b/packages/primitives/src/Select.tsx
@@ -26,7 +26,7 @@ const ChevronDouble = (props: React.SVGProps<SVGSVGElement>) => (
 export const selectStyles = cva(
 	[
 		"flex items-center justify-between whitespace-nowrap rounded-md border py-0.5 pl-3 pr-[10px] text-sm",
-		"shadow-sm outline-none transition-all focus:ring-2",
+		"shadow-sm outline-none transition-[background-color,border-color,box-shadow] focus:ring-2",
 		"text-ink radix-placeholder:text-ink-faint",
 	],
 	{
diff --git a/packages/primitives/src/ShinyButton.tsx b/packages/primitives/src/ShinyButton.tsx
index 00451bf..230e6b0 100644
--- a/packages/primitives/src/ShinyButton.tsx
+++ b/packages/primitives/src/ShinyButton.tsx
@@ -10,7 +10,7 @@ const shinyButtonVariants = cva(
 		"noise with-rounded-2px-border-images inline-flex flex-row items-center justify-center gap-x-2 overflow-hidden",
 		"bg-gradient-to-b from-[#42B2FD] to-[#0078F0] [--border-image:linear-gradient(to_bottom,hsl(200_100%_77%/100%),hsl(200_0%_100%/5%)75%)]",
 		"will-change-transform will-change-[box-shadow]",
-		"transition-all duration-200 ease-out",
+		"transition-[box-shadow,filter,transform] duration-200 ease-out",
 		"cursor-pointer",
 	],
 	{
diff --git a/packages/primitives/src/TabBar.tsx b/packages/primitives/src/TabBar.tsx
index 3349139..e99a56f 100644
--- a/packages/primitives/src/TabBar.tsx
+++ b/packages/primitives/src/TabBar.tsx
@@ -68,36 +68,45 @@ export const TabBarItem = forwardRef<HTMLButtonElement, TabBarItemProps>(
 		const showClose = closable ?? !!onClose;
 
 		return (
-			<button
-				ref={ref}
+			<div
 				className={clsx(
-					"group relative flex min-w-0 flex-1 items-center justify-center rounded-full py-1.5 text-[13px]",
-					active
-						? "text-ink"
-						: "text-ink-dull hover:text-ink hover:bg-app-hover/50",
+					"group relative flex min-w-0 flex-1 items-center justify-center",
 					className,
 				)}
-				{...props}
 			>
-				{active && (
-					<motion.div
-						layoutId="activeTab"
-						className="absolute inset-0 rounded-full bg-app-selected shadow-sm"
-						initial={false}
-						transition={{
-							type: "spring",
-							stiffness: 500,
-							damping: 35,
-						}}
-					/>
-				)}
+				<button
+					ref={ref}
+					className={clsx(
+						"relative flex w-full min-w-0 items-center justify-center rounded-full py-1.5 text-[13px]",
+						active
+							? "text-ink"
+							: "text-ink-dull hover:text-ink hover:bg-app-hover/50",
+					)}
+					{...props}
+				>
+					{active && (
+						<motion.div
+							layoutId="activeTab"
+							className="absolute inset-0 rounded-full bg-app-selected shadow-sm"
+							initial={false}
+							transition={{
+								type: "spring",
+								stiffness: 500,
+								damping: 35,
+							}}
+						/>
+					)}
+					<span className="relative z-10 truncate px-6">{label}</span>
+				</button>
 				{showClose && active && (
-					<span
+					<button
+						type="button"
+						aria-label="Close tab"
 						onClick={(e) => {
 							e.stopPropagation();
 							onClose?.();
 						}}
-						className="z-10 flex cursor-pointer items-center justify-center rounded-full opacity-60 transition-all hover:bg-app-hover hover:opacity-100"
+						className="z-10 flex cursor-pointer items-center justify-center rounded-full opacity-60 transition-[background-color,opacity] hover:bg-app-hover hover:opacity-100"
 						style={{ position: "absolute", left: 6, top: "50%", transform: "translateY(-50%)", width: 20, height: 20 }}
 						title="Close tab"
 					>
@@ -114,10 +123,9 @@ export const TabBarItem = forwardRef<HTMLButtonElement, TabBarItemProps>(
 								<path d="M2 2l6 6M8 2l-6 6" />
 							</svg>
 						)}
-					</span>
+					</button>
 				)}
-				<span className="relative z-10 truncate px-6">{label}</span>
-			</button>
+			</div>
 		);
 	},
 );