GOAL-328: ImportArticlesModal and UploadDocumentModal have no focus trap or initial focus, so opening either leaves keyboard focus outside the dialog.

src/app/protected/dashboard/field-context/[id]/page.tsx

@@ -85,6 +85,7 @@ import {
 import { emitOpenAssistantThread } from '@/lib/simulation/assistant-panel-events'
 import { chatApiAuthHeaders } from '@/lib/simulation/conversation-thread-client'
 import {
+  emitImportArticlesModalClosed,
   onOpenAddPulseModal,
   onOpenImportArticlesModal,
 } from '@/lib/simulation/pulse-creation-events'
@@ -1679,7 +1680,13 @@ export default function FieldContextDetailsPage() {
         <ImportArticlesModal
           isOpen
           fieldContextId={contextId}
-          onClose={() => setIsImportArticlesModalOpen(false)}
+          onClose={() => {
+            setIsImportArticlesModalOpen(false)
+            // Lets the studio action bar — which suppressed Radix's focus
+            // restore so this dialog could take focus — put focus back on
+            // its trigger (GOAL-328). No-op when opened from this page.
+            emitImportArticlesModalClosed()
+          }}
           onImported={() => {
             // Imported pulses land in the Pulses section; new/matched authors
             // land in the People section.

src/components/fields/import-articles-modal.tsx

@@ -1,7 +1,8 @@
 'use client'
 
-import { useCallback, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 import { createPortal } from 'react-dom'
+import { useFocusTrap } from '@/hooks/useFocusTrap'
 import { chatApiAuthHeaders } from '@/lib/simulation/conversation-thread-client'
 import {
   ARTICLE_TEMPLATE_COLUMNS,
@@ -84,6 +85,13 @@ export function ImportArticlesModal({
   const [error, setError] = useState<string | null>(null)
   const [isDragging, setIsDragging] = useState(false)
   const [isSubmitting, setIsSubmitting] = useState(false)
+  const dialogRef = useRef<HTMLDivElement>(null)
+
+  // Keep Tab / Shift+Tab inside the dialog and move focus into it on open —
+  // WAI-ARIA modal dialog pattern, same hook EntityInfoDrawer / PersonPanel use.
+  // Especially load-bearing here: the modal is portalled to `document.body`, so
+  // without a trap Tab walks straight into the field-context page behind it.
+  useFocusTrap(dialogRef, isOpen)
 
   const reset = useCallback(() => {
     setStep('pick')
@@ -188,21 +196,51 @@ export function ImportArticlesModal({
     }
   }, [fieldContextId, onImported, validRows])
 
+  // Esc closes — `handleClose` already no-ops mid-import, so an in-flight
+  // batch can't be dismissed out from under the user.
+  //
+  // Capture phase on `document`, plus stopPropagation: StudioShell binds its
+  // single-key shortcuts (Escape closes the floating chat / exits fullscreen)
+  // on `window` in the bubble phase and only ignores them for text inputs.
+  // Initial focus here lands on a button, so a bubbling Escape would close
+  // the chat panel *and* this dialog. Capture runs first, so the dialog wins.
+  useEffect(() => {
+    if (!isOpen) return
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key !== 'Escape') return
+      e.stopPropagation()
+      handleClose()
+    }
+    document.addEventListener('keydown', onKey, true)
+    return () => document.removeEventListener('keydown', onKey, true)
+  }, [isOpen, handleClose])
+
   if (!isOpen) return null
   // `dynamic(..., { ssr: false })` means this only ever runs in the browser,
   // but guard anyway so the component stays safe to mount eagerly.
   if (typeof document === 'undefined') return null
 
   return createPortal(
     <div className="fixed inset-0 bg-black/50 backdrop-blur-sm z-50 flex items-center justify-center p-4">
-      <div className="bg-gp-surface dark:bg-gp-surface-dark border border-gp-glass-border rounded-2xl shadow-2xl max-w-lg sm:max-w-2xl w-full max-h-[85vh] p-4 sm:p-6 flex flex-col gap-4">
+      <div
+        ref={dialogRef}
+        role="dialog"
+        aria-modal="true"
+        aria-labelledby="import-articles-title"
+        tabIndex={-1}
+        className="bg-gp-surface dark:bg-gp-surface-dark border border-gp-glass-border rounded-2xl shadow-2xl max-w-lg sm:max-w-2xl w-full max-h-[85vh] p-4 sm:p-6 flex flex-col gap-4 focus:outline-none"
+      >
         <div className="flex items-center justify-between shrink-0">
-          <h3 className="text-lg font-semibold text-gp-ink-strong dark:text-white">
+          <h3
+            id="import-articles-title"
+            className="text-lg font-semibold text-gp-ink-strong dark:text-white"
+          >
             Import Articles
           </h3>
           <button
             onClick={handleClose}
             disabled={isSubmitting}
+            aria-label="Close"
             type="button"
             className="cursor-pointer text-gp-ink-muted hover:text-gp-ink-strong transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
           >

src/components/studio/field-context-upload-action.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import { useState, type FC } from 'react'
+import { useCallback, useEffect, useRef, useState, type FC } from 'react'
 import { useApolloClient } from '@apollo/client/react'
 import { FileUp } from 'lucide-react'
 import { toast } from 'sonner'
@@ -20,7 +20,10 @@ import { GET_FIELD_CONTEXT_DETAILS } from '@/app/graphql/queries/FIELD_CONTEXT_D
 import { GET_FIELD_CONTEXT_PEOPLE } from '@/app/graphql/queries/FIELD_CONTEXT_PEOPLE_QUERIES'
 import { useFieldContextCanEditContent } from '@/hooks/use-field-context-permissions'
 import { emitOpenAssistantThread } from '@/lib/simulation/assistant-panel-events'
-import { emitOpenImportArticlesModal } from '@/lib/simulation/pulse-creation-events'
+import {
+  emitOpenImportArticlesModal,
+  onImportArticlesModalClosed,
+} from '@/lib/simulation/pulse-creation-events'
 import { chatApiAuthHeaders } from '@/lib/simulation/conversation-thread-client'
 
 /**
@@ -58,6 +61,31 @@ export const FieldContextUploadAction: FC = () => {
     string | null
   >(null)
   const [isSubmitting, setIsSubmitting] = useState(false)
+  // Both menu items open a modal that installs its own focus trap. Radix
+  // restores focus to this menu's trigger ~300ms after the item is chosen —
+  // i.e. *after* the dialog has already focused its first control — which
+  // dumps keyboard focus onto the button behind the overlay (GOAL-328).
+  // Suppress that restore, but only when an item was actually chosen:
+  // dismissing the menu with Escape or an outside click must still return
+  // focus to the trigger.
+  const restoreFocusOnCloseRef = useRef(true)
+  const triggerRef = useRef<HTMLButtonElement>(null)
+
+  // Because that restore is suppressed, this component owns putting focus
+  // back on the trigger once the dialog goes away — otherwise the dialog's
+  // trap has nothing live to restore to and focus lands on <body>. The rAF
+  // waits for the dialog's own cleanup to run first, so it can't be undone.
+  const refocusTrigger = useCallback(() => {
+    requestAnimationFrame(() => triggerRef.current?.focus())
+  }, [])
+
+  // The bulk import dialog is owned by the field-context page, so this is the
+  // only way to learn it closed. Must sit above the early returns below —
+  // hooks cannot be called conditionally.
+  useEffect(
+    () => onImportArticlesModalClosed(refocusTrigger),
+    [refocusTrigger]
+  )
 
   // Only treat the focal as a live FieldContext when it came from the
   // current route. A 'persisted' source means the user navigated away to
@@ -212,9 +240,17 @@ export const FieldContextUploadAction: FC = () => {
 
   return (
     <>
-      <DropdownMenu>
+      <DropdownMenu
+        onOpenChange={(open) => {
+          // Re-arm on every open rather than relying on `onCloseAutoFocus`
+          // having fired to reset it — that would make the guard depend on
+          // Radix internals to stay in sync.
+          if (open) restoreFocusOnCloseRef.current = true
+        }}
+      >
         <DropdownMenuTrigger asChild>
           <button
+            ref={triggerRef}
             type="button"
             disabled={!focalFieldContextId}
             className="cursor-pointer flex items-center gap-1.5 md:gap-2 pl-3 pr-2 md:pl-5 md:pr-3 h-10 md:h-11 rounded-full gp-glass dark:gp-glass border border-gp-glass-border hover:bg-gp-ink-strong/10 dark:hover:bg-white/20 hover:border-gp-ink-strong/20 dark:hover:border-white/20 hover:shadow-[0_0_50px_color-mix(in_srgb,var(--gp-primary)_35%,transparent)] transition-all group disabled:opacity-40 disabled:cursor-not-allowed"
@@ -237,9 +273,18 @@ export const FieldContextUploadAction: FC = () => {
           align="center"
           sideOffset={10}
           className="gp-glass w-56 rounded-xl border-gp-glass-border p-1.5"
+          onCloseAutoFocus={(event) => {
+            if (restoreFocusOnCloseRef.current) return
+            restoreFocusOnCloseRef.current = true
+            event.preventDefault()
+          }}
         >
           <DropdownMenuItem
-            onSelect={() => setPinnedFieldContextId(focalFieldContextId)}
+            onSelect={() => {
+              if (!focalFieldContextId) return
+              restoreFocusOnCloseRef.current = false
+              setPinnedFieldContextId(focalFieldContextId)
+            }}
             // `.gp-menu-item` owns the hover/focus highlight (per the design
             // skill), so neutralise the primitive's own `focus:bg-accent` /
             // `focus:text-accent-foreground` — otherwise the label lands on
@@ -252,10 +297,11 @@ export const FieldContextUploadAction: FC = () => {
             <span className="text-sm font-medium">Upload document</span>
           </DropdownMenuItem>
           <DropdownMenuItem
-            onSelect={() =>
-              focalFieldContextId &&
+            onSelect={() => {
+              if (!focalFieldContextId) return
+              restoreFocusOnCloseRef.current = false
               emitOpenImportArticlesModal(focalFieldContextId)
-            }
+            }}
             // `.gp-menu-item` owns the hover/focus highlight (per the design
             // skill), so neutralise the primitive's own `focus:bg-accent` /
             // `focus:text-accent-foreground` — otherwise the label lands on
@@ -273,7 +319,10 @@ export const FieldContextUploadAction: FC = () => {
       <UploadDocumentModal
         isOpen={pinnedFieldContextId !== null}
         isSubmitting={isSubmitting}
-        onClose={() => setPinnedFieldContextId(null)}
+        onClose={() => {
+          setPinnedFieldContextId(null)
+          refocusTrigger()
+        }}
         onSubmit={handleSubmit}
       />
     </>

src/components/ui/upload-document-modal.tsx

@@ -1,6 +1,7 @@
 'use client'
 
-import { useCallback, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
+import { useFocusTrap } from '@/hooks/useFocusTrap'
 import {
   INGEST_ACCEPT_ATTRIBUTE,
   MAX_INGEST_BYTES,
@@ -76,6 +77,11 @@ export function UploadDocumentModal({
   const [hint, setHint] = useState('')
   const [error, setError] = useState<string | null>(null)
   const [isDragging, setIsDragging] = useState(false)
+  const dialogRef = useRef<HTMLDivElement>(null)
+
+  // Keep Tab / Shift+Tab inside the dialog and move focus into it on open —
+  // WAI-ARIA modal dialog pattern, same hook EntityInfoDrawer / PersonPanel use.
+  useFocusTrap(dialogRef, isOpen)
 
   const reset = useCallback(() => {
     setFile(null)
@@ -133,18 +139,48 @@ export function UploadDocumentModal({
     }
   }, [file, hint, onSubmit, reset])
 
+  // Esc closes — `handleClose` already no-ops mid-upload, so an in-flight
+  // submit can't be dismissed out from under the user.
+  //
+  // Capture phase on `document`, plus stopPropagation: StudioShell binds its
+  // single-key shortcuts (Escape closes the floating chat / exits fullscreen)
+  // on `window` in the bubble phase and only ignores them for text inputs.
+  // Initial focus here lands on a button, so a bubbling Escape would close
+  // the chat panel *and* this dialog. Capture runs first, so the dialog wins.
+  useEffect(() => {
+    if (!isOpen) return
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key !== 'Escape') return
+      e.stopPropagation()
+      handleClose()
+    }
+    document.addEventListener('keydown', onKey, true)
+    return () => document.removeEventListener('keydown', onKey, true)
+  }, [isOpen, handleClose])
+
   if (!isOpen) return null
 
   return (
     <div className="fixed inset-0 bg-black/50 backdrop-blur-sm z-50 flex items-center justify-center p-4">
-      <div className="bg-gp-surface dark:bg-gp-surface-dark border border-gp-glass-border rounded-2xl shadow-2xl max-w-lg w-full p-6 space-y-4">
+      <div
+        ref={dialogRef}
+        role="dialog"
+        aria-modal="true"
+        aria-labelledby="upload-document-title"
+        tabIndex={-1}
+        className="bg-gp-surface dark:bg-gp-surface-dark border border-gp-glass-border rounded-2xl shadow-2xl max-w-lg w-full p-6 space-y-4 focus:outline-none"
+      >
         <div className="flex items-center justify-between">
-          <h3 className="text-lg font-semibold text-gp-ink-strong dark:text-white">
+          <h3
+            id="upload-document-title"
+            className="text-lg font-semibold text-gp-ink-strong dark:text-white"
+          >
             Upload Document
           </h3>
           <button
             onClick={handleClose}
             disabled={isSubmitting}
+            aria-label="Close"
             type="button"
             className="cursor-pointer text-gp-ink-muted hover:text-gp-ink-strong transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
           >

src/lib/simulation/pulse-creation-events.ts

@@ -38,6 +38,7 @@ const OPEN_ADD_PULSE_EVENT = 'gp:open-add-pulse-modal' as const
 const OPEN_ADD_FIELD_CONTEXT_EVENT = 'gp:open-add-field-context-modal' as const
 const OPEN_ADD_SPACE_MEMBERS_EVENT = 'gp:open-add-space-members-modal' as const
 const OPEN_IMPORT_ARTICLES_EVENT = 'gp:open-import-articles-modal' as const
+const CLOSED_IMPORT_ARTICLES_EVENT = 'gp:import-articles-modal-closed' as const
 
 export interface OpenAddPulseModalDetail {
   /** FieldContext.id the caller expects the modal to attach to. */
@@ -136,6 +137,28 @@ export function onOpenImportArticlesModal(
   return () => window.removeEventListener(OPEN_IMPORT_ARTICLES_EVENT, wrapped)
 }
 
+/**
+ * Announce that the bulk import-articles modal closed (GOAL-328).
+ *
+ * The modal is owned by the field-context page but can be launched from the
+ * studio action bar, whose menu suppresses Radix's own focus restore so the
+ * dialog can take focus. That leaves the launcher as the only component able
+ * to return focus to its trigger — but it has no other way to learn the
+ * dialog went away. This is that signal.
+ */
+export function emitImportArticlesModalClosed(): void {
+  if (typeof window === 'undefined') return
+  window.dispatchEvent(new CustomEvent(CLOSED_IMPORT_ARTICLES_EVENT))
+}
+
+/** Subscribe to import-articles close notifications. Returns an unsubscribe. */
+export function onImportArticlesModalClosed(handler: () => void): () => void {
+  if (typeof window === 'undefined') return () => {}
+  const wrapped = () => handler()
+  window.addEventListener(CLOSED_IMPORT_ARTICLES_EVENT, wrapped)
+  return () => window.removeEventListener(CLOSED_IMPORT_ARTICLES_EVENT, wrapped)
+}
+
 /** Emit a request to open the add-members modal for `spaceId`. */
 export function emitOpenAddSpaceMembersModal(spaceId: string): void {
   if (typeof window === 'undefined') return