diff --git a/scripts/test-chat-clear-confirmation.cjs b/scripts/test-chat-clear-confirmation.cjs
index 5440aa7..ea356d8 100644
--- a/scripts/test-chat-clear-confirmation.cjs
+++ b/scripts/test-chat-clear-confirmation.cjs
@@ -64,6 +64,23 @@ function setup(overrides = {}, browser = {}) {
   }
 }
 
+for (const agentProvider of ['A_COPILOT', 'QWEN', 'OPENAI', 'ANTHROPIC', 'GEMINI']) {
+  for (const qaMode of ['ai', 'agent', 'teacher']) {
+    test(`attachment controls follow the provider and chat mode (${agentProvider}, ${qaMode})`, () => {
+      const harness = setup({ qaMode, agentProvider })
+      const input = elements(harness.render(), node => node.type === QaInputBox)[0]
+      assert.equal(input.props.attachmentsEnabled, qaMode === 'agent' && agentProvider !== 'A_COPILOT')
+      assert.equal(typeof input.props.onClearConversation, 'function')
+    })
+  }
+}
+
+test('the workspace passes the current provider from agent status to the chat panel', () => {
+  const source = fs.readFileSync(require.resolve('../src/renderer/src/App.tsx'), 'utf8')
+  assert.match(source, /provider: agentProvider,[\s\S]*?\} = useAiAgent\(/)
+  assert.match(source, /<WorkspaceQaPanel[\s\S]*?agentProvider=\{agentProvider\}/)
+})
+
 for (const qaMode of ['ai', 'agent', 'teacher']) {
   test(`${qaMode} history is deleted only after shared modal confirmation`, () => {
     const harness = setup({ qaMode, agentMessages: [{ id: 'a', content: 'answer' }], visibleTeacherMessages: [{ id: 't', content: 'answer' }] })
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index c995da0..7e78967 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -627,6 +627,7 @@ function LocalPcWorkspaceMockup({
   const [selectedModule, setSelectedModule] = useState<ModuleRow | null>(null)
   const {
     enabled: agentEnabled,
+    provider: agentProvider,
     imagesEnabled: agentImagesEnabled,
     statusLoading: agentStatusLoading,
     pending: agentPending,
@@ -4713,6 +4714,7 @@ function LocalPcWorkspaceMockup({
           visibleTeacherMessages={visibleTeacherMessages}
           agentMessages={agentMessages}
           agentEnabled={agentEnabled}
+          agentProvider={agentProvider}
           agentImagesEnabled={Boolean(agentImagesEnabled)}
           agentStatusLoading={agentStatusLoading}
           agentPending={agentPending}
diff --git a/src/renderer/src/features/workspace/WorkspaceQaPanel.tsx b/src/renderer/src/features/workspace/WorkspaceQaPanel.tsx
index c7a8875..045a623 100644
--- a/src/renderer/src/features/workspace/WorkspaceQaPanel.tsx
+++ b/src/renderer/src/features/workspace/WorkspaceQaPanel.tsx
@@ -41,6 +41,7 @@ type WorkspaceQaPanelProps = {
   visibleTeacherMessages: WorkspaceQaMessage[]
   agentMessages: AgentConversationMessage[]
   agentEnabled: boolean
+  agentProvider?: string | null
   agentImagesEnabled?: boolean
   agentStatusLoading: boolean
   agentPending: boolean
@@ -114,6 +115,7 @@ export default function WorkspaceQaPanel({
   visibleTeacherMessages,
   agentMessages,
   agentEnabled,
+  agentProvider,
   agentImagesEnabled = false,
   agentStatusLoading,
   agentPending,
@@ -327,7 +329,7 @@ export default function WorkspaceQaPanel({
         disabled={inputDisabled || (teacherQaDisabled && qaMode === 'teacher')}
         onStop={onStop}
         onSubmit={onSubmit}
-        attachmentsEnabled={qaMode === 'agent'}
+        attachmentsEnabled={qaMode === 'agent' && agentProvider !== 'A_COPILOT'}
         imagesEnabled={qaMode === 'agent' && agentImagesEnabled}
         onClearConversation={requestClearConversation}
         clearDisabled={clearDisabled}