diff --git a/mobile/src/components/MobileMarkdown.file-links.test.ts b/mobile/src/components/MobileMarkdown.file-links.test.ts
index 962538a8842..345a8f4786c 100644
--- a/mobile/src/components/MobileMarkdown.file-links.test.ts
+++ b/mobile/src/components/MobileMarkdown.file-links.test.ts
@@ -130,3 +130,33 @@ describe('MobileMarkdown file links', () => {
     expect(pressables(renderer!)).toHaveLength(0)
   })
 })
+
+describe('MobileMarkdown text selection', () => {
+  let renderer: ReactTestRenderer | null = null
+
+  afterEach(() => {
+    act(() => renderer?.unmount())
+    renderer = null
+  })
+
+  function renderMarkdown(content: string): ReactTestRenderer {
+    act(() => {
+      renderer = create(createElement(MobileMarkdown, { content }))
+    })
+    return renderer!
+  }
+
+  it('makes paragraph text selectable for long-press copy', () => {
+    const tree = renderMarkdown('Hello from the agent')
+    const texts = tree.root.findAllByType('Text' as never)
+    expect(texts.length).toBeGreaterThan(0)
+    expect(texts.every((node) => node.props.selectable === true)).toBe(true)
+  })
+
+  it('makes headings, lists, quotes, and code selectable', () => {
+    const tree = renderMarkdown('# Title\n\n> quoted\n\n- item\n\n```ts\nconst x = 1\n```')
+    const texts = tree.root.findAllByType('Text' as never)
+    expect(texts.length).toBeGreaterThan(0)
+    expect(texts.every((node) => node.props.selectable === true)).toBe(true)
+  })
+})
diff --git a/mobile/src/components/MobileMarkdown.tsx b/mobile/src/components/MobileMarkdown.tsx
index cc88c01e564..75dfe6c19fd 100644
--- a/mobile/src/components/MobileMarkdown.tsx
+++ b/mobile/src/components/MobileMarkdown.tsx
@@ -1,4 +1,4 @@
-import { Fragment, memo, useMemo, type ReactNode } from 'react'
+import { Fragment, memo, useMemo, type ComponentProps, type ReactNode } from 'react'
 import { Linking, Pressable, ScrollView, Text, View } from 'react-native'
 import { normalizeMobileMarkdownPreviewHtml } from './mobile-markdown-preview-html'
 import { styles } from './mobile-markdown-styles'
@@ -29,6 +29,11 @@ type Props = {
   onOpenFile?: (pathText: string) => void
 }
 
+// RN Text is not selectable by default; chat long-press copy needs the platform handles.
+function MarkdownText(props: ComponentProps<typeof Text>): React.JSX.Element {
+  return <Text {...props} selectable />
+}
+
 const MAX_TABLE_ROWS = 40
 const MAX_TABLE_COLUMNS = 8
 /** Prose base size — passed to MermaidDiagram fallback mono text. */
@@ -64,13 +69,13 @@ function renderTextRun(
   return segments.map((segment, segmentIndex) => {
     if (segment.type === 'file') {
       return (
-        <Text
+        <MarkdownText
           key={`${keyPrefix}:${segmentIndex}`}
           style={styles.link}
           onPress={() => onOpenFile(segment.path)}
         >
           {segment.value}
-        </Text>
+        </MarkdownText>
       )
     }
     return <Fragment key={`${keyPrefix}:${segmentIndex}`}>{segment.value}</Fragment>
@@ -105,22 +110,34 @@ function renderInline(text: string, onOpenFile?: (pathText: string) => void): Re
     const link = token.match(/^\[([^\]]+)\]\(([^)]+)\)$/)
     if (image) {
       parts.push(
-        <Text key={key} style={styles.link} onPress={() => openMarkdownHref(image[2]!, onOpenFile)}>
+        <MarkdownText
+          key={key}
+          style={styles.link}
+          onPress={() => openMarkdownHref(image[2]!, onOpenFile)}
+        >
           {image[1] || 'image'}
-        </Text>
+        </MarkdownText>
       )
     } else if (link) {
       parts.push(
-        <Text key={key} style={styles.link} onPress={() => openMarkdownHref(link[2]!, onOpenFile)}>
+        <MarkdownText
+          key={key}
+          style={styles.link}
+          onPress={() => openMarkdownHref(link[2]!, onOpenFile)}
+        >
           {link[1]}
-        </Text>
+        </MarkdownText>
       )
     } else if (/^https?:\/\//i.test(token)) {
       const { url, trailing } = trimAutolinkTrailingPunctuation(token)
       parts.push(
-        <Text key={key} style={styles.link} onPress={() => openMarkdownHref(url, onOpenFile)}>
+        <MarkdownText
+          key={key}
+          style={styles.link}
+          onPress={() => openMarkdownHref(url, onOpenFile)}
+        >
           {url}
-        </Text>
+        </MarkdownText>
       )
       if (trailing) {
         parts.push(<Fragment key={`${key}p`}>{trailing}</Fragment>)
@@ -129,38 +146,38 @@ function renderInline(text: string, onOpenFile?: (pathText: string) => void): Re
       const code = token.slice(1, -1)
       if (onOpenFile && isFilePathCodeSpan(code)) {
         parts.push(
-          <Text
+          <MarkdownText
             key={key}
             style={[styles.inlineCode, styles.inlineCodeLink]}
             onPress={() => onOpenFile(normalizeFilePath(code.trim()))}
           >
             {code}
-          </Text>
+          </MarkdownText>
         )
       } else {
         parts.push(
-          <Text key={key} style={styles.inlineCode}>
+          <MarkdownText key={key} style={styles.inlineCode}>
             {code}
-          </Text>
+          </MarkdownText>
         )
       }
     } else if (token.startsWith('~~')) {
       parts.push(
-        <Text key={key} style={styles.strike}>
+        <MarkdownText key={key} style={styles.strike}>
           {renderTextRun(token.slice(2, -2), `${key}i`, onOpenFile)}
-        </Text>
+        </MarkdownText>
       )
     } else if (token.startsWith('**') || token.startsWith('__')) {
       parts.push(
-        <Text key={key} style={styles.bold}>
+        <MarkdownText key={key} style={styles.bold}>
           {renderTextRun(token.slice(2, -2), `${key}i`, onOpenFile)}
-        </Text>
+        </MarkdownText>
       )
     } else {
       parts.push(
-        <Text key={key} style={styles.italic}>
+        <MarkdownText key={key} style={styles.italic}>
           {renderTextRun(token.slice(1, -1), `${key}i`, onOpenFile)}
-        </Text>
+        </MarkdownText>
       )
     }
   }
@@ -181,7 +198,7 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
   const proseScale = scaled(13)
   const listScale = scaled(14)
   if (!text) {
-    return fallback ? <Text style={styles.paragraph}>{fallback}</Text> : null
+    return fallback ? <MarkdownText style={styles.paragraph}>{fallback}</MarkdownText> : null
   }
   const mermaidSourceOccurrences = new Map<string, number>()
 
@@ -190,18 +207,20 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
       {blocks.map((block, index) => {
         if (block.type === 'heading') {
           return (
-            <Text
+            <MarkdownText
               key={index}
               style={[styles.heading, block.level <= 2 ? styles.headingLarge : null]}
             >
               {renderInline(block.text, onOpenFile)}
-            </Text>
+            </MarkdownText>
           )
         }
         if (block.type === 'quote') {
           return (
             <View key={index} style={styles.quote}>
-              <Text style={styles.quoteText}>{renderInline(block.text, onOpenFile)}</Text>
+              <MarkdownText style={styles.quoteText}>
+                {renderInline(block.text, onOpenFile)}
+              </MarkdownText>
             </View>
           )
         }
@@ -222,8 +241,10 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
           }
           return (
             <View key={index} style={styles.codeBlock}>
-              {block.language ? <Text style={styles.codeLanguage}>{block.language}</Text> : null}
-              <Text style={styles.codeText}>{block.text}</Text>
+              {block.language ? (
+                <MarkdownText style={styles.codeLanguage}>{block.language}</MarkdownText>
+              ) : null}
+              <MarkdownText style={styles.codeText}>{block.text}</MarkdownText>
             </View>
           )
         }
@@ -234,10 +255,10 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
               style={styles.imageFrame}
               onPress={() => openMarkdownHref(block.url, onOpenFile)}
             >
-              <Text style={styles.link}>{block.alt || 'Open image'}</Text>
-              <Text style={styles.imageCaption} numberOfLines={1}>
+              <MarkdownText style={styles.link}>{block.alt || 'Open image'}</MarkdownText>
+              <MarkdownText style={styles.imageCaption} numberOfLines={1}>
                 {block.url}
-              </Text>
+              </MarkdownText>
             </Pressable>
           )
         }
@@ -251,26 +272,26 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
               <View style={styles.table}>
                 <View style={styles.tableRow}>
                   {visibleHeaders.map((header, cellIndex) => (
-                    <Text key={cellIndex} style={[styles.tableCell, styles.tableHeader]}>
+                    <MarkdownText key={cellIndex} style={[styles.tableCell, styles.tableHeader]}>
                       {renderInline(header, onOpenFile)}
-                    </Text>
+                    </MarkdownText>
                   ))}
                 </View>
                 {visibleRows.map((row, rowIndex) => (
                   <View key={rowIndex} style={styles.tableRow}>
                     {visibleHeaders.map((_, cellIndex) => (
-                      <Text key={cellIndex} style={styles.tableCell}>
+                      <MarkdownText key={cellIndex} style={styles.tableCell}>
                         {renderInline(row[cellIndex] ?? '', onOpenFile)}
-                      </Text>
+                      </MarkdownText>
                     ))}
                   </View>
                 ))}
                 {hiddenRows > 0 || hiddenColumns > 0 ? (
-                  <Text style={styles.tableTruncated}>
+                  <MarkdownText style={styles.tableTruncated}>
                     {hiddenRows > 0 ? `${hiddenRows} more rows` : ''}
                     {hiddenRows > 0 && hiddenColumns > 0 ? ' · ' : ''}
                     {hiddenColumns > 0 ? `${hiddenColumns} more columns` : ''}
-                  </Text>
+                  </MarkdownText>
                 ) : null}
               </View>
             </ScrollView>
@@ -281,7 +302,7 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
             <View key={index} style={styles.list}>
               {block.items.map((item, itemIndex) => (
                 <View key={itemIndex} style={styles.listItem}>
-                  <Text style={styles.listMarker}>
+                  <MarkdownText style={styles.listMarker}>
                     {item.checked == null
                       ? block.ordered
                         ? `${itemIndex + 1}.`
@@ -289,10 +310,10 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
                       : item.checked
                         ? '[x]'
                         : '[ ]'}
-                  </Text>
-                  <Text style={[styles.listText, listScale]}>
+                  </MarkdownText>
+                  <MarkdownText style={[styles.listText, listScale]}>
                     {renderInline(item.text, onOpenFile)}
-                  </Text>
+                  </MarkdownText>
                 </View>
               ))}
             </View>
@@ -302,14 +323,14 @@ function MobileMarkdownInner({ content, fallback = '', textScale = 1, onOpenFile
           return <View key={index} style={styles.rule} />
         }
         return (
-          <Text key={index} style={[styles.paragraph, proseScale]}>
+          <MarkdownText key={index} style={[styles.paragraph, proseScale]}>
             {block.text.split('\n').map((line, lineIndex) => (
               <Fragment key={lineIndex}>
                 {lineIndex > 0 ? '\n' : null}
                 {renderInline(line, onOpenFile)}
               </Fragment>
             ))}
-          </Text>
+          </MarkdownText>
         )
       })}
     </View>
diff --git a/mobile/src/session/MobileNativeChatMessage.test.ts b/mobile/src/session/MobileNativeChatMessage.test.ts
index 10b96cc3d20..27a608ee8e3 100644
--- a/mobile/src/session/MobileNativeChatMessage.test.ts
+++ b/mobile/src/session/MobileNativeChatMessage.test.ts
@@ -152,4 +152,42 @@ describe('MobileNativeChatMessage', () => {
     expect(tree.root.findAllByType('ChevronDown' as never)).toHaveLength(1)
     expect(tree.root.findAllByType('SquareChevronRight' as never)).toHaveLength(1)
   })
+
+  it('makes outgoing bubble text selectable for long-press copy', () => {
+    const tree = render(userMessage([{ type: 'text', text: 'copy me back' }]))
+    const bubble = tree.root
+      .findAllByType('Text' as never)
+      .find((node) => String(node.children.join('')) === 'copy me back')
+    expect(bubble).toBeDefined()
+    expect(bubble!.props.selectable).toBe(true)
+    expect(isInsidePressable(bubble!)).toBe(false)
+  })
+
+  it('makes image-ref fallback text selectable', () => {
+    const tree = render(userMessage([{ type: 'image-ref', path: '/tmp/host.png' }]))
+    const fallback = tree.root
+      .findAllByType('Text' as never)
+      .find((node) => String(node.children.join('')).includes('/tmp/host.png'))
+    expect(fallback).toBeDefined()
+    expect(fallback!.props.selectable).toBe(true)
+  })
+
+  it('renders incoming prose as markdown instead of a non-selectable bubble', () => {
+    const tree = render(toolMessage([{ type: 'text', text: 'agent reply' }]))
+    expect(tree.root.findAllByType('MobileMarkdown' as never)).toHaveLength(1)
+    expect(
+      tree.root.findAllByType('Text' as never).some((node) => node.props.selectable === false)
+    ).toBe(false)
+  })
 })
+
+function isInsidePressable(node: ReactTestInstance): boolean {
+  let current: ReactTestInstance | null = node.parent
+  while (current) {
+    if (current.type === ('Pressable' as never)) {
+      return true
+    }
+    current = current.parent
+  }
+  return false
+}
diff --git a/mobile/src/session/MobileNativeChatMessage.tsx b/mobile/src/session/MobileNativeChatMessage.tsx
index 0a676061e5b..7263034c92c 100644
--- a/mobile/src/session/MobileNativeChatMessage.tsx
+++ b/mobile/src/session/MobileNativeChatMessage.tsx
@@ -150,7 +150,9 @@ function Prose({
     // markdown renderer's light-on-dark palette.
     if (invert) {
       return (
-        <Text style={[styles.userText, { fontSize: TEXT_SIZE * fontScale }]}>{block.text}</Text>
+        <Text selectable style={[styles.userText, { fontSize: TEXT_SIZE * fontScale }]}>
+          {block.text}
+        </Text>
       )
     }
     return (
@@ -172,7 +174,7 @@ function Prose({
       )
     }
     return (
-      <Text style={[styles.imageRef, { fontSize: TEXT_SIZE * fontScale }]}>
+      <Text selectable style={[styles.imageRef, { fontSize: TEXT_SIZE * fontScale }]}>
         🖼 {block.alt ?? block.path ?? block.url ?? 'image'}
       </Text>
     )