fix(ai): cap agent composer height

src/components/AiPanel.test.tsx

@@ -197,6 +197,18 @@ describe('AiPanel', () => {
     expect(screen.getByTestId('ai-panel')).toBeTruthy()
   })
 
+  it('caps long AI agent drafts inside a scrollable composer while keeping send visible', () => {
+    render(<AiPanel onClose={vi.fn()} vaultPath="/tmp/vault" />)
+
+    const editor = screen.getByTestId('agent-input')
+    editor.textContent = Array.from({ length: 40 }, (_, index) => `Line ${index + 1}`).join('\n')
+    fireEvent.input(editor)
+
+    expect(editor).toHaveClass('max-h-[160px]', 'overflow-y-auto', 'overscroll-contain')
+    expect(editor).toHaveStyle({ maxHeight: '160px', overflowY: 'auto' })
+    expect(screen.getByTestId('agent-send')).toBeVisible()
+  })
+
   it('calls onClose when close button is clicked', () => {
     const onClose = vi.fn()
     render(<AiPanel onClose={onClose} vaultPath="/tmp/vault" />)

src/components/AiPanelChrome.tsx

@@ -369,7 +369,7 @@ export function AiPanelComposer({
       style={{ padding: '8px 12px' }}
     >
       <div className="flex items-end gap-2">
-        <div className="flex-1">
+        <div className="min-w-0 flex-1">
           <WikilinkChatInput
             entries={entries}
             value={input}
@@ -379,6 +379,8 @@ export function AiPanelComposer({
             disabled={composerDisabled}
             placeholder={placeholder}
             inputRef={inputRef}
+            editorClassName="max-h-[160px] overflow-y-auto overscroll-contain"
+            editorStyle={{ maxHeight: 160, overflowY: 'auto', overscrollBehavior: 'contain' }}
           />
         </div>
         <Button

src/components/InlineWikilinkInput.tsx

@@ -4,6 +4,7 @@ import {
   useMemo,
   useRef,
   useState,
+  type CSSProperties,
   type ReactNode,
 } from 'react'
 import type { VaultEntry } from '../types'
@@ -57,6 +58,7 @@ interface InlineWikilinkInputProps {
   inputRef?: React.RefObject<HTMLDivElement | null>
   dataTestId?: string
   editorClassName?: string
+  editorStyle?: CSSProperties
   suggestionListVariant?: 'floating' | 'palette'
   suggestionEmptyLabel?: string
   paletteHeader?: ReactNode
@@ -168,6 +170,7 @@ export function InlineWikilinkInput({
   inputRef,
   dataTestId = 'agent-input',
   editorClassName,
+  editorStyle,
   suggestionListVariant = 'floating',
   suggestionEmptyLabel = 'No matching notes',
   paletteHeader,
@@ -472,6 +475,7 @@ export function InlineWikilinkInput({
       inputRef={setCombinedRef}
       dataTestId={dataTestId}
       editorClassName={editorClassName}
+      editorStyle={editorStyle}
       onCompositionEnd={handleCompositionEnd}
       onCompositionStart={handleCompositionStart}
       onInput={handleInput}

src/components/InlineWikilinkParts.tsx

@@ -1,4 +1,5 @@
 import { Fragment, createElement } from 'react'
+import type { CSSProperties } from 'react'
 import type { VaultEntry } from '../types'
 import { getTypeColor, getTypeLightColor } from '../utils/typeColors'
 import { NoteTitleIcon } from './NoteTitleIcon'
@@ -158,6 +159,7 @@ export function InlineWikilinkEditorField({
   inputRef,
   dataTestId,
   editorClassName,
+  editorStyle,
   onCompositionEnd,
   onCompositionStart,
   onInput,
@@ -175,6 +177,7 @@ export function InlineWikilinkEditorField({
   inputRef: React.Ref<HTMLDivElement>
   dataTestId: string
   editorClassName?: string
+  editorStyle?: CSSProperties
   onCompositionEnd: () => void
   onCompositionStart: () => void
   onInput: () => void
@@ -222,7 +225,7 @@ export function InlineWikilinkEditorField({
         onClick={onSelectionChange}
         onKeyUp={onSelectionChange}
         onMouseUp={onSelectionChange}
-        style={{ whiteSpace: 'pre-wrap', wordBreak: 'break-word' }}
+        style={{ ...editorStyle, whiteSpace: 'pre-wrap', wordBreak: 'break-word' }}
       >
         {segments.map((segment, index) => (
           segment.kind === 'text'

src/components/WikilinkChatInput.tsx

@@ -1,3 +1,4 @@
+import type { CSSProperties } from 'react'
 import type { VaultEntry } from '../types'
 import type { NoteReference } from '../utils/ai-context'
 import { InlineWikilinkInput } from './InlineWikilinkInput'
@@ -11,6 +12,8 @@ interface WikilinkChatInputProps {
   disabled?: boolean
   placeholder?: string
   inputRef?: React.RefObject<HTMLDivElement | null>
+  editorClassName?: string
+  editorStyle?: CSSProperties
 }
 
 export function WikilinkChatInput({
@@ -22,6 +25,8 @@ export function WikilinkChatInput({
   disabled,
   placeholder,
   inputRef,
+  editorClassName,
+  editorStyle,
 }: WikilinkChatInputProps) {
   return (
     <InlineWikilinkInput
@@ -33,6 +38,8 @@ export function WikilinkChatInput({
       disabled={disabled}
       placeholder={placeholder}
       inputRef={inputRef}
+      editorClassName={editorClassName}
+      editorStyle={editorStyle}
     />
   )
 }