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fix: sidebar state on morph-apply #203

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fix: sidebar state on morph-apply #203

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99f9128
fix: sidebar state on morph-apply
bxxf Jan 8, 2026
1d0a45c
fix: message re-rendering when changing settings
f-brebera Jan 8, 2026
3855517
fix: morph error when fragment is missing
bxxf Jan 12, 2026
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8 changes: 8 additions & 0 deletions app/api/morph-chat/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,14 @@ export async function POST(req: Request) {
currentFragment: FragmentSchema
} = await req.json()

// Validate that currentFragment exists (required for morph edits)
if (!currentFragment?.file_path || !currentFragment?.code) {
return new Response(
JSON.stringify({ error: 'currentFragment with file_path and code is required for morph edits' }),
{ status: 400, headers: { 'Content-Type': 'application/json' } }
)
}

// Rate limiting (same as chat route)
const limit = !config.apiKey
? await ratelimit(
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15 changes: 7 additions & 8 deletions app/page.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -79,10 +79,8 @@ export default function Home() {
: { [selectedTemplate]: templates[selectedTemplate] }
const lastMessage = messages[messages.length - 1]

// Determine which API to use based on morph toggle and existing fragment
const shouldUseMorph =
useMorphApply && fragment && fragment.code && fragment.file_path
const apiEndpoint = shouldUseMorph ? '/api/morph-chat' : '/api/chat'
// Determine which API to use based on morph toggle AND whether we have a fragment to edit
const apiEndpoint = useMorphApply && fragment?.code ? '/api/morph-chat' : '/api/chat'

const { object, submit, isLoading, stop, error } = useObject({
api: apiEndpoint,
Expand Down Expand Up @@ -128,7 +126,8 @@ export default function Home() {
})

useEffect(() => {
if (object) {
// Only update messages during active streaming, not when toggling settings
if (object && isLoading) {
setFragment(object)
const content: Message['content'] = [
{ type: 'text', text: object.commentary || '' },
Expand All @@ -150,7 +149,7 @@ export default function Home() {
})
}
}
}, [object])
}, [object, isLoading])

useEffect(() => {
if (error) stop()
Expand Down Expand Up @@ -200,7 +199,7 @@ export default function Home() {
template: currentTemplate,
model: currentModel,
config: languageModel,
...(shouldUseMorph && fragment ? { currentFragment: fragment } : {}),
...(useMorphApply && fragment?.code ? { currentFragment: fragment } : {}),
})

setChatInput('')
Expand All @@ -221,7 +220,7 @@ export default function Home() {
template: currentTemplate,
model: currentModel,
config: languageModel,
...(shouldUseMorph && fragment ? { currentFragment: fragment } : {}),
...(useMorphApply && fragment?.code ? { currentFragment: fragment } : {}),
})
}

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