Join pre/prompt/post for Comfy, stop zero-size generates snapping to a small square, and give the phone library a real closeable preview.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/utils/imageChain.ts

@@ -8,7 +8,7 @@ import { imageDimensions } from '~/server/utils/resolution'
 import { emitChainJob } from '~/server/utils/watch'
 import { saveStill, stillChainName } from '~/server/utils/library'
 import { comfyJobPrefix } from '~/utils/outputNames'
-import { composePromptParts } from '~/utils/promptParts'
+import { joinPromptParts } from '~/utils/promptParts'
 
 export type EditImageFile = { filename: string; data: Buffer; type?: string }
 
@@ -68,7 +68,7 @@ export async function runEdit(job: Job, params: EditRunParams) {
         if (job.status === 'cancelled') throw new Error('Job interrupted.')
         if (index > 0 && library.stopAfterCurrent === true) break
         const mid = (batch || index === 0) ? composeFillPrompt(prompts[index], filled.padded) : prompts[index]
-        const prompt = composePromptParts(library.promptPre || '', mid, library.promptPost || '')
+        const prompt = joinPromptParts(library.promptPre, mid, library.promptPost)
         const last = index === prompts.length - 1
         if (index > 0) {
           await ensureComfyReady((status) => {