Add Prompt Builder page for multi-scene prompt sequences.

Name, save, and load ordered scenes on the server; assemble copyable text with a Batch-compatible double blank line between scenes.
2026-10-02 07:15:00 -05:00
parent 5788d74001
commit 1bf97568bf
12 changed files with 866 additions and 1 deletions
@@ -0,0 +1,68 @@
+/** Pure prompt-sequence helpers (shared by page + tests). */
+
+export function newId() {
+  if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
+    return crypto.randomUUID()
+  }
+  return `ps-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 10)}`
+}
+
+export function emptyCharacter() {
+  return { id: newId(), name: '', description: '' }
+}
+
+export function emptyScene(index = 1) {
+  return {
+    id: newId(),
+    title: `Scene ${Math.max(1, index)}`,
+    style: '',
+    settings: '',
+    characters: [emptyCharacter()],
+    prompt: ''
+  }
+}
+
+export function cloneSceneForNext(previous, nextIndex) {
+  return {
+    id: newId(),
+    title: `Scene ${nextIndex}`,
+    style: previous.style,
+    settings: previous.settings,
+    characters: (previous.characters || []).map(character => ({
+      id: newId(),
+      name: character.name,
+      description: character.description
+    })),
+    prompt: previous.prompt
+  }
+}
+
+export function formatCharacterLine(character) {
+  const name = String(character?.name || '').trim()
+  const description = String(character?.description || '').trim()
+  if (!name && !description) return ''
+  if (name && description) return `${name}: ${description}`
+  return name || description
+}
+
+export function assembleSceneText(scene) {
+  const characterBlock = (scene?.characters || [])
+    .map(formatCharacterLine)
+    .filter(Boolean)
+    .join('\n')
+  const parts = [
+    String(scene?.style || '').trim(),
+    String(scene?.settings || '').trim(),
+    characterBlock,
+    String(scene?.prompt || '').trim()
+  ].filter(Boolean)
+  return parts.join('\n\n')
+}
+
+/** Scenes join with \\n\\n\\n (desktop Batch double blank). Name is never included. */
+export function assembleSequenceText(sequence) {
+  return (sequence?.scenes || [])
+    .map(assembleSceneText)
+    .filter(Boolean)
+    .join('\n\n\n')
+}