Studying: daily five minutes, reading list, plan-day studies use your template

- Home: "Your five minutes": a rotating Observe/Interpret/Apply prompt on the
  passage whose matching note is thinnest in your own words, a 5:00 clock and a
  box that appends to that note. Pasting is blocked; sessions show in Insights.
- Study: a Reading list tab (R) for the study: books and articles to consult,
  with a note and a tick; merges across devices.
- Starting a study from a reading-plan day now uses the notes template you last
  picked when starting a study by hand (logic moved to utils/planStudy.js).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/utils/planStudy.js

@@ -0,0 +1,33 @@
+// A study started from one day of a reading plan: a chunk for each whole chapter in the day, with the notes template
+// you last used when starting a study by hand (so the prompts and starter text are the ones you're used to).
+import { templateStarter } from './studyTemplates.js';
+
+export const lastTemplateId = () => { try { return localStorage.getItem('last-template') || 'blank'; } catch { return 'blank'; } };
+export const rememberTemplate = (id) => { try { localStorage.setItem('last-template', id || 'blank'); } catch { /* storage unavailable */ } };
+
+// chapters: [{ bookAbbrev, bookName, chapter, verses: [{ number, text }] }]; ids come from `makeId`.
+export function planStudyProject({ chapters, title, templateId = 'blank', templateDef = null, makeId, now = Date.now() }) {
+  const built = chapters.map(({ bookAbbrev, bookName, chapter, verses }) => ({
+    book: bookName, bookAbbrev, chapter: String(chapter), verses,
+    chunks: [{
+      id: makeId(),
+      startVerse: verses[0]?.number ?? 1,
+      endVerse: verses.at(-1)?.number ?? 1,
+      spilloverEndVerse: null,
+      observation: '', interpretation: '', application: '',
+      crossReferences: [], greekWords: [], generalNotes: '',
+      episodeNumber: '', episodeTitle: '', finalScript: '', tags: [],
+      ...templateStarter(templateDef ?? templateId),
+    }],
+  }));
+  return {
+    id: makeId(),
+    title: title || 'Reading Plan Study',
+    translation: 'BSB',
+    templateId,
+    ...(templateDef ? { templateDef } : {}),
+    lastEdited: now,
+    selectedChunkId: built[0]?.chunks[0]?.id ?? null,
+    chapters: built,
+  };
+}