432 lines
14 KiB
TypeScript
432 lines
14 KiB
TypeScript
"use client";
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import { useEffect, useMemo, useRef, useState } from "react";
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import { useForm } from "react-hook-form";
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import type { FormConfig, FormDataPayload, SubmitPayload } from "@/types/form";
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import { evaluate } from "@/lib/conditional";
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import { StageSection } from "./StageSection";
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import { loadDraft, saveDraft, clearDraft } from "@/lib/draft";
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interface EngagementFormProps {
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config: FormConfig;
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cid: string;
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cs: string;
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}
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type LoadState =
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| { kind: "loading" }
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| { kind: "error"; message: string }
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| { kind: "ready"; data: FormDataPayload };
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type SubmitStatus =
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| { kind: "idle" }
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| { kind: "submitting" }
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| { kind: "success" }
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| { kind: "error"; message: string };
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const STAGE_RANK: Record<string, number> = {
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Inquiry: 0,
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Organizing: 1,
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Feasibility: 2,
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"Business feasibility": 3,
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"Store Implementation": 4,
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"Stabilize newly opened co-op": 5,
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};
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export function EngagementForm({ config, cid, cs }: EngagementFormProps) {
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const [load, setLoad] = useState<LoadState>({ kind: "loading" });
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const [submitState, setSubmitState] = useState<SubmitStatus>({ kind: "idle" });
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const [draftSavedAt, setDraftSavedAt] = useState<string | null>(null);
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const [draftRestored, setDraftRestored] = useState(false);
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const {
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register,
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handleSubmit,
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reset,
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watch,
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formState: { errors, isDirty },
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} = useForm({ mode: "onBlur" });
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const formValues = watch();
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// ── Initial load ───────────────────────────────────────────────────────
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useEffect(() => {
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let cancelled = false;
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async function go() {
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try {
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const url = new URL("/api/data", window.location.origin);
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url.searchParams.set("cid", cid);
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url.searchParams.set("cs", cs);
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const res = await fetch(url.toString(), { cache: "no-store" });
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if (!res.ok) {
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const text = await res.text();
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let message = `Could not load form (HTTP ${res.status}).`;
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try {
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const j = JSON.parse(text) as { error?: string };
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if (j.error) message = j.error;
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} catch { /* keep default */ }
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if (!cancelled) setLoad({ kind: "error", message });
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return;
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}
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const data: FormDataPayload = await res.json();
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if (cancelled) return;
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// Build defaults: server prefill + current stage. Then check if a
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// local draft exists newer than the server data; if so, layer it on top.
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const defaults: Record<string, unknown> = {
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[config.stageField]: data.currentStage,
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...data.prefill,
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};
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const draft = loadDraft(cid);
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if (draft && Object.keys(draft.values).length > 0) {
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Object.assign(defaults, draft.values);
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// Re-set the stage from server (draft can never override the org's actual stage).
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defaults[config.stageField] = data.currentStage;
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setDraftRestored(true);
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setDraftSavedAt(draft.savedAt);
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}
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reset(defaults);
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setLoad({ kind: "ready", data });
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} catch (e) {
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if (!cancelled) {
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setLoad({
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kind: "error",
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message: e instanceof Error ? e.message : "Unexpected error loading form.",
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});
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}
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}
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}
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void go();
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return () => {
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cancelled = true;
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};
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}, [cid, cs, reset, config.stageField]);
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// ── Auto-save draft on idle ────────────────────────────────────────────
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// Debounce — save 1.5s after the user stops editing.
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const saveTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
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useEffect(() => {
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if (load.kind !== "ready") return;
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if (!isDirty) return;
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if (saveTimer.current) clearTimeout(saveTimer.current);
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saveTimer.current = setTimeout(() => {
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saveDraft(cid, formValues);
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setDraftSavedAt(new Date().toISOString());
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}, 1500);
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return () => {
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if (saveTimer.current) clearTimeout(saveTimer.current);
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};
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}, [formValues, isDirty, load.kind, cid]);
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// ── Section ordering ───────────────────────────────────────────────────
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const sectionsToRender = useMemo(
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() =>
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config.sections.map((s) => ({
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section: s,
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sectionVisible: evaluate(s.visibleWhen, formValues),
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})),
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[config.sections, formValues],
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);
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const currentStageValue = formValues[config.stageField] as string | undefined;
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const currentRank = currentStageValue ? STAGE_RANK[currentStageValue] ?? 0 : 0;
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// ── Render ─────────────────────────────────────────────────────────────
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if (load.kind === "loading") return <LoadingState />;
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if (load.kind === "error") return <ErrorState message={load.message} />;
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const onSubmit = async (values: Record<string, unknown>) => {
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setSubmitState({ kind: "submitting" });
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try {
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// Strip values for hidden fields — never write data the user couldn't see.
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const visibleFieldNames = new Set<string>();
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for (const s of config.sections) {
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if (!evaluate(s.visibleWhen, values)) continue;
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for (const f of s.fields) {
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if (evaluate(f.visibleWhen, values)) visibleFieldNames.add(f.name);
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}
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for (const m of s.matrixGroups ?? []) {
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for (const row of m.rows) {
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for (const fname of row.fields) visibleFieldNames.add(fname);
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}
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}
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}
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const filtered: Record<string, unknown> = {};
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for (const [k, v] of Object.entries(values)) {
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if (visibleFieldNames.has(k)) filtered[k] = v;
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}
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const payload: SubmitPayload = { cid, cs, values: filtered };
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const res = await fetch("/api/submit", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload),
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});
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if (!res.ok) {
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const text = await res.text();
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let message = `Submit failed (HTTP ${res.status}).`;
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try {
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const j = JSON.parse(text) as { error?: string };
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if (j.error) message = j.error;
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} catch { /* keep default */ }
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setSubmitState({ kind: "error", message });
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return;
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}
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// Successful submit — clear draft and show confirmation.
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clearDraft(cid);
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setDraftSavedAt(null);
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setSubmitState({ kind: "success" });
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} catch (e) {
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setSubmitState({
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kind: "error",
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message: e instanceof Error ? e.message : "Unexpected submit error.",
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});
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}
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};
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return (
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<form onSubmit={handleSubmit(onSubmit)} className="space-y-5" noValidate>
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<SubmissionContextHeader
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orgName={load.data.orgName}
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currentStage={load.data.currentStage}
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currentRank={currentRank}
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/>
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{draftRestored && draftSavedAt && (
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<DraftRestoredNotice savedAt={draftSavedAt} onDiscard={() => {
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clearDraft(cid);
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setDraftRestored(false);
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setDraftSavedAt(null);
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// Force re-fetch by bumping a key — simplest is full page reload.
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window.location.reload();
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}} />
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)}
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<ol className="space-y-5">
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{sectionsToRender.map(({ section, sectionVisible }) => {
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if (!sectionVisible) return null;
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return (
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<li key={section.id} className="list-none">
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<StageSection
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section={section}
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register={register}
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errors={errors}
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formValues={formValues}
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isCurrent={section.rank === currentRank}
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defaultOpen={section.rank === currentRank || section.rank === 0}
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options={load.data.options ?? {}}
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/>
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</li>
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);
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})}
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</ol>
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<SubmitBar
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state={submitState}
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isDirty={isDirty}
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draftSavedAt={draftSavedAt}
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/>
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</form>
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);
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}
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function SubmissionContextHeader({
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orgName,
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currentStage,
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currentRank,
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}: {
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orgName: string;
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currentStage: string;
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currentRank: number;
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}) {
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return (
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<header className="rounded-lg border border-rule bg-paper-2/40 px-6 py-5 sm:px-7 sm:py-6">
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<p className="text-[11px] uppercase tracking-[0.18em] text-ink-mute">Check-in for</p>
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<h1 className="mt-1 font-display text-3xl font-medium leading-tight tracking-tight text-ink sm:text-[34px]">
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{orgName}
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</h1>
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<div className="mt-3 flex items-center gap-3">
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<StageProgress currentRank={currentRank} />
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<span className="text-sm text-ink-soft">
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<span className="text-ink-mute">Stage</span>{" "}
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<span className="font-medium text-leaf-800">{currentStage || "—"}</span>
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</span>
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</div>
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</header>
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);
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}
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/**
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* Six small dots representing the six stages, with the current rank filled
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* and earlier ranks marked as visited. Quietly conveys progression without
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* pretending to be a "100% complete" progress bar.
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*/
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function StageProgress({ currentRank }: { currentRank: number }) {
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return (
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<div className="flex items-center gap-1.5" role="img" aria-label={`Stage ${currentRank} of 5`}>
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{[0, 1, 2, 3, 4, 5].map((r) => (
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<span
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key={r}
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className={
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"h-1.5 rounded-full transition-all " +
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(r < currentRank
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? "w-2.5 bg-leaf-300"
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: r === currentRank
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? "w-6 bg-leaf-700"
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: "w-2.5 bg-rule-soft")
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}
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/>
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))}
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</div>
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);
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}
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function DraftRestoredNotice({
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savedAt,
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onDiscard,
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}: {
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savedAt: string;
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onDiscard: () => void;
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}) {
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const ago = formatRelative(savedAt);
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return (
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<div
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role="status"
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className="flex flex-col gap-2 rounded-lg border border-clay-200 bg-clay-100/40 px-5 py-3 text-sm text-clay-700 sm:flex-row sm:items-center sm:justify-between"
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>
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<p>
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<span className="font-medium">Draft restored</span> from {ago}. Your in-progress edits were
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saved locally and have been re-applied.
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</p>
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<button
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type="button"
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onClick={onDiscard}
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className="self-start rounded border border-clay-400/40 bg-paper px-3 py-1 text-xs font-medium text-clay-700 transition hover:bg-clay-100 focus:outline-none focus-visible:ring-2 focus-visible:ring-clay-500/40 sm:self-auto"
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>
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Discard draft
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</button>
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</div>
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);
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}
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function SubmitBar({
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state,
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isDirty,
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draftSavedAt,
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}: {
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state: SubmitStatus;
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isDirty: boolean;
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draftSavedAt: string | null;
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}) {
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return (
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<div className="sticky bottom-3 z-20 flex flex-col gap-3 rounded-lg border border-rule bg-paper/95 px-5 py-4 shadow-[0_-4px_24px_-12px_rgba(60,80,40,0.2)] backdrop-blur sm:flex-row sm:items-center sm:justify-between sm:px-6">
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<div className="flex flex-col gap-0.5">
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<SubmitFeedback state={state} />
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{state.kind === "idle" && (
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<p className="text-xs text-ink-mute">
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{isDirty
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? draftSavedAt
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? `Draft saved ${formatRelative(draftSavedAt)} (locally on this device)`
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: "Editing — your draft will save automatically"
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: "Submitting saves a new check-in record on your co-op."}
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</p>
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)}
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</div>
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<button
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type="submit"
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disabled={state.kind === "submitting"}
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className="inline-flex items-center justify-center gap-2 rounded-md bg-leaf-700 px-6 py-2.5 font-medium text-paper transition hover:bg-leaf-800 focus:outline-none focus-visible:ring-2 focus-visible:ring-leaf-500/40 disabled:cursor-not-allowed disabled:bg-ink-mute"
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>
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{state.kind === "submitting" ? (
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<>
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<Spinner /> Saving check-in…
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</>
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) : (
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<>Submit check-in</>
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)}
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</button>
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</div>
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);
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}
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function SubmitFeedback({ state }: { state: SubmitStatus }) {
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if (state.kind === "submitting")
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return (
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<p className="text-sm text-ink-soft" role="status">
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Saving your check-in…
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</p>
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);
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if (state.kind === "success")
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return (
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<p className="text-sm font-medium text-leaf-800" role="status">
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✓ Check-in saved. Thank you.
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</p>
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);
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if (state.kind === "error")
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return (
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<p className="text-sm font-medium text-clay-700" role="alert">
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✕ {state.message}
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</p>
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);
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return null;
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}
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function Spinner() {
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return (
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<svg
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aria-hidden
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viewBox="0 0 16 16"
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className="h-4 w-4 animate-spin"
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fill="none"
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stroke="currentColor"
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strokeWidth="2"
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>
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<path d="M14 8a6 6 0 11-6-6" strokeLinecap="round" />
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</svg>
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);
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}
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function LoadingState() {
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return (
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<div className="rounded-lg border border-rule bg-paper px-6 py-12 text-center">
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<div
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aria-hidden
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className="mx-auto mb-4 h-7 w-7 animate-spin rounded-full border-[1.5px] border-rule border-t-leaf-700"
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/>
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<p className="font-display text-base text-ink-soft italic">Loading your check-in…</p>
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</div>
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);
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}
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function ErrorState({ message }: { message: string }) {
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return (
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<div
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role="alert"
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className="rounded-lg border-2 border-clay-200 bg-clay-100/30 px-6 py-7"
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>
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<h2 className="font-display text-xl font-medium text-clay-700">
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We couldn't open your check-in.
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</h2>
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<p className="mt-3 text-sm leading-relaxed text-ink-soft">{message}</p>
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<p className="mt-4 text-sm text-ink-soft">
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If this keeps happening, please contact your engagement coordinator and ask for a fresh
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link.
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</p>
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</div>
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);
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}
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function formatRelative(iso: string): string {
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const then = new Date(iso).getTime();
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if (Number.isNaN(then)) return iso;
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const seconds = Math.round((Date.now() - then) / 1000);
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if (seconds < 60) return "just now";
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const minutes = Math.round(seconds / 60);
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if (minutes < 60) return `${minutes} min ago`;
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const hours = Math.round(minutes / 60);
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if (hours < 24) return `${hours}h ago`;
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const days = Math.round(hours / 24);
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if (days < 30) return `${days} days ago`;
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if (days < 365) return `${Math.round(days / 30)} months ago`;
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return `${Math.round(days / 365)} years ago`;
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}
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