diff --git a/web/src/lib/components/Crans.svelte b/web/src/lib/components/Crans.svelte
new file mode 100644
index 0000000..cc0d1c5
--- /dev/null
+++ b/web/src/lib/components/Crans.svelte
@@ -0,0 +1,42 @@
+<script lang="ts">
+  // The inertia of a module, drawn: five notches side by side, the level filled
+  // (ADR 0007, « cinq crans »). The water level of a vote stands upright; the
+  // weight of a text lies flat — two shapes one does not confuse. The words stay
+  // beside it: « inertie 3 / 5 · moyenne », or only « moyenne » when `short`
+  // (a screen reader still hears the whole).
+  import { t } from '$lib/i18n/index.svelte';
+  import { inertiaBadge } from '$lib/labels';
+  import type { Inertia } from '$lib/types';
+
+  let { level, short = false }: { level: Inertia; short?: boolean } = $props();
+  const full = $derived(inertiaBadge(level));
+</script>
+
+<span class="crans" title={full}>
+  <span class="notches" aria-hidden="true">
+    {#each [1, 2, 3, 4, 5] as k (k)}<span class="notch" class:on={k <= level}></span>{/each}
+  </span>
+  {#if short}<span class="visually-hidden">{full}</span><span aria-hidden="true">{t(`inertia.name.${level}`)}</span>{:else}<span>{full}</span>{/if}
+</span>
+
+<style>
+  .crans {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.4rem;
+    white-space: nowrap;
+  }
+  .notches {
+    display: inline-flex;
+    gap: 2px;
+  }
+  .notch {
+    width: 5px;
+    height: 0.62rem;
+    border-radius: 2px;
+    background: color-mix(in srgb, var(--ink-faint) 28%, transparent);
+  }
+  .notch.on {
+    background: var(--ink-soft);
+  }
+</style>
diff --git a/web/src/lib/components/Icon.svelte b/web/src/lib/components/Icon.svelte
index 35446b1..398640d 100644
--- a/web/src/lib/components/Icon.svelte
+++ b/web/src/lib/components/Icon.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   // A few line icons, drawn here rather than pulled from a library.
-  let { name, size = 18 }: { name: 'lock' | 'close' | 'menu' | 'moon' | 'sun' | 'chevron' | 'message' | 'key' | 'plus' | 'inbox'; size?: number } = $props();
+  let { name, size = 18 }: { name: 'lock' | 'close' | 'menu' | 'moon' | 'sun' | 'chevron' | 'message' | 'key' | 'plus' | 'inbox' | 'grip'; size?: number } = $props();
 </script>
 
 <svg width={size} height={size} viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
@@ -22,6 +22,8 @@
     <circle cx="8" cy="15" r="4" /><path d="M11 12l8-8M16 7l2 2M14 9l2 2" />
   {:else if name === 'plus'}
     <path d="M12 5v14M5 12h14" />
+  {:else if name === 'grip'}
+    <g fill="currentColor" stroke="none"><circle cx="9" cy="6" r="1.6" /><circle cx="15" cy="6" r="1.6" /><circle cx="9" cy="12" r="1.6" /><circle cx="15" cy="12" r="1.6" /><circle cx="9" cy="18" r="1.6" /><circle cx="15" cy="18" r="1.6" /></g>
   {:else if name === 'inbox'}
     <path d="M4 13l2.2-7.3A1 1 0 0 1 7.2 5h9.6a1 1 0 0 1 1 .7L20 13v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1z" /><path d="M4 13h4.5l1 2h5l1-2H20" />
   {/if}
diff --git a/web/src/lib/types.ts b/web/src/lib/types.ts
index f700121..b114996 100644
--- a/web/src/lib/types.ts
+++ b/web/src/lib/types.ts
@@ -125,6 +125,18 @@ export interface Proposal {
   translations: Partial<Record<Lang, Translation>>;
   /** An order version: the order it gives its section now. */
   order?: OrderInfo;
+  /**
+   * Lot S: a « Proposition seed », proposed at the start to set the vote going — not in
+   * force. Absent before lot S: read as false.
+   */
+  seedProposal?: boolean;
+  /**
+   * Lot V: where this session's vote stands — recorded, waiting (the chain, the buffer of
+   * intentions), or simulated while the chain is closed. Absent before lot V.
+   */
+  myVoteState?: 'recorded' | 'pending' | 'simulated' | null;
+  /** Lot V: votes cast and not counted yet (the buffer of intentions). */
+  tallyPending?: Tally;
 }
 
 export type Choice = 'for' | 'against' | 'none';
@@ -156,6 +168,11 @@ export interface VoteAccess {
   open: boolean;
   reason: 'members_only' | 'chain_off' | null;
   chain: ChainSettings | null;
+  /**
+   * Lot V: the vote is simulated while the chain is closed — the buttons show as if it
+   * were open, marked « vote simulé ». Absent before lot V.
+   */
+  simulated?: true;
 }
 
 /** A ballot of the chain, as `GET /api/ballots/{id}` tells it to the session that asked. */
diff --git a/web/src/lib/vote.ts b/web/src/lib/vote.ts
index 46acd81..b1316ed 100644
--- a/web/src/lib/vote.ts
+++ b/web/src/lib/vote.ts
@@ -6,7 +6,7 @@ import type { DocState } from './doc.svelte';
 import { i18n, t, type Key } from './i18n/index.svelte';
 import { toasts } from './toast.svelte';
 import { moduleName, sectionLabel } from './labels';
-import type { Entered } from './types';
+import type { Entered, VoteAccess } from './types';
 
 /** A line of a vote: one version, for or against, or null to withdraw one's vote. */
 export interface Line {
@@ -14,6 +14,19 @@ export interface Line {
   choice: 'for' | 'against' | null;
 }
 
+/**
+ * Whether this session sees the buttons of the vote: open, or simulated while the chain is
+ * closed (lot V: « les boutons de vote apparaissent partout comme si le vote était ouvert »).
+ */
+export function canCast(access: VoteAccess | null | undefined): boolean {
+  return !!access && (access.open || access.simulated === true);
+}
+
+/** A vote that goes through the person's Ğ1 wallet; a simulated vote never does. */
+export function byChain(access: VoteAccess | null | undefined): boolean {
+  return access?.way === 'chain' && access.simulated !== true && !!access.chain;
+}
+
 /** Cents of Ğ1, as the person reads them: « 0,1 » in French. */
 export function g1Amount(cents: number): string {
   return i18n.number(cents / 100);