4 files changed, 514 insertions, 0 deletions
diff --git a/src/features/account-usage/ui/AccountUsageView.svelte b/src/features/account-usage/ui/AccountUsageView.svelte
new file mode 100644
index 0000000..2a7a589
--- /dev/null
+++ b/src/features/account-usage/ui/AccountUsageView.svelte
@@ -0,0 +1,155 @@
+<script lang="ts">
+  import { untrack } from "svelte";
+  import type {
+    AccountUsageReport,
+    AccountUsageResponse,
+    LoadAccountUsage,
+    SaveAccountUsageSettings,
+  } from "../logic/types";
+  import { viewProviderCards } from "../logic/view-model";
+  import DailyCreditsSettings from "./DailyCreditsSettings.svelte";
+  import UsageBar from "./UsageBar.svelte";
+
+  let {
+    load,
+    saveSettings,
+    now = () => Date.now(),
+    pollMs = 60_000,
+  }: {
+    load: LoadAccountUsage;
+    /** Save per-provider settings (Hyper allowance + reset time). */
+    saveSettings: SaveAccountUsageSettings;
+    /** Injected clock (tests). */
+    now?: () => number;
+    /** How often to re-read `GET /usage` (served from the backend cache). */
+    pollMs?: number;
+  } = $props();
+
+  let usage = $state<AccountUsageResponse | null>(null);
+  let error = $state<string | null>(null);
+  let refreshing = $state(false);
+  let inFlight = false;
+  /** Ticks so the pace marker + "resets in" labels advance between polls. */
+  let clock = $state(untrack(() => now()));
+
+  const cards = $derived(usage ? viewProviderCards(usage, clock) : []);
+
+  async function refresh(force: boolean): Promise<void> {
+    if (inFlight) return;
+    inFlight = true;
+    if (force) refreshing = true;
+    const result = await load(force ? { refresh: true } : undefined);
+    inFlight = false;
+    refreshing = false;
+    clock = now();
+    if (result.ok) {
+      usage = result.usage;
+      error = null;
+    } else {
+      error = result.unavailable
+        ? "Account usage is unavailable (backend extension not loaded)."
+        : result.error;
+    }
+  }
+
+  /** Splice a provider's refreshed report (from a settings save) into the view. */
+  function replaceReport(report: AccountUsageReport): void {
+    clock = now();
+    if (!usage) return;
+    usage = {
+      ...usage,
+      providers: usage.providers.map((p) => (p.provider === report.provider ? report : p)),
+    };
+  }
+
+  $effect(() => {
+    const interval = untrack(() => pollMs);
+    untrack(() => void refresh(false));
+    const poll = setInterval(() => void refresh(false), interval);
+    const tick = setInterval(() => {
+      clock = now();
+    }, 30_000);
+    return () => {
+      clearInterval(poll);
+      clearInterval(tick);
+    };
+  });
+</script>
+
+<div class="flex flex-col gap-3">
+  <div class="flex items-center justify-between gap-2">
+    <h3 class="text-xs font-semibold uppercase opacity-60">Subscription usage</h3>
+    <button
+      type="button"
+      class="btn btn-ghost btn-xs"
+      onclick={() => void refresh(true)}
+      disabled={refreshing}
+      aria-label="Refresh account usage"
+    >
+      {#if refreshing}<span class="loading loading-spinner loading-xs"></span>{/if}
+      Refresh
+    </button>
+  </div>
+
+  {#if error}
+    <p class="text-xs text-error">{error}</p>
+  {/if}
+
+  {#if usage === null && error === null}
+    <p class="text-xs opacity-60">Loading…</p>
+  {/if}
+
+  {#each cards as card (card.provider)}
+    <section class="flex flex-col gap-2 rounded-box bg-base-200 p-2" aria-label="{card.label} usage">
+      <div class="flex items-start justify-between gap-2">
+        <div class="flex min-w-0 flex-col">
+          <span class="text-sm font-semibold">{card.label}</span>
+          {#if card.subtitle}
+            <span class="truncate text-[11px] opacity-60">{card.subtitle}</span>
+          {/if}
+        </div>
+        <div class="flex shrink-0 flex-col items-end gap-0.5">
+          {#if card.stateBadge}
+            <span
+              class="badge badge-xs"
+              class:badge-warning={card.state === "stale"}
+              class:badge-error={card.state === "unavailable"}
+              class:badge-ghost={card.state === "unsupported" || card.state === "not-configured"}
+              >{card.stateBadge}</span
+            >
+          {/if}
+          {#if card.ageLabel}
+            <span class="text-[11px] opacity-50">updated {card.ageLabel}</span>
+          {/if}
+        </div>
+      </div>
+
+      {#if card.message}
+        <p class="text-xs opacity-70">{card.message}</p>
+      {/if}
+      {#if card.creditNote}
+        <p class="text-xs text-warning">{card.creditNote}</p>
+      {/if}
+
+      {#each card.bars as bar (bar.id)}
+        <UsageBar {bar} />
+      {/each}
+
+      {#if card.daily}
+        <DailyCreditsSettings
+          daily={card.daily}
+          save={saveSettings}
+          onSaved={replaceReport}
+          {now}
+        />
+      {/if}
+    </section>
+  {/each}
+
+  {#if cards.some((c) => c.bars.some((b) => b.pacePercent !== null))}
+    <p class="flex items-center gap-1.5 text-[11px] opacity-50">
+      <span class="inline-block size-2 rounded-full bg-base-content"></span>
+      on-track pace — usage that would exactly use the allowance by its reset
+    </p>
+  {/if}
+</div>
diff --git a/src/features/account-usage/ui/AccountUsageView.test.ts b/src/features/account-usage/ui/AccountUsageView.test.ts
new file mode 100644
index 0000000..ec1e51b
--- /dev/null
+++ b/src/features/account-usage/ui/AccountUsageView.test.ts
@@ -0,0 +1,184 @@
+import type { AccountUsageResponse } from "@dispatch/transport-contract";
+import { render, screen } from "@testing-library/svelte";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it } from "vitest";
+import type {
+  AccountUsageResult,
+  AccountUsageSettingsResult,
+  SaveAccountUsageSettings,
+} from "../logic/types";
+import AccountUsageView from "./AccountUsageView.svelte";
+
+const NOW = 1_760_000_000_000;
+
+const noSave: SaveAccountUsageSettings = async () => ({ ok: false, error: "unused" });
+const DAY = 86_400_000;
+
+const usage: AccountUsageResponse = {
+  servedAt: NOW,
+  providers: [
+    {
+      provider: "claude",
+      label: "Claude",
+      state: "fresh",
+      account: { accountId: "a", email: "[email protected]", planType: "max" },
+      limits: [
+        {
+          id: "claude:7d",
+          label: "7 Day",
+          kind: "window",
+          windowId: "7d",
+          shared: true,
+          tier: null,
+          durationMs: 28 * DAY,
+          resetsAt: NOW + 14 * DAY,
+          unit: "percent",
+          used: 30,
+          limit: 100,
+          remaining: 70,
+          usedFraction: 0.3,
+          remainingFraction: 0.7,
+          status: "ok",
+        },
+      ],
+      limitReached: null,
+      canServe: null,
+      creditOverage: false,
+      credits: null,
+      dailyCredits: null,
+      fetchedAt: NOW,
+      lastAttemptAt: NOW,
+      nextRefreshAt: NOW + 300_000,
+      error: null,
+    },
+    {
+      provider: "codex",
+      label: "Codex",
+      state: "not-configured",
+      account: null,
+      limits: [],
+      limitReached: null,
+      canServe: null,
+      creditOverage: false,
+      credits: null,
+      dailyCredits: null,
+      fetchedAt: null,
+      lastAttemptAt: NOW,
+      nextRefreshAt: NOW + 30_000,
+      error: "No Codex OAuth credentials",
+    },
+  ],
+};
+
+describe("AccountUsageView", () => {
+  it("renders a daisyUI progress bar with a pace marker at the elapsed position", async () => {
+    const calls: Array<{ refresh?: boolean } | undefined> = [];
+    const load = async (opts?: { refresh?: boolean }): Promise<AccountUsageResult> => {
+      calls.push(opts);
+      return { ok: true, usage };
+    };
+    render(AccountUsageView, { load, saveSettings: noSave, now: () => NOW });
+    const bar = await screen.findByLabelText("7 Day usage");
+    expect(bar.tagName).toBe("PROGRESS");
+    expect(bar.classList.contains("progress")).toBe(true);
+    expect(bar.getAttribute("value")).toBe("30");
+    const marker = screen.getByTestId("pace-marker");
+    expect(marker.getAttribute("style")).toContain("left: 50%");
+    expect(screen.getByText("20% under pace")).toBeTruthy();
+    expect(screen.getByText(/Not signed in to Codex/)).toBeTruthy();
+
+    await userEvent.click(screen.getByRole("button", { name: "Refresh account usage" }));
+    expect(calls.at(-1)).toEqual({ refresh: true });
+  });
+
+  it("shows the unavailable message on 503", async () => {
+    const load = async (): Promise<AccountUsageResult> => ({
+      ok: false,
+      error: "x",
+      unavailable: true,
+    });
+    render(AccountUsageView, { load, saveSettings: noSave, now: () => NOW });
+    expect(await screen.findByText(/backend extension not loaded/)).toBeTruthy();
+  });
+
+  it("edits the Hyper allowance + reset time and splices the saved report", async () => {
+    const hyper = {
+      provider: "hyper" as const,
+      label: "Hyper",
+      state: "fresh" as const,
+      account: { accountId: null, email: null, planType: null },
+      limits: [
+        {
+          id: "hyper:daily",
+          label: "Daily credits",
+          kind: "window" as const,
+          windowId: "1d",
+          shared: true,
+          tier: null,
+          durationMs: DAY,
+          resetsAt: null,
+          unit: "credits" as const,
+          used: 150,
+          limit: 250,
+          remaining: 100,
+          usedFraction: 0.6,
+          remainingFraction: 0.4,
+          status: "ok" as const,
+        },
+      ],
+      limitReached: null,
+      canServe: true,
+      creditOverage: false,
+      credits: null,
+      dailyCredits: { balance: 100, allowance: 250, resetAnchor: null, resetSource: null },
+      fetchedAt: NOW,
+      lastAttemptAt: NOW,
+      nextRefreshAt: NOW + 300_000,
+      error: null,
+    };
+    const load = async (): Promise<AccountUsageResult> => ({
+      ok: true,
+      usage: { servedAt: NOW, providers: [hyper] },
+    });
+    const saved: Array<Parameters<SaveAccountUsageSettings>[1]> = [];
+    const saveSettings: SaveAccountUsageSettings = async (_p, settings) => {
+      saved.push(settings);
+      const r: AccountUsageSettingsResult = {
+        ok: true,
+        report: {
+          ...hyper,
+          limits: [
+            {
+              ...(hyper.limits[0] as (typeof hyper.limits)[0]),
+              limit: 300,
+              resetsAt: NOW + DAY / 2,
+            },
+          ],
+          dailyCredits: {
+            balance: 100,
+            allowance: 300,
+            resetAnchor: NOW - DAY / 2,
+            resetSource: "manual",
+          },
+        },
+      };
+      return r;
+    };
+    render(AccountUsageView, { load, saveSettings, now: () => NOW });
+    expect(await screen.findByText("150 / 250")).toBeTruthy();
+    expect(screen.queryByTestId("pace-marker")).toBeNull();
+
+    await userEvent.click(screen.getByRole("button", { name: "Edit Hyper credit settings" }));
+    const allowance = screen.getByLabelText("Daily credit allowance");
+    await userEvent.clear(allowance);
+    await userEvent.type(allowance, "300");
+    const time = screen.getByLabelText("Daily credit reset time") as HTMLInputElement;
+    await userEvent.type(time, "09:00");
+    await userEvent.click(screen.getByRole("button", { name: "Save Hyper credit settings" }));
+
+    expect(saved[0]?.dailyAllowance).toBe(300);
+    expect(typeof saved[0]?.resetAnchor).toBe("number");
+    expect(await screen.findByText(/set manually/)).toBeTruthy();
+    expect(screen.getByTestId("pace-marker")).toBeTruthy();
+  });
+});
diff --git a/src/features/account-usage/ui/DailyCreditsSettings.svelte b/src/features/account-usage/ui/DailyCreditsSettings.svelte
new file mode 100644
index 0000000..7ed710a
--- /dev/null
+++ b/src/features/account-usage/ui/DailyCreditsSettings.svelte
@@ -0,0 +1,126 @@
+<script lang="ts">
+  import { untrack } from "svelte";
+  import type { AccountUsageReport, SaveAccountUsageSettings } from "../logic/types";
+  import {
+    anchorFromTimeOfDay,
+    type DailyCreditsView,
+    parseAllowanceInput,
+  } from "../logic/view-model";
+
+  let {
+    daily,
+    save,
+    onSaved,
+    now = () => Date.now(),
+  }: {
+    daily: DailyCreditsView;
+    save: SaveAccountUsageSettings;
+    /** Receives the refreshed report after a successful save. */
+    onSaved: (report: AccountUsageReport) => void;
+    now?: () => number;
+  } = $props();
+
+  let editing = $state(false);
+  let allowanceInput = $state("");
+  let timeInput = $state("");
+  let saving = $state(false);
+  let error = $state<string | null>(null);
+
+  const parsedAllowance = $derived(parseAllowanceInput(allowanceInput));
+  const timeValid = $derived(timeInput === "" || anchorFromTimeOfDay(timeInput, now()) !== null);
+
+  function startEdit(): void {
+    untrack(() => {
+      allowanceInput = String(daily.allowance);
+      timeInput = daily.resetTime;
+    });
+    error = null;
+    editing = true;
+  }
+
+  async function submit(): Promise<void> {
+    if (parsedAllowance === null || !timeValid) return;
+    saving = true;
+    error = null;
+    // Empty time clears a MANUAL anchor (a detected one may still apply).
+    const resetAnchor = timeInput === "" ? null : anchorFromTimeOfDay(timeInput, now());
+    const result = await save("hyper", { dailyAllowance: parsedAllowance, resetAnchor });
+    saving = false;
+    if (result.ok) {
+      editing = false;
+      onSaved(result.report);
+    } else {
+      error = result.error;
+    }
+  }
+</script>
+
+<div class="flex flex-col gap-1 text-[11px]">
+  <div class="flex items-center justify-between gap-2">
+    <span class="opacity-70">{daily.balanceLabel}</span>
+    {#if !editing}
+      <button
+        type="button"
+        class="btn btn-ghost btn-xs"
+        onclick={startEdit}
+        aria-label="Edit Hyper credit settings">Edit</button
+      >
+    {/if}
+  </div>
+  {#if !editing}
+    <span class="opacity-60">
+      Daily allowance {daily.allowance} · resets {daily.resetTime || "—"} ({daily.resetSourceLabel})
+    </span>
+  {:else}
+    <form
+      class="flex flex-col gap-1"
+      onsubmit={(e) => {
+        e.preventDefault();
+        void submit();
+      }}
+    >
+      <label class="flex items-center justify-between gap-2">
+        <span>Daily allowance</span>
+        <input
+          type="text"
+          inputmode="numeric"
+          class="input input-bordered input-xs w-20 font-mono"
+          class:input-error={parsedAllowance === null}
+          aria-label="Daily credit allowance"
+          bind:value={allowanceInput}
+          disabled={saving}
+        />
+      </label>
+      <label class="flex items-center justify-between gap-2">
+        <span>Reset time (local)</span>
+        <input
+          type="time"
+          class="input input-bordered input-xs w-24 font-mono"
+          class:input-error={!timeValid}
+          aria-label="Daily credit reset time"
+          bind:value={timeInput}
+          disabled={saving}
+        />
+      </label>
+      <span class="opacity-50">Leave the time empty to use the auto-detected refill time.</span>
+      {#if error}<span class="text-error">{error}</span>{/if}
+      <div class="flex justify-end gap-1">
+        <button
+          type="button"
+          class="btn btn-ghost btn-xs"
+          onclick={() => (editing = false)}
+          disabled={saving}>Cancel</button
+        >
+        <button
+          type="submit"
+          class="btn btn-primary btn-xs"
+          disabled={saving || parsedAllowance === null || !timeValid}
+          aria-label="Save Hyper credit settings"
+        >
+          {#if saving}<span class="loading loading-spinner loading-xs"></span>{/if}
+          Save
+        </button>
+      </div>
+    </form>
+  {/if}
+</div>
diff --git a/src/features/account-usage/ui/UsageBar.svelte b/src/features/account-usage/ui/UsageBar.svelte
new file mode 100644
index 0000000..f4298c1
--- /dev/null
+++ b/src/features/account-usage/ui/UsageBar.svelte
@@ -0,0 +1,49 @@
+<script lang="ts">
+  import type { UsageBarView } from "../logic/view-model";
+
+  let { bar }: { bar: UsageBarView } = $props();
+
+  const progressClass = $derived(
+    {
+      success: "progress-success",
+      warning: "progress-warning",
+      error: "progress-error",
+      neutral: "",
+    }[bar.tone],
+  );
+</script>
+
+<div class="flex flex-col gap-0.5" data-testid="usage-bar" data-limit-id={bar.id}>
+  <div class="flex items-baseline justify-between gap-2 text-xs">
+    <span class="truncate font-medium">{bar.label}</span>
+    <span class="shrink-0 font-mono tabular-nums">{bar.valueLabel}</span>
+  </div>
+  <div class="relative flex items-center">
+    <progress
+      class="progress h-2 w-full {progressClass}"
+      value={bar.percent}
+      max="100"
+      aria-label="{bar.label} usage"
+    ></progress>
+    {#if bar.pacePercent !== null}
+      <!-- Pace marker: where usage would be if spread evenly to the reset. -->
+      <span
+        class="pointer-events-none absolute top-1/2 size-2.5 -translate-x-1/2 -translate-y-1/2 rounded-full border-2 border-base-100 bg-base-content"
+        style="left: {bar.pacePercent}%"
+        data-testid="pace-marker"
+        title="On-track pace: {Math.round(bar.pacePercent)}%"
+        aria-hidden="true"
+      ></span>
+    {/if}
+  </div>
+  {#if bar.resetLabel || bar.paceLabel}
+    <div class="flex justify-between gap-2 text-[11px] opacity-60">
+      <span>{bar.resetLabel ?? ""}</span>
+      {#if bar.paceLabel}
+        <span class:text-warning={bar.aheadOfPace} class:opacity-100={bar.aheadOfPace}
+          >{bar.paceLabel}</span
+        >
+      {/if}
+    </div>
+  {/if}
+</div>