feat(account-usage): sidebar Usage view with Claude/Codex quota bars + on-track pace markers

Consumes GET /usage (transport-contract 0.25.0). DaisyUI progress bars per quota
window with a dot at the elapsed fraction of the window (the 'on track' level),
ahead/under-pace labels, reset countdowns, stale/unavailable/not-configured states.

2 files changed, 18 insertions, 0 deletions

diff --git a/src/app/views/AccountUsagePane.svelte b/src/app/views/AccountUsagePane.svelte
new file mode 100644
index 0000000..4315d4c
--- /dev/null
+++ b/src/app/views/AccountUsagePane.svelte
@@ -0,0 +1,16 @@
+<script lang="ts">
+  /**
+   * The `account-usage` view — Claude + Codex subscription usage bars with
+   * on-track pace markers. GLOBAL (not workspace/conversation scoped), so it
+   * stays mounted across tab switches (no {#key}).
+   */
+  import { AccountUsageView, type LoadAccountUsage } from "../../features/account-usage";
+  import type { AppViewPorts } from "../view-ports";
+
+  let { ports }: { ports: AppViewPorts } = $props();
+  const store = $derived(ports.store);
+
+  const loadAccountUsage: LoadAccountUsage = (opts) => store.accountUsage(opts);
+</script>
+
+<AccountUsageView load={loadAccountUsage} />
diff --git a/src/app/views/ExtensionsPane.svelte b/src/app/views/ExtensionsPane.svelte
index 6afc2bf..d5baa39 100644
--- a/src/app/views/ExtensionsPane.svelte
+++ b/src/app/views/ExtensionsPane.svelte
@@ -6,6 +6,7 @@
    * surface is a SEPARATE, backend-owned list. Unkeyed (like today).
    */
   import Table from "../../components/Table.svelte";
+  import { manifest as accountUsageManifest } from "../../features/account-usage";
   import { manifest as cacheWarmingManifest } from "../../features/cache-warming";
   import { manifest as chatManifest } from "../../features/chat";
   import { manifest as concurrencyManifest } from "../../features/concurrency";
@@ -59,6 +60,7 @@
     systemPromptManifest,
     heartbeatManifest,
     concurrencyManifest,
+    accountUsageManifest,
     visionManifest,
     namedAgentsManifest,
     searchSettingsManifest,