feat: add economy/maximum presets, tool-lab and subagent-cursor extensions

- new economy and maximum agent presets with three-role pipeline skill
- new packages/extensions/tool-lab (home-lab ComfyUI/Docling/Whishper tools)
- new packages/subagent/subagent-cursor provider
- openrouter balance UI with on-demand refresh
- session projection context-seed boundary fold
- regenerate docs catalogs; keep local searxng benchmark scripts

packages/client/ui-openrouter-usage/tests/browser-plugin.client.spec.tsx

@@ -37,8 +37,10 @@ async function bench() {
   new RemoteService(ctx)
   const snapshot = vi.fn<() => Promise<RemoteResult<OpenRouterBalance>>>()
     .mockResolvedValue({ ok: true, value: balance() })
-  ctx.provide('remote.openRouterUsage', { snapshot })
-  return { ctx, slots: ctx.get('slots') as SlotRegistry, locale, snapshot }
+  const refresh = vi.fn<() => Promise<RemoteResult<OpenRouterBalance>>>()
+    .mockResolvedValue({ ok: true, value: balance({ balanceUsd: 9 }) })
+  ctx.provide('remote.openRouterUsage', { snapshot, refresh })
+  return { ctx, slots: ctx.get('slots') as SlotRegistry, locale, snapshot, refresh }
 }
 
 function declare(slots: SlotRegistry): () => void {
@@ -84,11 +86,14 @@ describe('ui-openrouter-usage browser plugin', () => {
     expect(badge.options).toMatchObject({ id: 'openrouter-balance', order: 10 })
     expect(badge.locale).toBe(NS)
 
-    // Registration reads nothing live; the snapshot rolls at call time.
+    // Registration reads nothing live; both reads roll at call time.
     expect(b.snapshot).not.toHaveBeenCalled()
+    expect(b.refresh).not.toHaveBeenCalled()
     const injected = (badge.inject as unknown as () => BalanceBadgeActions)()
     await expect(injected.snapshot()).resolves.toEqual(balance())
     expect(b.snapshot).toHaveBeenCalledOnce()
+    await expect(injected.refresh()).resolves.toEqual(balance({ balanceUsd: 9 }))
+    expect(b.refresh).toHaveBeenCalledOnce()
     await b.ctx.fiber.dispose()
   })
 
@@ -102,6 +107,16 @@ describe('ui-openrouter-usage browser plugin', () => {
     await b.ctx.fiber.dispose()
   })
 
+  it('forwards a Remote failure out of the injected refresh verbatim', async () => {
+    const b = await bench()
+    declare(b.slots)
+    await b.ctx.plugin({ inject: [...inject], apply }).await()
+    b.refresh.mockResolvedValueOnce({ ok: false, error: { code: 'REMOTE_ERROR', message: 'nope', details: {} } })
+    const injected = (b.slots.entries('sidebar.footer.action')[0]!.inject as unknown as () => BalanceBadgeActions)()
+    await expect(injected.refresh()).rejects.toThrow('openRouterUsage.refresh failed: REMOTE_ERROR: nope')
+    await b.ctx.fiber.dispose()
+  })
+
   it('follows locale and recovers across late declaration and declarer reload', async () => {
     const b = await bench()
     const fiber = b.ctx.plugin({ inject: [...inject], apply })