Give a connector node an icon that is not a code icon

A device read over a proprietary protocol was showing the fallback used
for a function node. A connector's type cannot be in the built-in icon
map — that is the point of it being a connector — so they share a plug.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011LF61rxW1FG5YCD2J9YqjY

frontend/scripts/verify-live.mjs

@@ -0,0 +1,41 @@
+/** Screenshot the dashboard and the flow canvas as a user will find them. */
+import { mkdir } from "node:fs/promises"
+import { chromium } from "@playwright/test"
+
+const APP_URL = process.env.APP_URL || "http://app.localhost"
+const OUT = process.env.SCREENSHOT_DIR || "screenshots"
+const browser = await chromium.launch()
+
+for (const theme of ["light", "dark"]) {
+  const dir = `${OUT}/${theme}`
+  await mkdir(dir, { recursive: true })
+  const context = await browser.newContext({
+    viewport: { width: 1440, height: 900 },
+    colorScheme: theme,
+  })
+  await context.addInitScript((t) => {
+    localStorage.setItem("fluksio-ui-theme", t)
+  }, theme)
+  const page = await context.newPage()
+
+  await page.goto(`${APP_URL}/login`, { waitUntil: "networkidle" })
+  await page.getByTestId("email-input").fill(process.env.FIRST_SUPERUSER)
+  await page
+    .getByTestId("password-input")
+    .fill(process.env.FIRST_SUPERUSER_PASSWORD)
+  await page.getByRole("button", { name: /log in/i }).click()
+  await page.waitForURL(`${APP_URL}/`, { timeout: 15000 })
+
+  await page.goto(`${APP_URL}/dashboards/aircon`, { waitUntil: "networkidle" })
+  await page.waitForTimeout(2500)
+  await page.screenshot({ path: `${dir}/live-dashboard.png` })
+
+  await page.goto(`${APP_URL}/flows/aircon`, { waitUntil: "networkidle" })
+  await page.keyboard.press("Escape")
+  await page.waitForTimeout(2500)
+  await page.screenshot({ path: `${dir}/live-flow.png` })
+
+  console.log(`  ${theme}: done`)
+  await context.close()
+}
+await browser.close()