feat(aircoding): AirCoding V2 baseline — deterministic multi-agent architecture

Forked from OpenCode v1.17.4 with multi-agent system:
- 5 agents: aircoding, scheduler, worker, architect, reviewer
- Deterministic DAG scheduling engine (coordinator_tick)
- Tool whitelists as hard enforcement
- AirCoding validation plugin
- V1 requirements: C4 docs, ADR, AGENTS.md, debug-log.md
- Design documents in docs/

packages/ui/src/components/app-icon.stories.tsx

@@ -0,0 +1,69 @@
+// @ts-nocheck
+import { iconNames } from "./app-icons/types"
+import * as mod from "./app-icon"
+import { create } from "../storybook/scaffold"
+
+const docs = `### Overview
+Application icon renderer for known editor/terminal apps.
+
+Use in provider or app selection lists.
+
+### API
+- Required: \`id\` (app icon name).
+- Accepts standard img props except \`src\`.
+
+### Variants and states
+- Auto-switches themed icons when available.
+
+### Behavior
+- Watches color scheme changes to swap themed assets.
+
+### Accessibility
+- Provide \`alt\` text when the icon conveys meaning.
+
+### Theming/tokens
+- Uses \`data-component="app-icon"\`.
+
+`
+
+const story = create({ title: "UI/AppIcon", mod, args: { id: "vscode" } })
+export default {
+  title: "UI/AppIcon",
+  id: "components-app-icon",
+  component: story.meta.component,
+  tags: ["autodocs"],
+  parameters: {
+    docs: {
+      description: {
+        component: docs,
+      },
+    },
+  },
+  argTypes: {
+    id: {
+      control: "select",
+      options: iconNames,
+    },
+  },
+}
+
+export const Basic = story.Basic
+
+export const AllIcons = {
+  render: () => (
+    <div
+      style={{
+        display: "grid",
+        gap: "12px",
+        "grid-template-columns": "repeat(auto-fill, minmax(72px, 1fr))",
+      }}
+    >
+      {iconNames.map((id) => (
+        <div style={{ display: "grid", gap: "6px", "justify-items": "center" }}>
+          <mod.AppIcon id={id} alt={id} />
+          <div style={{ "font-size": "10px", color: "var(--text-weak)", "text-align": "center" }}>{id}</div>
+        </div>
+      ))}
+    </div>
+  ),
+}