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
- System prompt injection for routing
- V1 requirements: C4 docs, ADR, AGENTS.md, debug-log.md
- Design documents in docs/

packages/app/vite.js

@@ -0,0 +1,48 @@
+import { readFileSync } from "node:fs"
+import solidPlugin from "vite-plugin-solid"
+import tailwindcss from "@tailwindcss/vite"
+import { fileURLToPath } from "url"
+
+const theme = fileURLToPath(new URL("./public/oc-theme-preload.js", import.meta.url))
+
+const channel = (() => {
+  const raw = process.env.OPENCODE_CHANNEL
+  if (raw === "dev" || raw === "beta" || raw === "prod") return raw
+  if (process.env.OPENCODE_CHANNEL === "latest") return "prod"
+  return "dev"
+})()
+
+/**
+ * @type {import("vite").PluginOption}
+ */
+export default [
+  {
+    name: "opencode-desktop:config",
+    config() {
+      return {
+        resolve: {
+          alias: {
+            "@": fileURLToPath(new URL("./src", import.meta.url)),
+          },
+        },
+        define: {
+          "import.meta.env.VITE_OPENCODE_CHANNEL": JSON.stringify(channel),
+        },
+        worker: {
+          format: "es",
+        },
+      }
+    },
+  },
+  {
+    name: "opencode-desktop:theme-preload",
+    transformIndexHtml(html) {
+      return html.replace(
+        '<script id="oc-theme-preload-script" src="/oc-theme-preload.js"></script>',
+        `<script id="oc-theme-preload-script">${readFileSync(theme, "utf8")}</script>`,
+      )
+    },
+  },
+  tailwindcss(),
+  solidPlugin(),
+]