fix(app): dedupe react for gridland tui

Author: skulidropek

bun.lock

@@ -61,6 +61,9 @@
     "node-pty",
     "unrs-resolver"
   ],
+  "overrides": {
+    "react": "19.2.7"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ProverCoderAI/docker-git.git"

package.json

@@ -0,0 +1,20 @@
+import * as fs from "node:fs"
+import { createRequire } from "node:module"
+import path from "node:path"
+import { fileURLToPath } from "node:url"
+
+import { describe, expect, it } from "@effect/vitest"
+
+const currentDir = path.dirname(fileURLToPath(import.meta.url))
+const appRequire = createRequire(import.meta.url)
+const appReactEntry = appRequire.resolve("react")
+const gridlandEntry = fs.realpathSync(
+  path.join(currentDir, "../../node_modules/@gridland/bun/dist/index.js")
+)
+const gridlandRequire = createRequire(gridlandEntry)
+
+describe("Gridland React singleton contract", () => {
+  it("resolves the app and Gridland renderer to the same React module", () => {
+    expect(gridlandRequire.resolve("react")).toBe(appReactEntry)
+  })
+})