fix: correct 'BridgeError' message handling and add tests

Update error message handling and add tests for new interaction primitives.

Co-authored-by: Jeremy Schulze <197647907+Delqhi@users.noreply.github.com>

Author: v0[bot]

test/contract/resolve-and-wait.test.mjs

@@ -0,0 +1,29 @@
+import { describe, it } from "node:test"
+import assert from "node:assert/strict"
+import { METHODS, getMethod, isIdempotent } from "../../extension/src/contract/v1/index.js"
+
+describe("contract v1: dom.resolve and dom.waitForSelector", () => {
+  it("both methods are registered", () => {
+    const names = METHODS.map((m) => m.name)
+    assert.ok(names.includes("dom.resolve"), "dom.resolve missing from catalogue")
+    assert.ok(names.includes("dom.waitForSelector"), "dom.waitForSelector missing from catalogue")
+  })
+
+  it("dom.resolve is read-only and retry-safe", () => {
+    const m = getMethod("dom.resolve")
+    assert.equal(m.mutates, false)
+    assert.equal(m.idempotent, true)
+    assert.notEqual(m.retryHint, "abort")
+  })
+
+  it("dom.waitForSelector is read-only and retry-safe", () => {
+    const m = getMethod("dom.waitForSelector")
+    assert.equal(m.mutates, false)
+    assert.equal(m.idempotent, true)
+  })
+
+  it("isIdempotent helper agrees with catalogue", () => {
+    assert.equal(isIdempotent("dom.resolve"), true)
+    assert.equal(isIdempotent("dom.waitForSelector"), true)
+  })
+})