fix(canvas): address review board feedback

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: dc011747-d114-43af-93e9-7f0036f9b4b7

.github/extensions/external-plugin-review-board/extension.mjs

@@ -70,7 +70,7 @@ async function getIssue(number, { force = false } = {}) {
 
 async function startReview({ numbers, instanceId, send }) {
     const items = store.pendingReview(numbers);
-    if (!items.length) return { queued: [], message: "Nothing to review — all items already have an AI review." };
+    if (!items.length) return { queued: [], message: "Nothing to review — no eligible unreviewed items remain." };
     const queued = items.map((item) => item.number);
     const snapshots = await store.markQueued(queued);
     const prompt = buildReviewPrompt({

.github/extensions/external-plugin-review-board/lib/state.mjs

@@ -136,7 +136,8 @@ export class BoardStore {
     }
 
     pendingReview(numbers) {
-        const all = Object.values(this.state.items).filter((item) => !item.decision && item.reviewStatus !== "queued");
+        const all = Object.values(this.state.items).filter((item) =>
+            !item.decision && !item.pendingDecision && item.reviewStatus !== "queued");
         if (numbers?.length) {
             const wanted = new Set(numbers.map(Number));
             return all.filter((item) => wanted.has(item.number));

.github/extensions/external-plugin-review-board/public/app.js

@@ -561,6 +561,11 @@ function resetConfirm() {
     ui.approve.disabled = false;
     ui.reject.disabled = false;
     updatePreview();
+    const item = findItem(selected);
+    if (bulkBusy || item?.pendingDecision) {
+        ui.approve.disabled = true;
+        ui.reject.disabled = true;
+    }
 }
 
 async function decide(kind) {