fix: address review findings (pagination, case-insensitive bool, docs)

- ListReviews: full pagination (loops until partial page returned)
- envOrDefaultBool: case-insensitive, whitespace-trimmed
- action.yml: document accepted boolean values
- Tests: verify pagination across multiple pages

gitea/client.go

@@ -297,21 +297,32 @@ func (c *Client) GetAuthenticatedUser(ctx context.Context) (string, error) {
 }
 
 // ListReviews returns all reviews on a pull request.
+// Paginates through all pages to ensure no reviews are missed.
 func (c *Client) ListReviews(ctx context.Context, owner, repo string, number int) ([]Review, error) {
-	reqURL := fmt.Sprintf("%s/api/v1/repos/%s/%s/pulls/%d/reviews",
-		c.baseURL,
-		url.PathEscape(owner),
-		url.PathEscape(repo),
-		number)
-	body, err := c.doGet(ctx, reqURL)
-	if err != nil {
-		return nil, fmt.Errorf("list reviews: %w", err)
+	const pageSize = 50
+	var all []Review
+	for page := 1; ; page++ {
+		reqURL := fmt.Sprintf("%s/api/v1/repos/%s/%s/pulls/%d/reviews?limit=%d&page=%d",
+			c.baseURL,
+			url.PathEscape(owner),
+			url.PathEscape(repo),
+			number,
+			pageSize,
+			page)
+		body, err := c.doGet(ctx, reqURL)
+		if err != nil {
+			return nil, fmt.Errorf("list reviews (page %d): %w", page, err)
+		}
+		var batch []Review
+		if err := json.Unmarshal(body, &batch); err != nil {
+			return nil, fmt.Errorf("parse reviews (page %d): %w", page, err)
+		}
+		all = append(all, batch...)
+		if len(batch) < pageSize {
+			break
+		}
 	}
-	var reviews []Review
-	if err := json.Unmarshal(body, &reviews); err != nil {
-		return nil, fmt.Errorf("parse reviews: %w", err)
-	}
-	return reviews, nil
+	return all, nil
 }
 
 // DeleteReview deletes a review by ID. The token must belong to the review author.