Complete Danger migration with all required gems and checks.

- Add danger-changelog, danger-pr-comment, and danger-toc gems to Gemfile
- Update Dangerfile to use danger-pr-comment and add changelog.check! and toc.check!
- Update danger.yml workflow to use numbata/danger-pr-comment
- Remove Gemfile.danger in favor of main Gemfile

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: dblock

.github/workflows/danger.yml

@@ -1,22 +1,13 @@
----
-name: danger
-on: [pull_request]
+name: Danger
+
+on:
+  pull_request:
+    types: [opened, reopened, edited, synchronize]
+
 jobs:
   danger:
-    runs-on: ubuntu-latest
-    env:
-      BUNDLE_GEMFILE: Gemfile.danger
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        fetch-depth: 0
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: 2.7
-        bundler-cache: true
-    - name: Run Danger
-      run: |
-        # the personal token is public, this is ok, base64 encode to avoid tripping Github
-        TOKEN=$(echo -n Z2hwX0xNQ3VmanBFeTBvYkZVTWh6NVNqVFFBOEUxU25abzBqRUVuaAo= | base64 --decode)
-        DANGER_GITHUB_API_TOKEN=$TOKEN bundle exec danger --verbose
+    uses: numbata/danger-pr-comment/.github/workflows/danger-run.yml@v0.1.0
+    secrets: inherit
+    with:
+      ruby-version: '3.4'
+      bundler-cache: true

Dangerfile

@@ -1,3 +1,6 @@
 # frozen_string_literal: true
 
-danger.import_dangerfile(gem: 'slack-ruby-danger')
+danger.import_dangerfile(gem: 'danger-pr-comment')
+
+changelog.check!
+toc.check!

Gemfile

@@ -24,6 +24,9 @@ gemspec
 
 group :development, :test do
   gem 'bundler'
+  gem 'danger-changelog', require: false
+  gem 'danger-pr-comment', require: false
+  gem 'danger-toc', require: false
   gem 'database_cleaner'
   gem 'fabrication'
   gem 'faker'