refactor: architecture cleanup (#876)

* test: lock feed pipeline behavior

* feat!: add namespaced feed pipeline primitives

* feat!: route feeds through shared synchronous service

* refactor!: remove legacy feed-serving path

* refactor!: finalize architecture cleanup

* refactor!: remove dead feed helper

* refactor!: normalize feed responses and stabilize openapi verification

* style: relax rubocop

* chore: update bundler deps

* fix: harden feed loading and negotiated openapi docs

* chore: refresh generated api types

Author: gildesmarais

.rubocop.yml

@@ -12,6 +12,9 @@ AllCops:
     - '**/*.yaml'
     - '**/.tool-versions'
 
+Layout/LineLength:
+  Max: 120
+
 Metrics/BlockLength:
   Exclude:
     - Rakefile
@@ -33,3 +36,12 @@ RSpec/SpecFilePathFormat:
   Exclude:
     - 'spec/html2rss/web/app/*_spec.rb'
     - 'spec/html2rss/web/app/health_check/auth_spec.rb'
+
+RSpec/DescribeClass:
+  Enabled: false
+
+RSpec/ExampleLength:
+  Max: 12
+
+RSpec/MultipleExpectations:
+  Max: 2