## Code Review ### Spec Pattern Search (REQUIRED) - Searched for existing spec patterns: `find spec -name "*spec.rb" | sort` - Found existing spec files: 49 spec files including features, requests, models, etc. - Similar patterns found: `spec/features/approvals_spec.rb`, `spec/features/dashboard_spec.rb` for similar UI/auth flows ### Test Results - Test suite run: `bundle exec rspec` - Results: **728 examples, 0 failures, 7 pending** ✅ ### Spec Coverage Check - Files changed: - `app/controllers/application_controller.rb` - auth helpers - `app/controllers/dashboard_controller.rb` - opt-in to require_login - `app/controllers/sessions_controller.rb` - NEW - `app/views/layouts/application.html.haml` - UI changes - `app/views/sessions/new.html.haml` - NEW - `config/routes.rb` - login/logout routes - Required specs found: - `spec/features/sessions_spec.rb` - NEW (221 lines) ✅ - `spec/requests/sessions_spec.rb` - NEW (129 lines) ✅ - `spec/features/dashboard_spec.rb` - UPDATED for auth ✅ - Missing specs: **NONE** ### Findings - **Code quality**: Clean implementation, good separation of concerns. Uses existing `Agent.authenticate_by_api_key` pattern (consistent with API v1 auth). - **Security**: - ✅ Session fixation protection (`reset_session` after login) - ✅ Rate limiting (5 attempts/hour) - ✅ Password input type for API key field - ✅ No SQL injection (uses ActiveRecord parameterized queries) - ✅ XSS protection (HAML auto-escapes) - ✅ CSRF protection (Rails form_with adds tokens) - **Implementation**: Matches all ticket requirements exactly. Uses Rails built-in session management as specified. - **Breaking changes**: None - authentication is opt-in via `REQUIRE_AUTH` env var (defaults to false for backward compatibility) ### Minor Notes - Bare HTTP status check warnings in sessions_spec.rb (identified in project memory as code style preference, not a blocker) - Session-based rate limiting can be bypassed by clearing cookies (acceptable for simple auth) ### Decision **PASS** - All tests pass, comprehensive spec coverage, security best practices followed, implementation matches ticket requirements.