ENG-2595: Add read-only DSR policies list page

[gilluminate]

Ticket ENG-2595

Description Of Changes

Add a new read-only policies list page under Privacy Requests at /privacy-requests/policies. The page displays all DSR policies with their name, key, execution timeframe, and action type tags from policy rules. Includes client-side search/filter by name or key, empty states, and loading skeletons.

Also adds MSW mock data (14 policies) for local development

Code Changes

• New policies list page component with search, empty state, and loading skeleton
• Add "Policies" nav item under Privacy Requests with POLICY_READ scope
• Add POLICIES_ROUTE constant
• Mock policy data for development
• Cypress tests
• New empty state fixture
• Add stubDSRPolicies helper

Steps to Confirm

1. Navigate to Privacy Requests → Policies in the admin UI
2. Verify the page displays all policies with name, key, execution timeframe, and action type tags
3. Type in the search bar and confirm policies filter by name
4. Search by policy key and confirm filtering works
5. Search for a nonexistent term and verify the "No policies match your search" empty state

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
• UX feedback:
  • All UX related changes have been reviewed by a designer
• Followup issues:
  • Followup issues created - detail page with conditions tab
• Database migrations:
  • No migrations
• Documentation:
  • No documentation updates required

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Project	Deployment	Actions	Updated (UTC)
fides-plus-nightly	Ready	Preview, Comment	Feb 18, 2026 1:59am

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
fides-privacy-center	Ignored		Feb 18, 2026 1:59am

[greptile-apps]

Greptile Summary

This PR adds a read-only DSR policies list page at /privacy-requests/policies, with client-side search/filter, empty states, loading skeletons, MSW mock data, and Cypress test coverage. The implementation is clean and fits naturally into the existing RTK Query + Next.js page pattern used throughout the admin UI.

Key points:

• The POLICIES_ROUTE (/privacy-requests/policies) is correctly positioned before PRIVACY_REQUESTS_ROUTE in the nav config, which is necessary because the findActiveNav function uses startsWith matching and PRIVACY_REQUESTS_ROUTE has no exact flag. However, no findActiveNav test case exists for this new route, leaving the ordering dependency untested and susceptible to a silent regression if routes are ever reordered.
• getActionTypes is a pure helper defined inside the component, causing unnecessary recreation on each render — it should be moved outside.
• A div wrapper at line 50 of index.tsx should be replaced with the Flex component already in scope, per project convention.
• The policyHandlers are correctly wired into the top-level MSW handlers array (a previously flagged gap that has been addressed).

Confidence Score: 4/5

• Safe to merge — the changes are additive and read-only with no data mutation risk.
• All changes are additive (new page, new route, new mocks, new tests). The main risk is the untested findActiveNav ordering dependency between POLICIES_ROUTE and PRIVACY_REQUESTS_ROUTE, which could silently break nav highlighting if routes are reordered in the future. Remaining issues are minor style/convention items.
• clients/admin-ui/src/features/common/nav/nav-config.test.ts — missing findActiveNav test case for the new route; clients/admin-ui/src/pages/privacy-requests/policies/index.tsx — helper function placement and div usage.

Important Files Changed

Filename	Overview
clients/admin-ui/src/pages/privacy-requests/policies/index.tsx	New policies list page with search, empty state, and loading skeleton. Minor issues: getActionTypes helper defined inside component (recreated on every render), div wrapper at line 50 instead of Flex per project convention. No pagination support for large policy lists. Previously flagged items about div and helper placement remain.
clients/admin-ui/src/features/common/nav/nav-config.tsx	Adds "Policies" nav entry under Privacy requests with POLICY_READ scope. The POLICIES_ROUTE (/privacy-requests/policies) is correctly placed before PRIVACY_REQUESTS_ROUTE (/privacy-requests), which is important because findActiveNav uses startsWith matching and PRIVACY_REQUESTS_ROUTE lacks an exact flag. Ordering is currently correct but fragile with no guard against future reordering.
clients/admin-ui/src/features/common/nav/nav-config.test.ts	Correctly adds Policies to the Privacy requests group assertion. However, no findActiveNav test case is added for the POLICIES_ROUTE path, leaving the fragile startsWith-based routing behavior untested for this specific route.
clients/admin-ui/src/mocks/handlers.ts	Correctly registers policyHandlers in the main MSW handlers array. This was a previously flagged issue that has been addressed in this PR.
clients/admin-ui/src/mocks/policy/handlers.ts	MSW handler for GET /api/v1/dsr/policy with pagination support. Clean implementation using a factory function pattern consistent with other mock handlers in the project.
clients/admin-ui/src/mocks/policy/data.ts	14 realistic mock policies covering access, erasure, and consent action types. Uses as RuleResponse type assertions to partially satisfy the RuleResponse interface. Clean and representative mock data.
clients/admin-ui/cypress/e2e/policies/policies-list.cy.ts	Good Cypress test coverage for the policies list page including display, search/filter, and empty state scenarios. Uses closest("li") for scoping tag assertions, which relies on DOM structure but avoids internal Ant Design CSS classes (previously flagged .ant-list-item pattern has been addressed with this approach).
clients/admin-ui/cypress/support/stubs.ts	Adds stubDSRPolicies helper with isEmpty option, using correct wildcard pattern for the intercept URL. Consistent with existing stub patterns in the file.

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