feat: add project settings page navigation

- Remove inline edit modal from projects listing page
- Add Settings link to project cards navigating to /projects/:id/settings
- Reposition Open Workspace button to rightmost action for easier access
- Update tests for new UI flow
- Update documentation to reflect new editing workflow
- Sync specs: frontend-foundation and project-management

Quality gates: npm run lint passed

openspec/specs/frontend-foundation/spec.md

@@ -111,6 +111,24 @@ The system SHALL provide a dashboard overview.
   - Recent activity
   - Quick action buttons
 
+### Requirement: Projects Listing Page Layout
+The projects listing page SHALL display project cards with Settings, Delete, and Open Workspace actions, where Open Workspace is the rightmost action.
+
+#### Scenario: Project card action layout
+- GIVEN the projects listing page
+- WHEN project cards are rendered
+- THEN each card shows actions in order: Settings link, Delete button, Open Workspace button (rightmost)
+
+#### Scenario: Navigate to project settings
+- GIVEN the projects listing page
+- WHEN a user clicks the Settings link
+- THEN they navigate to `/projects/:id/settings`
+
+#### Scenario: No inline edit modal
+- GIVEN the projects listing page
+- WHEN a user views a project card
+- THEN no inline Edit button or modal dialog is available
+
 ## Dependencies
 
 - React 18+