diff --git a/cypress/e2e/filesToDiscover.cy.js b/cypress/e2e/filesToDiscover.cy.js
new file mode 100644
index 0000000..6dbeebd
--- /dev/null
+++ b/cypress/e2e/filesToDiscover.cy.js
@@ -0,0 +1,69 @@
+import { loginWithFixtures } from '../support/intercept';
+
+describe('Files to Discover Entry Flow', () => {
+  beforeEach(() => {
+    loginWithFixtures();
+    // Suppress Cytoscape rendering errors in headless mode
+    cy.on('uncaught:exception', () => false);
+    cy.visit('/files');
+    cy.wait('@getFiles');
+  });
+
+  describe('double-click table row to enter Discover', () => {
+    it('double-click log file navigates to Map page', () => {
+      // Target the Name column (has class .fileName) to avoid matching Dependency column
+      cy.contains('td.fileName', 'sample-process.xes').parent('tr').dblclick();
+      cy.url().should('include', '/discover/log/1/map');
+      cy.wait('@getDiscover');
+      cy.get('#cy').should('exist');
+    });
+
+    it('double-click filter file navigates to Map page', () => {
+      cy.contains('td.fileName', 'filtered-sample').parent('tr').dblclick();
+      cy.url().should('include', '/discover/filter/10/map');
+      cy.wait('@getFilterDiscover');
+      cy.get('#cy').should('exist');
+    });
+  });
+
+  describe('double-click grid card to enter Discover', () => {
+    beforeEach(() => {
+      // Switch to grid view
+      cy.get('svg').parent('li.cursor-pointer').last().click();
+    });
+
+    it('double-click log file grid card navigates to Map page', () => {
+      // Use last() to target the All Files grid section (not Recently Used)
+      cy.get('li[title="sample-process.xes"]').last().dblclick();
+      cy.url().should('include', '/discover/log/1/map');
+      cy.wait('@getDiscover');
+      cy.get('#cy').should('exist');
+    });
+  });
+
+  describe('DISCOVER tab filters files', () => {
+    it('clicking DISCOVER tab shows only Log, Filter, and Rule files', () => {
+      cy.get('.nav-item').contains('DISCOVER').click();
+      cy.contains('td.fileName', 'sample-process.xes').should('exist');
+      cy.contains('td.fileName', 'filtered-sample').should('exist');
+      cy.contains('td.fileName', 'conformance-check-1').should('exist');
+    });
+  });
+
+  describe('Navbar state after entering Discover', () => {
+    it('shows DISCOVER heading and tabs after entering from Files', () => {
+      cy.contains('td.fileName', 'sample-process.xes').parent('tr').dblclick();
+      cy.url().should('include', '/discover/');
+      cy.get('#nav_bar').contains('DISCOVER').should('be.visible');
+      cy.get('.nav-item').contains('MAP').should('exist');
+      cy.get('.nav-item').contains('CONFORMANCE').should('exist');
+      cy.get('.nav-item').contains('PERFORMANCE').should('exist');
+    });
+
+    it('shows back arrow pointing to /files', () => {
+      cy.contains('td.fileName', 'sample-process.xes').parent('tr').dblclick();
+      cy.url().should('include', '/discover/');
+      cy.get('#backPage').should('have.attr', 'href', '/files');
+    });
+  });
+});
diff --git a/cypress/support/intercept.js b/cypress/support/intercept.js
index 0c9346f..7a2e896 100644
--- a/cypress/support/intercept.js
+++ b/cypress/support/intercept.js
@@ -59,6 +59,12 @@ export function setupApiIntercepts() {
     body: { success: true },
   }).as('deleteUserRole');
 
+  // Filter detail (for fetchFunnel when entering filter from Files)
+  cy.intercept('GET', /\/api\/filters\/\d+$/, {
+    statusCode: 200,
+    body: { rules: [], log: { id: 1 }, name: 'filtered-sample' },
+  }).as('getFilterDetail');
+
   // Discover (map data)
   cy.intercept('GET', '/api/logs/*/discover', {
     fixture: 'api/discover.json',