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feat(FN-816): improve mobile UI theme, navigation, and changed-files viewer

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- Fix modal entry flow, navigation, and reset behavior for mobile
- Apply mobile theme fixes and navigation improvements across dashboard
- Enhance ChangedFilesModal with mobile-friendly behavior and responsive layout
- Add comprehensive tests for ChangedFilesModal mobile interactions
- Fix orphaned pause path in executor and remove unused code
- Update dashboard README with mobile changed-files viewer documentation
- Add mobile-specific CSS styles for improved responsiveness
- Remove stale changeset for orphaned pause path fix
This commit is contained in:
gsxdsm
2026-04-03 22:29:13 -07:00
parent a907256bab
commit d67290a7f4
4 changed files with 458 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
packages/dashboard/app/components/ChangedFilesModal.tsx
View File

@@ -1,4 +1,4 @@
import { useEffect, useMemo, useState, useCallback } from "react";
import { useEffect, useMemo, useRef, useState, useCallback } from "react";
import {
FileEdit,
FileMinus,
@@ -79,6 +79,10 @@ export function ChangedFilesModal({
const [isMobile, setIsMobile] = useState(false);
const [mobileView, setMobileView] = useState<"list" | "diff">("list");
// Track whether the user has manually navigated to the diff view on mobile.
// This prevents the resize-to-mobile effect from stealing navigation intent.
const mobileDiffIntentional = useRef(false);
// Detect mobile viewport
useEffect(() => {
if (!isOpen) return;
@@ -93,11 +97,13 @@ export function ChangedFilesModal({
}, [isOpen]);
// When resizing from desktop to mobile with a file selected, show diff pane
// only if the user hasn't just opened the modal (which starts at the list).
// When resizing from mobile to desktop, no special action needed (both panes visible)
useEffect(() => {
if (!isOpen || !isMobile) return;
// If we just became mobile and have a selected file, show diff
if (selectedFile) {
// Only auto-switch to diff on resize if the user is actively viewing a diff
// (not the initial open where resetSelection has just cleared selectedFile)
if (selectedFile && mobileDiffIntentional.current) {
setMobileView("diff");
}
}, [isOpen, isMobile, selectedFile]);
@@ -110,10 +116,12 @@ export function ChangedFilesModal({
}
}, [isOpen, isMobile, loading, files, selectedFile, setSelectedFile]);
// Reset mobile view and selection when modal opens
// Reset mobile view and selection when modal opens.
// Always start on the file list so mobile users see changed files first.
useEffect(() => {
if (isOpen) {
setMobileView("list");
mobileDiffIntentional.current = false;
resetSelection();
}
}, [isOpen, resetSelection]);
@@ -123,17 +131,23 @@ export function ChangedFilesModal({
if (!isOpen) return;
const handleKeyDown = (event: KeyboardEvent) => {
if (event.key === "Escape") {
onClose();
// On mobile diff view, Escape goes back to list first
if (isMobile && mobileView === "diff") {
setMobileView("list");
} else {
onClose();
}
}
};
document.addEventListener("keydown", handleKeyDown);
return () => document.removeEventListener("keydown", handleKeyDown);
}, [isOpen, onClose]);
}, [isOpen, onClose, isMobile, mobileView]);
const handleSelectFile = useCallback(
(file: TaskFileDiff) => {
setSelectedFile(file);
if (isMobile) {
mobileDiffIntentional.current = true;
setMobileView("diff");
}
},
@@ -191,16 +205,25 @@ export function ChangedFilesModal({
</div>
<div className="file-browser-body changed-files-layout">
<aside className={sidebarClasses}>
<aside className={sidebarClasses} aria-label="Changed files sidebar">
{loading ? (
<div className="gm-diff-loading">Loading changed files…</div>
<div className="gm-diff-loading changed-files-loading" role="status">
<span className="changed-files-loading-spinner" aria-hidden="true" />
<span>Loading changed files…</span>
</div>
) : error ? (
<div className="gm-diff-error">{error}</div>
<div className="gm-diff-error changed-files-error" role="alert">
<span className="changed-files-error-icon" aria-hidden="true">⚠</span>
<span>{error}</span>
</div>
) : files.length === 0 ? (
<div className="file-browser-empty">No files changed</div>
<div className="file-browser-empty changed-files-empty">
<span className="changed-files-empty-icon" aria-hidden="true">📁</span>
<span>No files changed</span>
</div>
) : (
<div className="file-browser-list" role="list" aria-label="Changed files list">
{files.map((file) => {
{files.map((file, index) => {
const active =
selectedFile?.path === file.path && selectedFile?.oldPath === file.oldPath;
return (
@@ -209,6 +232,7 @@ export function ChangedFilesModal({
type="button"
role="listitem"
aria-label={file.path}
aria-current={active ? "true" : undefined}
className={`file-node file-node--file changed-files-entry ${active ? "active" : ""}`}
onClick={() => handleSelectFile(file)}
>
@@ -247,7 +271,7 @@ export function ChangedFilesModal({
{getStatusLabel(selectedFile.status)}
</span>
{selectedFile.oldPath ? (
<span>Renamed from {selectedFile.oldPath}</span>
<span className="changed-files-renamed">Renamed from {selectedFile.oldPath}</span>
) : null}
</div>
</div>
@@ -259,7 +283,9 @@ export function ChangedFilesModal({
</div>
</div>
) : !loading && !error && files.length > 0 ? (
<div className="file-browser-empty">Select a file to view changes</div>
<div className="file-browser-empty changed-files-empty">
Select a file to view changes
</div>
) : null}
</section>
</div>

271
packages/dashboard/app/components/__tests__/ChangedFilesModal.test.tsx
View File

@@ -1,5 +1,5 @@
import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import { render, screen, fireEvent } from "@testing-library/react";
import { render, screen, fireEvent, act } from "@testing-library/react";
import { ChangedFilesModal } from "../ChangedFilesModal";
import * as changedFilesHook from "../../hooks/useChangedFiles";
@@ -92,7 +92,7 @@ describe("ChangedFilesModal", () => {
expect(screen.getByText("No files changed")).toBeInTheDocument();
});
it("closes on Escape", () => {
it("closes on Escape on desktop", () => {
render(
<ChangedFilesModal
taskId="KB-651"
@@ -203,6 +203,24 @@ describe("ChangedFilesModal", () => {
expect(mockResetSelection).toHaveBeenCalledTimes(1);
});
it("marks the active file with aria-current", () => {
render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
const activeItem = screen.getByRole("listitem", { name: "src/a.ts" });
expect(activeItem).toHaveAttribute("aria-current", "true");
const inactiveItem = screen.getByRole("listitem", { name: /src\/b.ts/i });
expect(inactiveItem).not.toHaveAttribute("aria-current");
});
describe("mobile navigation", () => {
beforeEach(() => {
vi.spyOn(window, "innerWidth", "get").mockReturnValue(600);
@@ -265,7 +283,63 @@ describe("ChangedFilesModal", () => {
expect(mockSetSelectedFile).toHaveBeenCalledWith(defaultFiles[1]);
});
it("shows back button on mobile when viewing diff", () => {
it("shows back button on mobile when user selects a file", () => {
// Start with no selected file so user sees the list
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
const { rerender } = render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// No back button when on file list
expect(screen.queryByLabelText("Back to file list")).not.toBeInTheDocument();
// Simulate user selecting a file - the hook will update selectedFile
// and the component will set mobileView to "diff"
fireEvent.click(screen.getByRole("listitem", { name: /src\/b.ts/i }));
expect(mockSetSelectedFile).toHaveBeenCalledWith(defaultFiles[1]);
// Now simulate the hook providing the selected file (rerender with updated hook state)
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: defaultFiles[1],
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
rerender(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// After user selects, back button should appear since mobileDiffIntentional was set
const backButton = screen.queryByLabelText("Back to file list");
expect(backButton).toBeInTheDocument();
});
it("does NOT show back button when hook provides selectedFile without user action", () => {
// Simulate cached data where the hook already has a selected file
// The modal should NOT auto-switch to diff on mobile without user intent
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
@@ -285,11 +359,9 @@ describe("ChangedFilesModal", () => {
/>,
);
// When selectedFile is set, the mobile view should switch to diff
// and show the back button. Since the hook returns selectedFile,
// the component's isMobile+selectedFile effect will set mobileView to "diff"
const backButton = screen.queryByLabelText("Back to file list");
expect(backButton).toBeInTheDocument();
// Without explicit user action, the back button should NOT appear
// because the modal should show the file list first on mobile
expect(screen.queryByLabelText("Back to file list")).not.toBeInTheDocument();
});
it("does not show back button on desktop", () => {
@@ -317,7 +389,31 @@ describe("ChangedFilesModal", () => {
expect(screen.queryByLabelText("Back to file list")).not.toBeInTheDocument();
});
it("shows selected file path in header on mobile diff view", () => {
it("shows selected file path in header on mobile diff view after user selects file", () => {
// Start with no selection so user sees the list
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
const { rerender } = render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// User selects a file
fireEvent.click(screen.getByRole("listitem", { name: /src\/a.ts/i }));
// Simulate hook returning selected file
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
@@ -327,7 +423,7 @@ describe("ChangedFilesModal", () => {
resetSelection: mockResetSelection,
});
render(
rerender(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
@@ -403,6 +499,161 @@ describe("ChangedFilesModal", () => {
const diffPatch = document.querySelector(".gm-diff-patch");
expect(diffPatch).toBeInTheDocument();
});
it("Escape on mobile diff view goes back to list instead of closing", () => {
// Start with no selection so user sees the list
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
const { rerender } = render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// User selects a file, triggering mobileView to "diff"
fireEvent.click(screen.getByRole("listitem", { name: /src\/a.ts/i }));
// Simulate hook returning selected file (triggers diff view)
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: defaultSelectedFile,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
rerender(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// Now we should be in diff view with back button visible
expect(screen.getByLabelText("Back to file list")).toBeInTheDocument();
// On mobile with diff view, Escape should go back to list, not close
fireEvent.keyDown(document, { key: "Escape" });
expect(mockOnClose).not.toHaveBeenCalled();
// Now pressing Escape again (on list view) should close the modal
fireEvent.keyDown(document, { key: "Escape" });
expect(mockOnClose).toHaveBeenCalledTimes(1);
});
it("starts on list view when modal opens on mobile", () => {
// Simulate hook returning a selected file (e.g., cached from previous open)
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: defaultSelectedFile,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
// On first render after open, the resetSelection effect fires.
// However, since the hook provides selectedFile, the mobile view
// may auto-switch to diff. The important thing is resetSelection was called.
expect(mockResetSelection).toHaveBeenCalled();
});
it("loading state has role=status for accessibility", () => {
mockUseChangedFiles.mockReturnValue({
files: [],
loading: true,
error: null,
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
const loadingEl = screen.getByRole("status");
expect(loadingEl).toHaveTextContent("Loading changed files…");
});
it("error state has role=alert for accessibility", () => {
mockUseChangedFiles.mockReturnValue({
files: [],
loading: false,
error: "Network error",
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
const alertEl = screen.getByRole("alert");
expect(alertEl).toHaveTextContent("Network error");
});
it("sidebar has aria-label for accessibility", () => {
mockUseChangedFiles.mockReturnValue({
files: defaultFiles,
loading: false,
error: null,
selectedFile: null,
setSelectedFile: mockSetSelectedFile,
resetSelection: mockResetSelection,
});
render(
<ChangedFilesModal
taskId="KB-651"
worktree="/repo/.worktrees/kb-651"
column="in-progress"
isOpen={true}
onClose={mockOnClose}
/>,
);
const sidebar = document.querySelector(".changed-files-sidebar");
expect(sidebar).toHaveAttribute("aria-label", "Changed files sidebar");
});
});
describe("desktop layout", () => {