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Document messaging agents and the usage page1import {
2 ChevronDown,
3 ChevronRight,
4 Columns2,
5 FileDiff as FileIcon,
6 FileMinus,
7 FilePlus,
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)8 Files,
Document messaging agents and the usage page9 Folder,
10 MessageSquarePlus,
11 Rows3,
12 Search,
13} from "lucide-react";
14import { Fragment, useCallback, useEffect, useMemo, useRef, useState } from "react";
15import { Form, Link } from "react-router";
16
17import type { Comment, Comparison, DiffLine } from "@g1t/contracts";
18
19import type {
20 HighlightedComparison,
21 HighlightedFile,
22 HighlightedLine,
23} from "../lib/diff";
24import { Markdown } from "./markdown";
Merge branch 'worktree-agent-a985c01f43538af01'25import { Avatar, Button, EmptyState, SubmitButton, Textarea, TimeAgo } from "./ui";
Workspace names and icons, and a component kit for every control26import { Checkbox } from "./ui/checkbox";
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)27import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle } from "./ui/sheet";
Document messaging agents and the usage page28
29const ROW_STYLES: Record<DiffLine["kind"], string> = {
30 context: "",
Merge branch 'worktree-agent-ad7c6d88d93adc817'31 add: "bg-success/[0.09]",
Document messaging agents and the usage page32 delete: "bg-danger/[0.09]",
33};
34
35const GUTTER_STYLES: Record<DiffLine["kind"], string> = {
36 context: "text-faint",
Merge branch 'worktree-agent-ad7c6d88d93adc817'37 add: "bg-success/[0.14] text-success/70",
Document messaging agents and the usage page38 delete: "bg-danger/[0.14] text-danger/70",
39};
40
41const MARKERS: Record<DiffLine["kind"], string> = {
42 context: " ",
43 add: "+",
44 delete: "−",
45};
46
47/** Comments on lines of the change, and whether the viewer may add one. */
48export type LineReview = { comments: Comment[]; canComment: boolean };
49
50type Layout = "unified" | "split";
51
52/** Reads a per-viewer preference; storage can be missing or refuse. */
53function stored(key: string): string | null {
54 try {
55 return window.localStorage.getItem(key);
56 } catch {
57 return null;
58 }
59}
60
61function store(key: string, value: string | null) {
62 try {
63 if (value == null) window.localStorage.removeItem(key);
64 else window.localStorage.setItem(key, value);
65 } catch {
66 // A private window: the preference lasts until the page is left.
67 }
68}
69
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)70/** Whether the screen is phone-sized: a change is shown unified there, never split. */
71function useNarrow(): boolean {
72 const [narrow, setNarrow] = useState(false);
73 useEffect(() => {
74 const query = window.matchMedia("(max-width: 639px)");
75 const update = () => setNarrow(query.matches);
76 update();
77 query.addEventListener("change", update);
78 return () => query.removeEventListener("change", update);
79 }, []);
80 return narrow;
81}
82
83/** `+12 −3` with a five-block bar (the bar from `sm` up). */
Document messaging agents and the usage page84export function Stat({ additions, deletions }: { additions: number; deletions: number }) {
85 const total = additions + deletions;
86 const green = total === 0 ? 0 : Math.round((additions / total) * 5);
87 return (
88 <span className="flex shrink-0 items-center gap-2 font-mono text-xs">
Merge branch 'worktree-agent-ad7c6d88d93adc817'89 <span className="text-success">+{additions}</span>
Document messaging agents and the usage page90 <span className="text-danger">−{deletions}</span>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)91 <span className="hidden gap-px sm:flex" aria-hidden="true">
Document messaging agents and the usage page92 {Array.from({ length: 5 }, (_, i) => (
93 <span
94 key={i}
95 className={`size-2 rounded-xs ${
Merge branch 'worktree-agent-ad7c6d88d93adc817'96 total === 0 ? "bg-line" : i < green ? "bg-success" : "bg-danger"
Document messaging agents and the usage page97 }`}
98 />
99 ))}
100 </span>
101 </span>
102 );
103}
104
105function fileIcon(status: HighlightedFile["status"]) {
106 return status === "added" ? FilePlus : status === "deleted" ? FileMinus : FileIcon;
107}
108
109function fileTone(status: HighlightedFile["status"]) {
Merge branch 'worktree-agent-ad7c6d88d93adc817'110 return status === "added" ? "text-success" : status === "deleted" ? "text-danger" : "text-faint";
Document messaging agents and the usage page111}
112
113/** One comment made on a line, shown under that line. */
114function LineComment({ comment }: { comment: Comment }) {
115 return (
116 <div className="rounded-lg border border-line bg-bg font-sans">
117 <p className="flex items-center gap-2 border-b border-line px-3 py-1.5 text-xs text-muted">
118 <Avatar name={comment.author.username} size={16} />
119 <span className="font-medium text-fg">{comment.author.username}</span>
120 <TimeAgo at={comment.createdAt} />
121 </p>
122 <div className="px-3 py-2 text-sm">
123 <Markdown source={comment.body} />
124 </div>
125 </div>
126 );
127}
128
129/** A line's text, highlighted when the server could. */
130function Code({ line }: { line: HighlightedLine | null }) {
131 if (!line) return null;
132 if (line.html != null) {
133 return <span dangerouslySetInnerHTML={{ __html: line.html || " " }} />;
134 }
135 return <>{line.text || " "}</>;
136}
137
138/** The comments on a line and, when open, the box to add one. */
139function Thread({
140 path,
141 line,
142 comments,
143 open,
144 onClose,
145}: {
146 path: string;
147 line: number;
148 comments: Comment[];
149 open: boolean;
150 onClose: () => void;
151}) {
Merge branch 'worktree-agent-a985c01f43538af01'152 // The box stays, saying it is posting, until the new comment shows above it.
153 const count = useRef(comments.length);
154 useEffect(() => {
155 if (comments.length > count.current) onClose();
156 count.current = comments.length;
157 // eslint-disable-next-line react-hooks/exhaustive-deps -- only a new comment closes it
158 }, [comments.length]);
Document messaging agents and the usage page159 return (
160 <div className="max-w-2xl space-y-2">
161 {comments.map((comment) => (
162 <LineComment key={comment.id} comment={comment} />
163 ))}
164 {open && (
Merge branch 'worktree-agent-a985c01f43538af01'165 <Form method="post" className="space-y-2 font-sans">
Document messaging agents and the usage page166 <input type="hidden" name="action" value="comment" />
167 <input type="hidden" name="path" value={path} />
168 <input type="hidden" name="line" value={line} />
169 <Textarea name="body" rows={3} required autoFocus placeholder={`Comment on line ${line}`} />
170 <div className="flex gap-2">
Merge branch 'worktree-agent-a985c01f43538af01'171 <SubmitButton match={{ action: "comment", path, line: String(line) }} pending="Commenting…">
172 Comment
173 </SubmitButton>
Document messaging agents and the usage page174 <Button variant="quiet" type="button" onClick={onClose}>
175 Cancel
176 </Button>
177 </div>
178 </Form>
179 )}
180 </div>
181 );
182}
183
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)184function CommentButton({ line, onClick }: { line: number; onClick: (event: React.MouseEvent) => void }) {
Document messaging agents and the usage page185 return (
186 <button
187 type="button"
188 aria-label={`Comment on line ${line}`}
189 onClick={onClick}
Phones reach every page: each mode's menu from the top bar or by tapping the tab you're on, Docs first in the avatar sheet, a project's pages as a swipeable strip; dialogs as bottom sheets above the keyboard, safe areas, menus kept on screen, 40px targets, touch-visible controls, save bars above the tab bar190 className="absolute top-0 -right-2.5 z-10 hidden size-5 items-center justify-center rounded bg-accent text-bg group-hover:flex focus-visible:flex pointer-coarse:-right-1 pointer-coarse:flex pointer-coarse:size-7"
Document messaging agents and the usage page191 >
192 <MessageSquarePlus size={12} />
193 </button>
194 );
195}
196
197type FileProps = {
198 file: HighlightedFile;
199 comments: Comment[];
200 canComment: boolean;
201};
202
203function UnifiedRows({ file, comments, canComment }: FileProps) {
204 const [writing, setWriting] = useState<number | null>(null);
205 return (
206 <table className="w-full border-collapse font-mono text-xs leading-5">
207 <tbody>
208 {file.hunks.map((hunk, h) => (
209 <Fragment key={h}>
210 {h > 0 && <HunkGap colSpan={4} />}
211 {hunk.lines.map((line, index) => {
212 const here = comments.filter((c) => line.new != null && c.line === line.new);
213 const open = line.new != null && writing === line.new;
214 return (
215 <Fragment key={index}>
216 <tr className={`group ${ROW_STYLES[line.kind]}`}>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)217 <td className={`w-9 px-1 text-right select-none sm:w-12 sm:px-2 ${GUTTER_STYLES[line.kind]}`}>
Document messaging agents and the usage page218 {line.old}
219 </td>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)220 <td
221 // A tap on the number comments on the line: a touch screen has no hover for the button.
222 onClick={canComment && line.new != null ? () => setWriting(open ? null : line.new) : undefined}
223 className={`relative w-9 px-1 text-right select-none sm:w-12 sm:px-2 ${canComment && line.new != null ? "cursor-pointer" : ""} ${GUTTER_STYLES[line.kind]}`}
224 >
Document messaging agents and the usage page225 {line.new}
226 {canComment && line.new != null && (
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)227 <CommentButton
228 line={line.new}
229 onClick={(event) => {
230 event.stopPropagation();
231 setWriting(open ? null : line.new);
232 }}
233 />
Document messaging agents and the usage page234 )}
235 </td>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)236 <td className={`w-4 text-center select-none sm:w-5 ${fileToneFor(line.kind)}`}>
Document messaging agents and the usage page237 {MARKERS[line.kind]}
238 </td>
239 <td className="pr-4 whitespace-pre">
240 <Code line={line} />
241 </td>
242 </tr>
243 {(here.length > 0 || open) && line.new != null && (
244 <tr>
245 <td colSpan={4} className="border-y border-line bg-surface p-3">
246 <Thread
247 path={file.path}
248 line={line.new}
249 comments={here}
250 open={open}
251 onClose={() => setWriting(null)}
252 />
253 </td>
254 </tr>
255 )}
256 </Fragment>
257 );
258 })}
259 </Fragment>
260 ))}
261 </tbody>
262 </table>
263 );
264}
265
266function fileToneFor(kind: DiffLine["kind"]) {
Merge branch 'worktree-agent-ad7c6d88d93adc817'267 return kind === "add" ? "text-success" : kind === "delete" ? "text-danger" : "text-faint";
Document messaging agents and the usage page268}
269
270/** Lines side by side: a run of deletions beside the additions that replaced it. */
271function pairs(lines: HighlightedLine[]): [HighlightedLine | null, HighlightedLine | null][] {
272 const rows: [HighlightedLine | null, HighlightedLine | null][] = [];
273 let index = 0;
274 while (index < lines.length) {
275 const line = lines[index]!;
276 if (line.kind === "context") {
277 rows.push([line, line]);
278 index++;
279 continue;
280 }
281 const removed: HighlightedLine[] = [];
282 const added: HighlightedLine[] = [];
283 while (index < lines.length && lines[index]!.kind === "delete") removed.push(lines[index++]!);
284 while (index < lines.length && lines[index]!.kind === "add") added.push(lines[index++]!);
285 for (let n = 0; n < Math.max(removed.length, added.length); n++) {
286 rows.push([removed[n] ?? null, added[n] ?? null]);
287 }
288 }
289 return rows;
290}
291
292function SplitRows({ file, comments, canComment }: FileProps) {
293 const [writing, setWriting] = useState<number | null>(null);
294 const side = (line: HighlightedLine | null, which: "old" | "new") => {
295 const kind = line ? (line.kind === "context" ? "context" : line.kind) : null;
296 const empty = "bg-surface/60";
297 return (
298 <>
299 <td
300 className={`relative w-12 px-2 text-right align-top select-none ${kind ? GUTTER_STYLES[kind] : empty} ${
301 which === "new" ? "border-l border-line" : ""
302 }`}
303 >
304 {line?.[which]}
305 {which === "new" && canComment && line?.new != null && (
306 <CommentButton line={line.new} onClick={() => setWriting(writing === line.new ? null : line.new)} />
307 )}
308 </td>
309 <td className={`pr-3 pl-2 align-top break-all whitespace-pre-wrap ${kind ? ROW_STYLES[kind] : empty}`}>
310 <Code line={line} />
311 </td>
312 </>
313 );
314 };
315 return (
316 <table className="w-full table-fixed border-collapse font-mono text-xs leading-5">
317 <colgroup>
318 <col className="w-12" />
319 <col />
320 <col className="w-12" />
321 <col />
322 </colgroup>
323 <tbody>
324 {file.hunks.map((hunk, h) => (
325 <Fragment key={h}>
326 {h > 0 && <HunkGap colSpan={4} />}
327 {pairs(hunk.lines).map(([before, after], index) => {
328 const line = after?.new ?? null;
329 const here = comments.filter((c) => line != null && c.line === line);
330 const open = line != null && writing === line;
331 return (
332 <Fragment key={index}>
333 <tr className="group">
334 {side(before && before.kind !== "add" ? before : null, "old")}
335 {side(after && after.kind !== "delete" ? after : null, "new")}
336 </tr>
337 {(here.length > 0 || open) && line != null && (
338 <tr>
339 <td colSpan={4} className="border-y border-line bg-surface p-3">
340 <Thread
341 path={file.path}
342 line={line}
343 comments={here}
344 open={open}
345 onClose={() => setWriting(null)}
346 />
347 </td>
348 </tr>
349 )}
350 </Fragment>
351 );
352 })}
353 </Fragment>
354 ))}
355 </tbody>
356 </table>
357 );
358}
359
360function HunkGap({ colSpan }: { colSpan: number }) {
361 return (
362 <tr aria-hidden="true">
363 <td colSpan={colSpan} className="border-y border-line bg-surface py-0.5 text-center text-faint">
364 ⋯
365 </td>
366 </tr>
367 );
368}
369
370function FileSection({
371 file,
372 review,
373 layout,
374 collapsed,
375 viewed,
376 onToggle,
377 onViewed,
378 fileBase,
379}: {
380 file: HighlightedFile;
381 review?: LineReview;
382 layout: Layout;
383 collapsed: boolean;
384 viewed: boolean;
385 onToggle: () => void;
386 onViewed: (viewed: boolean) => void;
387 /** Where the file can be read as of the change, e.g. `/acme/web/blob/<hash>`. */
388 fileBase?: string;
389}) {
390 const Icon = fileIcon(file.status);
391 const comments = review?.comments.filter((comment) => comment.path === file.path) ?? [];
392 const shown = new Set(file.hunks.flatMap((hunk) => hunk.lines.map((line) => line.new)));
393 // Made against an earlier version of the change, on a line no longer in it.
394 const outdated = comments.filter((comment) => comment.line == null || !shown.has(comment.line));
395 // Shown plain at once, and highlighted in the browser when it comes near
396 // the screen: the page never waits for colours.
397 const section = useRef<HTMLElement>(null);
398 const [highlighted, setHighlighted] = useState<HighlightedFile | null>(null);
399 useEffect(() => {
400 setHighlighted(null);
401 const element = section.current;
Usage, Billing settings and prepaid AI credit; fixes from the UX audit402 // Highlighted by the server already: one of the change's first files.
403 const done = file.hunks.some((hunk) => hunk.lines.some((line) => (line as HighlightedLine).html != null));
404 if (!element || collapsed || done) return;
Document messaging agents and the usage page405 let cancelled = false;
406 const observer = new IntersectionObserver(
407 ([entry]) => {
408 if (!entry?.isIntersecting) return;
409 observer.disconnect();
410 void import("../lib/shiki")
411 .then(({ highlightFile }) => highlightFile(file))
412 .then((result) => {
413 if (!cancelled && result) setHighlighted(result);
414 })
415 .catch(() => {});
416 },
417 { rootMargin: "600px 0px" },
418 );
419 observer.observe(element);
420 return () => {
421 cancelled = true;
422 observer.disconnect();
423 };
424 }, [file, collapsed]);
425 const props = { file: highlighted ?? file, comments, canComment: review?.canComment ?? false };
426 return (
427 <section
428 ref={section}
429 id={`file-${file.path}`}
430 data-diff-file={file.path}
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)431 // Lands below the site bar and the change's toolbar, whatever their height.
432 className="scroll-mt-[calc(4rem+var(--diff-toolbar,3rem))] rounded-xl border border-line"
Document messaging agents and the usage page433 >
434 <header
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)435 // Sticks under the change's toolbar (its height is --diff-toolbar), not behind it.
436 className={`sticky top-[calc(3.5rem+var(--diff-toolbar,0px))] z-20 flex items-center gap-2 border-line bg-surface/95 px-2 py-2 backdrop-blur sm:gap-2.5 sm:px-3 ${
Document messaging agents and the usage page437 collapsed ? "rounded-xl" : "rounded-t-xl border-b"
438 }`}
439 >
440 <button
441 type="button"
442 onClick={onToggle}
443 aria-label={collapsed ? `Show ${file.path}` : `Hide ${file.path}`}
444 aria-expanded={!collapsed}
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)445 className="-m-1.5 shrink-0 rounded p-2 text-faint hover:bg-raised hover:text-fg sm:m-0 sm:p-0.5"
Document messaging agents and the usage page446 >
447 {collapsed ? <ChevronRight size={15} /> : <ChevronDown size={15} />}
448 </button>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)449 <Icon size={15} className={`hidden shrink-0 sm:block ${fileTone(file.status)}`} />
450 {/* A long path is cut at its start, so the file's own name shows. */}
Document messaging agents and the usage page451 <button
452 type="button"
453 onClick={onToggle}
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)454 dir="rtl"
Document messaging agents and the usage page455 className={`min-w-0 grow truncate text-left font-mono text-[0.8125rem] ${viewed ? "text-muted" : ""}`}
456 >
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)457 <bdi>{file.path}</bdi>
Document messaging agents and the usage page458 </button>
459 {comments.length > 0 && (
460 <span className="flex items-center gap-1 text-xs text-muted">
461 <MessageSquarePlus size={12} />
462 {comments.length}
463 </span>
464 )}
465 <Stat additions={file.additions} deletions={file.deletions} />
466 {fileBase && file.status !== "deleted" && (
467 <span className="hidden items-center gap-0.5 text-xs sm:flex">
468 <Link to={`${fileBase}/${file.path}`} className="rounded px-1.5 py-0.5 text-muted hover:bg-raised hover:text-fg">
469 View
470 </Link>
471 <Link
472 to={`${fileBase}/${file.path}?blame=1`}
473 className="rounded px-1.5 py-0.5 text-muted hover:bg-raised hover:text-fg"
474 >
475 Blame
476 </Link>
477 </span>
478 )}
479 <label
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)480 className={`ml-1 flex shrink-0 cursor-pointer items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs transition-colors select-none sm:py-0.5 ${
Document messaging agents and the usage page481 viewed ? "border-accent/40 bg-accent/10 text-accent" : "border-line text-muted hover:text-fg"
482 }`}
483 >
Workspace names and icons, and a component kit for every control484 <Checkbox
Document messaging agents and the usage page485 checked={viewed}
Workspace names and icons, and a component kit for every control486 onCheckedChange={(checked) => onViewed(checked === true)}
487 className="size-3.5 rounded-[4px] [&_svg]:size-2.5"
Document messaging agents and the usage page488 />
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)489 <span className="sr-only sm:not-sr-only">Viewed</span>
Document messaging agents and the usage page490 </label>
491 </header>
492 {!collapsed && (
493 <div className="overflow-hidden rounded-b-xl">
494 {outdated.length > 0 && (
495 <div className="space-y-2 border-b border-line bg-surface/50 p-3">
496 <p className="text-xs text-faint">On lines that have since changed</p>
497 {outdated.map((comment) => (
498 <LineComment key={comment.id} comment={comment} />
499 ))}
500 </div>
501 )}
502 {file.binary ? (
503 <p className="px-4 py-6 text-sm text-muted">Binary or large file; its contents are not shown.</p>
504 ) : file.hunks.length === 0 ? (
505 <p className="px-4 py-6 text-sm text-muted">No line changes{file.status === "added" ? ": an empty file" : ""}.</p>
506 ) : (
507 <div className="overflow-x-auto">
508 {layout === "split" ? <SplitRows {...props} /> : <UnifiedRows {...props} />}
509 </div>
510 )}
511 </div>
512 )}
513 </section>
514 );
515}
516
517type TreeNode = { name: string; path: string; children: TreeNode[]; file?: HighlightedFile };
518
519/** The changed files as folders, with folders of one folder merged: `src/lib`. */
520function treeOf(files: HighlightedFile[]): TreeNode[] {
521 const root: TreeNode = { name: "", path: "", children: [] };
522 for (const file of files) {
523 const parts = file.path.split("/");
524 let node = root;
525 parts.forEach((part, index) => {
526 const path = parts.slice(0, index + 1).join("/");
527 let child = node.children.find((c) => c.name === part && !c.file === (index < parts.length - 1));
528 if (!child) {
529 child = { name: part, path, children: [] };
530 if (index === parts.length - 1) child.file = file;
531 node.children.push(child);
532 }
533 node = child;
534 });
535 }
536 const squash = (node: TreeNode): TreeNode => {
537 let current = node;
538 while (!current.file && current.children.length === 1 && !current.children[0]!.file) {
539 const only = current.children[0]!;
540 current = { ...only, name: `${current.name}/${only.name}` };
541 }
542 const children = current.children
543 .map(squash)
544 .sort((a, b) => Number(!!a.file) - Number(!!b.file) || a.name.localeCompare(b.name));
545 return { ...current, children };
546 };
547 return squash(root).children;
548}
549
550function Tree({
551 nodes,
552 depth,
553 active,
554 viewed,
555 onPick,
556}: {
557 nodes: TreeNode[];
558 depth: number;
559 active: string | null;
560 viewed: Set<string>;
561 onPick: (path: string) => void;
562}) {
563 return (
564 <ul>
565 {nodes.map((node) => {
566 if (!node.file) {
567 return (
568 <li key={node.path}>
569 <p
570 className="flex items-center gap-1.5 truncate py-1 font-mono text-xs text-faint"
571 style={{ paddingLeft: depth * 12 + 8 }}
572 >
573 <Folder size={13} className="shrink-0" />
574 {node.name}
575 </p>
576 <Tree nodes={node.children} depth={depth + 1} active={active} viewed={viewed} onPick={onPick} />
577 </li>
578 );
579 }
580 const file = node.file;
581 const Icon = fileIcon(file.status);
582 return (
583 <li key={node.path}>
584 <button
585 type="button"
586 onClick={() => onPick(file.path)}
587 style={{ paddingLeft: depth * 12 + 8 }}
588 className={`flex w-full items-center gap-1.5 rounded-md py-1 pr-2 text-left font-mono text-xs transition-colors ${
589 active === file.path ? "bg-raised text-fg" : "text-muted hover:bg-raised/60 hover:text-fg"
590 } ${viewed.has(file.path) ? "opacity-55" : ""}`}
591 >
592 <Icon size={13} className={`shrink-0 ${fileTone(file.status)}`} />
593 <span className="min-w-0 grow truncate">{node.name}</span>
594 <span className="shrink-0 text-[0.625rem] tabular-nums">
Merge branch 'worktree-agent-ad7c6d88d93adc817'595 {file.additions > 0 && <span className="text-success">+{file.additions}</span>}
Document messaging agents and the usage page596 {file.deletions > 0 && <span className="ml-1 text-danger">−{file.deletions}</span>}
597 </span>
598 </button>
599 </li>
600 );
601 })}
602 </ul>
603 );
604}
605
606/**
607 * A change, file by file: a tree of what changed beside the diffs, unified
608 * or side by side, each file foldable and markable as viewed. `j` and `k`
609 * move between files and `t` filters them.
610 */
611export function DiffView({
612 comparison,
613 review,
614 empty,
615 fileBase,
616}: {
617 comparison: Comparison;
618 review?: LineReview;
619 /** What to say when nothing changed. */
620 empty?: React.ReactNode;
621 /** Where each file can be read as of the change, to link to it. */
622 fileBase?: string;
623}) {
624 const { files, truncated } = comparison;
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)625 const [chosenLayout, setLayout] = useState<Layout>("unified");
626 // Side by side has no room on a phone.
627 const narrow = useNarrow();
628 const layout: Layout = narrow ? "unified" : chosenLayout;
629 const [picking, setPicking] = useState(false);
Document messaging agents and the usage page630 const [collapsed, setCollapsed] = useState<Set<string>>(new Set());
631 const [viewed, setViewed] = useState<Set<string>>(new Set());
632 const [active, setActive] = useState<string | null>(files[0]?.path ?? null);
633 const [filter, setFilter] = useState("");
634 const filterInput = useRef<HTMLInputElement>(null);
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)635 // The toolbar's height, as it wraps at each width, so the files' own
636 // sticky headers sit below it rather than under it.
637 const frame = useRef<HTMLDivElement>(null);
638 const toolbar = useRef<HTMLDivElement>(null);
639 const noFiles = files.length === 0;
640 useEffect(() => {
641 const bar = toolbar.current;
642 const root = frame.current;
643 if (!bar || !root) return;
644 const measure = () => root.style.setProperty("--diff-toolbar", `${bar.offsetHeight}px`);
645 measure();
646 if (typeof ResizeObserver === "undefined") return;
647 const observer = new ResizeObserver(measure);
648 observer.observe(bar);
649 return () => observer.disconnect();
650 }, [noFiles]);
Document messaging agents and the usage page651 const viewedKey = `g1t:viewed:${comparison.head}`;
652
653 // Preferences live in the browser: read them once it is there.
654 useEffect(() => {
655 if (stored("g1t:diff-layout") === "split") setLayout("split");
656 const saved = stored(viewedKey);
657 if (saved) {
658 try {
659 const paths = new Set<string>(JSON.parse(saved));
660 setViewed(paths);
661 setCollapsed(new Set(paths));
662 } catch {
663 // Something else wrote it.
664 }
665 }
666 }, [viewedKey]);
667
668 const changeLayout = (next: Layout) => {
669 setLayout(next);
670 store("g1t:diff-layout", next);
671 };
672 const markViewed = (path: string, on: boolean) => {
673 setViewed((previous) => {
674 const next = new Set(previous);
675 if (on) next.add(path);
676 else next.delete(path);
677 store(viewedKey, next.size ? JSON.stringify([...next]) : null);
678 return next;
679 });
680 // Marking a file viewed folds it away, as a reviewer moves on.
681 setCollapsed((previous) => {
682 const next = new Set(previous);
683 if (on) next.add(path);
684 else next.delete(path);
685 return next;
686 });
687 };
688 const toggle = (path: string) =>
689 setCollapsed((previous) => {
690 const next = new Set(previous);
691 if (next.has(path)) next.delete(path);
692 else next.add(path);
693 return next;
694 });
695
696 const shownFiles = useMemo(() => {
697 const words = filter.toLowerCase().split(/\s+/).filter(Boolean);
698 return words.length === 0
699 ? files
700 : files.filter((file) => words.every((word) => file.path.toLowerCase().includes(word)));
701 }, [files, filter]);
702 const tree = useMemo(() => treeOf(shownFiles), [shownFiles]);
703
704 const jump = useCallback((path: string) => {
705 setCollapsed((previous) => {
706 if (!previous.has(path)) return previous;
707 const next = new Set(previous);
708 next.delete(path);
709 return next;
710 });
711 setActive(path);
712 requestAnimationFrame(() =>
713 document.getElementById(`file-${path}`)?.scrollIntoView({ behavior: "smooth", block: "start" }),
714 );
715 }, []);
716
717 // The file at the top of the screen is the current one.
718 useEffect(() => {
719 const sections = [...document.querySelectorAll<HTMLElement>("[data-diff-file]")];
720 if (sections.length === 0) return;
721 const observer = new IntersectionObserver(
722 (entries) => {
723 const top = entries
724 .filter((entry) => entry.isIntersecting)
725 .sort((a, b) => a.boundingClientRect.top - b.boundingClientRect.top)[0];
726 if (top) setActive((top.target as HTMLElement).dataset.diffFile ?? null);
727 },
728 { rootMargin: "-112px 0px -60% 0px" },
729 );
730 sections.forEach((section) => observer.observe(section));
731 return () => observer.disconnect();
732 }, [shownFiles, collapsed]);
733
734 useEffect(() => {
735 const onKey = (event: KeyboardEvent) => {
736 const target = event.target as HTMLElement | null;
737 if (event.metaKey || event.ctrlKey || event.altKey) return;
738 if (target && (target.isContentEditable || /^(INPUT|TEXTAREA|SELECT)$/.test(target.tagName))) return;
739 const index = shownFiles.findIndex((file) => file.path === active);
740 if (event.key === "j" || event.key === "k") {
741 const next = shownFiles[Math.max(0, Math.min(shownFiles.length - 1, index + (event.key === "j" ? 1 : -1)))];
742 if (next) {
743 event.preventDefault();
744 jump(next.path);
745 }
746 } else if (event.key === "t") {
747 event.preventDefault();
748 filterInput.current?.focus();
749 } else if (event.key === "v" && active) {
750 event.preventDefault();
751 markViewed(active, !viewed.has(active));
752 }
753 };
754 window.addEventListener("keydown", onKey);
755 return () => window.removeEventListener("keydown", onKey);
756 });
757
758 if (files.length === 0) {
759 return (
760 <EmptyState title="No changes">
761 {empty ?? "Nothing has been pushed to this pull request yet, or it matches the branch it would merge into."}
762 </EmptyState>
763 );
764 }
765 const additions = files.reduce((sum, file) => sum + file.additions, 0);
766 const deletions = files.reduce((sum, file) => sum + file.deletions, 0);
767 const allCollapsed = files.every((file) => collapsed.has(file.path));
768 return (
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)769 <div ref={frame}>
Phones reach every page: each mode's menu from the top bar or by tapping the tab you're on, Docs first in the avatar sheet, a project's pages as a swipeable strip; dialogs as bottom sheets above the keyboard, safe areas, menus kept on screen, 40px targets, touch-visible controls, save bars above the tab bar770 <div ref={toolbar} className="sticky top-(--topbar-h) z-30 -mx-1 mb-3 flex flex-wrap items-center gap-x-4 gap-y-2 bg-bg/90 px-1 py-2 backdrop-blur">
Document messaging agents and the usage page771 <span className="text-sm text-muted">
772 <span className="font-medium text-fg">{files.length}</span> {files.length === 1 ? "file" : "files"}
773 </span>
774 <Stat additions={additions} deletions={deletions} />
775 <span className="flex items-center gap-2 text-xs text-muted">
776 <span className="h-1.5 w-20 overflow-hidden rounded-full bg-line">
777 <span
778 className="block h-full rounded-full bg-accent transition-all"
779 style={{ width: `${(viewed.size / files.length) * 100}%` }}
780 />
781 </span>
782 {viewed.size}/{files.length} viewed
783 </span>
784 <div className="ml-auto flex items-center gap-2">
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)785 {files.length > 1 && (
786 // Below xl the tree is not beside the diffs: it opens as a sheet.
787 <button
788 type="button"
789 onClick={() => setPicking(true)}
790 className="flex min-h-9 items-center gap-1.5 rounded-md border border-line px-2.5 text-xs text-muted transition-colors hover:border-line-strong hover:text-fg xl:hidden"
791 >
792 <Files size={13} />
793 Files
794 </button>
795 )}
Document messaging agents and the usage page796 <button
797 type="button"
798 onClick={() => setCollapsed(allCollapsed ? new Set() : new Set(files.map((file) => file.path)))}
799 className="rounded-md px-2 py-1 text-xs text-muted hover:bg-raised hover:text-fg"
800 >
801 {allCollapsed ? "Expand all" : "Collapse all"}
802 </button>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)803 <div className="hidden rounded-md border border-line p-0.5 sm:flex" role="radiogroup" aria-label="Layout">
Document messaging agents and the usage page804 {(
805 [
806 ["unified", <Rows3 key="u" size={13} />, "Unified"],
807 ["split", <Columns2 key="s" size={13} />, "Split"],
808 ] as const
809 ).map(([value, icon, label]) => (
810 <button
811 key={value}
812 type="button"
813 role="radio"
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)814 aria-checked={chosenLayout === value}
Document messaging agents and the usage page815 onClick={() => changeLayout(value)}
816 className={`flex items-center gap-1.5 rounded px-2 py-0.5 text-xs transition-colors ${
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)817 chosenLayout === value ? "bg-raised text-fg" : "text-muted hover:text-fg"
Document messaging agents and the usage page818 }`}
819 >
820 {icon}
821 {label}
822 </button>
823 ))}
824 </div>
825 </div>
826 </div>
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)827 {files.length > 1 && (
828 <Sheet open={picking} onOpenChange={setPicking}>
829 <SheetContent
830 side="left"
831 // No keyboard popping up over the list on a phone: the filter is a tap away.
832 onOpenAutoFocus={(event) => event.preventDefault()}
Phones reach every page: each mode's menu from the top bar or by tapping the tab you're on, Docs first in the avatar sheet, a project's pages as a swipeable strip; dialogs as bottom sheets above the keyboard, safe areas, menus kept on screen, 40px targets, touch-visible controls, save bars above the tab bar833 className="inset-x-0 top-auto bottom-0 h-[80dvh] max-w-none rounded-t-2xl pt-0 border-t border-r-0 data-[state=closed]:animate-fade-out data-[state=open]:animate-fade-in sm:max-w-none xl:hidden"
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)834 >
835 <SheetHeader>
836 <SheetTitle>Files changed</SheetTitle>
837 <SheetDescription>
838 {files.length} files · {viewed.size} viewed
839 </SheetDescription>
840 </SheetHeader>
841 <div className="relative px-4 pt-3">
842 <Search size={14} className="pointer-events-none absolute top-1/2 left-6.5 mt-1.5 -translate-y-1/2 text-faint" />
843 <input
844 value={filter}
845 onChange={(event) => setFilter(event.target.value)}
846 placeholder="Filter files"
847 aria-label="Filter files"
848 autoComplete="off"
849 data-1p-ignore
850 className="h-10 w-full rounded-md border border-line bg-bg pr-3 pl-8 text-sm outline-none placeholder:text-faint focus:border-accent-dim"
851 />
852 </div>
853 <nav aria-label="Files changed" className="min-h-0 grow overflow-y-auto px-2 py-2 [&_button]:min-h-10 [&_button]:text-[0.8125rem] [&_p]:min-h-8 [&_p]:text-[0.8125rem]">
854 <Tree
855 nodes={tree}
856 depth={0}
857 active={active}
858 viewed={viewed}
859 onPick={(path) => {
860 setPicking(false);
861 // Once the sheet has let the page go, so its scroll is not undone.
862 setTimeout(() => jump(path), 50);
863 }}
864 />
865 {shownFiles.length === 0 && <p className="px-2 py-6 text-center text-sm text-muted">No file matches.</p>}
866 </nav>
867 </SheetContent>
868 </Sheet>
869 )}
Document messaging agents and the usage page870 <div className="flex gap-4">
871 {files.length > 1 && (
872 <aside className="sticky top-28 hidden max-h-[calc(100vh-8rem)] w-60 shrink-0 flex-col self-start xl:flex">
873 <div className="relative">
874 <Search size={13} className="pointer-events-none absolute top-1/2 left-2.5 -translate-y-1/2 text-faint" />
875 <input
876 ref={filterInput}
877 value={filter}
878 onChange={(event) => setFilter(event.target.value)}
879 onKeyDown={(event) => {
880 if (event.key === "Escape") {
881 setFilter("");
882 event.currentTarget.blur();
883 } else if (event.key === "Enter" && shownFiles[0]) {
884 jump(shownFiles[0].path);
885 event.currentTarget.blur();
886 }
887 }}
888 placeholder="Filter files"
889 autoComplete="off"
890 data-1p-ignore
891 className="h-8 w-full rounded-md border border-line bg-surface/60 pr-7 pl-7 text-xs outline-none placeholder:text-faint focus:border-accent-dim"
892 />
893 <kbd className="absolute top-1/2 right-2 -translate-y-1/2 rounded border border-line px-1 font-mono text-[0.625rem] text-faint">
894 t
895 </kbd>
896 </div>
897 <nav className="mt-2 min-h-0 overflow-y-auto pb-2">
898 <Tree nodes={tree} depth={0} active={active} viewed={viewed} onPick={jump} />
899 </nav>
900 <p className="mt-auto border-t border-line pt-2 text-[0.6875rem] text-faint">
901 <kbd className="font-mono">j</kbd>/<kbd className="font-mono">k</kbd> next and previous file,{" "}
902 <kbd className="font-mono">v</kbd> mark viewed
903 </p>
904 </aside>
905 )}
906 <div className="min-w-0 grow space-y-3">
907 {review?.canComment && (
Merge the workspace shell: navigation and phone shell, g1t as orchestrator, agents in roles with audience-checked reads, reactions and custom emoji, live notifications and browser push, the homepage tour (agents 0002, chat 0002)908 <p className="text-xs text-faint">
909 <span className="pointer-coarse:hidden">Hover a line and press the button beside its number to comment on it.</span>
910 <span className="hidden pointer-coarse:inline">Tap a line number to comment on it.</span>
911 </p>
Document messaging agents and the usage page912 )}
913 {shownFiles.map((file) => (
914 <FileSection
915 key={file.path}
916 file={file}
917 review={review}
918 layout={layout}
919 collapsed={collapsed.has(file.path)}
920 viewed={viewed.has(file.path)}
921 onToggle={() => toggle(file.path)}
922 onViewed={(on) => markViewed(file.path, on)}
923 fileBase={fileBase}
924 />
925 ))}
926 {shownFiles.length === 0 && <p className="py-8 text-center text-sm text-muted">No file matches.</p>}
927 {truncated && <p className="text-center text-sm text-muted">This change is too large to show in full.</p>}
928 </div>
929 </div>
930 </div>
931 );
932}

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