feat(diagnostics): the issue composer — draft, review, screenshots, zip export (E16 S3)

After Stop (or at the cap, or from Settings → Diagnosztika's past sessions)
one dialog drafts the issue: title, description, the steps drafted from the
session's markers and page changes (a marker without a label is named by its
time), the environment (version, browser, system, window, language). Beside
it, what goes with it: the browser and server logs — each reviewable line by
line, an unticked line is not sent — and the screenshots, removable, with
paste / drop / pick to add more.

- it saves as it goes (debug_sessions.draft, migration 0090): the rendered
  markdown in the user's language, the excluded rows, and its own fields to
  reopen as it was; a sent session is read-only
- the zip export (issue.md, client.log, server.log, screenshots) is built
  from the saved draft by app/issues/bundle.py — the one definition the Gitea
  delivery (S4) will share; .log, not .jsonl, which Gitea refuses
- the log line's level tags and clock move to components/logLineParts so the
  review list draws a level the way both log viewers do
This commit is contained in:
2026-09-19 22:26:49 +02:00
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// The issue drafted from a debug session (E16 S3) — pure functions, so what the composer shows and
// what it saves are one computation, testable without a browser.
//
// The composer renders the markdown HERE, in the user's language, and the server carries it as it
// was reviewed (backend app/issues/bundle.py): the server adds no sentence of its own.
import type { ServerLogRow } from "./api";
import { FRONTEND_SHA, FRONTEND_VERSION } from "./version";
/** Where a step came from: a marker the user set, a page change, or typed in the composer. */
type StepKind = "marker" | "nav" | "manual";
export interface DraftStep {
id: string;
kind: StepKind;
text: string;
/** A screenshot was taken at this step. */
shot?: boolean;
}
/** What the composer edits and saves (`form` in the saved draft). */
export interface DraftForm {
title: string;
description: string;
steps: DraftStep[];
/** Log row ids taken out of the evidence. */
excluded: number[];
}
/** The steps a session suggests: every marker the user set, and the page changes between them. A
* page change repeated back to back is one step; a screenshot belongs to the step before it. A
* marker set without a label is named by its time (`clock`) — the one thing that finds it in the
* log — rather than left empty, where the issue would drop it. */
export function draftSteps(
rows: readonly ServerLogRow[],
pageName: (page: string) => string,
clock: (ts: string) => string,
) {
const steps: DraftStep[] = [];
for (const row of rows) {
if (row.source !== "web") continue;
const attrs = row.attrs ?? {};
if (row.event === "debug.step") {
const label = typeof attrs.label === "string" ? attrs.label.trim() : "";
steps.push({ id: `r${row.id}`, kind: "marker", text: label || clock(row.ts) });
} else if (row.event === "nav.view") {
const page = typeof attrs.page === "string" ? attrs.page : String(attrs.path ?? "");
const text = page ? pageName(page) : "";
const last = steps[steps.length - 1];
if (!text || (last?.kind === "nav" && last.text === text)) continue;
steps.push({ id: `r${row.id}`, kind: "nav", text });
} else if (row.event === "debug.screenshot") {
const last = steps[steps.length - 1];
if (last) last.shot = true;
}
}
return steps;
}
/** The operating system a user agent names. Checked most specific first: Android's agent also says
* "Linux" — and says it first — and an iPad's also says "Mac OS X". */
export function osName(ua: string): string {
const tests: [RegExp, (m: RegExpExecArray) => string][] = [
[/Android [\d.]+/, (m) => m[0]],
[/(iPhone|iPad)[^)]*? OS ([\d_]+)/, (m) => `${m[1]} ${m[2]!.replace(/_/g, ".")}`],
[/Windows NT [\d.]+/, (m) => m[0]],
[/Mac OS X ([\d_]+)/, (m) => `macOS ${m[1]!.replace(/_/g, ".")}`],
[/CrOS|Linux/, (m) => m[0]],
];
for (const [re, name] of tests) {
const m = re.exec(ua);
if (m) return name(m);
}
return "?";
}
/** The environment table: what a developer asks first. Read from this browser at composing time —
* the same browser the session recorded in, or the report says which one it came from. */
export function environment(language: string): [key: string, value: string][] {
const ua = navigator.userAgent;
const browser =
/Edg\/([\d.]+)/.exec(ua)?.[0] ??
/Firefox\/([\d.]+)/.exec(ua)?.[0] ??
/Chrome\/([\d.]+)/.exec(ua)?.[0] ??
/Version\/([\d.]+).*Safari/.exec(ua)?.[0] ??
ua;
const rootPx = parseFloat(getComputedStyle(document.documentElement).fontSize) || 16;
return [
["version", `${FRONTEND_VERSION} (${FRONTEND_SHA})`],
["browser", browser.replace("/", " ")],
["os", osName(ua)],
[
"window",
`${window.innerWidth} × ${window.innerHeight} · ${window.devicePixelRatio}x · ${Math.round((rootPx / 16) * 100)}%`,
],
["language", language],
];
}
/** A table cell: a pipe or a line break would break the markdown table. */
const cell = (value: string) => value.replace(/\|/g, "\\|").replace(/\r?\n/g, " ");
export interface IssueText {
steps: string;
environment: string;
envKeys: Record<string, string>;
screenshot: string;
attachments: string;
clientLog: (n: number) => string;
serverLog: (n: number) => string;
screenshots: (n: number) => string;
/** Shown when the evidence was cut at the server's cap. */
truncated?: string;
}
/** The issue body as markdown: the description, the steps, the environment, the attachments. */
export function renderIssue(
form: DraftForm,
env: readonly [string, string][],
counts: { client: number; server: number; screenshots: number },
text: IssueText,
): string {
const parts: string[] = [];
const description = form.description.trim();
if (description) parts.push(description);
const steps = form.steps.filter((s) => s.text.trim());
if (steps.length)
parts.push(
`### ${text.steps}\n\n` +
steps
.map((s, i) => `${i + 1}. ${s.text.trim()}${s.shot ? ` _(${text.screenshot})_` : ""}`)
.join("\n"),
);
parts.push(
`### ${text.environment}\n\n| | |\n|---|---|\n` +
env.map(([k, v]) => `| ${cell(text.envKeys[k] ?? k)} | ${cell(v)} |`).join("\n"),
);
const attachments = [
counts.client ? `- \`client.log\` — ${text.clientLog(counts.client)}` : "",
counts.server ? `- \`server.log\` — ${text.serverLog(counts.server)}` : "",
counts.screenshots ? `- ${text.screenshots(counts.screenshots)}` : "",
].filter(Boolean);
if (attachments.length) {
const cut = text.truncated ? `\n\n_${text.truncated}_` : "";
parts.push(`### ${text.attachments}\n\n${attachments.join("\n")}${cut}`);
}
return parts.join("\n\n");
}