fix(i18n): pt-BR review pass over the retranslated leaves (172 corrections) + review-locale script

changelog.d/fixes/13885-pt-br-review.md

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+- **fix(i18n):** reviewer pass over the 1,865 pt-BR leaves retranslated in #13782 (172 corrections) via the new `review-locale` script. (#13885)

scripts/i18n/review-locale.mjs

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+#!/usr/bin/env node
+/**
+ * OmniRoute — locale review pass. Sends the leaves a locale changed since a git ref to the
+ * translation backend with a *reviewer* prompt (native speaker, dashboard context, keep
+ * placeholders/ICU/markup) and applies only the corrections it returns. Produces a markdown
+ * report so the operator can read what was changed.
+ *
+ * Usage: node scripts/i18n/review-locale.mjs --locale=pt-BR --since=<ref> [--dry-run] [--batch-size=30]
+ */
+import { existsSync, readFileSync, promises as fs } from "node:fs";
+import path from "node:path";
+import process from "node:process";
+import { execFileSync } from "node:child_process";
+import { fileURLToPath, pathToFileURL } from "node:url";
+import { backendConfig, callChat } from "./lib/translate-backend.mjs";
+
+// ----- .env loader (same contract as sync-ui-keys.mjs: repo-root .env, already-set vars win)
+(function loadDotEnv() {
+  const envPath = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..", "..", ".env");
+  if (!existsSync(envPath)) return;
+  try {
+    const raw = readFileSync(envPath, "utf8");
+    for (const rawLine of raw.split(/\r?\n/)) {
+      const line = rawLine.trim();
+      if (!line || line.startsWith("#")) continue;
+      const eq = line.indexOf("=");
+      if (eq <= 0) continue;
+      const key = line.slice(0, eq).trim();
+      if (!key || process.env[key] !== undefined) continue;
+      let value = line.slice(eq + 1);
+      if (
+        (value.startsWith('"') && value.endsWith('"')) ||
+        (value.startsWith("'") && value.endsWith("'"))
+      ) {
+        value = value.slice(1, -1);
+      }
+      process.env[key] = value;
+    }
+  } catch {
+    // unreadable .env — the backend config will report the missing variables
+  }
+})();
+
+const SCRIPT_DIR = path.dirname(fileURLToPath(import.meta.url));
+const ROOT = path.resolve(SCRIPT_DIR, "..", "..");
+const MESSAGES_DIR = path.join(ROOT, "src", "i18n", "messages");
+
+const flat = (o, p = "", out = {}) => {
+  for (const [k, v] of Object.entries(o)) {
+    const d = p ? `${p}.${k}` : k;
+    if (v && typeof v === "object" && !Array.isArray(v)) flat(v, d, out);
+    else out[d] = v;
+  }
+  return out;
+};
+
+const setDeep = (o, dotted, value) => {
+  const parts = dotted.split(".");
+  let n = o;
+  for (const p of parts.slice(0, -1)) n = n[p];
+  n[parts.at(-1)] = value;
+};
+
+export function changedLeaves(before, after) {
+  const out = {};
+  for (const [k, v] of Object.entries(after)) {
+    if (typeof v === "string" && before[k] !== v) out[k] = v;
+  }
+  return out;
+}
+
+export function parseReviewResponse(text, ids) {
+  const m = text.match(/\{[\s\S]*\}/);
+  if (!m) return {};
+  let parsed;
+  try {
+    parsed = JSON.parse(m[0]);
+  } catch {
+    return {};
+  }
+  const allowed = new Set(ids);
+  const out = {};
+  for (const [id, v] of Object.entries(parsed)) {
+    if (allowed.has(id) && typeof v === "string" && v.trim() && v.trim() !== "OK") {
+      out[id] = v.trim();
+    }
+  }
+  return out;
+}
+
+const REVIEW_SYSTEM = (english, native) =>
+  `You are a senior ${english} (${native}) localization reviewer for a developer-facing dashboard (an LLM proxy/router called OmniRoute). You receive a JSON object mapping ids to {en, current}. For every id, answer "OK" when the current translation is correct, natural and complete, or return the corrected ${english} string. Rules: keep every placeholder ({name}, {count, plural, …}), ICU syntax, HTML/markdown, product names (OmniRoute, Claude, Codex, MCP, A2A) and technical identifiers exactly as in the English; do not translate code; prefer the terminology already used in "current" when it is fine. Reply with ONLY a JSON object {id: "OK" | "corrected string"}.`;
+
+function parseArgs(argv) {
+  const o = { locale: null, since: null, dryRun: false, batchSize: 30 };
+  for (const a of argv.slice(2)) {
+    if (a.startsWith("--locale=")) o.locale = a.slice(9);
+    else if (a.startsWith("--since=")) o.since = a.slice(8);
+    else if (a === "--dry-run") o.dryRun = true;
+    else if (a.startsWith("--batch-size=")) o.batchSize = Math.max(1, Number(a.slice(13)) || 30);
+  }
+  if (!o.locale || !o.since) throw new Error("--locale=<code> and --since=<git ref> are required");
+  return o;
+}
+
+async function main() {
+  const o = parseArgs(process.argv);
+  const file = path.join(MESSAGES_DIR, `${o.locale}.json`);
+  const rel = path.relative(ROOT, file);
+  const after = JSON.parse(await fs.readFile(file, "utf8"));
+  const before = JSON.parse(
+    execFileSync("git", ["show", `${o.since}:${rel}`], {
+      cwd: ROOT,
+      encoding: "utf8",
+      maxBuffer: 1 << 28,
+    })
+  );
+  const en = flat(JSON.parse(await fs.readFile(path.join(MESSAGES_DIR, "en.json"), "utf8")));
+  const changed = changedLeaves(flat(before), flat(after));
+  const ids = Object.keys(changed);
+  console.log(`[review] ${o.locale}: ${ids.length} leaves changed since ${o.since}`);
+  if (o.dryRun) return;
+  const config = JSON.parse(await fs.readFile(path.join(ROOT, "config", "i18n.json"), "utf8"));
+  const entry = config.locales.find((l) => l.code === o.locale);
+  const backend = backendConfig();
+  const fixes = {};
+  for (let i = 0; i < ids.length; i += o.batchSize) {
+    const slice = ids.slice(i, i + o.batchSize);
+    const payload = Object.fromEntries(
+      slice.map((id) => [id, { en: en[id], current: changed[id] }])
+    );
+    const text = await callChat(
+      [
+        { role: "system", content: REVIEW_SYSTEM(entry.english ?? entry.name, entry.native) },
+        { role: "user", content: JSON.stringify(payload) },
+      ],
+      backend
+    );
+    Object.assign(fixes, parseReviewResponse(text, slice));
+    console.log(
+      `[review] ${Math.min(i + o.batchSize, ids.length)}/${ids.length} reviewed, ${Object.keys(fixes).length} corrections so far`
+    );
+  }
+  for (const [id, v] of Object.entries(fixes)) setDeep(after, id, v);
+  await fs.writeFile(file, JSON.stringify(after, null, 2) + "\n", "utf8");
+  const reportDir = path.join(ROOT, "_artifacts", "i18n-review");
+  await fs.mkdir(reportDir, { recursive: true });
+  const report = [
+    `# Review ${o.locale} since ${o.since}`,
+    "",
+    `${ids.length} leaves reviewed, ${Object.keys(fixes).length} corrected.`,
+    "",
+    "| key | en | before | after |",
+    "| --- | --- | --- | --- |",
+    ...Object.entries(fixes).map(([id, v]) => `| \`${id}\` | ${en[id]} | ${changed[id]} | ${v} |`),
+  ].join("\n");
+  await fs.writeFile(path.join(reportDir, `${o.locale}.md`), report + "\n", "utf8");
+  console.log(
+    `[review] ${Object.keys(fixes).length} corrections applied; report: _artifacts/i18n-review/${o.locale}.md`
+  );
+}
+
+const isDirectRun = process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href;
+if (isDirectRun) {
+  main().catch((e) => {
+    console.error(`[review] ${e.message}`);
+    process.exitCode = 1;
+  });
+}