docs: add DOCS_TRANSLATIONS workflow for locale sync (#6846)

* docs: add DOCS_TRANSLATIONS workflow for locale sync

Document how to git-detect English MDX changes and sync ar, ko, and pt-BR
translations, and reference it from AGENTS.md.

* docs: add fence language tags in DOCS_TRANSLATIONS.md

Mark the checklist and example output blocks with markdown and text
identifiers for correct rendering.

AGENTS.md

@@ -24,3 +24,5 @@ Follow these guidelines when contributing:
    may reference them.
 4. If you want to preview your changes locally, use `cd docs && mintlify dev`.
    To check for broken links, run `cd docs && mintlify broken-links`.
+5. After editing English docs, sync translations to `ar`, `ko`, and `pt-BR`
+   before finishing the task. Follow [DOCS_TRANSLATIONS.md](DOCS_TRANSLATIONS.md).

DOCS_TRANSLATIONS.md

@@ -0,0 +1,81 @@
+# Sync Docs Translations
+
+After English documentation changes, sync the same updates to Arabic (`ar`),
+Korean (`ko`), and Brazilian Portuguese (`pt-BR`).
+
+Supported locales: `ar`, `ko`, `pt-BR`.
+
+## Step 1 — Find changed English files with git
+
+From the repo root:
+
+```bash
+# Uncommitted changes (staged or unstaged)
+git diff --name-only HEAD -- docs/edge/en/
+
+# All changes on this branch vs main
+git diff --name-only main...HEAD -- docs/edge/en/
+
+# Newly added files
+git status --porcelain docs/edge/en/
+```
+
+Only process `*.mdx` under `docs/edge/en/`. Do not edit `docs/v*/` snapshots.
+
+## Step 2 — Map each file to locale targets
+
+For `docs/edge/en/<path>.mdx`, update or create:
+
+- `docs/edge/ar/<path>.mdx`
+- `docs/edge/ko/<path>.mdx`
+- `docs/edge/pt-BR/<path>.mdx`
+
+If English is a **new page**, also add matching entries in `docs/docs.json`
+navigation for each locale.
+
+## Step 3 — Translate
+
+Use the updated English file as source of truth. When locale files already
+exist, apply the same semantic change — do not rewrite unrelated sections.
+
+Rules:
+
+- Translate prose and frontmatter values (`title`, `description`, `sidebarTitle`)
+- Keep MDX/JSX tags, code blocks, URLs, and identifiers unchanged
+- Keep terms like Agent, Crew, Task, Flow, LLM, API, CLI, MCP in English where
+  appropriate
+- Rewrite internal links: `/en/` → `/{lang}/` (`/ar/`, `/ko/`, `/pt-BR/`)
+- Do not add translator notes
+
+## Step 4 — Verify (optional)
+
+```bash
+cd docs && mintlify broken-links
+```
+
+Commit English and locale files together.
+
+## Checklist
+
+```markdown
+- [ ] Git: listed changed docs/edge/en/*.mdx files
+- [ ] ar: updated/created matching files
+- [ ] ko: updated/created matching files
+- [ ] pt-BR: updated/created matching files
+- [ ] Links use /{lang}/ prefix; code blocks unchanged
+- [ ] docs/docs.json updated if new English page added
+```
+
+## Example
+
+`git diff --name-only HEAD -- docs/edge/en/` returns:
+
+```text
+docs/edge/en/concepts/llms.mdx
+```
+
+Update:
+
+- `docs/edge/ar/concepts/llms.mdx`
+- `docs/edge/ko/concepts/llms.mdx`
+- `docs/edge/pt-BR/concepts/llms.mdx`