docs: add v3.47.0 release notes

[hannesrudolph]

Summary

Adds release notes for Roo Code v3.47.0 (2026-02-05).

Changes

• New file: docs/update-notes/v3.47.0.mdx — Full release notes with expanded sections for GPT-5.3-Codex and Claude Opus 4.6
• New file: static/img/v3.47.0/v3.47.0.png — Hero image
• Modified: docs/update-notes/index.md — Added Version 3.47 section
• Modified: sidebars.ts — Added 3.47 category entry

Highlights

• GPT-5.3-Codex (OpenAI Codex provider, subscription access)
• Claude Opus 4.6 (1M token context window, available across 6 providers)
• Multi-mode Skills targeting
• AGENTS.local.md personal override files
• Gemini/Vertex AI SDK migration
• Kimi K2.5 on Fireworks
• CLI improvements (v0.0.50, Linux support, API key auth)

---

Important

Adds release notes for Roo Code v3.47.0, including new features, bug fixes, and updates to documentation and sidebar.

• Release Notes:
  • Adds v3.47.0.mdx with details on GPT-5.3-Codex, Claude Opus 4.6, multi-mode Skills targeting, and CLI improvements.
  • Highlights include 1M token context window for Claude Opus 4.6 and GPT-5.3-Codex performance improvements.
• Documentation:
  • Updates index.md to include version 3.47.0.
  • Adds hero image v3.47.0.png.
• Sidebar:
  • Updates sidebars.ts to include a new category for version 3.47.

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Project	Deployment	Actions	Updated (UTC)
roo-code-docs	Ready	Preview, Comment	Feb 5, 2026 10:03pm

[roomote]

Oroocle   See task

Re-review complete (PR is merged). No new issues found since last review.

• Standardize "ChatGPT" spelling in the GPT-5.3-Codex section heading
• Remove "lol" from the release intro to match the rest of the release-notes tone
• Consider removing trailing "!!!" from the Claude Opus 4.6 heading

Previous reviews

• b19a304: Review #1
• 3c0b9df: Review #2

_{Mention @roomote in a comment to request specific changes to this pull request or fix all unresolved issues.}