docs: add release notes for v3.48.1 and v3.49.0

[hannesrudolph]

Release Notes

v3.48.1 (2026-02-18)

• Bug Fixes: MCP tools unavailable on first turn, IPC queue deletion, package metadata regression
• Provider Updates: Bedrock Claude Sonnet 4.6 model ID fix (thanks PeterDaveHello)

v3.49.0 (2026-02-19)

• File Changes Panel: New collapsible panel showing all files changed in a conversation with diffs (thanks saneroen)
• Per-Workspace Indexing Control: Per-workspace opt-in toggle, Stop Indexing button, multi-root workspace fix (thanks JamesRobert20, thomas-mindruptive)
• Bug Fixes: Chat scroll on reopen, multi-window task history data loss

Files Changed

• docs/update-notes/v3.48.1.mdx (new)
• docs/update-notes/v3.49.0.mdx (new)
• docs/update-notes/index.md (updated)
• sidebars.ts (updated)

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Project	Deployment	Actions	Updated (UTC)
roo-code-docs	Ready	Preview, Comment	Feb 19, 2026 8:32am

[roomote]

Rooviewer   See task

No issues found. Release notes for v3.48.0, v3.48.1, and v3.49.0 are well-structured with correct frontmatter, absolute extensionless links, sidebar entries, and index ordering. The environments.mdx additions for proxied/unauthenticated ports are clean.

Previous reviews

• ce631f9: Review #1

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