fix(docs): redirect docs root to /overview

[saddlepaddle]

Summary

• docs.superset.sh/ was redirecting to /installation, but that page was removed when install+overview were merged in docs: reorg sidebar, merge install+overview, add CLI section, rewrite MCP for v2 #3926, leaving the root URL pointing at a 404.
• Update the root and /docs redirects to point at /overview (the new landing page) and update the sitemap priority to match.

Test plan

• Visit https://docs.superset.sh/ on the deploy preview and confirm it lands on /overview
• Visit https://docs.superset.sh/docs and confirm it also lands on /overview

Summary by CodeRabbit

• Chores
  • Updated documentation site navigation to redirect the root path to the overview page.
  • Adjusted search and sitemap priorities to reflect the new documentation structure.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: af8a8b63-e8c3-4e24-8d32-60463032781b

📥 Commits

Reviewing files that changed from the base of the PR and between a8c0810 and 4acefa2.

📒 Files selected for processing (2)

• apps/docs/next.config.mjs
• apps/docs/src/app/sitemap.ts

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📝 Walkthrough

Walkthrough

The documentation site's primary landing page is being redirected from /installation to /overview. Both redirect rules and sitemap priority configurations are updated to reflect this change across two configuration files.

Changes

Cohort / File(s)	Summary
Documentation Navigation Configuration apps/docs/next.config.mjs, apps/docs/src/app/sitemap.ts	Redirect rules updated to point root path and /docs to /overview instead of /installation; sitemap priority reassigned so /overview receives priority 1.0 (previously assigned to /installation).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A hop through the docs, a path refined,
From installation's door to overview's find,
The priority shifts, the redirects align,
Now travelers start where all paths intertwine!

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix-superset-docs-redirec

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[github-actions]

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[greptile-apps]

Greptile Summary

Fixes a broken docs root redirect introduced when /installation was removed in #3926 — both / and /docs now correctly redirect to /overview, and the sitemap priority is updated to match.

Confidence Score: 5/5

Safe to merge — minimal, targeted fix with no logic concerns.

Two-line changes updating a stale string reference in a redirect config and sitemap priority check. No new logic introduced, no P0/P1 findings.

No files require special attention.

Important Files Changed

Filename	Overview
apps/docs/next.config.mjs	Updated / and /docs redirects from /installation to /overview to fix the 404 broken by #3926.
apps/docs/src/app/sitemap.ts	Updated sitemap priority check from /installation to /overview so the new landing page receives the highest SEO priority of 1.0.

Sequence Diagram

sequenceDiagram
    participant Browser
    participant Next.js
    participant Overview as /overview

    Browser->>Next.js: GET /
    Next.js-->>Browser: 307 Redirect → /overview
    Browser->>Overview: GET /overview
    Overview-->>Browser: 200 OK

    Browser->>Next.js: GET /docs
    Next.js-->>Browser: 307 Redirect → /overview
    Browser->>Overview: GET /overview
    Overview-->>Browser: 200 OK

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