docs(station): correct the open-source claim and adopt the approved positioning

[defang-sam]

What & why

docs.defang.io/docs/station is live right now saying:

Station runs on Defang's cloud. It is open source, so you can also run it on your own infrastructure.

That is not accurate. DefangLabs/station is a private repository with no LICENSE file. The open-source, self-hostable artefact is Agent Box (defangdevs/agent-box, MIT, public), which Station is built on.

The fix keeps the self-host path findable rather than deleting it — Agent Box now gets its own "Running it yourself" section naming the licence and what you can run it on.

Also brought in line with the merged positioning

The page predated DefangLabs/station ADR-0009 and defang-global constitution 1.2.0, both merged 2026-09-09:

• Leads with the tagline — Bring your agent. Run it anywhere.
• Says what Station actually is — Claude Code or OpenAI Codex on an always-on machine, connected to the customer's own Anthropic or OpenAI account — rather than a generic "persistent cloud workspace for AI coding agents".
• Drops "keeps running when you close your laptop." Retired copy per strategy/language-style-guide.md: it sells absence, and early Station customers value the opposite — being able to reach and direct the agent. It is also the single most commoditised line in the category.
• Names the Deploy handoff concretely — dev, staging or production on the provider you choose, which is what stacks does.

The in-development :::info note stays; Station has not shipped.

Proof

npm run build (with the Go prebuild) succeeds, and the rendered page is correct:

$ grep -o "Bring your agent. Run it anywhere.\|Agent Box\|MIT" build/docs/station.html | sort | uniq -c
      1 Agent Box
      1 Bring your agent. Run it anywhere.
      1 MIT
$ grep -c "is open source, so you can also run it" build/docs/station.html   → 0

Two pre-existing conditions, verified identical on main rather than assumed: a @theme/CodeBlock typecheck error needing generated Docusaurus types, and two broken anchors on /docs/concepts/mcp and /docs/providers/aws. Neither is on a page this PR touches.

Risk & rollback

One documentation page. Revert the single commit.

If DefangLabs/station is later given a licence, the "Running it yourself" section should be revisited — the claim can then be made directly about Station rather than only about the runtime underneath.

[coderabbitai]

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