feat(connect): ChatGPT recipe on the MCP page

[jfrench9]

Summary

The RoboSystems plugin is live in the ChatGPT plugin directory (v1.0.0, the SEC filings read surface). This adds ChatGPT to the Connect page alongside Claude, Claude Code and Cursor.

• McpSnippets.tsx: a ChatGPT recipe in the shared sign-in set — the OAuth URL as a developer-mode custom connector (Settings → Connectors → Create), which serves every tool of the graph picked at consent, RoboLedger included; the directory listing is linked as the no-setup path.
• Connect page subtitle and the universal-section doc comment name ChatGPT.

Renders on both the universal address and the workspace addresses, and on the repository getting-started page, since all three use the same component.

Test plan

• vitest — connect page (21) + repository getting-started (3) pass
• tsc --noEmit, eslint, prettier --check on the changed files
• Visual check of /connect after deploy

🤖 Generated with Claude Code

https://claude.ai/code/session_01DND6a4d6FNAGveRxViZiQE

[github-actions]

Change classification: normal — platform or application code changed.

A normal change carries a documented automated review on this pull request before merge, in place of a second human approver. The change-classification job requests that review and passes once it has been posted. Recorded by the change-classification job.

[jfrench9]

@claude please review this PR

[claude]

Claude finished @jfrench9's task in 1m 53s —— View job

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Review complete

• Gather context (PR diff, changed files)
• Review McpSnippets.tsx changes
• Review connect/content.tsx changes
• Post review feedback

This is a small, well-scoped addition — a fourth recipe in the shared McpSignInSnippets set, so it automatically renders everywhere that set is used (universal address, workspace address, repository getting-started page) without touching those call sites.

Looks good:

• The ChatGPT snippet reuses the same OAuth URL as the Claude recipe (src/components/mcp/McpSnippets.tsx:62-81), consistent with the "one URL, pick the graph at consent" model the rest of the page establishes.
• External link follows the existing convention (target="_blank", rel="noopener noreferrer", same text-primary-600 dark:text-primary-400 hover:underline classes used elsewhere in content.tsx and the repository getting-started page).
• Correctly omitted from the API-key section (content.tsx:426-441) — ChatGPT's custom connector is sign-in only, so it wouldn't make sense next to the header-based Claude Code / Cursor key snippets.
• Doc comment (McpSnippets.tsx:40) and subtitle (content.tsx:262) updated to match; the connect/__tests__/content.test.tsx suite asserts on specific substrings/testids rather than an exhaustive snippet count, so this addition doesn't conflict with any existing assertion.

Minor nit:

• McpSnippets.tsx:56 and :63 — the Claude and ChatGPT snippets both use copyLabel="Connector URL", so their copy buttons both render aria-label="Copy Connector URL" in the same section. Sighted users have the heading above each to disambiguate, but a screen-reader user tabbing between the two copy buttons hears the same label twice. Consider "Claude connector URL" / "ChatGPT connector URL" for the two labels. Low severity — not a functional bug.
  Fix this →

Not verified:

• Could not execute vitest, tsc, eslint, or prettier in this sandbox — the tool run required approval that isn't available here, so I reviewed statically against the diff and read through content.test.tsx by hand to confirm no assertions conflict with the new snippet. The PR description states these already pass locally.
• The hardcoded ChatGPT plugin directory URL (McpSnippets.tsx:70) — assumed correct per the PR description's claim that the plugin is live; not independently verified.

No blocking issues found.