docs: rebrand README as OpenCode Toolbelt suite

[stephane-segning]

What

Rebrands the workspace README from an oauth2-first page to a suite-first one: OpenCode Toolbelt, the @vymalo plugin suite for OpenCode.

Why

The repo name opencode-oauth2 only describes one of six packages. The workspace now ships four runtime plugins (oauth2, models-info, ratelimit, browser), an MCP server (browser-mcp), and a companion browser extension. The README led entirely with oauth2, which undersold the rest. This reframes it around the whole belt while keeping every per-plugin detail.

Changes

• Title + tagline → "OpenCode Toolbelt — five small plugins that make OpenCode feel like it's running on your own infrastructure."
• Badges — CI status, MIT, Node ≥22, pnpm, TypeScript-strict, Biome, plus a row of live npm version badges for each of the five published packages.
• "What's in the belt" table — one row per tool with npm link + one-liner, including the extension.
• Suite-level mermaid diagram — the four plugins fanning out to IdP / metadata endpoint / gateway / browser (replaces the old oauth2-only flow).
• Per-tool sections (🔐 oauth2, 📊 models-info, 🚦 ratelimit, 🖐️ browser) — each self-contained with a config snippet.
• GitHub callouts for the auth-agnostic note, well-known distribution, and the browser-profile security warning.
• "Stacking the belt" composition section, refreshed docs index + workspace layout + dev gate.
• Root package.json description updated to match.

Notes for reviewers

• No rename of the repo slug or @vymalo npm scope — vymalo/opencode-oauth2 and the package names are unchanged. "OpenCode Toolbelt" is the README/brand framing only. Renaming the repo is a separate decision if you want it.
• npm badges render live from shields.io against the published versions.
• Docs-only plus one package.json description line; no code or behavior changes.

🤖 Generated with Claude Code

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[gemini-code-assist]

Code Review

This pull request rebrands the workspace from 'opencode-oauth2' to 'OpenCode Toolbelt' in both package.json and README.md, reflecting its expansion into a suite of five plugins (oauth2, models-info, ratelimit, browser, and browser-mcp). The documentation has been extensively updated to describe the features, architecture, and stacking of these plugins. Feedback suggests adding a 'Description' header to the third column of the workspace layout table in the README to improve readability and consistency.

Important

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[gemini-code-assist]

The third column header in the Workspace layout table is currently empty. Naming it Description would improve readability and maintain consistency with other tables in the document.

Suggested change

	| Package | Published as | |
	| --- | --- | --- |
	| Package | Published as | Description |
	| --- | --- | --- |