docs(js): Move the Cloudflare quick starts into the framework guides

AGENTS.md

@@ -98,6 +98,7 @@ When writing requirements in `develop-docs/`:
 - **ALWAYS** run `/brand-guidelines` to audit any user-facing content before committing. See `.agents/skills/brand-guidelines/SKILL.md`
 - Use `docs-review` skill for Sentry style and voice review. See `.claude/skills/docs-review/SKILL.md`
 - Use `technical-docs` skill when writing or reviewing SDK documentation. See `.claude/skills/technical-docs/SKILL.md`
+- Quick starts set `runtime` (for example `node` or `cloudflare`) in their frontmatter. Add `<RuntimeSelector />` to a quick start to link the quick starts of the same guide for the other runtimes
 
 ## LLM-Friendly MD Exports
 

docs/platforms/javascript/common/troubleshooting/index.mdx

@@ -636,7 +636,7 @@ Learn more about fixing these caching issues in the <PlatformLink to="/sourcemap
     - The `sentry.server.config.ts` file is in the root of your project, next to `nuxt.config.ts`.
     - Enable `debug` in the `sentry` options of your `nuxt.config.ts`. The SDK then prints a message during the build when it bundles the server config.
     - Remove the deprecated `autoInjectServerSentry` option, so that the SDK uses the bundled initialization.
-    - If you're using a Cloudflare Nitro preset, the SDK doesn't use `sentry.server.config.ts`. Use the [Cloudflare Nitro plugin](/platforms/javascript/guides/cloudflare/frameworks/nuxt/) instead.
+    - If you're using a Cloudflare Nitro preset, the SDK doesn't use `sentry.server.config.ts`. Use the [Cloudflare Nitro plugin](/platforms/javascript/guides/nuxt/cloudflare/) instead.
     - The SDK doesn't initialize while Nitro prerenders pages at build time, so builds don't send events.
 
     ---

docs/platforms/javascript/guides/cloudflare/frameworks/astro.mdx → docs/platforms/javascript/guides/astro/cloudflare.mdx

@@ -1,8 +1,13 @@
 ---
 title: Astro on Cloudflare
+sidebar_title: Quick Start (Cloudflare)
+sidebar_order: 0.5
 description: "Learn how to instrument your Astro app on Cloudflare Workers and capture your first errors."
+runtime: cloudflare
 ---
 
+<RuntimeSelector />
+
 ## Prerequisites
 
 You need:
@@ -88,20 +93,6 @@ export const onRequest = [
 
 ## Install
 
-<OnboardingOptionButtons
-  options={[
-    "error-monitoring",
-    "performance",
-    "session-replay",
-    "user-feedback",
-  ]}
-/>
-
-<Include name="quick-start-features-expandable-cloudflare-frameworks" />
-
-<PlatformContent
-  includePath="getting-started-complete"
-  platform="javascript.astro"
-/>
+<PlatformContent includePath="getting-started-cloudflare" />
 
 </StepConnector>

docs/platforms/javascript/guides/astro/index.mdx

@@ -5,8 +5,11 @@ sdk: sentry.javascript.astro
 categories:
   - browser
   - server
+runtime: node
 ---
 
+<RuntimeSelector />
+
 ## Prerequisites
 
 You need:
@@ -18,7 +21,7 @@ You need:
 
 <Alert level="warning" title="What runtime do you use?">
 
-This SDK currently only works on Node runtimes, such as Node adapter or Vercel with Lambda functions. If you use Cloudflare Workers or Cloudflare Pages, refer to our [Astro on Cloudflare guide](/platforms/javascript/guides/cloudflare/frameworks/astro/). Other non-Node runtimes, like Vercel's Edge runtime, are currently **not supported**.
+This SDK currently only works on Node runtimes, such as Node adapter or Vercel with Lambda functions. If you use Cloudflare Workers or Cloudflare Pages, refer to our [Astro on Cloudflare guide](/platforms/javascript/guides/astro/cloudflare/). Other non-Node runtimes, like Vercel's Edge runtime, are currently **not supported**.
 
 </Alert>