fix(astro-agent-markdown): exclude yaml from dev optimizer

[lentil32]

One-Line Summary

Prevent Astro dev from hitting a Vite SSR optimizer reload crash after the agent Markdown middleware loads YAML.

User-Facing Changes

• Keeps yaml out of the server-side Vite dep optimizer for @onequery/astro-agent-markdown dev middleware.
• Avoids the dev-server failure where Vite reports a missing .vite/deps_ssr/chunk-*.js file after optimized dependencies reload.

Why This Changed

PR #274 added build-time agent Markdown bundles and attempted to pre-optimize yaml during dev SSR. In the Cloudflare dev runner, that can cause Vite to rewrite the SSR optimized dependency cache during a full reload while workerd is still resolving the previous chunk path.

The result is a local dev crash like:

The file does not exist at ".../node_modules/.vite/deps_ssr/chunk-*.js" which is in the optimize deps directory.

How It Changed

• Switches the integration's dev-only Vite environment plugin from optimizeDeps.include to optimizeDeps.exclude for yaml.
• Keeps the exclusion scoped to non-client environments, so client dependency optimization remains unchanged.
• Renames the plugin from a pre-optimization-specific name to a more general dev dependency optimizer name.

Bug Fixes

• Under astro dev with the Cloudflare adapter, loading the agent Markdown middleware could trigger a full reload after yaml optimization and leave the worker resolving a stale deps_ssr chunk. This change keeps yaml as source in server environments to avoid that optimizer invalidation path.

Extra Context / Decisions (Optional)

The generated agent Markdown bundle behavior from PR #274 is unchanged. This only adjusts dev-server dependency handling.

Verification

• rtk git merge origin/main
• rtk mise exec -- bun run format
• rtk mise exec -- bunx turbo test --json --filter=@onequery/astro-agent-markdown
• rtk mise exec -- bunx turbo typecheck --json --filter=@onequery/astro-agent-markdown
• Pre-push hook: turbo lint with type-aware lint completed with 0 warnings and 0 errors.

Dev-server smoke validation was not completed in this pass after the workflow was redirected to merge/push/PR.

Video / Screenshot (Optional)

• N/A

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	onequery-landing	8274aeb	Commit Preview URL Branch Preview URL	Jun 04 2026, 08:01 AM