feat: cache rpc responses for cacheable functions

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@vitejs/devtools

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@vitejs/devtools-kit

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@vitejs/devtools-rolldown

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@vitejs/devtools-rpc

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commit: 3638330

[Copilot]

Pull request overview

This PR introduces opt-in client-side caching for RPC calls by marking certain server RPC functions as cacheable and having the Rolldown DevTools client enable caching based on server-reported function metadata.

Changes:

• Mark multiple Rolldown RPC query/static functions as cacheable: true.
• Expose cacheable metadata via the internal devtoolskit:internal:rpc:server:list RPC.
• Add an RPC cache manager to the DevTools RPC client and enable/configure it from the Rolldown app at connect time.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/rolldown/src/node/rpc/functions/rolldown-list-sessions.ts	Mark list-sessions RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-session-summary.ts	Mark session summary RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-session-compare-summary.ts	Mark compare summary RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-plugin-details.ts	Mark plugin details RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-packages.ts	Mark packages RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-package-details.ts	Mark package details RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-module-info.ts	Mark module info RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-chunks-graph.ts	Mark chunks graph RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-chunk-info.ts	Mark chunk info RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-assets-list.ts	Mark assets list RPC as cacheable.
packages/rolldown/src/node/rpc/functions/rolldown-get-asset-details.ts	Mark asset details RPC as cacheable.
packages/rolldown/src/app/composables/rpc.ts	Enable caching and populate cacheable function list from server metadata.
packages/kit/src/client/rpc.ts	Add RpcCacheManager and intercept requests to serve/store cached responses.
packages/core/src/node/rpc/internal/rpc-server-list.ts	Include cacheable in server function listing payload.

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