Fix/touched tables + improvements to dev

[digitalmio]

No description provided.

[greptile-apps]

Greptile Summary

This PR fixes the client invalidation metadata to include both read and changed ("touched") tables, and improves the dev tooling in several ways.

• Server (index.ts): _meta.t now hashes the union of result.meta.read and result.meta.changed (deduplicated), so the client can invalidate all tables touched by a mutation, not just the ones that were queried.
• CLI (dev.ts): cleanup() is made synchronous; watcher.close() is fire-and-forget to avoid blocking the process on teardown.
• Vite plugin (vite.ts): apply: \"serve\" restricts the plugin to dev mode only; stdio is changed from \"inherit\" to explicit pipe so the child process output can be intercepted if needed.
• Generator (generate.ts): indentJson helper added to fix the previously-reported malformed indentation of the journal block in the auto-generated index.ts.

Confidence Score: 5/5

Safe to merge — all changes are additive or fix previously reported bugs with no regressions on the critical RPC path.

The RPC metadata fix is a straightforward union+deduplicate that is strictly more correct than the previous read-only approach. The dev-tooling changes (sync cleanup, stdio piping, apply:serve) are isolated to the CLI and Vite plugin and do not affect production runtime behaviour. The indentation fix in the generator corrects a previously flagged output bug.

No files require special attention; packages/cli/src/commands/dev.ts has a minor cosmetic edge case around the force-kill timer on the error-exit path.

Important Files Changed

Filename	Overview
packages/cli/src/commands/dev.ts	cleanup() made synchronous; watcher.close() is now fire-and-forget. Minor: forceKillAfterTimeout is orphaned on the error-exit path.
packages/cli/src/migrations/generate.ts	Added indentJson helper to fix previously-reported indentation bug in the generated index.ts; migration key indentation corrected from 2 to 4 spaces.
packages/client/src/vite.ts	apply: "serve" added to prevent the plugin running during builds; stdio changed from "inherit" to explicit pipe so output is controllable.
packages/server/src/server/index.ts	_meta.t now includes both read and changed tables (deduplicated via Set) so the client can invalidate all touched tables after a mutation.
playground/edgepod/.generated/migrations/meta/_journal.json	Reformatted to compact JSON; the generator still writes pretty-printed JSON so this will be normalised on the next migration run.
playground/edgepod/.generated/migrations/snapshot.json	id/prevId UUIDs updated to reflect the new migration chain; change is expected and correct.

Sequence Diagram

sequenceDiagram
    participant C as Client
    participant S as edgePodFetch (Worker)
    participant DO as Durable Object

    C->>S: POST /rpc/functionName
    S->>DO: executeRpc(functionName, args, rpcCtx)
    DO-->>S: success, data, meta read and changed arrays
    S->>S: dedupe read and changed via Set
    S->>S: hashMetaTableNames(deduped)
    S-->>C: success, data, _meta t hashedTables, warnings

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