Patch Changes

• chore: drop dead code that make TSGO fail (#18496)

• fix: don't (re)connect deriveds when read inside branch/root effects (#18527)

• fix: skip unnecessary derived effect in earlier batch (#18525)

• fix: avoid declaration tag warning in event handlers (#18500)

• fix: abort deriveds own AbortSignal when it disconnects (#18400)

• fix: ensure $state.eager() is correctly transormed for SSR output (#18530)

• fix: correctly transform declaration tags during SSR (#18492)

• fix: transform computed keys in keyed {#each} destructuring patterns (#18521)

• fix: chain preprocessor sourcemaps with an empty sources[0] instead of dropping them (#18518)

• fix: clear previous_task reference after abort in Tween to prevent memory leak on interrupted tweens (#18541)

• fix: don't treat declaration tags as parts inside each blocks (#18507)