* Migrate server to TypeScript 7 (tsgo)
Bump typescript to ^7.0.0 in ep_etherpad-lite and bin. Fix the two
diagnostics the new compiler reports: an unguarded spread of
splitTextLines' nullable result in TextLinesMutator (silenced with
@ts-ignore, matching the sibling push calls), and per-element overload
errors on the hooks.ts test-case concat that a single @ts-ignore no
longer covers (replaced with an explicit any[] cast).
admin and ui intentionally stay on TypeScript 6: their build depends on
openapi-typescript, which uses the JS compiler API that tsgo does not
expose until 7.1.
pnpm-workspace.yaml gains minimum-release-age exclusions for the
freshly released typescript 7 packages.
* Address review: null-safe splitTextLines spread, typed hook test cases
Replace the @ts-ignore-only approach with a real null guard
(splitTextLines(text) ?? []) in TextLinesMutator.insert, and replace
the any[] cast in hooks.ts with an explicit HookFnTestCase type so the
concatenated test cases stay shape-checked.
* Type _curSplice as [number, number, ...string[]], drop 21 ts-ignores
The tuple was declared [number, number?] but it actually carries the
lines to insert after the two splice numbers (the JSDoc already said
so). Typing it correctly removes every curSplice-related ts-ignore in
the file, including the one added earlier in this branch. The two
remaining ignores are about StringArrayLike lines, unrelated to this
migration.
No behavior change: types and casts only. tsc --noEmit clean,
easysync mutation tests pass.
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Co-authored-by: SamTV12345 <40429738+samtv12345@users.noreply.github.com>
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