perf: replace json-schema-to-typescript with a built-in emitter (-12 MB install)

[l2ysho]

Closes #1310. Part of #1305.

TLDR;

• removed json-schema-to-typescript completely as majority of package was not used
• src/lib/schema-to-typescript.ts generates ts "by hand" now
• test 🟢 but we should AB test this on some complex input schema
• more info below

---

json-schema-to-typescript was the largest single install-size lever in the CLI. It served one command — actor generate-schema-types — and dragged in prettier, lodash and js-yaml. Replaced by src/lib/schema-to-typescript.ts (~270 lines).

Why a rewrite and not just dropping the formatting

json-schema-to-typescript@15 imports prettier at module top level, so format: false still ships all 9.5 MB. It's one dependency or zero.

Zero was viable because every option at the old call site turned a feature off: maxItems: -1 disabled tuple expansion, $refOptions disabled all remote resolution, and stripTitles (75 lines) existed purely to stop the library hoisting named interfaces. The command used a fraction of a general-purpose compiler at full price.

Install size

Metric	master	this branch	Change
Full install (with dependencies)	55.61 MB	43.55 MB	−12.06 MB (−21.7%)
Unpacked package	1.20 MB	1.21 MB	+0.01 MB
Tarball download	0.30 MB	0.31 MB	+0.01 MB

prettier, lodash, js-yaml and @apidevtools/json-schema-ref-parser leave the production graph entirely.

Behaviour

Output is byte-identical to the old library on every repo schema fixture, strict and non-strict.

• stripTitles deleted — the new emitter ignores title, so it was a no-op.
• Fixes two cases that previously emitted code that does not compile: a narrower index signature alongside optional members (TS2411), and */ inside a description terminating the generated JSDoc.
• properties alongside allOf/anyOf/oneOf is now intersected in rather than silently dropped.
• KVS collection names that collide as identifiers (my-store / my_store) get suffixed instead of emitting duplicate interfaces.

Accepted costs

• Generated files are no longer prettier-formatted, so the first regeneration after upgrading shows whitespace churn. Content is unchanged on all fixtures.
• Recursive $refs render as unknown; minItems/additionalItems tuple expansion is dropped. No Apify schema uses either, and the single-declaration design — previously enforced by stripTitles — cannot express recursion.

Follow-up

BANNER_COMMENT still emits /* prettier-ignore-start */ with no matching -end. Stale before this change, now doubly so; left alone as out of scope.

🤖 Generated with Claude Code