[Pijukatel]

Summary

Syncs the Rust client with OpenAPI spec v2-2026-11-09T143926Z (apify/apify-docs#3084, #3199) and apify-client-js #1198, #1200 and #1205. Applies requirement updates from apify/apify-client-orchestration#66 and #67, and cleans up docs and comments. The crate version goes to 0.17.0 (breaking).

Spec sync

• API_SPEC_VERSION is v2-2026-11-09T143926Z.
• #3084: ActorVersion::actor_path was already present.
• #3199: adds zstd to the documented Content-Encoding values.

zstd request compression (JS #1200)

• New ZstdHttpCompressor (quality 1–19, default 3) and RequestCompression::Zstd.
• Behind a new zstd cargo feature, on by default, because the zstd crate builds a C library. CI has a "Clippy without zstd" step.
• With default-features = false the TLS backend is dropped too, so the README says to enable native-tls or rustls explicitly.

parent_request_id for Server Actor requests (JS #1198)

• New ActorServerRequestOptions::parent_request_id, sent as X-Actor-Request-ID. It replaces any header with the same name, whatever its case.
• It is a field on the options struct, like the JS parentRequestId option and the other options structs in this client.
• docs/actors.md has a new section with a runnable snippet.
• JS #1205 only regenerates JS types, so nothing was ported.

Docs and comments cleanup

• Removed reference-client provenance notes, mentions of sibling clients, regression-test narratives, comments that restate the code, and accessor banners across src, tests, examples, README.md and docs/.
• Shortened the longest rustdoc blocks and fixed install snippets that still said 0.15.

Tests

• Unit tests for zstd and parent_request_id.
• Live key-value store test for a zstd upload.

Breaking changes

• ActorServerRequestOptions gained a field, so struct literals without ..Default::default() no longer compile. Listed in the CHANGELOG.

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