feat(scala): add scala schema idl support#3681
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chaokunyang merged 9 commits intoMay 15, 2026
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## Why? ## What does this PR do? ## Related issues #3681 ## AI Contribution Checklist - [ ] Substantial AI assistance was used in this PR: `yes` / `no` - [ ] If `yes`, I included a completed [AI Contribution Checklist](https://github.com/apache/fory/blob/main/AI_POLICY.md#9-contributor-checklist-for-ai-assisted-prs) in this PR description and the required `AI Usage Disclosure`. - [ ] If `yes`, my PR description includes the required `ai_review` summary and screenshot evidence of the final clean AI review results from both fresh reviewers on the current PR diff or current HEAD after the latest code changes. ## Does this PR introduce any user-facing change? - [ ] Does this PR introduce any public API change? - [ ] Does this PR introduce any binary protocol compatibility change? ## Benchmark
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Why?
Scala did not have schema IDL generation and xlang round-trip coverage alongside the other compiler targets. This PR adds the compiler, runtime, documentation, and CI coverage needed for Scala generated schemas to interoperate through Fory xlang.
What does this PR do?
--scala_out, generator registration, Scala 3 code generation, nested type handling, unions, enums, field options, nullability, reference annotations, and package-option tests.ForySerializerderivation macros, Scala enum handling, Scala collection serializers, and dispatcher registration.Related issues
AI Contribution Checklist
yes/noyes, I included a completed AI Contribution Checklist in this PR description and the requiredAI Usage Disclosure.yes, my PR description includes the requiredai_reviewsummary and screenshot evidence of the final clean AI review results from both fresh reviewers on the current PR diff or current HEAD after the latest code changes.Does this PR introduce any user-facing change?
Adds Scala compiler output options, Scala serializer derivation/registration APIs, and Java annotations/runtime hooks used by generated serializers. It documents Scala xlang mappings without changing existing binary protocol compatibility.
Benchmark
Not applicable.