## Why The generated unnamespaced JSON envelope schemas (`ClientRequest` and `ServerNotification`) still contained both v1 and v2 variants, which pulled legacy v1/core types and v2 types into the same `definitions` graph. That caused `schemars` to produce numeric suffix names (for example `AskForApproval2`, `ByteRange2`, `MessagePhase2`). This PR moves JSON codegen toward v2-only output while preserving the unnamespaced envelope artifacts, and avoids reintroducing numeric-suffix tolerance by removing the v1/internal-only variants that caused the collisions in those envelope schemas. ## What Changed - In `codex-rs/app-server-protocol/src/export.rs`, JSON generation now excludes v1 schema artifacts (`v1/*`) while continuing to emit unnamespaced/root JSON schemas and the JSON bundle. - Added a narrow JSON v1 allowlist (`JSON_V1_ALLOWLIST`) so `InitializeParams` and `InitializeResponse` are still emitted. - Added JSON-only post-processing for the mixed envelope schemas before collision checks run: - `ClientRequest`: strips v1 request variants from the generated `oneOf` using the temporary `V1_CLIENT_REQUEST_METHODS` list - `ServerNotification`: strips v1 notifications plus the internal-only `rawResponseItem/completed` notification using the temporary `EXCLUDED_SERVER_NOTIFICATION_METHODS_FOR_JSON` list - Added a temporary local-definition pruning pass for those envelope schemas so now-unreferenced v1/core definitions are removed from `definitions` after method filtering. - Updated the variant-title naming heuristic for single-property literal object variants to use the literal value (when available), avoiding collisions like multiple `state`-only variants all deriving the same title. - Collision handling remains fail-fast (no numeric suffix fallback map in this PR path). ## Verification - `just write-app-server-schema` --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/openai/codex/pull/12408). * __->__ #12408 * #12406 |
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