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fix(IPC-23,IPC-24,IPC-25,IPC-32): proto-comment regen wave + codegen-freshness guards

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Proto comments (comment-only, no wire change):
- mxaccess_worker.proto GatewayHello.max_frame_bytes: every worker->gateway frame
  must serialize within the negotiated max; reply builders truncate (IPC-23).
- mxaccess_gateway.proto DrainEventsReply: count-cap + byte-cap, drain-until-empty
  caller contract (IPC-23).
- mxaccess_gateway.proto ReplayGap.oldest_available_sequence: empty-ring value is
  highest-observed+1, oldest-1 resume formula stays valid (GWC-25 deferred amendment).

Regen wave: Contracts/Generated (C# XML doc), rust vendored protos (byte-copy),
Go bindings (worker binding was genuinely stale - lacked MaxFrameBytes entirely),
Python worker _pb2 (real descriptor delta), Java aggregates (javadoc, zero
protobuf-version churn under the pinned toolchain), client descriptor set.

IPC-24: pinned Java toolchain regenerates with no gencode-version churn, so the
unconditional churn-revert step in ci.yml is a fossil - deleted it; git diff is
now a true message-level drift gate for the single-file Java aggregates.

IPC-25: pin protoc-gen-go v1.36.11 / protoc-gen-go-grpc 1.6.2 in the Go generate
script (+ fix a latent pwsh-7 parse bug); add Check 4 to check-codegen.ps1
(regenerate Go+Python bindings, fail on diff, tool-missing fails not skips); add
the pinned-generator installs to the portable CI job.

IPC-32: relabel check-codegen banners 1/4..4/4 (folded into the Check 4 edit).

Docs: ClientProtoGeneration.md, Contracts.md, GatewayTesting.md, build.gradle
checkGeneratedClean caveat. Tracking: IPC-23/24/25/32 -> Done, GWC-25 proto note
resolved, change-log 2026-08-07.
This commit is contained in:
Joseph Doherty
2026-08-07 07:32:22 -04:00
parent 97f79e79ef
commit eacdd2d453
22 changed files with 469 additions and 82 deletions
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archreview/2026-07-12/remediation/30-contracts-ipc.md
+4 -4
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@@ -12,16 +12,16 @@ All `path:line` citations were re-verified against the working tree at `4f5371f`
| ID | Sev | Tier | Eff | Dep | Status | Title |
|----|-----|------|-----|-----|--------|-------|
| IPC-23 | Medium | P0 | S¹ | WRK-21 | In progress — mechanics landed with WRK-21; proto-comment/doc wave pending | DrainEvents bound is count-based only; byte-heavy queue still builds a session-killing reply frame (contract requirements here; fix mechanics in WRK-21) |
| IPC-24 | Medium | P0 | S | — | Not started | CI's unconditional Java churn-revert masks real generated-code drift for message-level proto changes |
| IPC-25 | Medium | P0 | M | — | Not started | Committed Go/Python worker bindings are stale at HEAD; no guard covers them |
| IPC-23 | Medium | P0 | S¹ | WRK-21 | Done | DrainEvents bound is count-based only; byte-heavy queue still builds a session-killing reply frame (contract requirements here; fix mechanics in WRK-21) |
| IPC-24 | Medium | P0 | S | — | Done | CI's unconditional Java churn-revert masks real generated-code drift for message-level proto changes |
| IPC-25 | Medium | P0 | M | — | Done | Committed Go/Python worker bindings are stale at HEAD; no guard covers them |
| IPC-26 | Low | P2 | S¹ | WRK-22 | Not started | Cancelled write leaves a ghost frame that is still written (contract requirement here; fix mechanics in WRK-22) |
| IPC-27 | Low | P2 | S | — | Not started | Descriptor freshness test blind to enums, enum values, services/methods, and the Galaxy contract |
| IPC-28 | Low | — | S | — | Not started | `docs/Grpc.md` omits the `CommandTooLarge` → `ResourceExhausted` mapping |
| IPC-29 | Low | — | S | — | Not started | Worker writer priority scheduling and write-time sequence stamping undocumented in the frame-protocol doc |
| IPC-30 | Low | P0 | M | WRK-21 (same file/batch) | Done | Oversized worker→gateway event frame is session-fatal — make the death deliberate, structured, and diagnosable |
| IPC-31 | Info | — | — | — | N/A | Gateway stamps sequence at creation, worker at write — accepted divergence; sequence is documented diagnostic-only (`gateway.md:328-330`); revisit only if sequence ever becomes load-bearing |
| IPC-32 | Info | — | S | IPC-25 | Not started | `check-codegen.ps1` check labels miscounted (folded into the IPC-25 script edit) |
| IPC-32 | Info | — | S | IPC-25 | Done | `check-codegen.ps1` check labels miscounted (folded into the IPC-25 script edit) |
¹ Effort for the work owned by *this* plan (proto comments + docs + acceptance criteria). The code mechanics are M and are tracked under WRK-21 / WRK-22 in the worker plan.