QVAC-23904 chore[bc]: remove the retired onnx addon from the monorepo

docs/architecture/ADDON-FUZZING.md

@@ -43,11 +43,9 @@ libFuzzer).
 ## Scope
 
 Scope is **every QVAC native addon** — all packages whose `package.json`
-declares `"addon": true` — **except the ONNX Runtime addons** (`onnx`,
-`ocr-onnx`), which are out of scope for this effort. The in-scope addons are
-C++20 Bare addons built with CMake + vcpkg on the centrally-pinned
-**clang-22 / libc++** toolchain, linked against `ggml` / `llama.cpp` /
-`whisper.cpp` / `stable-diffusion.cpp`.
+declares `"addon": true`. The in-scope addons are C++20 Bare addons built with
+CMake + vcpkg on the centrally-pinned **clang-22 / libc++** toolchain, linked
+against `ggml` / `llama.cpp` / `whisper.cpp` / `stable-diffusion.cpp`.
 
 ### Addon inventory
 
@@ -67,9 +65,6 @@ C++20 Bare addons built with CMake + vcpkg on the centrally-pinned
 | `diffusion-cpp` | stable-diffusion.cpp | image / video generation | ✅ |
 | `fabric` | shared ggml + llama.cpp runtime host | infra (no direct input parsing) | ❌ |
 
-The ONNX Runtime addons (`onnx`, `ocr-onnx`) are intentionally excluded from
-this effort and are not listed above.
-
 Fuzzing targets **pure parse/transform functions** that consume
 attacker-influenceable bytes. It deliberately does **not** target full
 `runJob` / end-to-end inference paths (non-deterministic, backend-stateful, and
@@ -357,7 +352,7 @@ rest come from vcpkg is what would put two Abseils in one link.
 `ports/abseil/` in `qvac-registry-vcpkg`, at version `20260526.0`. It replaces the
 previous onnxruntime-pinned port (`version-string: "onnxruntime"`, Abseil
 `20240722.0`) **at HEAD only**: both old entries stay in `versions/a-/abseil.json`,
-so `ocr-onnx` keeps resolving what it resolves today from its pinned baseline. The
+so anything on an older baseline keeps resolving what it resolves today. The
 manifest asks for `abseil[asan]` with `"version>=": "20260526.0"`, so the floor is
 stated where the dependency is declared rather than left to the baseline.
 
@@ -429,9 +424,9 @@ headers carry no stability promise. A FuzzTest bump should re-check the closure
 above (`rg '#include "(re2|util)/' fuzztest-src/fuzztest/`) before bumping the
 port.
 
-Nothing else resolves `re2` from this registry: `packages/onnx` and
-`packages/translation-nmtcpp` both route it to the Microsoft registry through
-their `vcpkg-configuration.json` allowlists.
+Nothing else resolves `re2` from this registry: `packages/translation-nmtcpp`
+routes it to the Microsoft registry through its `vcpkg-configuration.json`
+allowlist.
 
 ### The `fuzztest` registry port
 

docs/repository-layout.md

@@ -21,7 +21,6 @@ Legend:
 | langdetect-text | Language detection library providing an interface for detecting the language of given text | Addon |
 | llm-llamacpp | Native C++ addon for running Large Language Models (LLMs) via `qvac-fabric-llm.cpp` | Addon |
 | ocr-ggml | Optical Character Recognition (OCR) addon (EasyOCR pipeline) on the GGML backend | Addon |
-| onnx | Bare addon for ONNX Runtime session management | Addon |
 | rag | JavaScript library for Retrieval-Augmented Generation (RAG) with document ingestion, vector search, and LLM integration | Addon |
 | transcription-parakeet | Speech-to-text (ASR) and Sortformer speaker-diarization addon using NVIDIA Parakeet models | Addon |
 | transcription-whispercpp | Whisper-based audio transcription addon via `qvac-ext-lib-whisper.cpp` | Addon |

packages/fabric/README.md

@@ -7,9 +7,9 @@ npm dependency and dynamically link against it, so the multi-hundred-megabyte
 llama/ggml runtime is **built once** and **loaded once per process** instead of
 being statically embedded into every addon.
 
-It is modeled on [`@qvac/onnx`](../onnx) and follows the same
-npm + `prebuilds/` + `include_bare_module(... PREBUILD)` + companion-`.bare`
-pattern. See [INTEGRATION.md](./INTEGRATION.md) for the consumer guide.
+It follows the npm + `prebuilds/` + `include_bare_module(... PREBUILD)` +
+companion-`.bare` pattern. See [INTEGRATION.md](./INTEGRATION.md) for the
+consumer guide.
 
 ## What it ships
 

packages/ocr-ggml/.agent/knowledge/vcpkg-management.md

@@ -279,22 +279,6 @@ Triplets that genuinely differ from the shared defaults stay in the package's ow
 - **parakeet / tts-onnx**: a `x64-linux.cmake` variant that adds `-Wno-array-bounds`,
   plus their macOS/iOS triplets. Local linux triplets chainload the shared
   toolchain via `${CMAKE_CURRENT_LIST_DIR}/../../../../vcpkg-overlays/toolchains/linux-clang.cmake`.
-- **onnx**: keeps `vcpkg-override-triplets/triplets/` (apple/unix/android), layered
-  ahead of the shared folder.
-
-#### ONNX Packages — Release-Only Triplets
-
-Location: `packages/onnx/vcpkg-override-triplets/triplets/` and the local
-`vcpkg/triplets/` of `tts-onnx`, `transcription-parakeet`.
-
-These local triplets set `VCPKG_BUILD_TYPE release` to halve build time and disk
-usage, and platform-specific deployment targets (e.g., iOS 13.3):
-
-```cmake
-set(VCPKG_BUILD_TYPE release)
-set(VCPKG_LIBRARY_LINKAGE static)
-```
-
 ## Overlay Ports
 
 Overlay ports let a package override a registry port with a local version. They are declared in `vcpkg-configuration.json`: