diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
new file mode 100644
index 0000000..ead725e
--- /dev/null
+++ b/.github/workflows/codspeed.yml
@@ -0,0 +1,55 @@
+# SPDX-FileCopyrightText: 2025-2026 RAprogramm <andrey.rozanov.vl@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+
+name: CodSpeed
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  # Allows CodSpeed to trigger backtest performance analysis
+  # in order to generate initial data.
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+permissions:
+  contents: read
+  id-token: write # OpenID Connect authentication with CodSpeed
+
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_INCREMENTAL: 0
+
+jobs:
+  codspeed:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: codspeed
+          save-if: ${{ github.ref == 'refs/heads/main' }}
+
+      - name: Install cargo-codspeed
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-codspeed
+
+      - name: Build the benchmark targets
+        run: cargo codspeed build -m simulation --features benchmarks
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@v5
+        with:
+          mode: simulation
+          run: cargo codspeed run -m simulation
diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 653dc67..8da3ef1 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -627,17 +627,17 @@ CI tests on MSRV (1.99) and stable to prevent accidental newer Rust usage.
 
 **Minimal setup** (library use):
 ```toml
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 **HTTP service**:
 ```toml
-masterror = { version = "0.31.1", features = ["std", "axum", "tracing"] }
+masterror = { version = "0.32.0", features = ["std", "axum", "tracing"] }
 ```
 
 **Full-stack service**:
 ```toml
-masterror = { version = "0.31.1", features = [
+masterror = { version = "0.32.0", features = [
     "std", "axum", "sqlx", "reqwest", "redis",
     "tracing", "metrics", "backtrace"
 ] }
@@ -645,7 +645,7 @@ masterror = { version = "0.31.1", features = [
 
 **Rapid prototype**:
 ```toml
-masterror = { version = "0.31.1", features = ["turnkey"] }
+masterror = { version = "0.32.0", features = ["turnkey"] }
 ```
 
 ### Error Budget
diff --git a/Cargo.lock b/Cargo.lock
index 2da7e1f..7d79b70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -183,15 +183,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "alloca"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5a7d05ea6aea7e9e64d25b9156ba2fee3fdd659e34e41063cd2fc7cd020d7f4"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "allocator-api2"
 version = "0.2.21"
@@ -225,6 +216,15 @@ version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
 
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "ar_archive_writer"
 version = "0.5.3"
@@ -505,6 +505,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e7648175b45a9a48536d676f68d918270699102aa8dab5496df06904c914600"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f079e83a288787bcd14a6aea84cee5c87a67c5a3e660c30f557a3d24761b3527"
+
 [[package]]
 name = "chacha20"
 version = "0.10.2"
@@ -588,6 +594,72 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c9ea0ac24bc397ab3c98583a3c9ba74fa56b09a4449bbe172b9b1ddb016027a"
 
+[[package]]
+name = "codspeed"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e7c21807b937b8e535f2745cd83c525fc250524021cd662b9ba4d3e399bb504"
+dependencies = [
+ "anyhow",
+ "cc",
+ "colored",
+ "getrandom 0.4.3",
+ "glob",
+ "nix",
+ "serde",
+ "serde_json",
+ "statrs",
+]
+
+[[package]]
+name = "codspeed-criterion-compat"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a14939cf9e46182bdfbf6de618a8a110361c15a27eccff8f5ad4380249e9c14"
+dependencies = [
+ "clap",
+ "codspeed",
+ "codspeed-criterion-compat-walltime",
+ "colored",
+ "regex",
+]
+
+[[package]]
+name = "codspeed-criterion-compat-walltime"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af785573a72d17af663e661a45e1d617a2bab9f3a13a219ca0ae6ef9412ea1d8"
+dependencies = [
+ "anes",
+ "cast",
+ "ciborium",
+ "clap",
+ "codspeed",
+ "criterion-plot",
+ "is-terminal",
+ "itertools",
+ "num-traits",
+ "once_cell",
+ "oorandom",
+ "plotters",
+ "rayon",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
+[[package]]
+name = "colored"
+version = "3.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "combine"
 version = "4.6.9"
@@ -723,36 +795,11 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "217698eaf96b4a3f0bc4f3662aaa55bdf913cd54d7204591faa790070c6d0853"
 
-[[package]]
-name = "criterion"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "950046b2aa2492f9a536f5f4f9a3de7b9e2476e575e05bd6c333371add4d98f3"
-dependencies = [
- "alloca",
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot",
- "itertools",
- "num-traits",
- "oorandom",
- "page_size",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
 [[package]]
 name = "criterion-plot"
-version = "0.8.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8d80a2f4f5b554395e47b5d8305bc3d27813bacb73493eb1001e8f76dae29ea"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
 dependencies = [
  "cast",
  "itertools",
@@ -1888,9 +1935,9 @@ checksum = "7655c9839580ee829dfacba1d1278c2b7883e50a277ff7541299489d6bdfdc45"
 
 [[package]]
 name = "itertools"
-version = "0.13.0"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
 dependencies = [
  "either",
 ]
@@ -2051,8 +2098,8 @@ dependencies = [
  "actix-web",
  "anyhow",
  "axum",
+ "codspeed-criterion-compat",
  "config",
- "criterion",
  "http 1.5.0",
  "init-data-rs",
  "itoa",
@@ -2194,6 +2241,18 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "743fb55ba31b18fb1ecef6bdc9aa2743314978ac084044301a7eee33fb99a20d"
 
+[[package]]
+name = "nix"
+version = "0.31.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf20d2fde8ff38632c426f1165ed7436270b44f199fc55284c38276f9db47c3d"
+dependencies = [
+ "bitflags 2.13.2",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "no-std-core"
 version = "0.1.0"
@@ -2329,16 +2388,6 @@ dependencies = [
  "supports-color 3.0.2",
 ]
 
-[[package]]
-name = "page_size"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d5b2194ed13191c1999ae0704b7839fb18384fa22e49b57eeaa97d79ce40da"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "parking"
 version = "2.2.1"
@@ -3338,6 +3387,16 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "statrs"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a3fe7c28c6512e766b0874335db33c94ad7b8f9054228ae1c2abd47ce7d335e"
+dependencies = [
+ "approx",
+ "num-traits",
+]
+
 [[package]]
 name = "stringprep"
 version = "0.1.5"
@@ -4138,22 +4197,6 @@ version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "626c4bac6755d76ffc12cb01b2eac751db1996b9e0041de9aa02c8c211ddc82c"
 
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -4163,12 +4206,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-core"
 version = "0.62.2"
diff --git a/Cargo.toml b/Cargo.toml
index da55f10..711ac62 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -146,7 +146,7 @@ owo-colors = { version = "4", optional = true, default-features = false, feature
 
 [dev-dependencies]
 anyhow = { version = "1", default-features = false, features = ["std"] }
-criterion = "0.8"
+criterion = { version = "6.0.0", package = "codspeed-criterion-compat" }
 serde_json = "1"
 thiserror = "2"
 tokio = { version = "1", features = [
@@ -169,6 +169,10 @@ harness = false
 name = "comparison"
 harness = false
 
+[[bench]]
+name = "response_mapping"
+harness = false
+
 [build-dependencies]
 serde = { version = "1", features = ["derive"] }
 toml = "1"
diff --git a/README.ko.md b/README.ko.md
index c563c23..04417ac 100644
--- a/README.ko.md
+++ b/README.ko.md
@@ -139,9 +139,9 @@ SPDX-License-Identifier: MIT
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -555,7 +555,7 @@ match mode {
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["colored"] }
+masterror = { version = "0.32.0", features = ["colored"] }
 ~~~
 
 `colored` 기능 없이 오류는 `AppErrorKind` 레이블을 표시합니다:
diff --git a/README.md b/README.md
index b889782..6b2dc93 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ SPDX-License-Identifier: MIT
   [![codecov](https://codecov.io/gh/RAprogramm/masterror/graph/badge.svg?token=V9JQDTZLXH)](https://codecov.io/gh/RAprogramm/masterror)
 
   [![CI](https://github.com/RAprogramm/masterror/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/RAprogramm/masterror/actions/workflows/ci.yml?query=branch%3Amain)
+  [![CodSpeed](https://img.shields.io/endpoint?url=https://codspeed.io/badge.json)](https://app.codspeed.io/RAprogramm/masterror?utm_source=badge)
   [![Hits-of-Code](https://hitsofcode.com/github/RAprogramm/masterror?branch=main&exclude=Cargo.lock,.gitignore,CHANGELOG.md)](https://hitsofcode.com/github/RAprogramm/masterror/view?branch=main&exclude=Cargo.lock,.gitignore,CHANGELOG.md)
   [![IMIR](https://raw.githubusercontent.com/RAprogramm/infra-metrics-insight-renderer/main/assets/badges/imir-badge-simple-public.svg)](https://github.com/RAprogramm/infra-metrics-insight-renderer)
 
@@ -174,9 +175,9 @@ The build script keeps the full feature snippet below in sync with
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -701,7 +702,7 @@ never contains escape sequences:
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["colored"] }
+masterror = { version = "0.32.0", features = ["colored"] }
 ~~~
 
 </details>
diff --git a/README.ru.md b/README.ru.md
index 673e8c2..b73916c 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -140,9 +140,9 @@ SPDX-License-Identifier: MIT
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -561,7 +561,7 @@ match mode {
 
 ~~~toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["colored"] }
+masterror = { version = "0.32.0", features = ["colored"] }
 ~~~
 
 Без функции `colored` ошибки отображают метку `AppErrorKind`:
diff --git a/README.template.md b/README.template.md
index f9cbb34..f474226 100644
--- a/README.template.md
+++ b/README.template.md
@@ -20,6 +20,7 @@ SPDX-License-Identifier: MIT
   [![codecov](https://codecov.io/gh/RAprogramm/masterror/graph/badge.svg?token=V9JQDTZLXH)](https://codecov.io/gh/RAprogramm/masterror)
 
   [![CI](https://github.com/RAprogramm/masterror/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/RAprogramm/masterror/actions/workflows/ci.yml?query=branch%3Amain)
+  [![CodSpeed](https://img.shields.io/endpoint?url=https://codspeed.io/badge.json)](https://app.codspeed.io/RAprogramm/masterror?utm_source=badge)
   [![Hits-of-Code](https://hitsofcode.com/github/RAprogramm/masterror?branch=main&exclude=Cargo.lock,.gitignore,CHANGELOG.md)](https://hitsofcode.com/github/RAprogramm/masterror/view?branch=main&exclude=Cargo.lock,.gitignore,CHANGELOG.md)
   [![IMIR](https://raw.githubusercontent.com/RAprogramm/infra-metrics-insight-renderer/main/assets/badges/imir-badge-simple-public.svg)](https://github.com/RAprogramm/infra-metrics-insight-renderer)
 
diff --git a/benches/response_mapping.rs b/benches/response_mapping.rs
new file mode 100644
index 0000000..930da69
--- /dev/null
+++ b/benches/response_mapping.rs
@@ -0,0 +1,91 @@
+// SPDX-FileCopyrightText: 2025-2026 RAprogramm <andrey.rozanov.vl@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+//! Benchmarks for the transport-facing hot paths: building `AppError`
+//! values with metadata, mapping them to wire responses and serializing the
+//! resulting payloads.
+
+use core::str::FromStr;
+use std::hint::black_box;
+
+use criterion::{BatchSize, Criterion, criterion_group, criterion_main};
+use masterror::{AppCode, AppError, ErrorResponse, ProblemJson, field};
+
+fn build_rich_error() -> AppError {
+    AppError::service("upstream service unavailable")
+        .with_code(AppCode::Service)
+        .with_field(field::str("operation", "sync_job"))
+        .with_field(field::u64("attempt", 3))
+        .with_field(field::bool("idempotent", true))
+        .with_retry_after_secs(30)
+        .with_www_authenticate("Bearer realm=\"api\"")
+}
+
+fn app_error_builder(c: &mut Criterion) {
+    let mut group = c.benchmark_group("app_error_builder");
+    group.bench_function("simple", |b| {
+        b.iter(|| black_box(AppError::not_found(black_box("user not found"))));
+    });
+    group.bench_function("with_metadata", |b| {
+        b.iter(|| black_box(build_rich_error()));
+    });
+    group.finish();
+}
+
+fn app_code_parse(c: &mut Criterion) {
+    let mut group = c.benchmark_group("app_code_parse");
+    group.bench_function("builtin", |b| {
+        b.iter(|| black_box(AppCode::from_str(black_box("NOT_FOUND"))));
+    });
+    group.bench_function("custom", |b| {
+        b.iter(|| black_box(AppCode::from_str(black_box("PAYMENT_DECLINED"))));
+    });
+    group.finish();
+}
+
+fn error_response_mapping(c: &mut Criterion) {
+    let mut group = c.benchmark_group("error_response_mapping");
+    group.bench_function("from_ref", |b| {
+        let error = build_rich_error();
+        b.iter(|| black_box(ErrorResponse::from(black_box(&error))));
+    });
+    group.bench_function("from_owned", |b| {
+        b.iter_batched(
+            build_rich_error,
+            |error| black_box(ErrorResponse::from(error)),
+            BatchSize::SmallInput
+        );
+    });
+    group.finish();
+}
+
+fn serialize_json(c: &mut Criterion) {
+    let mut group = c.benchmark_group("serialize_json");
+    group.bench_function("error_response", |b| {
+        let response = ErrorResponse::from(&build_rich_error());
+        b.iter(|| black_box(serde_json::to_vec(black_box(&response)).unwrap()));
+    });
+    group.bench_function("problem_json", |b| {
+        let problem = ProblemJson::from_app_error(build_rich_error());
+        b.iter(|| black_box(serde_json::to_vec(black_box(&problem)).unwrap()));
+    });
+    group.finish();
+}
+
+fn display_render(c: &mut Criterion) {
+    let error = build_rich_error();
+    c.bench_function("display_render/app_error", |b| {
+        b.iter(|| black_box(black_box(&error).to_string()));
+    });
+}
+
+criterion_group!(
+    benches,
+    app_error_builder,
+    app_code_parse,
+    error_response_mapping,
+    serialize_json,
+    display_render
+);
+criterion_main!(benches);
diff --git a/masterror-derive/README.md b/masterror-derive/README.md
index ad55c82..e4bf8bb 100644
--- a/masterror-derive/README.md
+++ b/masterror-derive/README.md
@@ -22,7 +22,7 @@ Procedural macros that power [`masterror`](https://crates.io/crates/masterror)'s
 
 ```toml
 [dependencies]
-masterror = "0.31.1"
+masterror = "0.32.0"
 ```
 
 ```rust
diff --git a/wiki/Feature-Flags-en.md b/wiki/Feature-Flags-en.md
index 7fab851..0c775b2 100644
--- a/wiki/Feature-Flags-en.md
+++ b/wiki/Feature-Flags-en.md
@@ -4,9 +4,9 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -87,37 +87,37 @@ Without any feature flag, `AppError` already converts from:
 REST API on Axum with problem+json, OpenAPI docs and tracing:
 
 ```toml
-masterror = { version = "0.31.1", features = ["axum", "openapi", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "openapi", "serde_json", "tracing"] }
 ```
 
 Database service with sqlx, migrations and metrics:
 
 ```toml
-masterror = { version = "0.31.1", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
+masterror = { version = "0.32.0", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
 ```
 
 gRPC service:
 
 ```toml
-masterror = { version = "0.31.1", features = ["tonic", "tracing", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tonic", "tracing", "backtrace"] }
 ```
 
 Telegram bot with Mini App auth:
 
 ```toml
-masterror = { version = "0.31.1", features = ["teloxide", "init-data", "reqwest", "tokio"] }
+masterror = { version = "0.32.0", features = ["teloxide", "init-data", "reqwest", "tokio"] }
 ```
 
 WASM front-end:
 
 ```toml
-masterror = { version = "0.31.1", features = ["frontend", "serde_json"] }
+masterror = { version = "0.32.0", features = ["frontend", "serde_json"] }
 ```
 
 `no_std` embedded or library target:
 
 ```toml
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## Notes
diff --git a/wiki/Getting-Started-en.md b/wiki/Getting-Started-en.md
index 8f19fc5..1f13002 100644
--- a/wiki/Getting-Started-en.md
+++ b/wiki/Getting-Started-en.md
@@ -8,14 +8,14 @@ The default build enables only the `std` feature — no web framework, no teleme
 
 ```toml
 [dependencies]
-masterror = "0.31.1"
+masterror = "0.32.0"
 ```
 
 Enable integrations as you need them (see [Feature Flags](Feature-Flags-en) for the full list):
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "serde_json", "tracing"] }
 ```
 
 MSRV is **1.99**. The crate forbids `unsafe` and supports `no_std` when built with `default-features = false`.
diff --git a/wiki/No-Std-en.md b/wiki/No-Std-en.md
index a411775..599d847 100644
--- a/wiki/No-Std-en.md
+++ b/wiki/No-Std-en.md
@@ -6,7 +6,7 @@ the only thing standing between you and an embedded/WASM-friendly build:
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## alloc is required
@@ -87,7 +87,7 @@ Library crates that want to stay transport-agnostic and `no_std`-compatible:
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 
 [features]
 std = ["masterror/std"]
@@ -98,7 +98,7 @@ needs:
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "tracing", "metrics"] }
+masterror = { version = "0.32.0", features = ["axum", "tracing", "metrics"] }
 ```
 
 Because `AppErrorKind`, `AppCode` and the wire types live in the `no_std`
diff --git a/wiki/Observability-en.md b/wiki/Observability-en.md
index 0d3a326..8b85c3f 100644
--- a/wiki/Observability-en.md
+++ b/wiki/Observability-en.md
@@ -17,7 +17,7 @@ You rarely call anything manually.
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["tracing", "metrics", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tracing", "metrics", "backtrace"] }
 ```
 
 ## Tracing
diff --git a/wiki/Web-Frameworks-en.md b/wiki/Web-Frameworks-en.md
index b3cf647..e1f706e 100644
--- a/wiki/Web-Frameworks-en.md
+++ b/wiki/Web-Frameworks-en.md
@@ -18,7 +18,7 @@ the mapping by hand.
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum"] }   # or ["actix"]
+masterror = { version = "0.32.0", features = ["axum"] }   # or ["actix"]
 ```
 
 ## Wire format
diff --git "a/wiki/no_std-\354\247\200\354\233\220.md" "b/wiki/no_std-\354\247\200\354\233\220.md"
index 2666824..15acbd5 100644
--- "a/wiki/no_std-\354\247\200\354\233\220.md"
+++ "b/wiki/no_std-\354\247\200\354\233\220.md"
@@ -6,7 +6,7 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## alloc 필요
@@ -87,7 +87,7 @@ assert_eq!(err.metadata().len(), 1);
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 
 [features]
 std = ["masterror/std"]
@@ -97,7 +97,7 @@ std = ["masterror/std"]
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "tracing", "metrics"] }
+masterror = { version = "0.32.0", features = ["axum", "tracing", "metrics"] }
 ```
 
 `AppErrorKind`, `AppCode` 및 와이어 타입이 `no_std` 코어에 있기 때문에,
diff --git "a/wiki/\320\221\320\265\320\267-std.md" "b/wiki/\320\221\320\265\320\267-std.md"
index 54932ce..cbdd86d 100644
--- "a/wiki/\320\221\320\265\320\267-std.md"
+++ "b/wiki/\320\221\320\265\320\267-std.md"
@@ -7,7 +7,7 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## alloc обязателен
@@ -90,7 +90,7 @@ CI-задача `no_std` (`.github/workflows/ci.yml`) проверяет эти
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 
 [features]
 std = ["masterror/std"]
@@ -100,7 +100,7 @@ std = ["masterror/std"]
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "tracing", "metrics"] }
+masterror = { version = "0.32.0", features = ["axum", "tracing", "metrics"] }
 ```
 
 Поскольку `AppErrorKind`, `AppCode` и типы на проводе живут в ядре `no_std`,
diff --git "a/wiki/\320\222\320\265\320\261-\321\204\321\200\320\265\320\271\320\274\320\262\320\276\321\200\320\272\320\270.md" "b/wiki/\320\222\320\265\320\261-\321\204\321\200\320\265\320\271\320\274\320\262\320\276\321\200\320\272\320\270.md"
index ea932bf..c830b83 100644
--- "a/wiki/\320\222\320\265\320\261-\321\204\321\200\320\265\320\271\320\274\320\262\320\276\321\200\320\272\320\270.md"
+++ "b/wiki/\320\222\320\265\320\261-\321\204\321\200\320\265\320\271\320\274\320\262\320\276\321\200\320\272\320\270.md"
@@ -18,7 +18,7 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum"] }   # or ["actix"]
+masterror = { version = "0.32.0", features = ["axum"] }   # or ["actix"]
 ```
 
 ## Формат на проводе
diff --git "a/wiki/\320\235\320\260\320\261\320\273\321\216\320\264\320\260\320\265\320\274\320\276\321\201\321\202\321\214.md" "b/wiki/\320\235\320\260\320\261\320\273\321\216\320\264\320\260\320\265\320\274\320\276\321\201\321\202\321\214.md"
index 9a4e6c6..7abd8d0 100644
--- "a/wiki/\320\235\320\260\320\261\320\273\321\216\320\264\320\260\320\265\320\274\320\276\321\201\321\202\321\214.md"
+++ "b/wiki/\320\235\320\260\320\261\320\273\321\216\320\264\320\260\320\265\320\274\320\276\321\201\321\202\321\214.md"
@@ -18,7 +18,7 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["tracing", "metrics", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tracing", "metrics", "backtrace"] }
 ```
 
 ## Tracing
diff --git "a/wiki/\320\235\320\260\321\207\320\260\320\273\320\276-\321\200\320\260\320\261\320\276\321\202\321\213.md" "b/wiki/\320\235\320\260\321\207\320\260\320\273\320\276-\321\200\320\260\320\261\320\276\321\202\321\213.md"
index 2bb9cda..2a1d811 100644
--- "a/wiki/\320\235\320\260\321\207\320\260\320\273\320\276-\321\200\320\260\320\261\320\276\321\202\321\213.md"
+++ "b/wiki/\320\235\320\260\321\207\320\260\320\273\320\276-\321\200\320\260\320\261\320\276\321\202\321\213.md"
@@ -8,14 +8,14 @@
 
 ```toml
 [dependencies]
-masterror = "0.31.1"
+masterror = "0.32.0"
 ```
 
 Включайте интеграции по мере необходимости (полный список — в [Флагах возможностей](Флаги-возможностей)):
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "serde_json", "tracing"] }
 ```
 
 MSRV — **1.99**. Крейт запрещает `unsafe` и поддерживает `no_std` при сборке с `default-features = false`.
diff --git "a/wiki/\320\244\320\273\320\260\320\263\320\270-\320\262\320\276\320\267\320\274\320\276\320\266\320\275\320\276\321\201\321\202\320\265\320\271.md" "b/wiki/\320\244\320\273\320\260\320\263\320\270-\320\262\320\276\320\267\320\274\320\276\320\266\320\275\320\276\321\201\321\202\320\265\320\271.md"
index 5126cfb..1d9fb72 100644
--- "a/wiki/\320\244\320\273\320\260\320\263\320\270-\320\262\320\276\320\267\320\274\320\276\320\266\320\275\320\276\321\201\321\202\320\265\320\271.md"
+++ "b/wiki/\320\244\320\273\320\260\320\263\320\270-\320\262\320\276\320\267\320\274\320\276\320\266\320\275\320\276\321\201\321\202\320\265\320\271.md"
@@ -4,9 +4,9 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -87,37 +87,37 @@ masterror = { version = "0.31.1", default-features = false }
 REST API на Axum с problem+json, документацией OpenAPI и tracing:
 
 ```toml
-masterror = { version = "0.31.1", features = ["axum", "openapi", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "openapi", "serde_json", "tracing"] }
 ```
 
 Сервис с базой данных на sqlx, миграциями и метриками:
 
 ```toml
-masterror = { version = "0.31.1", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
+masterror = { version = "0.32.0", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
 ```
 
 gRPC-сервис:
 
 ```toml
-masterror = { version = "0.31.1", features = ["tonic", "tracing", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tonic", "tracing", "backtrace"] }
 ```
 
 Telegram-бот с аутентификацией Mini App:
 
 ```toml
-masterror = { version = "0.31.1", features = ["teloxide", "init-data", "reqwest", "tokio"] }
+masterror = { version = "0.32.0", features = ["teloxide", "init-data", "reqwest", "tokio"] }
 ```
 
 WASM-фронтенд:
 
 ```toml
-masterror = { version = "0.31.1", features = ["frontend", "serde_json"] }
+masterror = { version = "0.32.0", features = ["frontend", "serde_json"] }
 ```
 
 `no_std` для встраиваемых систем или библиотек:
 
 ```toml
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## Примечания
diff --git "a/wiki/\352\264\200\354\270\241\354\204\261.md" "b/wiki/\352\264\200\354\270\241\354\204\261.md"
index b2cacbf..da75268 100644
--- "a/wiki/\352\264\200\354\270\241\354\204\261.md"
+++ "b/wiki/\352\264\200\354\270\241\354\204\261.md"
@@ -17,7 +17,7 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["tracing", "metrics", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tracing", "metrics", "backtrace"] }
 ```
 
 ## Tracing
diff --git "a/wiki/\352\270\260\353\212\245-\355\224\214\353\236\230\352\267\270.md" "b/wiki/\352\270\260\353\212\245-\355\224\214\353\236\230\352\267\270.md"
index 93131a9..f3fd73a 100644
--- "a/wiki/\352\270\260\353\212\245-\355\224\214\353\236\230\352\267\270.md"
+++ "b/wiki/\352\270\260\353\212\245-\355\224\214\353\236\230\352\267\270.md"
@@ -4,9 +4,9 @@
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 # or with features:
-# masterror = { version = "0.31.1", features = [
+# masterror = { version = "0.32.0", features = [
 #   "std", "axum", "actix", "openapi",
 #   "serde_json", "tracing", "metrics", "backtrace",
 #   "colored", "sqlx", "sqlx-migrate", "reqwest",
@@ -87,37 +87,37 @@ masterror = { version = "0.31.1", default-features = false }
 problem+json, OpenAPI 문서, tracing을 갖춘 Axum 기반 REST API:
 
 ```toml
-masterror = { version = "0.31.1", features = ["axum", "openapi", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "openapi", "serde_json", "tracing"] }
 ```
 
 sqlx, 마이그레이션, metrics를 갖춘 데이터베이스 서비스:
 
 ```toml
-masterror = { version = "0.31.1", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
+masterror = { version = "0.32.0", features = ["sqlx", "sqlx-migrate", "metrics", "tracing"] }
 ```
 
 gRPC 서비스:
 
 ```toml
-masterror = { version = "0.31.1", features = ["tonic", "tracing", "backtrace"] }
+masterror = { version = "0.32.0", features = ["tonic", "tracing", "backtrace"] }
 ```
 
 Mini App 인증을 갖춘 Telegram 봇:
 
 ```toml
-masterror = { version = "0.31.1", features = ["teloxide", "init-data", "reqwest", "tokio"] }
+masterror = { version = "0.32.0", features = ["teloxide", "init-data", "reqwest", "tokio"] }
 ```
 
 WASM 프런트엔드:
 
 ```toml
-masterror = { version = "0.31.1", features = ["frontend", "serde_json"] }
+masterror = { version = "0.32.0", features = ["frontend", "serde_json"] }
 ```
 
 `no_std` 임베디드 또는 라이브러리 타깃:
 
 ```toml
-masterror = { version = "0.31.1", default-features = false }
+masterror = { version = "0.32.0", default-features = false }
 ```
 
 ## 참고 사항
diff --git "a/wiki/\354\213\234\354\236\221\355\225\230\352\270\260.md" "b/wiki/\354\213\234\354\236\221\355\225\230\352\270\260.md"
index 24b7be8..7659b7e 100644
--- "a/wiki/\354\213\234\354\236\221\355\225\230\352\270\260.md"
+++ "b/wiki/\354\213\234\354\236\221\355\225\230\352\270\260.md"
@@ -8,14 +8,14 @@
 
 ```toml
 [dependencies]
-masterror = "0.31.1"
+masterror = "0.32.0"
 ```
 
 필요한 통합을 그때그때 활성화하세요 (전체 목록은 [기능 플래그](기능-플래그) 참조):
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum", "serde_json", "tracing"] }
+masterror = { version = "0.32.0", features = ["axum", "serde_json", "tracing"] }
 ```
 
 MSRV는 **1.99**입니다. 이 크레이트는 `unsafe`를 금지하며 `default-features = false`로 빌드하면 `no_std`를 지원합니다.
diff --git "a/wiki/\354\233\271-\355\224\204\353\240\210\354\236\204\354\233\214\355\201\254.md" "b/wiki/\354\233\271-\355\224\204\353\240\210\354\236\204\354\233\214\355\201\254.md"
index 52ac001..a5ea6df 100644
--- "a/wiki/\354\233\271-\355\224\204\353\240\210\354\236\204\354\233\214\355\201\254.md"
+++ "b/wiki/\354\233\271-\355\224\204\353\240\210\354\236\204\354\233\214\355\201\254.md"
@@ -18,7 +18,7 @@ RFC 7807 `application/problem+json` 응답으로 변환하며, 텔레메트리
 
 ```toml
 [dependencies]
-masterror = { version = "0.31.1", features = ["axum"] }   # or ["actix"]
+masterror = { version = "0.32.0", features = ["axum"] }   # or ["actix"]
 ```
 
 ## 와이어 형식