diff --git a/.gitignore b/.gitignore
index 0d1e9109..4f5591fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,7 +19,12 @@ __pycache__/
 *.pyc
 
 # Rust build artifacts
+# Workspace shared target (ADR-026 で Cargo workspace 化)
+/target/
+# 旧レイアウト互換: 各 package ディレクトリ配下の target (残っていれば無視)
 src/*/target/
+# workspace 化後は root Cargo.lock のみが有効; 誤って再生成されても追跡しない
+src/*/Cargo.lock
 
 # Runtime generated files
 .claude/.session-id
diff --git a/CLAUDE.md b/CLAUDE.md
index b838b43e..47281dfc 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -27,6 +27,7 @@
 - [ADR-023: CodeRabbit false positive 対応スキル](docs/adr/adr-023-coderabbit-reject-thread-skill.md) *(試験運用)*
 - [ADR-024: 共通 jj ヘルパーライブラリ](docs/adr/adr-024-shared-jj-helpers-library.md) *(試験運用)*
 - [ADR-025: CwdRestore Drop guard パターン](docs/adr/adr-025-cwd-restore-drop-guard.md) *(試験運用)*
+- [ADR-026: Cargo workspace による Rust パッケージ統合](docs/adr/adr-026-cargo-workspace.md)
 
 ## Automated actor boundary (ADR-022)
 
diff --git a/src/hooks-post-tool-linter/Cargo.lock b/Cargo.lock
similarity index 88%
rename from src/hooks-post-tool-linter/Cargo.lock
rename to Cargo.lock
index d3742ff1..b214871b 100644
--- a/src/hooks-post-tool-linter/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
 [[package]]
 name = "bitflags"
-version = "2.11.0"
+version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af"
+checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
 
 [[package]]
 name = "cfg-if"
@@ -29,6 +29,53 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "check-ci-coderabbit"
+version = "0.1.0"
+dependencies = [
+ "lib-report-formatter",
+ "regex",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "cli-merge-pipeline"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+ "toml",
+]
+
+[[package]]
+name = "cli-pr-monitor"
+version = "0.1.0"
+dependencies = [
+ "lib-report-formatter",
+ "serde",
+ "serde_json",
+ "tempfile",
+ "toml",
+]
+
+[[package]]
+name = "cli-push-pipeline"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+ "toml",
+]
+
+[[package]]
+name = "cli-push-runner"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "toml",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -47,9 +94,9 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "2.3.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
 
 [[package]]
 name = "foldhash"
@@ -81,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.16.1"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
 
 [[package]]
 name = "heck"
@@ -102,6 +149,33 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "hooks-pre-tool-validate"
+version = "0.1.0"
+dependencies = [
+ "regex",
+ "serde",
+ "serde_json",
+ "toml",
+]
+
+[[package]]
+name = "hooks-session-start"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "hooks-stop-quality"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+ "toml",
+]
+
 [[package]]
 name = "id-arena"
 version = "2.3.0"
@@ -110,21 +184,21 @@ checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
 
 [[package]]
 name = "indexmap"
-version = "2.13.0"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.0",
  "serde",
  "serde_core",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.17"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
 name = "leb128fmt"
@@ -132,11 +206,19 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
+[[package]]
+name = "lib-report-formatter"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "libc"
-version = "0.2.183"
+version = "0.2.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b646652bf6661599e1da8901b3b9522896f01e736bad5f723fe7a3a27f899d"
+checksum = "52ff2c0fe9bc6cb6b14a0592c2ff4fa9ceb83eea9db979b0487cd054946a2b8f"
 
 [[package]]
 name = "linux-raw-sys"
@@ -240,9 +322,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+checksum = "8a7852d02fc848982e0c167ef163aaff9cd91dc640ba85e263cb1ce46fae51cd"
 
 [[package]]
 name = "serde"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 00000000..e7d07f7f
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,40 @@
+# Workspace root for all Rust packages (ADR-026)
+#
+# 目的:
+#   1. `cargo test` / `cargo build` を workspace 全体で一括実行可能にする
+#      (各 package で `--manifest-path` 指定が不要)
+#   2. shared `target/` で compile cache を共有し、ビルド時間を短縮
+#   3. push pipeline (push-runner-config.toml の rust-test group) で
+#      unit tests と ignored tests を 2 コマンドで網羅できる:
+#        cargo test
+#        cargo test -- --ignored --test-threads=1
+#      (ignored tests は cwd 依存のため直列実行が必須)
+#
+# 方針:
+#   - 各 member の Cargo.toml の edition / version はそのまま保持
+#   - [profile.release] は Cargo がメンバーレベルの設定を無視するため root に集約必須
+#     (YAGNI ではなく Cargo の仕様要件、ADR-026 §設計原則 2 参照)
+#   - 依存の重複解消 (`[workspace.dependencies]`) は実利が見えてから別 PR で対応
+
+[workspace]
+resolver = "2"
+members = [
+    "src/check-ci-coderabbit",
+    "src/cli-merge-pipeline",
+    "src/cli-pr-monitor",
+    "src/cli-push-pipeline",
+    "src/cli-push-runner",
+    "src/hooks-post-tool-linter",
+    "src/hooks-pre-tool-validate",
+    "src/hooks-session-start",
+    "src/hooks-stop-quality",
+    "src/lib-report-formatter",
+]
+
+# workspace 化に伴い [profile.*] は必ず root で定義する必要がある
+# (member の profile 設定は Cargo により ignore される)。
+# 各 member が持っていた同等設定を root に集約。
+[profile.release]
+opt-level = 3
+lto = true
+strip = true
diff --git a/docs/adr/adr-026-cargo-workspace.md b/docs/adr/adr-026-cargo-workspace.md
new file mode 100644
index 00000000..c1a31c1f
--- /dev/null
+++ b/docs/adr/adr-026-cargo-workspace.md
@@ -0,0 +1,107 @@
+# ADR-026: Cargo workspace による Rust パッケージ統合
+
+## ステータス
+
+承認済み (2026-04-17)
+
+## コンテキスト
+
+### 問題
+
+本プロジェクトには 10 の Rust パッケージ (`src/check-ci-coderabbit/`, `src/cli-*/`, `src/hooks-*/`, `src/lib-report-formatter/`) が存在するが、各パッケージが独立した `Cargo.toml` を持ち、workspace 化されていなかった。この構成では以下の不便が発生していた:
+
+1. **`cargo test` が repo ルートで動かない**: 各パッケージで `cargo test --manifest-path src/<package>/Cargo.toml` のように個別指定が必要。PR #44 で push pipeline に rust-test group を追加したとき、この個別指定が必要になった
+2. **target/ ディレクトリが package ごとに分散**: 10 個の `src/<pkg>/target/` が独立して生成され、compile cache が共有されない。依存する lib-report-formatter のコンパイル結果も再利用されない
+3. **profile.release が各パッケージで重複定義**: 9 個のパッケージに同じ `[profile.release]` ブロック (opt-level=3, lto=true, strip=true) が書かれていた
+
+### Rust workspace 化の効果
+
+Cargo workspace を導入すると:
+
+- `cargo test` を repo ルート 1 行で全パッケージ実行
+- `cargo test -- --ignored --test-threads=1` で統合テストも同様に 1 行
+- `target/` が workspace 共通化され、compile cache 再利用でビルド時間短縮 (特に lib-report-formatter に依存する複数パッケージ)
+- `[profile.release]` を workspace root に集約でき、重複排除
+- 将来の `[workspace.dependencies]` (共通依存バージョン管理) への拡張余地
+
+## 決定
+
+### workspace 構成 (最小構成)
+
+`Cargo.toml` (repo ルート、新規) に以下を定義:
+
+```toml
+[workspace]
+resolver = "2"
+members = [
+    "src/check-ci-coderabbit",
+    "src/cli-merge-pipeline",
+    "src/cli-pr-monitor",
+    "src/cli-push-pipeline",
+    "src/cli-push-runner",
+    "src/hooks-post-tool-linter",
+    "src/hooks-pre-tool-validate",
+    "src/hooks-session-start",
+    "src/hooks-stop-quality",
+    "src/lib-report-formatter",
+]
+
+[profile.release]
+opt-level = 3
+lto = true
+strip = true
+```
+
+### 設計原則
+
+1. **minimal workspace を先に**: `[workspace.dependencies]` (共通依存バージョン管理) や `[workspace.package]` (共通 metadata) の導入は**本 ADR のスコープ外**。実利が見えてから別 PR で対応 (YAGNI)
+2. **`[profile.release]` は root に集約**: workspace では member の profile 設定が ignore されるため、root で一元管理する必要がある (Cargo の仕様)
+3. **target/ は workspace 共通化**: `.gitignore` で `/target/` (root) と `src/*/target/` (legacy 互換) の両方を ignore
+4. **package.json の build スクリプト変更**: `cargo build --release -p <name>` に統一。target path は `target/release/<name>.exe` (workspace 直下)
+5. **push pipeline の rust-test group を workspace ベースに**: `cargo test --manifest-path ...` の個別指定を廃止し、`cargo test` 1 行に
+
+### 依存の変更
+
+既存 package 間の依存 (例: cli-pr-monitor → lib-report-formatter) は引き続き `path = "../lib-report-formatter"` で記述する。workspace 化により path dependency が暗黙的に解決されるため、実質的な変更はない。
+
+## 影響
+
+### 採用される構成要素
+
+- `Cargo.toml` (repo ルート): `[workspace]` + members + `[profile.release]`
+- `.gitignore`: `/target/` を追加
+- `package.json`: 8 個の `build:<name>` スクリプトを `cargo build --release -p <name>` 形式に統一
+- `push-runner-config.toml`: rust-test group の command を `cargo test` / `cargo test -- --ignored --test-threads=1` に簡素化
+- `templates/push-runner-config.toml`: rust-test group のコメントアウト済みテンプレートを追加 (Rust を使う派生プロジェクトで有効化可能に)
+
+### 避けるべきアンチパターン
+
+- **Member の `[profile.release]` 併存**: workspace では ignore されるため、警告の原因になる。root に集約する
+- **各 package で個別 `--manifest-path` 指定**: workspace 化後は不要。誤って個別指定すると target/ の共有が無効化される可能性
+- **`cargo build --release` を member dir で実行する旧スタイル**: target path が `src/<pkg>/target/` ではなく `target/` (workspace root) に変わっているため、build 後の `cp` でパスを更新する必要がある
+
+### 削除された構成要素
+
+- 各 member Cargo.toml の `[profile.release]` ブロック (9 箇所): コメントで「workspace root に集約」と記録
+
+### package.json の変更例
+
+Before:
+```json
+"build:hooks-pre-tool-validate": "cd src/hooks-pre-tool-validate && cargo build --release && cp target/release/hooks-pre-tool-validate.exe ../../.claude/hooks-pre-tool-validate.exe"
+```
+
+After:
+```json
+"build:hooks-pre-tool-validate": "cargo build --release -p hooks-pre-tool-validate && cp target/release/hooks-pre-tool-validate.exe .claude/hooks-pre-tool-validate.exe"
+```
+
+`cd` が不要になり、target path が workspace root 基準に統一される。
+
+## 次ステップ (スコープ外)
+
+- **`[workspace.dependencies]` への集約**: serde / toml / regex などの重複依存を集約できる。実利が見えたら別 PR で実施
+- **`[workspace.package]` への version / edition 集約**: 現状すべて `version = "0.1.0"` / `edition = "2021"` で統一されているので、集約しても見た目のみの変化。YAGNI で保留
+- **cli-push-pipeline の deprecation**: ADR-015 で cli-push-runner (takt ベース) に移行済み。cli-push-pipeline は dead code だが本 ADR の scope 外。削除は別 PR
+- **ADR-024 (仮) の正式採用**: 2 つ目の jj ヘルパー使用例が出たら `src/lib-jj-helpers/` を workspace member として新設 (workspace 化により追加が容易に)
+- **ADR-025 (仮) の正式採用**: 2 つ目の cwd 依存テストが出たら `src/lib-test-helpers/` を workspace member として新設 (同上)
diff --git a/docs/todo.md b/docs/todo.md
index 7aa7f7e1..7266c088 100644
--- a/docs/todo.md
+++ b/docs/todo.md
@@ -136,26 +136,26 @@
   - 上記 #1 の `feat/session-start-hook` の活用方針が決まらないとセッション引継ぎ設計ができない
   - takt-test-vc での試験運用を先に行い、本プロジェクトに反映
 
-### 4. Cargo workspace 化 + rust-test template 反映 (ADR-022 導入に伴う infra 整備)
+### 4. Cargo workspace 化 + rust-test template 反映 (PR-β、実装済み)
 
 - **やろうとしたこと**: PR #44 のセッション知見を元に:
-  1. Rust test を push pipeline で一発実行できるよう Cargo workspace 化 (現状は各 package 独立で `--manifest-path` 指定が必要)
-  2. `templates/push-runner-config.toml` に `rust-test` group を反映し、派生プロジェクトへ `pnpm deploy:hooks` で配布できるようにする
-- **現在地**: PR-α (ADR-021~025) マージ後に着手予定
-  - [ ] 全 Rust package (9 個) の `Cargo.toml` 整合性調査 (edition / resolver / profile.release)
-  - [ ] ルート `Cargo.toml` 作成 (`[workspace]` + `members = [...]`)
-  - [ ] `push-runner-config.toml` の rust-test command を `cargo test` (workspace) に戻す
-  - [ ] `templates/push-runner-config.toml` に rust-test group + コメント追加
-  - [ ] 回帰テスト: `cargo test` (workspace 全体) + `pnpm build:all`
-  - [ ] ADR-026 執筆 (Cargo workspace 化の判断記録)
+  1. Rust test を push pipeline で一発実行できるよう Cargo workspace 化
+  2. `templates/push-runner-config.toml` に `rust-test` group テンプレートを反映
+- **現在地**: 実装完了、PR-β として push 予定
+  - [x] 全 Rust package (10 個) の `Cargo.toml` 整合性調査 (edition=2021 / profile.release 統一確認)
+  - [x] ルート `Cargo.toml` 作成 (`[workspace]` + `members` + `[profile.release]` 集約)
+  - [x] 各 member Cargo.toml から `[profile.release]` を削除 (workspace で ignore される警告解消)
+  - [x] `.gitignore` に `/target/` 追加 (workspace 共有 target の無視)
+  - [x] `package.json` の build スクリプトを `cargo build --release -p <name>` 形式に統一
+  - [x] `push-runner-config.toml` の rust-test command を `cargo test` (workspace) に簡素化
+  - [x] `templates/push-runner-config.toml` に rust-test group (コメントアウト済み) を追加
+  - [x] ADR-026 執筆 (Cargo workspace 化の判断記録)
+  - [x] 回帰テスト: `cargo test` (318 passed + 1 integration) / `pnpm build:all` (警告なしで成功)
   - [ ] PR-β 作成 → レビュー → マージ
-- **詰まっている箇所**: なし (方針確定済み)
-- **依存関係**:
-  - PR-α (ADR-021~025) が先行マージされていること (ADR-022 の責務分離原則を参照するため)
+- **詰まっている箇所**: なし
 - **参照 ADR**:
-  - ADR-021: jj 変更検出ロジック (本実装で確立、ライブラリ化は ADR-024 (仮) で様子見)
-  - ADR-022: 自動化コンポーネントの責務分離 (本 PR で実装完了)
-  - ADR-026 (予定): Cargo workspace 化の判断記録
+  - ADR-021 / ADR-022 (前 PR で確立): 本 infra 整備の背景
+  - ADR-026: Cargo workspace 化の判断記録 (本 PR で執筆)
 
 ---
 
diff --git a/package.json b/package.json
index 2a97a24e..ffb3716a 100644
--- a/package.json
+++ b/package.json
@@ -7,14 +7,14 @@
     "test": "npx vitest run",
     "test:e2e": "npx tsx scripts/e2e.ts",
     "build": "npx tsc --noEmit --pretty || true",
-    "build:hooks-pre-tool-validate": "cd src/hooks-pre-tool-validate && cargo build --release && cp target/release/hooks-pre-tool-validate.exe ../../.claude/hooks-pre-tool-validate.exe",
-    "build:hooks-post-tool-linter": "cd src/hooks-post-tool-linter && cargo build --release && cp target/release/hooks-post-tool-linter.exe ../../.claude/hooks-post-tool-linter.exe",
-    "build:hooks-stop-quality": "cd src/hooks-stop-quality && cargo build --release && cp target/release/hooks-stop-quality.exe ../../.claude/hooks-stop-quality.exe",
-    "build:cli-push-runner": "cd src/cli-push-runner && cargo build --release && cp target/release/cli-push-runner.exe ../../.claude/cli-push-runner.exe",
-    "build:cli-pr-monitor": "cd src/cli-pr-monitor && cargo build --release && cp target/release/cli-pr-monitor.exe ../../.claude/cli-pr-monitor.exe",
-    "build:check-ci-coderabbit": "cd src/check-ci-coderabbit && cargo build --release && cp target/release/check-ci-coderabbit.exe ../../.claude/check-ci-coderabbit.exe",
-    "build:hooks-session-start": "cd src/hooks-session-start && cargo build --release && cp target/release/hooks-session-start.exe ../../.claude/hooks-session-start.exe",
-    "build:cli-merge-pipeline": "cd src/cli-merge-pipeline && cargo build --release && cp target/release/cli-merge-pipeline.exe ../../.claude/cli-merge-pipeline.exe",
+    "build:hooks-pre-tool-validate": "cargo build --release -p hooks-pre-tool-validate && cp target/release/hooks-pre-tool-validate.exe .claude/hooks-pre-tool-validate.exe",
+    "build:hooks-post-tool-linter": "cargo build --release -p hooks-post-tool-linter && cp target/release/hooks-post-tool-linter.exe .claude/hooks-post-tool-linter.exe",
+    "build:hooks-stop-quality": "cargo build --release -p hooks-stop-quality && cp target/release/hooks-stop-quality.exe .claude/hooks-stop-quality.exe",
+    "build:cli-push-runner": "cargo build --release -p cli-push-runner && cp target/release/cli-push-runner.exe .claude/cli-push-runner.exe",
+    "build:cli-pr-monitor": "cargo build --release -p cli-pr-monitor && cp target/release/cli-pr-monitor.exe .claude/cli-pr-monitor.exe",
+    "build:check-ci-coderabbit": "cargo build --release -p check-ci-coderabbit && cp target/release/check-ci-coderabbit.exe .claude/check-ci-coderabbit.exe",
+    "build:hooks-session-start": "cargo build --release -p hooks-session-start && cp target/release/hooks-session-start.exe .claude/hooks-session-start.exe",
+    "build:cli-merge-pipeline": "cargo build --release -p cli-merge-pipeline && cp target/release/cli-merge-pipeline.exe .claude/cli-merge-pipeline.exe",
     "build:hooks-settings": "node -e \"const fs=require('fs');const t=fs.readFileSync('.claude/settings.local.json.template','utf8');const p=process.cwd().replace(/\\\\/g,'\\\\\\\\');fs.writeFileSync('.claude/settings.local.json',t.replace(/\\{\\{PROJECT_DIR\\}\\}/g,p))\" && echo settings.local.json generated",
     "build:all": "pnpm build:hooks-session-start && pnpm build:hooks-pre-tool-validate && pnpm build:hooks-post-tool-linter && pnpm build:hooks-stop-quality && pnpm build:cli-push-runner && pnpm build:cli-pr-monitor && pnpm build:cli-merge-pipeline && pnpm build:check-ci-coderabbit && pnpm build:hooks-settings",
     "push": ".\\.claude\\cli-push-runner.exe && .\\.claude\\cli-pr-monitor.exe --monitor-only",
diff --git a/push-runner-config.toml b/push-runner-config.toml
index 8f29b1bd..950e6749 100644
--- a/push-runner-config.toml
+++ b/push-runner-config.toml
@@ -21,15 +21,14 @@ commands = ["pnpm build"]
 
 # Rust test group: push pipeline でのみ実行。
 # PostToolUse / Stop hook では実行せず、イテレーション速度を保護する。
-# 本プロジェクトは Cargo workspace ではなくパッケージ毎独立のため、
-# --manifest-path で個別に指定する。
+# ADR-026 により Cargo workspace 化したため、workspace 全体を 1 コマンドで回せる。
 # 1 つ目: unit tests (並列実行可、高速)
 # 2 つ目: 統合テスト (#[ignore] 付き、cwd 依存のため --test-threads=1 必須)
 [[quality_gate.groups]]
 name = "rust-test"
 commands = [
-  "cargo test --manifest-path src/cli-pr-monitor/Cargo.toml",
-  "cargo test --manifest-path src/cli-pr-monitor/Cargo.toml -- --ignored --test-threads=1",
+  "cargo test",
+  "cargo test -- --ignored --test-threads=1",
 ]
 
 [diff]
diff --git a/src/check-ci-coderabbit/Cargo.lock b/src/check-ci-coderabbit/Cargo.lock
deleted file mode 100644
index a0f29fe1..00000000
--- a/src/check-ci-coderabbit/Cargo.lock
+++ /dev/null
@@ -1,155 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "aho-corasick"
-version = "1.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "check-ci-coderabbit"
-version = "0.1.0"
-dependencies = [
- "lib-report-formatter",
- "regex",
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "itoa"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
-
-[[package]]
-name = "lib-report-formatter"
-version = "0.1.0"
-dependencies = [
- "serde",
- "serde_json",
-]
-
-[[package]]
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-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
-dependencies = [
- "unicode-ident",
-]
-
-[[package]]
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-version = "1.0.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "regex"
-version = "1.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.8.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
-
-[[package]]
-name = "serde"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
-dependencies = [
- "serde_core",
- "serde_derive",
-]
-
-[[package]]
-name = "serde_core"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.149"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
-dependencies = [
- "itoa",
- "memchr",
- "serde",
- "serde_core",
- "zmij",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.117"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/src/check-ci-coderabbit/Cargo.toml b/src/check-ci-coderabbit/Cargo.toml
index 6c10a184..ec9cadff 100644
--- a/src/check-ci-coderabbit/Cargo.toml
+++ b/src/check-ci-coderabbit/Cargo.toml
@@ -9,7 +9,4 @@ serde_json = "1.0"
 regex = "1"
 lib-report-formatter = { path = "../lib-report-formatter" }
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/cli-merge-pipeline/Cargo.lock b/src/cli-merge-pipeline/Cargo.lock
deleted file mode 100644
index e203f76b..00000000
--- a/src/cli-merge-pipeline/Cargo.lock
+++ /dev/null
@@ -1,189 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "cli-merge-pipeline"
-version = "0.1.0"
-dependencies = [
- "serde",
- "serde_json",
- "toml",
-]
-
-[[package]]
-name = "equivalent"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
-
-[[package]]
-name = "hashbrown"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
-[[package]]
-name = "indexmap"
-version = "2.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45a8a2b9cb3e0b0c1803dbb0758ffac5de2f425b23c28f518faabd9d805342ff"
-dependencies = [
- "equivalent",
- "hashbrown",
-]
-
-[[package]]
-name = "itoa"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
-
-[[package]]
-name = "memchr"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.106"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
-dependencies = [
- "unicode-ident",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "serde"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
-dependencies = [
- "serde_core",
- "serde_derive",
-]
-
-[[package]]
-name = "serde_core"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.149"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
-dependencies = [
- "itoa",
- "memchr",
- "serde",
- "serde_core",
- "zmij",
-]
-
-[[package]]
-name = "serde_spanned"
-version = "0.6.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf41e0cfaf7226dca15e8197172c295a782857fcb97fad1808a166870dee75a3"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.117"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "toml"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
-dependencies = [
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit",
-]
-
-[[package]]
-name = "toml_datetime"
-version = "0.6.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "toml_edit"
-version = "0.22.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
-dependencies = [
- "indexmap",
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_write",
- "winnow",
-]
-
-[[package]]
-name = "toml_write"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
-
-[[package]]
-name = "winnow"
-version = "0.7.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/src/cli-merge-pipeline/Cargo.toml b/src/cli-merge-pipeline/Cargo.toml
index a3277579..ba02823b 100644
--- a/src/cli-merge-pipeline/Cargo.toml
+++ b/src/cli-merge-pipeline/Cargo.toml
@@ -8,7 +8,4 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 toml = "0.8"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/cli-pr-monitor/Cargo.lock b/src/cli-pr-monitor/Cargo.lock
deleted file mode 100644
index 0a92090d..00000000
--- a/src/cli-pr-monitor/Cargo.lock
+++ /dev/null
@@ -1,514 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "anyhow"
-version = "1.0.102"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
-
-[[package]]
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-version = "2.11.1"
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-
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-checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
-
-[[package]]
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-version = "0.1.0"
-dependencies = [
- "lib-report-formatter",
- "serde",
- "serde_json",
- "tempfile",
- "toml",
-]
-
-[[package]]
-name = "equivalent"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "windows-sys",
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
-
-[[package]]
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-dependencies = [
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-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
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-
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-checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
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- "serde",
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diff --git a/src/cli-pr-monitor/Cargo.toml b/src/cli-pr-monitor/Cargo.toml
index 4b1b83ce..8c5cf3fa 100644
--- a/src/cli-pr-monitor/Cargo.toml
+++ b/src/cli-pr-monitor/Cargo.toml
@@ -12,7 +12,4 @@ lib-report-formatter = { path = "../lib-report-formatter" }
 [dev-dependencies]
 tempfile = "3"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/cli-push-pipeline/Cargo.lock b/src/cli-push-pipeline/Cargo.lock
deleted file mode 100644
index 26e3b178..00000000
--- a/src/cli-push-pipeline/Cargo.lock
+++ /dev/null
@@ -1,189 +0,0 @@
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-dependencies = [
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diff --git a/src/cli-push-pipeline/Cargo.toml b/src/cli-push-pipeline/Cargo.toml
index b03c1866..88f9045e 100644
--- a/src/cli-push-pipeline/Cargo.toml
+++ b/src/cli-push-pipeline/Cargo.toml
@@ -8,7 +8,4 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 toml = "0.8"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/cli-push-runner/Cargo.lock b/src/cli-push-runner/Cargo.lock
deleted file mode 100644
index e1e433e7..00000000
--- a/src/cli-push-runner/Cargo.lock
+++ /dev/null
@@ -1,163 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "cli-push-runner"
-version = "0.1.0"
-dependencies = [
- "serde",
- "toml",
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-
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-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
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-[[package]]
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- "quote",
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-dependencies = [
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit",
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "serde",
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-version = "0.22.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "indexmap",
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_write",
- "winnow",
-]
-
-[[package]]
-name = "toml_write"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
-
-[[package]]
-name = "winnow"
-version = "0.7.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
-dependencies = [
- "memchr",
-]
diff --git a/src/cli-push-runner/Cargo.toml b/src/cli-push-runner/Cargo.toml
index 0e5c7edb..53dfde66 100644
--- a/src/cli-push-runner/Cargo.toml
+++ b/src/cli-push-runner/Cargo.toml
@@ -7,7 +7,4 @@ edition = "2021"
 serde = { version = "1.0", features = ["derive"] }
 toml = "0.8"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/hooks-post-tool-linter/Cargo.toml b/src/hooks-post-tool-linter/Cargo.toml
index 4fcd4295..0862eb64 100644
--- a/src/hooks-post-tool-linter/Cargo.toml
+++ b/src/hooks-post-tool-linter/Cargo.toml
@@ -12,7 +12,4 @@ regex = "1.10"
 [dev-dependencies]
 tempfile = "3"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/hooks-pre-tool-validate/Cargo.lock b/src/hooks-pre-tool-validate/Cargo.lock
deleted file mode 100644
index d236e421..00000000
--- a/src/hooks-pre-tool-validate/Cargo.lock
+++ /dev/null
@@ -1,228 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "aho-corasick"
-version = "1.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
-dependencies = [
- "memchr",
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-
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-version = "0.16.1"
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-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
-[[package]]
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- "regex",
- "serde",
- "serde_json",
- "toml",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "regex-syntax",
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- "memchr",
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-version = "1.0.228"
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-version = "1.0.228"
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- "zmij",
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- "winnow",
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-
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-checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
-
-[[package]]
-name = "winnow"
-version = "0.7.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "zmij"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1966f8ac2c1f76987d69a74d0e0f929241c10e78136434e3be70ff7f58f64214"
diff --git a/src/hooks-pre-tool-validate/Cargo.toml b/src/hooks-pre-tool-validate/Cargo.toml
index cafd22bf..80674298 100644
--- a/src/hooks-pre-tool-validate/Cargo.toml
+++ b/src/hooks-pre-tool-validate/Cargo.toml
@@ -9,7 +9,4 @@ serde_json = "1.0"
 regex = "1.10"
 toml = "0.8"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/hooks-session-start/Cargo.lock b/src/hooks-session-start/Cargo.lock
deleted file mode 100644
index 97dbdbb9..00000000
--- a/src/hooks-session-start/Cargo.lock
+++ /dev/null
@@ -1,107 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "hooks-session-start"
-version = "0.1.0"
-dependencies = [
- "serde",
- "serde_json",
-]
-
-[[package]]
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-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
-
-[[package]]
-name = "memchr"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.106"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
-dependencies = [
- "unicode-ident",
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-
-[[package]]
-name = "quote"
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-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
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- "proc-macro2",
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-[[package]]
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-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
-dependencies = [
- "serde_core",
- "serde_derive",
-]
-
-[[package]]
-name = "serde_core"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.149"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
-dependencies = [
- "itoa",
- "memchr",
- "serde",
- "serde_core",
- "zmij",
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-
-[[package]]
-name = "syn"
-version = "2.0.117"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/src/hooks-session-start/Cargo.toml b/src/hooks-session-start/Cargo.toml
index 5d018194..ae8863ba 100644
--- a/src/hooks-session-start/Cargo.toml
+++ b/src/hooks-session-start/Cargo.toml
@@ -7,7 +7,4 @@ edition = "2021"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/hooks-stop-quality/Cargo.lock b/src/hooks-stop-quality/Cargo.lock
deleted file mode 100644
index 881354b0..00000000
--- a/src/hooks-stop-quality/Cargo.lock
+++ /dev/null
@@ -1,189 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "equivalent"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
-
-[[package]]
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-version = "0.16.1"
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-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
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-[[package]]
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-version = "0.1.0"
-dependencies = [
- "serde",
- "serde_json",
- "toml",
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-
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-version = "2.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "hashbrown",
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-
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- "itoa",
- "memchr",
- "serde",
- "serde_core",
- "zmij",
-]
-
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-version = "0.6.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "serde",
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- "unicode-ident",
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-
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- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit",
-]
-
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-name = "toml_datetime"
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- "indexmap",
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_write",
- "winnow",
-]
-
-[[package]]
-name = "toml_write"
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-
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-
-[[package]]
-name = "winnow"
-version = "0.7.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/src/hooks-stop-quality/Cargo.toml b/src/hooks-stop-quality/Cargo.toml
index 433f21ec..c061f293 100644
--- a/src/hooks-stop-quality/Cargo.toml
+++ b/src/hooks-stop-quality/Cargo.toml
@@ -8,7 +8,4 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 toml = "0.8"
 
-[profile.release]
-opt-level = 3
-lto = true
-strip = true
+# [profile.release] は workspace root (Cargo.toml) に集約 (ADR-026)
diff --git a/src/lib-report-formatter/Cargo.lock b/src/lib-report-formatter/Cargo.lock
deleted file mode 100644
index 90d16171..00000000
--- a/src/lib-report-formatter/Cargo.lock
+++ /dev/null
@@ -1,107 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "lib-report-formatter"
-version = "0.1.0"
-dependencies = [
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "itoa"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
-
-[[package]]
-name = "memchr"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.106"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
-dependencies = [
- "unicode-ident",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "serde"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
-dependencies = [
- "serde_core",
- "serde_derive",
-]
-
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-name = "serde_core"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "serde_derive",
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-
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-name = "serde_derive"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.149"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "itoa",
- "memchr",
- "serde",
- "serde_core",
- "zmij",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.117"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "unicode-ident"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/templates/push-runner-config.toml b/templates/push-runner-config.toml
index 26594c67..b85f76f8 100644
--- a/templates/push-runner-config.toml
+++ b/templates/push-runner-config.toml
@@ -22,6 +22,19 @@ commands = ["pnpm test"]
 name = "build"
 commands = ["pnpm build"]
 
+# Rust test group (オプション): Rust を使うプロジェクトのみ有効化してください。
+# push pipeline でのみ実行し、PostToolUse / Stop hook では走らせないことで
+# イテレーション速度を保護します。
+# 前提: ルートに Cargo workspace (Cargo.toml に [workspace] + members) があり、
+# `cargo test` で全 package が一括テストされる構成 (ADR-026)。
+# 統合テストで cwd 操作等がある場合は --test-threads=1 で直列実行してください。
+# [[quality_gate.groups]]
+# name = "rust-test"
+# commands = [
+#   "cargo test",
+#   "cargo test -- --ignored --test-threads=1",
+# ]
+
 [diff]
 # jj 環境: "jj diff -r @"
 # git 環境: "git diff origin/HEAD...HEAD"