chore: remove repository-fanout distributed files (project retired)

.github/CODEOWNERS

@@ -1,3 +1 @@
-# >>> repository-fanout managed >>>
 * @kukv
-# <<< repository-fanout managed <<<

.github/workflows/security.yml

@@ -1,11 +1,5 @@
 name: security
 
-# fanout(bright-room/canonical-files)が配布する共通セキュリティ検査(層1・言語非依存)。
-# このファイルは fanout 管理(replaced)。直接編集しても次回同期で差し戻される。
-# 変更は canonical-files の templates/security-workflow.liquid へ。
-# policy ジョブのルール本体は bright-room/repo-policies(main 参照)で一元管理。
-# 設計: repository-fanout docs/superpowers/specs/2026-07-14-security-fanout-design.md
-
 on:
   pull_request:
   push:
@@ -20,47 +14,6 @@ concurrency:
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 jobs:
-  # 不可視 Unicode / Trojan Source(全テキストファイル・言語非依存)
-  hidden-unicode:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: scan source files
-        run: |
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='**/*.{go,java,kt,kts,rs,ts,tsx,js,jsx,mjs,cjs,py,rb,php,c,h,cpp,sh,tf,toml,yml,yaml,json,md}'
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='.github/**/*.{yml,yaml,md,json}'
-      - name: scan AI rules files
-        run: |
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='**/{CLAUDE.md,AGENTS.md,.cursorrules,.clinerules,.windsurfrules,*.mdc,copilot-instructions.md}'
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='.github/copilot-instructions.md'
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='.cursor/rules/*.mdc'
-          npx --yes anti-trojan-source@1.12.0 --verbose \
-            --files='.claude/**/*.md'
-
-  # シークレット検知(全履歴)
-  secrets:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          fetch-depth: 0
-          persist-credentials: false
-      - name: gitleaks
-        run: |
-          docker run --rm -v "$PWD:/repo" ghcr.io/gitleaks/gitleaks:v8.30.1 \
-            git /repo --redact --verbose --exit-code 1
-
   # 多エコシステム SCA(lockfile を再帰自動検出。リポ直下の osv-scanner.toml は自動適用)
   sca:
     runs-on: ubuntu-latest
@@ -76,39 +29,3 @@ jobs:
             --recursive
             --include-git-root
             ./
-
-  # workflow YAML 自体の静的解析(オフライン。findings で exit 非ゼロ)
-  workflow-audit:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: zizmor
-        run: pipx run zizmor==1.26.1 --offline .
-
-  # プロジェクト設定のセキュリティ前提検査(ルールは bright-room/repo-policies で一元管理)
-  policy:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          repository: bright-room/repo-policies
-          ref: main
-          path: .repo-policies
-          persist-credentials: false
-      - name: collect facts
-        run: .repo-policies/scripts/collect-facts.sh . | tee /tmp/facts.json
-      - name: conftest
-        run: |
-          docker run --rm \
-            -v "$PWD/.repo-policies/policy:/policy:ro" \
-            -v /tmp/facts.json:/facts.json:ro \
-            openpolicyagent/conftest:v0.68.2 test --policy /policy /facts.json

.gitignore

@@ -1,4 +1,3 @@
-# >>> repository-fanout managed >>>
 ### JetBrains IDEs ###
 .fleet/
 .idea/
@@ -43,7 +42,6 @@ HELP.md
 ### go ###
 coverage.out
 *.exe
-# <<< repository-fanout managed <<<
 bin/
 
 ### Test / coverage artifacts ###