diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
deleted file mode 100644
index 73c711a..0000000
--- a/.gitea/workflows/ci.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches:
-      - feat/解決問題
-  pull_request:
-
-jobs:
-  test:
-    runs-on: ubuntu
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install jq
-        run: sudo apt-get update && sudo apt-get install -y jq
-      - name: Run shell tests
-        run: bash tests/entrypoint.sh
diff --git a/tests/entrypoint.sh b/tests/entrypoint.sh
deleted file mode 100644
index 7eb6a4a..0000000
--- a/tests/entrypoint.sh
+++ /dev/null
@@ -1,223 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-TMP_DIR="$(mktemp -d)"
-trap 'rm -rf "${TMP_DIR}"' EXIT
-
-assert_eq() {
-  local expected="$1"
-  local actual="$2"
-
-  if [[ "${expected}" != "${actual}" ]]; then
-    printf 'Expected:\n%s\nActual:\n%s\n' "${expected}" "${actual}" >&2
-    exit 1
-  fi
-}
-
-expect_fail() {
-  if ( "$@" ) >/dev/null 2>&1; then
-    printf 'Expected failure: %s\n' "$*" >&2
-    exit 1
-  fi
-}
-
-write_mock_curl_pagination() {
-  cat > "${TMP_DIR}/curl" <<'EOF'
-#!/bin/sh
-make_versions_json() {
-  prefix="$1"
-  start="$2"
-  count="$3"
-  i=0
-  printf '['
-  while [ "$i" -lt "$count" ]; do
-    idx=$((start + i))
-    [ "$i" -gt 0 ] && printf ','
-    printf '{"name":"%s","version":"%s.%s.0","created_at":"2023-01-%02dT00:00:00Z"}' \
-      "$prefix" "$idx" "$idx" "$((idx + 1))"
-    i=$((i + 1))
-  done
-  printf ']'
-}
-
-method=GET
-out_file=
-headers_file=
-url=
-while [ "$#" -gt 0 ]; do
-  case "$1" in
-    -X) method=$2; shift 2 ;;
-    -D) headers_file=$2; shift 2 ;;
-    -o) out_file=$2; shift 2 ;;
-    -w) shift 2 ;;
-    -H|-sS) shift 1 ;;
-    *) url=$1; shift ;;
-  esac
-done
-
-body='[]'
-status='HTTP/1.1 200 OK'
-case "$url" in
-  *'/api/v1/packages/test-owner/nuget/pkg-a?page=1&limit=100')
-    body="$(make_versions_json pkg-a 0 100)"
-    ;;
-  *'/api/v1/packages/test-owner/nuget/pkg-a?page=2&limit=100')
-    body="$(make_versions_json pkg-a 100 1)"
-    ;;
-esac
-
-printf '%s' "$body" > "$out_file"
-{
-  printf '%s\n' "$status"
-  printf 'X-Request-Id: req-page\n'
-} > "$headers_file"
-
-printf '%s' 200
-EOF
-  chmod +x "${TMP_DIR}/curl"
-}
-
-write_mock_curl_collect() {
-  cat > "${TMP_DIR}/curl" <<'EOF'
-#!/bin/sh
-method=GET
-out_file=
-headers_file=
-url=
-while [ "$#" -gt 0 ]; do
-  case "$1" in
-    -X) method=$2; shift 2 ;;
-    -D) headers_file=$2; shift 2 ;;
-    -o) out_file=$2; shift 2 ;;
-    -w) shift 2 ;;
-    -H|-sS) shift 1 ;;
-    *) url=$1; shift ;;
-  esac
-done
-
-body='[]'
-status='HTTP/1.1 200 OK'
-code='200'
-case "$url" in
-  *'/api/v1/packages/test-owner/nuget/pkg-a?page=1&limit=100')
-    body='[{"name":"pkg-a","version":"1.0.0","created_at":"2023-01-01T00:00:00Z"},{"name":"pkg-a","version":"1.1.0","created_at":"2023-01-02T00:00:00Z"},{"name":"pkg-a","version":"1.2.0","created_at":"2023-01-03T00:00:00Z"}]'
-    ;;
-  *'/api/v1/packages/test-owner/nuget/pkg-b?page=1&limit=100')
-    code='404'
-    status='HTTP/1.1 404 Not Found'
-    body=''
-    ;;
-esac
-
-printf '%s' "$body" > "$out_file"
-{
-  printf '%s\n' "$status"
-  printf 'X-Request-Id: req-collect\n'
-} > "$headers_file"
-
-printf '%s' "$code"
-EOF
-  chmod +x "${TMP_DIR}/curl"
-}
-
-write_mock_curl_delete() {
-  cat > "${TMP_DIR}/curl" <<'EOF'
-#!/bin/sh
-method=GET
-out_file=
-headers_file=
-url=
-while [ "$#" -gt 0 ]; do
-  case "$1" in
-    -X) method=$2; shift 2 ;;
-    -D) headers_file=$2; shift 2 ;;
-    -o) out_file=$2; shift 2 ;;
-    -w) shift 2 ;;
-    -H|-sS) shift 1 ;;
-    *) url=$1; shift ;;
-  esac
-done
-
-code='200'
-status='HTTP/1.1 200 OK'
-body='[]'
-case "$url" in
-  *'/api/v1/packages/test-owner/nuget/pkg-a?page=1&limit=100')
-    body='[{"name":"pkg-a","version":"1.0.0","created_at":"2023-01-01T00:00:00Z"},{"name":"pkg-a","version":"0.9.0","created_at":"2022-12-31T00:00:00Z"}]'
-    ;;
-  *'/api/v1/packages/test-owner/nuget/pkg-a/1.0.0')
-    if [ "$method" = "DELETE" ]; then
-      code='204'
-      status='HTTP/1.1 204 No Content'
-      body=''
-    fi
-    ;;
-  *'/api/v1/packages/test-owner/nuget/pkg-a/0.9.0')
-    if [ "$method" = "DELETE" ]; then
-      code='404'
-      status='HTTP/1.1 404 Not Found'
-      body=''
-    fi
-    ;;
-esac
-
-printf '%s' "$body" > "$out_file"
-{
-  printf '%s\n' "$status"
-  printf 'X-Request-Id: req-delete\n'
-} > "$headers_file"
-
-if [ "$method" = "DELETE" ] && [ -n "${MOCK_DELETE_LOG:-}" ]; then
-  printf '%s %s\n' "$method" "$url" >> "$MOCK_DELETE_LOG"
-fi
-
-printf '%s' "$code"
-EOF
-  chmod +x "${TMP_DIR}/curl"
-}
-
-source "${ROOT_DIR}/entrypoint.sh"
-
-assert_eq "abc" "$(RUNNER_TOKEN=abc resolve_token)"
-expect_fail env -u RUNNER_TOKEN bash -lc "source '${ROOT_DIR}/entrypoint.sh'; resolve_token"
-
-assert_eq "5" "$(INPUT_KEEP_COUNT=5 resolve_keep_count)"
-expect_fail env INPUT_KEEP_COUNT=abc bash -lc "source '${ROOT_DIR}/entrypoint.sh'; resolve_keep_count"
-
-output="$(INPUT_PACKAGE_NAMES=$' pkg-a, pkg-b\npkg-a , pkg-c ' resolve_package_names)"
-assert_eq $'pkg-a\npkg-b\npkg-c' "${output}"
-expect_fail env INPUT_PACKAGE_NAMES=' , ' bash -lc "source '${ROOT_DIR}/entrypoint.sh'; resolve_package_names"
-
-IFS=$'\t' read -r owner repo <<< "$(parse_repo_context "owner/repo")"
-assert_eq "owner" "${owner}"
-assert_eq "repo" "${repo}"
-expect_fail bash -lc "source '${ROOT_DIR}/entrypoint.sh'; parse_repo_context 'repo'"
-
-write_mock_curl_pagination
-output="$(PATH="${TMP_DIR}:$PATH" GITEA_SERVER_URL="https://gitea.example.com" RESOLVED_GITEA_TOKEN="token" \
-  fetch_package_versions "test-owner" "pkg-a")"
-assert_eq "101" "$(jq 'length' <<<"${output}")"
-assert_eq "0.0.0" "$(jq -r '.[0].version' <<<"${output}")"
-assert_eq "100.100.0" "$(jq -r '.[100].version' <<<"${output}")"
-
-write_mock_curl_collect
-summary="$(PATH="${TMP_DIR}:$PATH" GITEA_SERVER_URL="https://gitea.example.com" RESOLVED_GITEA_TOKEN="token" \
-  collect_package_candidates "test-owner" "1" "${TMP_DIR}/candidates.tsv" "pkg-a" "pkg-b")"
-IFS=$'\t' read -r package_count total_version_count kept_count candidate_count <<< "${summary}"
-assert_eq "1" "${package_count}"
-assert_eq "3" "${total_version_count}"
-assert_eq "1" "${kept_count}"
-assert_eq "2" "${candidate_count}"
-assert_eq "2" "$(wc -l < "${TMP_DIR}/candidates.tsv" | tr -d ' ')"
-
-write_mock_curl_delete
-candidate_file="${TMP_DIR}/delete.tsv"
-cat > "${candidate_file}" <<'EOF'
-pkg-a	1.0.0	2023-01-01T00:00:00Z
-pkg-a	0.9.0	2022-12-31T00:00:00Z
-EOF
-output="$(MOCK_DELETE_LOG="${TMP_DIR}/delete.log" PATH="${TMP_DIR}:$PATH" GITEA_SERVER_URL="https://gitea.example.com" RESOLVED_GITEA_TOKEN="token" \
-  process_candidates "test-owner" "${candidate_file}" "1" "2" "1" "2" 2>&1)"
-assert_eq "1" "$(grep -c '^DELETE ' "${TMP_DIR}/delete.log")"
-assert_eq "Summary: packages=1 versions=2 kept=1 candidates=2 deleted=1 errors=1" "$(printf '%s' "${output}" | tail -n 1)"