feat: initialize ansible-vault secret repository

.gitignore

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+*.log
+*.retry
+.env
+.env.*
+__pycache__/
+*.pyc
+.DS_Store
+.vault_pass.txt
+secrets/plaintext/

README.md

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+# Agent Secret Vault
+
+這個 repo 專門存放本地 AI agent 開發會用到的機密管理機制。
+
+核心設計：
+- 使用 `ansible-vault` 作為加密格式
+- 加密檔可進 git
+- vault password file 只放在本機
+- 多個 agent 透過統一腳本存取 secrets
+
+## 內容
+- `scripts/vault.sh`：初始化、檢視、編輯、加密、解密、rekey
+- `docs/secret-vault.md`：使用說明與設計原則
+- `secrets/vault.yml`：加密後 secrets 檔
+
+## 目標
+- 讓 Hermes / OpenClaw / cron worker / 其他本地 agent 共用同一套 secret storage contract
+- 不把明文 secret 留在 repo
+- 不讓每個 agent 各自發明一套 credential 管理方式

docs/secret-vault.md

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+# Secret Vault
+
+這個 repo 使用 `ansible-vault` 來保存開發過程中需要的機密資訊。
+
+## 設計
+- 加密檔：`secrets/vault.yml`
+- 本機 vault password file：`~/.config/continuous-ai-workflow-spec/vault-pass.txt`
+- 管理腳本：`scripts/vault.sh`
+
+## 原則
+- 加密後的 `secrets/vault.yml` 可以進 git
+- `vault-pass.txt` 只放在本機，不進 git
+- 解密後的暫存 plaintext 檔不要提交
+
+## 常用指令
+初始化：
+```bash
+./scripts/vault.sh init
+```
+
+檢視：
+```bash
+./scripts/vault.sh view
+```
+
+編輯：
+```bash
+./scripts/vault.sh edit
+```
+
+把一份 plaintext YAML 加密成 vault：
+```bash
+./scripts/vault.sh encrypt /tmp/my-secrets.yml
+```
+
+解密到暫存檔：
+```bash
+./scripts/vault.sh decrypt /tmp/vault.yml
+```
+
+重置 vault key：
+```bash
+./scripts/vault.sh rekey
+```
+
+## 建議格式
+```yaml
+gitea:
+  base_url: https://gitea.cowbay.org
+  ssh_url_template: ssh://git@gitea.cowbay.org:2203/{owner}/{repo}.git
+  account: hermes
+  email: hermes@ntu.edu.rs
+  password: ...
+  api_token: ...
+```

scripts/vault.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+VAULT_FILE="${VAULT_FILE:-$REPO_DIR/secrets/vault.yml}"
+VAULT_PASS_FILE="${VAULT_PASS_FILE:-$HOME/.config/continuous-ai-workflow-spec/vault-pass.txt}"
+
+usage() {
+  cat <<EOF
+用法:
+  scripts/vault.sh init         初始化 vault password file（若不存在）
+  scripts/vault.sh view         檢視加密檔內容
+  scripts/vault.sh edit         編輯加密檔內容
+  scripts/vault.sh encrypt FILE 將檔案加密成 ansible-vault 格式
+  scripts/vault.sh decrypt OUT  解密到指定輸出檔
+  scripts/vault.sh rekey        重新加密並更新 key
+EOF
+}
+
+ensure_pass() {
+  mkdir -p "$(dirname "$VAULT_PASS_FILE")"
+  chmod 700 "$(dirname "$VAULT_PASS_FILE")" || true
+  if [ ! -f "$VAULT_PASS_FILE" ]; then
+    umask 177
+    python3 - <<'PY' > "$VAULT_PASS_FILE"
+import secrets
+print(secrets.token_urlsafe(48))
+PY
+    chmod 600 "$VAULT_PASS_FILE"
+    echo "已建立 vault password file: $VAULT_PASS_FILE"
+  fi
+}
+
+cmd="${1:-}"
+case "$cmd" in
+  init)
+    ensure_pass
+    ;;
+  view)
+    ensure_pass
+    ansible-vault view "$VAULT_FILE" --vault-password-file "$VAULT_PASS_FILE"
+    ;;
+  edit)
+    ensure_pass
+    [ -f "$VAULT_FILE" ] || { echo "找不到 $VAULT_FILE"; exit 1; }
+    ansible-vault edit "$VAULT_FILE" --vault-password-file "$VAULT_PASS_FILE"
+    ;;
+  encrypt)
+    ensure_pass
+    src="${2:-}"
+    [ -n "$src" ] || { usage; exit 1; }
+    cp "$src" "$VAULT_FILE"
+    ansible-vault encrypt "$VAULT_FILE" --vault-password-file "$VAULT_PASS_FILE"
+    ;;
+  decrypt)
+    ensure_pass
+    out="${2:-}"
+    [ -n "$out" ] || { usage; exit 1; }
+    ansible-vault decrypt "$VAULT_FILE" --output "$out" --vault-password-file "$VAULT_PASS_FILE"
+    chmod 600 "$out" || true
+    ;;
+  rekey)
+    ensure_pass
+    tmp_new="$(mktemp)"
+    chmod 600 "$tmp_new"
+    python3 - <<'PY' > "$tmp_new"
+import secrets
+print(secrets.token_urlsafe(48))
+PY
+    ansible-vault rekey "$VAULT_FILE"       --vault-password-file "$VAULT_PASS_FILE"       --new-vault-password-file "$tmp_new"
+    mv "$tmp_new" "$VAULT_PASS_FILE"
+    chmod 600 "$VAULT_PASS_FILE"
+    echo "已更新 vault key: $VAULT_PASS_FILE"
+    ;;
+  *)
+    usage
+    exit 1
+    ;;
+esac

secrets/vault.yml

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+$ANSIBLE_VAULT;1.1;AES256
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