feat: frps-manager v1.0 - frp 0.70.1 multi-tenant web management system

- Multi-tenant client/proxy management with Flask+SQLite
- Frps server control (start/restart/token rotation)
- Generate frpc.ini with shared server token + admin API
- Dashboard API integration (live client/proxy status)
- RBAC: admin/tenant_admin/user roles
- Audit logging for all operations
- Systemd service files included
- Requires legacy INI format (frp 0.70 TOML auth broken)

templates/proxy_form.html

@@ -0,0 +1,67 @@
+{% extends "base.html" %}
+{% block title %}{{ '编辑' if item else '新建' }}代理 · frps-manager{% endblock %}
+{% block content %}
+<h1>{{ '编辑代理' if item else '新建代理规则' }}</h1>
+<form method="post" class="form-card">
+  {% if item %}
+  <label>名称 <input value="{{ item.name }}" disabled></label>
+  <label>类型 <input value="{{ item.type }}" disabled></label>
+  <label>客户端 <input value="{{ item.client.name }} ({{ item.client.tenant.name }})" disabled></label>
+  {% else %}
+  <label>客户端
+    <select name="client_id" required>
+      {% for c in clients %}<option value="{{ c.id }}" {% if prefill_client == c.id %}selected{% endif %}>{{ c.name }} ({{ c.tenant.name }})</option>{% endfor %}
+    </select>
+  </label>
+  <label>名称 <input name="name" required pattern="[a-zA-Z0-9_.-]+"></label>
+  <label>类型
+    <select name="type" required>
+      {% for t in types %}<option value="{{ t }}">{{ t }}</option>{% endfor %}
+    </select>
+  </label>
+  {% endif %}
+
+  <fieldset>
+    <legend>本地服务（frpc 那台机器上的）</legend>
+    <label>本地 IP <input name="local_ip" value="{{ item.local_ip if item else '127.0.0.1' }}"></label>
+    <label>本地端口 <input name="local_port" type="number" min="1" max="65535" required value="{{ item.local_port if item else '' }}"></label>
+  </fieldset>
+
+  <fieldset>
+    <legend>对外暴露（frps 上的端口 / 域名）</legend>
+    <label>远端端口 (tcp/udp 专用) <input name="remote_port" type="number" min="1" max="65535" value="{{ item.remote_port or '' }}"></label>
+    <label>custom_domains (http/https，逗号分隔) <input name="custom_domains" value="{{ item.custom_domains or '' }}" placeholder="a.example.com,b.example.com"></label>
+    <label>subdomain (http/https) <input name="subdomain" value="{{ item.subdomain or '' }}"></label>
+    <label>locations (http 路径，逗号分隔) <input name="locations" value="{{ item.locations or '' }}" placeholder="/api,/static"></label>
+  </fieldset>
+
+  <fieldset>
+    <legend>传输 / 健康检查</legend>
+    <label class="checkbox"><input type="checkbox" name="use_encryption" {% if item and item.use_encryption %}checked{% endif %}> 启用加密</label>
+    <label class="checkbox"><input type="checkbox" name="use_compression" {% if item and item.use_compression %}checked{% endif %}> 启用压缩</label>
+    <label>健康检查类型
+      <select name="health_check_type">
+        <option value="">不启用</option>
+        <option value="tcp" {% if item and item.health_check_type == 'tcp' %}selected{% endif %}>tcp</option>
+        <option value="http" {% if item and item.health_check_type == 'http' %}selected{% endif %}>http</option>
+      </select>
+    </label>
+    <label>健康检查 URL (http 类型) <input name="health_check_url" value="{{ item.health_check_url or '' }}" placeholder="/health"></label>
+    <label>健康检查间隔(秒) <input name="health_check_interval_s" type="number" min="5" value="{{ item.health_check_interval_s if item else 30 }}"></label>
+    <label>健康检查超时(秒) <input name="health_check_timeout_s" type="number" min="1" value="{{ item.health_check_timeout_s if item else 3 }}"></label>
+  </fieldset>
+
+  <label>备注 <textarea name="note" rows="2">{{ item.note or '' if item else '' }}</textarea></label>
+  <label class="checkbox"><input type="checkbox" name="is_enabled" {% if item is none or item.is_enabled %}checked{% endif %}> 启用</label>
+
+  <p class="muted small">
+    保存后，frpc 主机的 <code>frpc.ini</code> 需要重新拉取（点客户端列表的 <strong>frpc.ini</strong> 按钮），
+    然后在 frpc 主机执行 <code>frpc reload -c /etc/frpc.ini</code> 让新代理生效。
+  </p>
+
+  <div class="form-actions">
+    <button class="btn btn-primary" type="submit">保存</button>
+    <a class="btn" href="{{ url_for('proxies_list') }}">取消</a>
+  </div>
+</form>
+{% endblock %}