docs: add MIT license, security policy, and README updates

Generic sample import instructions; expand CONTRIBUTING with upstream remote.

Co-authored-by: Cursor <cursoragent@cursor.com>

CONTRIBUTING.md

@@ -4,9 +4,18 @@
 
 ## 流程摘要
 
-1. Fork 本仓库，克隆你的 Fork。
-2. 基于当前默认分支（一般为 `main`）创建主题分支，例如 `fix/...` 或 `feat/...`。
-3. 提交并推送到你的 Fork，在 GitHub 上向本仓库发起 PR，说明变更内容与测试方式。
+1. **Fork** 本仓库，克隆你的 Fork。
+2. （推荐）添加上游便于同步：
+
+   ```text
+   git remote add upstream https://github.com/hansjone/netx.git
+   git fetch upstream
+   git checkout -b feat/your-topic upstream/main
+   ```
+
+3. 若未添加上游，则基于当前默认分支（一般为 `main`）创建主题分支，例如 `fix/...` 或 `feat/...`。
+4. 提交并推送到你的 Fork：`git push -u origin feat/your-topic`
+5. 在 GitHub 上向 `hansjone/netx` 发起 **Pull Request**，说明变更内容与测试方式。
 
 ## 合并前注意
 

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 hansjone and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -2,6 +2,8 @@
 
 Independent operations tool (web + MCP) for alarm-centric workflows.
 
+Licensed under the [MIT License](LICENSE). Security reports: [SECURITY.md](SECURITY.md).
+
 ## Phase 1 scope
 
 - Import ZTE Alarm Monitor Excel
@@ -142,9 +144,7 @@ Optional: configure oclaw health check endpoint (defaults shown in `.env.example
 
 ## Key sample file
 
-Phase 1 parser is tuned for:
-
-`D:/project/chatgpt/fm-active-Alarm Monitor-CHEN-20260423100105/fm-active-Alarm Monitor-CHEN-20260423100105.xlsx`
+Phase 1 parser (`netx_api/config/parsers/zte_alarm_monitor_v1.yaml`) is tuned for **ZTE Alarm Monitor** style exports. Use any local path: place your `.xlsx` on disk and import it from the web UI or API (`POST /v1/alarms/import`). A typical filename pattern is `fm-active-Alarm Monitor-*-YYYYMMDDhhmmss.xlsx` (columns are resolved via YAML aliases, not by absolute path).
 
 ## Contributing
 

SECURITY.md

@@ -0,0 +1,21 @@
+# Security policy
+
+## Supported versions
+
+Security fixes are applied on the default branch (`main`) when practical. Use the latest commit for deployments.
+
+## Reporting a vulnerability
+
+Please **do not** open a public GitHub issue for undisclosed security problems.
+
+Use **GitHub private vulnerability reporting** for this repository:
+
+[Submit a private security advisory](https://github.com/hansjone/netx/security/advisories/new)
+
+Include:
+
+- A short description of the impact
+- Steps to reproduce (or proof-of-concept) if you can share them safely
+- Affected API route, UI surface, or dependency (if known)
+
+We will treat reports as confidential and coordinate a fix and disclosure timeline with you when possible.