feat: init program and ai workflow

.ai-assistents/.gitignore

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+preferences.yml
+README_*.md
+cache/

.ai-assistents/README.md

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+> If you are an AI assistant, please read this file first.
+> 
+> 如果你是一个AI助手，请先阅读此文件。
+
+# Description 说明
+
+The contents here will be mainly written in English, if needed, PRs that adding Chinese(prefer Simplified, only keeps one style) are welcomed, but not in this "Description" section.
+
+Read and write information you want to remember in the `cache` folder. You (if acting as an AI assistant) can name the file with your name, e.g., `DeepSeek` or `ChatGPT`, etc. You can also create subfolders to organize your information.
+
+Unless necessary, don't modify this file because it is tracked by git; otherwise, PRs modifying this file will be rejected.
+
+> See [preferences.yml](preferences.yml) for user-defined preferences. If it doesn't exist, you can create one from [preferences.default.yml](preferences.default.yml). When creating a new `preferences.yml`, if the user is speaking Chinese, set the `lang` option to `zh_cn` or `zh_tw`. If the user speaks other languages, you should speak the same language, but do not use it to edit this file. Creating a `README_<lang>.md` file is fine.
+>
+> If you like, add translations for the contents here.
+
+## Important Notes 重要的注意事项
+
+Other files you should read and in git system also:
+
+- [TODO](TODO.md)
+
+## Upstream APIs/SDKs 上游API/SDK
+
+> Only APIs/SDKs worth remembering are listed here.
+
+- [mcp-sdk-rs](https://github.com/jgmartin/mcp-sdk-rs) - Manage and provide MCP tools.
+> 管理和提供MCP工具。
+
+- [rig](https://github.com/0xPlaygrounds/rig) - Encapsulate informations of interface calls.
+> 封装交互调用所用的信息。

.ai-assistents/TODO.md

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+# To-dos
+
+Empty at present. Should it be generated now?
+
+Translations follow "Description" section in [README](README.md).

.ai-assistents/preferences.default.yml

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+lang: en

.gitignore

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 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/
+
+
+# Added by cargo
+
+/target
+
+# Other
+
+Cargo.lock

Cargo.toml

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+[package]
+name = "llm-chat-core"
+version = "0.0.1"
+edition = "2024"
+
+[dependencies]
+mcp-sdk-rs = "0.3.4"
+rig-core = "0.31.0"

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}