chore: add LICENSE, .env.example, and bump dependency pins

.env.example

@@ -0,0 +1,44 @@
+# CIIMS environment configuration reference.
+#
+# config.py already ships with safe, working defaults for every setting
+# below, so CIIMS runs without a .env file. Copy this file to `.env` and
+# uncomment/edit only the values you need to override:
+#
+#   cp .env.example .env
+#
+# See config.example.py for the full list of supported settings.
+
+# ---- Database ----
+# DB_HOST=localhost
+# DB_USER=root
+# DB_PASSWORD=your_password
+# DB_DATABASE=campus_system
+# DB_CHARSET=utf8mb4
+# DB_POOL_SIZE=5
+
+# ---- Face recognition (optional - module not bundled, see README) ----
+# FACE_RECOGNITION_MODEL_PATH=model/trainer.yml
+# FACE_RECOGNITION_HAAR_CASCADE_PATH=haarcascade_frontalface_default.xml
+# FACE_RECOGNITION_CONFIDENCE_THRESHOLD=50
+# FACE_RECOGNITION_PREDICTION_THRESHOLD=70
+# FACE_RECOGNITION_TIMEOUT_SECONDS=30
+
+# ---- AI Assistant (optional - leave unset to disable) ----
+# OPENROUTER_API_KEY=your_api_key_here
+# OPENROUTER_MODEL=deepseek/deepseek-chat
+# OPENROUTER_BASE_URL=https://openrouter.ai/api/v1
+# CIIMS_PROXY_URL=http://127.0.0.1:7897
+
+# ---- Application ----
+# APP_NAME=CIIMS
+# APP_VERSION=1.0.0
+# DEBUG=False
+
+# ---- Logging ----
+# LOG_LEVEL=INFO
+# LOG_DIR=logs
+# LOG_MAX_BYTES=10485760
+# LOG_BACKUP_COUNT=5
+
+# ---- Security ----
+# PASSWORD_HASH_ROUNDS=12

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Bryte
+
+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

@@ -50,8 +50,9 @@ pip install -r requirements.txt
 4. Configuration
 ```bash
 # config.py already ships with safe, environment-driven defaults.
-# Optionally create a .env file (see below) to override database and
+# Optionally copy .env.example to .env to override database and
 # API settings without editing config.py directly.
+cp .env.example .env
 ```
 
 5. Database setup
@@ -114,6 +115,7 @@ ciims/
 ├── scripts/              # Utility scripts (sample data generation, etc.)
 ├── config.py             # Runtime configuration (env-driven, no secrets)
 ├── config.example.py     # Reference/documentation for all config options
+├── .env.example          # Copy to .env to override config.py defaults
 └── main.py               # Application entry point
 ```
 
@@ -124,7 +126,7 @@ above.
 
 ### License
 
-This project is licensed under the MIT License.
+This project is licensed under the [MIT License](LICENSE).
 
 ---
 
@@ -178,8 +180,9 @@ pip install -r requirements.txt
 4. 配置
 ```bash
 # config.py 已内置基于环境变量的安全默认值，开箱即用。
-# 如需覆盖数据库或 API 设置，可创建 .env 文件（变量说明参见英文部分的
-# Configuration 小节，或直接查看 config.example.py）。
+# 如需覆盖数据库或 API 设置，可复制 .env.example 为 .env（变量说明参见
+# 英文部分的 Configuration 小节，或直接查看 config.example.py）。
+cp .env.example .env
 ```
 
 5. 数据库设置

requirements.txt

@@ -1,4 +1,4 @@
-PySide6==6.10.3
-mysql-connector-python==9.4.0
-python-dotenv==1.1.1
+PySide6==6.11.2
+mysql-connector-python==9.7.0
+python-dotenv==1.2.3
 httpx==0.28.1