docs: remove coursework wording from readmes

Author: beautifulrem

README.md

@@ -17,7 +17,7 @@
 
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-FinSight is an evidence-first financial analysis chatbot for ARIN7012 Group 4.2. It turns a natural-language finance question into auditable evidence artifacts, then presents a risk-aware answer through a local browser chatbot.
+FinSight is an evidence-first financial analysis chatbot. It turns a natural-language finance question into auditable evidence artifacts, then presents a risk-aware answer through a local browser chatbot.
 
 The project is designed around a simple rule: the system should retrieve and expose evidence before it writes a financial answer. The backend identifies intent, entities, required evidence, source plans, retrieved documents, structured market data, numerical signals, sentiment evidence, and cited answer JSON.
 
@@ -211,4 +211,4 @@ Start with [docs/index.md](docs/index.md).
 
 ## Safety
 
-FinSight is a research and coursework prototype. It summarizes evidence and can help inspect financial information, but it is not an investment adviser and must not be used as the sole basis for trading decisions.
+FinSight summarizes evidence and can help inspect financial information, but it is not an investment adviser and must not be used as the sole basis for trading decisions.

README_CN.md

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-FinSight 是 ARIN7012 Group 4.2 的证据优先金融分析聊天机器人。它把自然语言金融问题转换为可审计的证据产物，再通过本地网页 Chatbot 输出带风险提示的回答。
+FinSight 是证据优先的金融分析聊天机器人。它把自然语言金融问题转换为可审计的证据产物，再通过本地网页 Chatbot 输出带风险提示的回答。
 
 项目遵循一个核心原则：先检索和暴露证据，再生成金融回答。后端会识别意图、实体、证据需求、source plan、文档证据、结构化行情数据、数值信号、情感证据和带引用的回答 JSON。
 
@@ -211,4 +211,4 @@ python -m pytest tests/test_llm_response.py -q
 
 ## 风险说明
 
-FinSight 是研究和课程项目原型。它用于汇总证据和辅助查看金融信息，不是投资顾问，也不能作为交易决策的唯一依据。
+FinSight 用于汇总证据和辅助查看金融信息，不是投资顾问，也不能作为交易决策的唯一依据。