docs(changes): +CHANGES.md

Author: TomMonks

CHANGES.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). Dates formatted as YYYY-MM-DD as per [ISO standard](https://www.iso.org/iso-8601-date-and-time-format.html).
+
+Consistent identifier (represents all versions, resolves to latest): 
+
+## Unreleased
+
+Initial release. Feasibility of the approach. Simple commend line interface enhanced using `rich`. Tested with gemma3:27b and mistral:7b via Ollama. Running on RTX 4080.
+
+### Added
+
+* `model.py` - simple urgent care call centre model. Serves as the simulation layer.
+* `mcp_server.py` - Model Context Protocol layer implemented using `FastMCP`. 
+* `agent_self_reflection.py`: `LangGraph` state chart agent.  Self reflection fixes paramter generation mistakes
+* `agent_planning_workflow.py`: LangChain implementation. Agent discovers servers abilities and reasons about the order in which to take action. 
+* Repo fundamentals: citation info, license, change log, environment file, readme.
+