Model Context Protocol (MCP) support with new use case (#42)

* initial mcp

* food ordering with mcp

* prompt eng

* splitting out goals and updating docs

* a diff so I can get tests from codex

* a diff so I can get tests from codex

* oops, missing files

* tests, file formatting

* readme and setup updates

* setup.md link fixes

* readme change

* readme change

* readme change

* stripe food setup script

* single agent mode default

* prompt engineering for better multi agent performance

* performance should be greatly improved

* Update goals/finance.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update activities/tool_activities.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* co-pilot PR suggested this change, and now fixed it

* stronger wording around json format response

* formatting

* moved docs to dir

* moved image assets under docs

* cleanup env example, stripe guidance

* cleanup

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

docs/changelog.md

@@ -0,0 +1,30 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [0.2.0] - 2025-04-24
+
+![0.2.0 Changes Screenshot](./assets/0.2.0_changes.jpeg)
+
+### Added
+- **Multi‑goal agent architecture** with dynamic goal switching (`goal_choose_agent_type`, `ListAgents`, `ChangeGoal`).
+    - See [the architecture guide](./architecture.md) and [setup guide](./setup.md).
+- **New goal categories & agents**: HR PTO scheduling/checking, paycheck integration, Financial (balances, money movement, loan application), E‑commerce order tracking.
+    - See [the guide for adding goals and tools](./adding-goals-and-tools.md).
+- **Force Confirmation**: `SHOW_CONFIRM` will show a confirmation box before allowing the agent to run a tool.
+- **Grok (`x.ai`) LLM provider** support via `GROK_API_KEY`.
+- Extensive **docs**: `setup.md`, `architecture.md`, `architecture-decisions.md`, `adding-goals-and-tools.md`, plus new diagrams & assets.
+
+### Changed
+- **UI Confirmation Box** is less 'debug' looking and prettier.
+- Package renamed to **`temporal_AI_agent`** and version bumped to **0.2.0** in `pyproject.toml`.
+- Environment variables changed (see `.env_example`): (`RAPIDAPI_HOST_*`, `AGENT_GOAL` defaults, `GOAL_CATEGORIES`, `SHOW_CONFIRM`, `FIN_START_REAL_WORKFLOW`).
+
+## [0.1.0] - 2025-01-04
+
+### Added
+- **Initial release** of the Temporal AI Agent demo.
+- **Single goal agent** architecture with a single goal and agent type.
+    - This is the agent demoed in the [YouTube video](https://www.youtube.com/watch?v=GEXllEH2XiQ).
+
+[0.2.0]: https://github.com/temporal-community/temporal-ai-agent/pull/29