feat(app): Update introduction message to include version and source information

- Modified the introduction message to display the current version of Eva and added a note about the demo app's creation using Adobe Research PsTuts data.
- Updated the version number in `version.py` from 0.9.9 to 1.0.0.

TODO.md

@@ -1,7 +1,7 @@
 # 📝 TODOs in Codebase
 
-- `./app.py:45:# TODO: Create an introduction message here that explains the purpose of the app`
-- `./app.py:246:    # TODO: Make the step label update instead of add`
+- `./app.py:46:# TODO: Create an introduction message here that explains the purpose of the app`
+- `./app.py:248:    # TODO: Make the step label update instead of add`
 - `./pstuts_rag/pstuts_rag/datastore.py:26:# TODO: Write MCP server that ingests `mp4` folder`
 - `./pstuts_rag/pstuts_rag/datastore.py:66:# TODO: accumulate transcripts of videos when loading, summarize each, then summarize summaries to get a description of the dataset for the prompt`
 - `./pstuts_rag/pstuts_rag/nodes.py:113:# TODO More robust generation of queries - multiquery launch`

app.py

@@ -27,6 +27,7 @@ from pstuts_rag.nodes import (
     YesNoDecision,
 )
 from pstuts_rag.utils import get_unique
+from version import __version__
 
 # Track the single active session
 active_session = {"id": None, "timestamp": None}
@@ -97,8 +98,9 @@ async def on_chat_start():
     # Eva introduction message
     await cl.Message(
         content=(
-            "👋 Hi there! I'm **Eva**, your friendly Photoshop expert AI.\n\n"
+            f"👋 Hi there! I'm **Eva v.{__version__}**, your friendly Photoshop expert AI.\n\n"
             "---\n\n"
+            "I was created as the demo app for [AI Makerspace](aimakerspace.io) Cohort 6 using Adobe Research [PsTuts data](https://github.com/adobe-research/PsTuts-VQA-Dataset).\n"
             "I'm here to help you with all your Photoshop questions, using real answers from training video transcripts. 🎥✨\n\n"
             "**How I work:**\n"
             "- I answer using only what's in the official training videos and in Adobe Help website.\n"

docs/DEVELOPER.md

@@ -268,6 +268,54 @@ ipdb  # Available for interactive debugging
    - `evaluate_rag.ipynb` for systematic evaluation
    - Fine-tuning experiments in `Fine_Tuning_Embedding_for_PSTuts.ipynb`
 
+## 🏷️ Versioning & Automated Tagging Workflow
+
+This project uses **semantic versioning** and automated GitHub Actions to keep track of releases and make version management a breeze! 🚀
+
+### 📦 Where is the version stored?
+- The current app version is stored in [`version.py`](../version.py) at the project root:
+  ```python
+  __version__ = "1.0.0"
+  ```
+- This version is displayed to users in the app UI ("I'm Eva v.X.Y.Z...").
+
+### 🔼 How to bump the version
+1. Edit `version.py` and update the `__version__` string (e.g., to `1.1.0`).
+2. Commit the change to the `main` branch:
+   ```bash
+   git add version.py
+   git commit -m "chore: Bump version to 1.1.0"
+   git push
+   ```
+
+### 🤖 What happens next? (GitHub Actions magic)
+- On every push to `main` that changes `version.py`, a GitHub Actions workflow (`.github/workflows/tag-on-version.yml`) runs:
+  1. Extracts the version from `version.py`.
+  2. Checks if a tag `vX.Y.Z` already exists.
+  3. If not, creates and pushes a tag (e.g., `v1.1.0`) to the repo.
+- The workflow uses the official [`actions/checkout`](https://github.com/actions/checkout) and is granted `contents: write` permission to push tags.
+
+### 🏷️ Tags & Releases
+- Tags are visible in the [GitHub Releases](../../releases) and [Tags](../../tags) pages.
+- You can create a GitHub Release from any tag for changelogs, downloads, etc.
+- The latest version is always shown in the README badge:
+  ![GitHub tag (latest by date)](https://img.shields.io/github/v/tag/mbudisic/PsTuts-RAG?label=version&sort=semver)
+
+### 📝 Example: Bumping the Version
+```bash
+# 1. Edit version.py to set __version__ = "1.2.0"
+# 2. Commit and push to main
+# 3. The workflow will create and push tag v1.2.0 automatically!
+```
+
+### 📚 References
+- [PEP 396 – Module Version Numbers](https://peps.python.org/pep-0396/)
+- [GitHub Actions: Workflow syntax](https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions)
+- [GitHub Actions: GITHUB_TOKEN permissions](https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token)
+- [shields.io: GitHub tag badge](https://shields.io/category/version)
+
+---
+
 ## 🌊 Lazy Graph Initialization
 
 The project uses a **lazy initialization pattern** for the LangGraph to avoid expensive compilation during module imports while maintaining compatibility with LangGraph Studio.

version.py

@@ -1 +1 @@
-__version__ = "0.9.9"
+__version__ = "1.0.0"