Added persistent memory support for chat

.devcontainer/devcontainer.json

@@ -0,0 +1,33 @@
+{
+  "name": "Python 3",
+  // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+  "image": "mcr.microsoft.com/devcontainers/python:1-3.11-bullseye",
+  "customizations": {
+    "codespaces": {
+      "openFiles": [
+        "README.md",
+        "TalkHeal.py"
+      ]
+    },
+    "vscode": {
+      "settings": {},
+      "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance"
+      ]
+    }
+  },
+  "updateContentCommand": "[ -f packages.txt ] && sudo apt update && sudo apt upgrade -y && sudo xargs apt install -y <packages.txt; [ -f requirements.txt ] && pip3 install --user -r requirements.txt; pip3 install --user streamlit; echo '✅ Packages installed and Requirements met'",
+  "postAttachCommand": {
+    "server": "streamlit run TalkHeal.py --server.enableCORS false --server.enableXsrfProtection false"
+  },
+  "portsAttributes": {
+    "8501": {
+      "label": "Application",
+      "onAutoForward": "openPreview"
+    }
+  },
+  "forwardPorts": [
+    8501
+  ]
+}

.gitignore

@@ -0,0 +1,240 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+core/__pycache__/
+components/__pycache__/
+*.pyc
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+#poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+#pdm.lock
+#pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+#pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# Abstra
+# Abstra is an AI-powered process automation framework.
+# Ignore directories containing user credentials, local state, and settings.
+# Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#  Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#  that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#  and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#  you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Cursor
+#  Cursor is an AI-powered code editor. `.cursorignore` specifies files/directories to
+#  exclude from AI features like autocomplete and code analysis. Recommended for sensitive data
+#  refer to https://docs.cursor.com/context/ignore-files
+.cursorignore
+.cursorindexingignore
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*.so
+*.dll
+*.pyd
+
+# Environment files
+.env
+*.env
+
+# VSCode settings
+.vscode/
+
+# MacOS system files
+.DS_Store
+
+# Jupyter Notebook checkpoints
+.ipynb_checkpoints/
+
+# Streamlit cache
+.streamlit/
+
+# Logs and runtime
+*.log
+
+# Python virtual environments
+venv/
+env/

TalkHeal.py

@@ -1,5 +1,6 @@
 import streamlit as st
 import google.generativeai as genai
+from core.utils import save_conversations, load_conversations
 
 from core.config import configure_gemini, PAGE_CONFIG
 from core.utils import get_current_time, create_new_conversation
@@ -11,7 +12,7 @@
 if "chat_history" not in st.session_state:
     st.session_state.chat_history = []
 if "conversations" not in st.session_state:
-    st.session_state.conversations = []
+    st.session_state.conversations = load_conversations()
 if "active_conversation" not in st.session_state:
     st.session_state.active_conversation = -1
 if "mental_disorders" not in st.session_state:
@@ -46,8 +47,13 @@
 render_header()
 
 if not st.session_state.conversations:
-    create_new_conversation()
-    st.session_state.active_conversation = 0
+    saved_conversations=load_conversations()
+    if saved_conversations:
+        st.session_state.conversations=saved_conversations
+        st.session_state.active_conversation = 0
+    else:
+        create_new_conversation()
+        st.session_state.active_conversation = 0
 
 render_chat_interface()
 

components/chat_interface.py

@@ -1,11 +1,11 @@
 import streamlit as st
 from core.utils import get_current_time, get_ai_response
-from core.theme import toggle_theme, get_current_theme
 
 import streamlit.components.v1 as components
 import streamlit as st
 from datetime import datetime, timedelta
 import json
+from core.utils import save_conversations, load_conversations
 
 def set_user_time_in_session():
     if "user_time_offset" not in st.session_state:
@@ -103,12 +103,23 @@ def handle_chat_input(model):
                 "message": user_input.strip(), 
                 "time": current_time
             })
+            save_conversations(st.session_state.conversations)
             if len(active_convo["messages"]) == 1:
                 title = user_input[:30] + "..." if len(user_input) > 30 else user_input
                 active_convo["title"] = title
             with st.spinner("TalkHeal is thinking..."):
                 try:
-                    ai_response = get_ai_response(user_input.strip(), model)
+                    def format_memory_for_prompt(convo_history, max_turns=10):
+                        context = ""
+                        for msg in convo_history[-max_turns*2:]:  # user+bot per turn
+                            sender = "User" if msg["sender"] == "user" else "Bot"
+                            context += f"{sender}: {msg['message']}\n"
+                        return context
+
+                    context = format_memory_for_prompt(active_convo["messages"])
+                    full_prompt = context + f"User: {user_input.strip()}\nBot:"
+
+                    ai_response = get_ai_response(full_prompt, model)
 
                     active_convo["messages"].append({
                         "sender": "bot", 
@@ -123,4 +134,5 @@ def handle_chat_input(model):
                         "message": "I apologise, but I'm having trouble responding right now. Please try again in a moment.", 
                         "time": get_current_time()
                     })
+                    save_conversations(st.session_state.conversations)
             st.rerun()

components/sidebar.py

@@ -128,6 +128,10 @@ def render_sidebar():
 
                 if col_confirm.button("Yes, delete", key="confirm_delete"):
                     del st.session_state.conversations[st.session_state.delete_candidate]
+
+                    from core.utils import save_conversations
+                    save_conversations(st.session_state.conversations)
+
                     del st.session_state.delete_candidate
                     st.session_state.active_conversation = -1
                     st.rerun()