feat: complete project migration to modern tech stack (Python 3.13, FastAPI, PostgreSQL 16)

.env.example

@@ -0,0 +1,40 @@
+# ===================================
+# Database Configuration
+# ===================================
+# For docker-compose
+POSTGRES_USER=memu_user
+POSTGRES_PASSWORD=memu_pass
+POSTGRES_DB=memu_db
+
+# For application
+DATABASE_HOST=localhost
+DATABASE_PORT=54320
+DATABASE_USER=memu_user
+DATABASE_PASSWORD=memu_pass
+DATABASE_NAME=memu_db
+
+# ===================================
+# Temporal Configuration
+# ===================================
+TEMPORAL_HOST=localhost
+TEMPORAL_PORT=17233
+TEMPORAL_NAMESPACE=default
+
+# ===================================
+# LLM Configuration
+# ===================================
+OPENAI_API_KEY=your_openai_api_key_here
+OPENAI_BASE_URL=https://api.openai.com/v1
+DEFAULT_LLM_MODEL=gpt-4o-mini
+
+# ===================================
+# Embedding Configuration
+# ===================================
+EMBEDDING_API_KEY=your_embedding_api_key_here
+EMBEDDING_BASE_URL=https://api.voyageai.com/v1
+EMBEDDING_MODEL=voyage-3.5-lite
+
+# ===================================
+# Storage Configuration
+# ===================================
+STORAGE_PATH=/var/data/memu-server

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -7,7 +7,7 @@ body:
     attributes:
       value: |
         Thanks for taking the time to report a bug! Please fill out the form below.
-  
+
   - type: textarea
     id: description
     attributes:
@@ -16,7 +16,7 @@ body:
       placeholder: Describe the bug...
     validations:
       required: true
-  
+
   - type: textarea
     id: reproduction
     attributes:
@@ -28,7 +28,7 @@ body:
         3. See error
     validations:
       required: true
-  
+
   - type: textarea
     id: expected
     attributes:
@@ -37,7 +37,7 @@ body:
       placeholder: What should happen?
     validations:
       required: true
-  
+
   - type: textarea
     id: actual
     attributes:
@@ -46,7 +46,7 @@ body:
       placeholder: What actually happened?
     validations:
       required: true
-  
+
   - type: textarea
     id: environment
     attributes:
@@ -58,7 +58,7 @@ body:
         - memU-server Version: [e.g. 1.0.0]
     validations:
       required: false
-  
+
   - type: textarea
     id: logs
     attributes:
@@ -67,7 +67,7 @@ body:
       render: shell
     validations:
       required: false
-  
+
   - type: textarea
     id: additional
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -7,7 +7,7 @@ body:
     attributes:
       value: |
         Thanks for suggesting a new feature! Please fill out the form below.
-  
+
   - type: textarea
     id: problem
     attributes:
@@ -16,7 +16,7 @@ body:
       placeholder: I'm always frustrated when...
     validations:
       required: true
-  
+
   - type: textarea
     id: solution
     attributes:
@@ -25,7 +25,7 @@ body:
       placeholder: I would like to have...
     validations:
       required: true
-  
+
   - type: textarea
     id: alternatives
     attributes:
@@ -34,7 +34,7 @@ body:
       placeholder: Alternative approaches could be...
     validations:
       required: false
-  
+
   - type: textarea
     id: benefits
     attributes:
@@ -43,7 +43,7 @@ body:
       placeholder: This feature would help users...
     validations:
       required: false
-  
+
   - type: textarea
     id: additional
     attributes:

.github/ISSUE_TEMPLATE/improvement_suggestion.yml

@@ -7,7 +7,7 @@ body:
     attributes:
       value: |
         Thanks for suggesting an improvement! Please fill out the form below.
-  
+
   - type: textarea
     id: current
     attributes:
@@ -16,7 +16,7 @@ body:
       placeholder: Currently, the system...
     validations:
       required: true
-  
+
   - type: textarea
     id: suggested
     attributes:
@@ -25,7 +25,7 @@ body:
       placeholder: It would be better if...
     validations:
       required: true
-  
+
   - type: textarea
     id: rationale
     attributes:
@@ -34,7 +34,7 @@ body:
       placeholder: This would improve...
     validations:
       required: true
-  
+
   - type: textarea
     id: impact
     attributes:
@@ -43,7 +43,7 @@ body:
       placeholder: This would affect...
     validations:
       required: false
-  
+
   - type: textarea
     id: implementation
     attributes:
@@ -52,7 +52,7 @@ body:
       placeholder: This could be implemented by...
     validations:
       required: false
-  
+
   - type: textarea
     id: additional
     attributes:

.gitignore

@@ -1,20 +1,8 @@
-/_local/
-/data
-docs/source
-config/secrets
-.secrets/
-node_modules
-# From https://raw.githubusercontent.com/github/gitignore/main/Python.gitignore
-
-# Byte-compiled / optimized / DLL files
+# Python
 __pycache__/
 *.py[cod]
 *$py.class
-
-# C extensions
 *.so
-
-# Distribution / packaging
 .Python
 build/
 develop-eggs/
@@ -28,121 +16,59 @@ parts/
 sdist/
 var/
 wheels/
-share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
-MANIFEST
-
-# 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
-
-# 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
+# Virtual Environment
+venv/
+env/
+ENV/
+.venv/
 
-# Environments
+# Environment Variables
 .env
 .env.dev
+.env.prod
 .env.local
-.env.*.local
-.venv
-env/
-venv/
-ENV/
-env.bak/
-venv.bak/
-**/config/*.secret.py
 
-# Spyder project settings
-.spyderproject
-.spyproject
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
 
-# Rope project settings
-.ropeproject
+# Database
+*.db
+*.sqlite3
+*.sql
 
-# mkdocs documentation
-/site
+# Logs
+*.log
+logs/
+server.log
+nohup.out
 
-# mypy
-.mypy_cache/
-.dmypy.json
-dmypy.json
+# Storage
+storage/*
+!storage/.gitkeep
+data/
 
-# Pyre type checker
-.pyre/
+# Alembic
+alembic/versions/__pycache__/
 
-# pytype static type analyzer
-.pytype/
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
 
-# Cython debug symbols
-cython_debug/
+# OS
+.DS_Store
+Thumbs.db
 
-# Vscode config files
-.vscode/
-.claude/
-# 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/
+# Docker
+docker-compose.override.yml
+.pre-commit-hooks/
+.github/workflows/