chore: import original project baseline

Import the pre-repair source tree as the history baseline.
Runtime data (data/), virtualenvs, bytecode caches and logs are
gitignored so local secrets and user state stay out of the repo.

.gitignore

@@ -0,0 +1,10 @@
+# Python
+__pycache__/
+*.pyc
+.venv/
+
+# Runtime data: config with API keys, database, attachments, locks. Never commit.
+data/
+
+# Diagnostics / logs
+*.log