Snapshot of fix/QTZPOC-13 source tree

Code-only import without upstream history.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

.gitignore

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+# Ignorar volumes do Docker
+docker-compose.override.yml
+**/db_data/
+**/kafka-volume/
+**/zookeeper-volume/
+**/mage_data/
+**/minio_data/
+**/venv/
+**/certs/*.pem
+**/certs/*.der
+**/certs/*.csr
+**/deploy/*.yaml
+scouter/.file_versions/
+scouter/pipelines/**/triggers.yaml
+**/postgres_data/**
+# Ignorar arquivos e diretórios de cache do Python
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+# Ignorar logs
+*.log
+
+# Ignorar arquivos de configuração locais
+.vscode/
+.pytest_cache/
+.idea/
+*.swp
+
+# Ignorar arquivos temporários
+*.tmp
+*.bak
+*.old
+.secret
+
+# Ignorar coverage
+htmlcov/
+.coverage
+coverage.xml
+
+# git keys
+git_key*
+
+git_log
+
+.env
+
+tmp/
+catboost_info/
+
+.ruff_cache/
+.mypy_cache/
+mlruns/
+
+relatorio*
+openspec/
+.cursor/
+.claude/