Initial commit: ER-TP-DGP research prototype

Event-Reified Temporal Provenance Dual-Granularity Prompting for
LLM-based APT detection on DARPA provenance datasets.

Includes phase 0-14 method spec, IR/graph/metapath/trimming/prompt
modules, scripts for THEIA candidate universe, landmark CSG construction,
hybrid prompting, and LLM inference. Excludes data/, reports/, and
local LLM config from version control.

.gitignore

@@ -0,0 +1,14 @@
+__pycache__/
+*.py[cod]
+.pytest_cache/
+.ruff_cache/
+.mypy_cache/
+.venv/
+.uv-cache/
+.claude/
+dist/
+build/
+*.egg-info/
+configs/llm.yaml
+data/
+reports/