Add research modules to gitignore (private, local-only features)

Author: thequantumfalcon

.gitignore

@@ -38,5 +38,22 @@ htmlcov/
 *.log
 spirescope logo.jpg
 
+# Research modules (private, local-only)
+sts2/risk.py
+sts2/diagnosis.py
+sts2/behavior.py
+sts2/spectral.py
+sts2/graveyard.py
+sts2/ghost.py
+sts2/drift.py
+sts2/pheromone.py
+sts2/cascade.py
+sts2/prophecy.py
+sts2/hypothesis.py
+sts2/rivalry.py
+sts2/integrity.py
+sts2/data/pheromones.json
+sts2/data/hypotheses.json
+
 # Claude
 .claude/