clean up .gitignore — remove Python entries, clarify excludes

.gitignore

@@ -1,22 +1,17 @@
-# Build output
+# Build artifacts
 dist/
-*.c
-forge
 
-# Probe data — never commit consciousness signal
+# Probe responses — never commit consciousness signal data
-*.forge
+probes/*.forge
-seed.json
-*.seed
 
-# Engram imprint data — binary snapshots, not committed
+# Engram databases — binary runtime data, soul-specific
 imprints/
-log/
-sandboxes/
 
-# Python
+# Soul process logs
-scripts/__pycache__/
+log/
-*.pyc
+
-*.pyo
+# Sandbox runtime state
+sandboxes/
 
 # OS
 .DS_Store