chore: gitignore hardening, VERSION, CI workflow, tests, docs

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitignore

@@ -1,30 +1,26 @@
-# Large machine-specific / regenerable trees (never commit)
-# Promethean/ = 16G ROCm venv (recreate from requirements*.txt)
-# ollama/ = 7.4G bundled Ollama binary; models/ = 4.9G Ollama blobs
 Promethean/
 ollama/
-models/
 interface/web/node_modules/
-
-# Runtime state & user data
-runtime/
-data/uploads/
-data/exports/
-*.db
-*.db-wal
-*.db-shm
-
-# Build / cache artifacts
 interface/web/dist/
+runtime/
 __pycache__/
 *.pyc
 *.pyo
-
-# Editor / DE / local cruft
+synapse/memory/memory.db
+synapse/memory/memory.db-wal
+synapse/memory/memory.db-shm
+*.db-wal
+*.db-shm
+.DS_Store
 .directory
-*.bak
-*.bak-*
-*.tar.gz
 
-# Local-only Claude config (machine-specific)
-.claude/settings.local.json
+# Ollama model blobs (~15G, regenerable via `ollama pull`)
+models/
+
+# runtime user data
+data/uploads/
+data/exports/
+
+# local editor / assistant tooling
+.vscode/
+.claude/