Initial commit - BUBBLE decision tracking system

- Added core BUBBLE architecture with decision envelopes and policy store
- Implemented bundle API with FastAPI skeleton and OpenAPI specification
- Added Go-based storage implementation with SQLite and RocksDB support
- Created integrations for peer sync, vector search, and N8N workflows
- Added comprehensive testing framework and documentation
- Implemented provenance walking and decision checking algorithms

🤖 Generated with [Claude Code](https://claude.ai/code)

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

src/storage/04-forward-index.jsonc

@@ -0,0 +1,7 @@
+// forward_index.json
+{
+  "dr:sha256:prev1": [
+    { "relation": "influenced", "target": "dr:sha256:curr1" },
+    { "relation": "superseded", "target": "dr:sha256:curr2" }
+  ]
+}