Integrate BACKBEAT SDK and resolve KACHING license validation

Major integrations and fixes:
- Added BACKBEAT SDK integration for P2P operation timing
- Implemented beat-aware status tracking for distributed operations
- Added Docker secrets support for secure license management
- Resolved KACHING license validation via HTTPS/TLS
- Updated docker-compose configuration for clean stack deployment
- Disabled rollback policies to prevent deployment failures
- Added license credential storage (CHORUS-DEV-MULTI-001)

Technical improvements:
- BACKBEAT P2P operation tracking with phase management
- Enhanced configuration system with file-based secrets
- Improved error handling for license validation
- Clean separation of KACHING and CHORUS deployment stacks

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

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

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/upsidedown.proto

@@ -0,0 +1,14 @@
+message BackIndexTermsEntry {
+  required uint32 field = 1;
+	repeated string terms = 2;
+}
+
+message BackIndexStoreEntry {
+	required uint32 field = 1;
+	repeated uint64 arrayPositions = 2;
+}
+
+message BackIndexRowValue {
+	repeated BackIndexTermsEntry termsEntries = 1;
+	repeated BackIndexStoreEntry storedEntries = 2;
+}