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/raulk/go-watchdog/Makefile

@@ -0,0 +1,36 @@
+SHELL = /bin/bash
+
+.PHONY: test
+
+# these tests run in isolation by calling go test -run=... or the equivalent.
+ISOLATED_TESTS +=
+ifdef CI
+	ISOLATED_TESTS = TestControl_Isolated \
+					 TestSystemDriven_Isolated \
+					 TestHeapDriven_Isolated
+else
+	ISOLATED_TESTS = TestControl_Isolated \
+					 TestSystemDriven_Isolated \
+					 TestHeapDriven_Isolated \
+					 TestCgroupsDriven_Create_Isolated \
+					 TestCgroupsDriven_Docker_Isolated
+endif
+
+test: test-binary test-docker
+
+test-binary:
+	go test -v ./... # run all the non-isolated tests.
+	# foreach does not actually execute each iteration; it expands the text, and it's executed all at once
+    # that's why we use && true, to shorcircuit if a test fails.
+	$(foreach name,$(ISOLATED_TESTS),TEST_ISOLATED=1 go test -v -test.run=$(name) ./... && ) true
+
+test-docker: docker
+	docker run --memory=32MiB --memory-swap=32MiB -e TEST_DOCKER_MEMLIMIT=33554432 raulk/watchdog:latest
+	$(foreach name,$(ISOLATED_TESTS),docker run \
+		--memory=32MiB --memory-swap=32MiB \
+		-e TEST_ISOLATED=1 \
+		-e TEST_DOCKER_MEMLIMIT=33554432 \
+		raulk/watchdog:latest /root/watchdog.test -test.v -test.run=$(name) ./... && ) true
+
+docker:
+	docker build -f ./Dockerfile.test  -t raulk/watchdog:latest .