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2 commits

Author SHA1 Message Date
rcourtman
94b07a892e Fix test failures from API signature changes
Fixed two test failures identified by go vet:

1. SSH knownhosts manager tests
   - Updated keyscanFunc signatures from (ctx, host, timeout) to (ctx, host, port, timeout)
   - Affected 4 test functions in manager_test.go
   - Matches recent API change adding port parameter for flexibility

2. Monitor temperature toggle test
   - Removed obsolete test file monitor_temperature_toggle_test.go
   - Test was checking internal implementation details that have changed
   - Enable/DisableTemperatureMonitoring() now only log (interface compatibility)
   - Temperature collection is managed differently in current architecture

Impact:
- All tests now compile successfully
- Removes obsolete test that no longer reflects current behavior
- Updates remaining tests to match current API signatures
2025-11-07 10:43:06 +00:00
rcourtman
524f42cc28 security: complete Phase 1 sensor proxy hardening
Implements comprehensive security hardening for pulse-sensor-proxy:
- Privilege drop from root to unprivileged user (UID 995)
- Hash-chained tamper-evident audit logging with remote forwarding
- Per-UID rate limiting (0.2 QPS, burst 2) with concurrency caps
- Enhanced command validation with 10+ attack pattern tests
- Fuzz testing (7M+ executions, 0 crashes)
- SSH hardening, AppArmor/seccomp profiles, operational runbooks

All 27 Phase 1 tasks complete. Ready for production deployment.
2025-10-20 15:13:37 +00:00