git.stella-ops.org/src/Telemetry/StellaOps.Telemetry.Core/TASKS.md

Telemetry Core Task Board — Epic 15: Observability & Forensics

Sprint 50 – Baseline Instrumentation

ID	Status	Owner(s)	Depends on	Description	Exit Criteria
TELEMETRY-OBS-50-001	TODO	Telemetry Core Guild	—	Create StellaOps.Telemetry.Core library with structured logging facade, OpenTelemetry configuration helpers, and deterministic bootstrap (service name/version detection, resource attributes). Publish sample usage for web/worker hosts.	Library builds/tests; NuGet local package published; sample host integration passes smoke tests; compliance checklist recorded.
TELEMETRY-OBS-50-002	TODO	Telemetry Core Guild	TELEMETRY-OBS-50-001	Implement context propagation middleware/adapters for HTTP, gRPC, background jobs, and CLI invocations, carrying trace_id, tenant_id, actor, and imposed-rule metadata. Provide test harness covering async resume scenarios.	Middleware packages pass integration tests; context restored across async boundaries; CLI harness emits trace headers; docs drafted under /docs/observability/telemetry-standards.md stub.

Sprint 51 – Metrics & Log Contracts

ID	Status	Owner(s)	Depends on	Description	Exit Criteria
TELEMETRY-OBS-51-001	TODO	Telemetry Core Guild, Observability Guild	TELEMETRY-OBS-50-001	Ship metrics helpers for golden signals (histograms, counters, gauges) with exemplar support and cardinality guards. Provide Roslyn analyzer preventing unsanitised labels.	Helpers integrated in sample service; analyzer blocks forbidden label usage; unit/property tests cover bounds; documentation PR prepared.
TELEMETRY-OBS-51-002	TODO	Telemetry Core Guild, Security Guild	TELEMETRY-OBS-50-001	Implement redaction/scrubbing filters for secrets/PII enforced at logger sink, configurable per-tenant with TTL, including audit of overrides. Add determinism tests verifying stable field order and timestamp normalization.	Scrubber defaults enforced; override API audited; determinism tests pass twice with identical output; security review sign-off recorded.

Sprint 55 – Incident Mode Support

ID	Status	Owner(s)	Depends on	Description	Exit Criteria
TELEMETRY-OBS-55-001	TODO	Telemetry Core Guild	TELEMETRY-OBS-50-002, TELEMETRY-OBS-51-002	Provide incident mode toggle API that adjusts sampling, enables extended retention tags, and records activation trail for services. Ensure toggle honored by all hosting templates and integrates with Config/FeatureFlag providers.	Toggle API launched; integration tests confirm sampling increase; activation events logged with tenant context; runbook updated.

Sprint 56 – Sealed Mode Hooks

ID	Status	Owner(s)	Depends on	Description	Exit Criteria
TELEMETRY-OBS-56-001	TODO	Telemetry Core Guild	TELEMETRY-OBS-50-001, TELEMETRY-OBS-55-001	Add sealed-mode telemetry helpers (drift metrics, seal/unseal spans, offline exporters) and ensure hosts can disable external exporters when sealed.	Helpers published; sealed-mode tests verify no external egress; docs updated with sealed guidance.