feat: Document completed tasks across multiple components

- Added completed tasks documentation for Scheduler WebService, ImpactIndex, Models, Queue, Storage.Mongo, Worker, Signals, Signer, UI, Zastava.Observer, Zastava.Webhook, Zastava.Core, Cryptography.Kms, Cryptography, and Plugin.
- Each task includes ID, status, owners, dependencies, descriptions, and exit criteria to ensure clarity and traceability.
- Enhanced integration and unit testing coverage across various components to validate functionality and compliance with specifications.

docs/modules/telemetry/operations/storage.md

@@ -27,6 +27,7 @@ cd deploy/compose
 docker compose -f docker-compose.telemetry.yaml up -d
 docker compose -f docker-compose.telemetry-storage.yaml up -d
 python ../../ops/devops/telemetry/smoke_otel_collector.py --host localhost
+python ../../ops/devops/telemetry/validate_storage_stack.py
 ```
 
 Configuration files live in `deploy/telemetry/storage/`. Adjust the overrides before shipping to staging/production.
@@ -160,6 +161,7 @@ Provision the following secrets/configs (names can be overridden via Helm values
 - [ ] Prometheus scrape succeeds (`curl -sk --cert client.crt --key client.key https://collector:9464`).
 - [ ] Tempo and Loki report tenant activity (`/api/status`).
 - [ ] Retention policy tested by uploading sample data and verifying expiry.
+- [ ] `python ops/devops/telemetry/validate_storage_stack.py` passes before committing updated configs.
 - [ ] Alerts wired into SLO evaluator (DEVOPS-OBS-51-001).
 - [ ] Component rule packs imported (e.g. `docs/modules/scheduler/operations/worker-prometheus-rules.yaml`).