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/cli/guides/cli-reference.md

@@ -3,7 +3,7 @@
 > **Audience:** DevEx engineers, operators, and CI authors integrating the `stella` CLI with Aggregation-Only Contract (AOC) workflows.  
 > **Scope:** Command synopsis, options, exit codes, and offline considerations for `stella sources ingest --dry-run` and `stella aoc verify` as introduced in Sprint 19.
 
-Both commands are designed to enforce the AOC guardrails documented in the [aggregation-only reference](../../ingestion/aggregation-only-contract.md) and the [architecture overview](../../platform/architecture-overview.md). They consume Authority-issued tokens with tenant scopes and never mutate ingestion stores.
+Both commands are designed to enforce the AOC guardrails documented in the [aggregation-only reference](../../../ingestion/aggregation-only-contract.md) and the [architecture overview](../architecture.md). They consume Authority-issued tokens with tenant scopes and never mutate ingestion stores.
 
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@@ -285,9 +285,9 @@ Additional notes:
 
 ## 5 · Related references
 
-- [Aggregation-Only Contract reference](../../ingestion/aggregation-only-contract.md)
+- [Aggregation-Only Contract reference](../../../ingestion/aggregation-only-contract.md)
 - [Architecture overview](../../platform/architecture-overview.md)
-- [Console AOC dashboard](../../ui/console.md)
+- [Console AOC dashboard](../../../ui/console.md)
 - [Authority scopes](../../authority/architecture.md)
 
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