Implement MongoDB-based storage for Pack Run approval, artifact, log, and state management

- Added MongoPackRunApprovalStore for managing approval states with MongoDB.
- Introduced MongoPackRunArtifactUploader for uploading and storing artifacts.
- Created MongoPackRunLogStore to handle logging of pack run events.
- Developed MongoPackRunStateStore for persisting and retrieving pack run states.
- Implemented unit tests for MongoDB stores to ensure correct functionality.
- Added MongoTaskRunnerTestContext for setting up MongoDB test environment.
- Enhanced PackRunStateFactory to correctly initialize state with gate reasons.

docs/modules/excititor/implementation_plan.md

@@ -15,7 +15,17 @@
 - **Epic 8 – Advisory AI:** guarantee citation-ready payloads and normalized context for AI summaries/explainers.
 - Track DOCS-LNM-22-006/007 and CLI-EXC-25-001..002 in ../../TASKS.md.
 
-## Coordination
-- Review ./AGENTS.md before picking up new work.
-- Sync with cross-cutting teams noted in `/docs/implplan/SPRINT_*.md`.
-- Update this plan whenever scope, dependencies, or guardrails change.
+## Coordination
+- Review ./AGENTS.md before picking up new work.
+- Sync with cross-cutting teams noted in `/docs/implplan/SPRINT_*.md`.
+- Update this plan whenever scope, dependencies, or guardrails change.
+
+## Sprint alignment (2025-11-07)
+
+| Sprint task | State (SPRINT_200) | Notes |
+| --- | --- | --- |
+| EXCITITOR-DOCS-0001 | DONE | README release alignment + consensus beta references refreshed (DSSE/export guidance). |
+| EXCITITOR-ENG-0001 | DONE | Implementation plan now mirrors `SPRINT_200_documentation_process.md` through this table. |
+| EXCITITOR-OPS-0001 | DONE | Runbook/observability checklist added to `docs/modules/excititor/mirrors.md`. |
+
+See `/docs/implplan/SPRINT_200_documentation_process.md` for the canonical status table.