docs(sdd): authorize platform implementation

tasks/plan.md

@@ -1,6 +1,6 @@
 # Implementation Plan: Platform Operations
 
-- Status: Ready for stakeholder review; implementation not authorized
+- Status: Approved — Phase 4 implementation authorized 2026-08-20
 - Capability: Platform operations
 - Task list target: `tasks/todo.md`
 - Planning baseline: `docs/QLOCKIFY-ADAPTATION-CONTRACT.md`
@@ -12,7 +12,7 @@ Adapt the read-only Qlockify deployment repository into a manual, production-sha
 
 There is no CI/CD pipeline, runner, registry, automated Git synchronization, or private font injection. Prometheus/Grafana remain a required post-MVP, pre-AI phase.
 
-No task below authorizes implementation.
+The user authorized implementation of the tasks below on 2026-08-20.
 
 ## Dependency graph
 
@@ -56,7 +56,7 @@ approved spec + Qlockify adaptation contract + explicit build authorization
 - The Platform Operations spec, ADRs 0001–0003, Qlockify adaptation contract, bootstrap runbook, and backup/restore runbook define the approved behavior.
 - Runtime values such as IP, DNS access, email, ParsPack credentials, and encryption passphrase are deliberately deferred to the operation that uses them.
 - Backend/frontend command and variable names are integrated when their implementation contracts exist; earlier independent deployment work is not blocked.
-- Implementation starts only after a separate explicit stakeholder authorization.
+- Stakeholder approval and explicit implementation authorization were recorded on 2026-08-20.
 
 Checkpoint: the plan and tasks are approved; no implementation artifact exists yet.