chore(orchestrator): bootstrap MS16+MS17 planning — 15 tasks across 4 phases

Milestone: MS16+MS17-PagesDataIntegration (Gitea)
Issues: #466 (Foundation), #467 (Mock Elimination), #468 (New Pages), #469 (Verification)
Estimated: ~320K tokens across 15 tasks

Refs #466, #467, #468, #469

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.mosaic/orchestrator/mission.json

@@ -1,51 +1,14 @@
 {
   "schema_version": 1,
-  "mission_id": "mosaic-stack-go-live-mvp-20260222",
-  "name": "Mosaic Stack Go-Live MVP",
-  "description": "Ship Mosaic Stack MVP: operational dashboard with theming, task ingestion, one visible agent cycle, deployed and smoke-tested. Unblocks SagePHR, DYOR, Calibr, and downstream projects.",
+  "mission_id": "prd-implementation-20260222",
+  "name": "PRD implementation",
+  "description": "",
   "project_path": "/home/jwoltje/src/mosaic-stack",
-  "created_at": "2026-02-22T23:35:51Z",
+  "created_at": "2026-02-23T03:20:55Z",
   "status": "active",
-  "task_prefix": "MS",
-  "quality_gates": "pnpm lint && pnpm typecheck && pnpm test",
-  "milestone_version": "0.0.16",
-  "milestones": [
-    {
-      "id": "phase-1",
-      "name": "Dashboard Polish + Theming",
-      "status": "pending",
-      "branch": "dashboard-polish-theming",
-      "issue_ref": "",
-      "started_at": "",
-      "completed_at": ""
-    },
-    {
-      "id": "phase-2",
-      "name": "Task Ingestion Pipeline",
-      "status": "pending",
-      "branch": "task-ingestion-pipeline",
-      "issue_ref": "",
-      "started_at": "",
-      "completed_at": ""
-    },
-    {
-      "id": "phase-3",
-      "name": "Agent Cycle Visibility",
-      "status": "pending",
-      "branch": "agent-cycle-visibility",
-      "issue_ref": "",
-      "started_at": "",
-      "completed_at": ""
-    },
-    {
-      "id": "phase-4",
-      "name": "Deploy + Smoke Test",
-      "status": "pending",
-      "branch": "deploy-smoke-test",
-      "issue_ref": "",
-      "started_at": "",
-      "completed_at": ""
-    }
-  ],
+  "task_prefix": "",
+  "quality_gates": "",
+  "milestone_version": "0.0.1",
+  "milestones": [],
   "sessions": []
 }