Align vision board with registry rules

WORKBOARD.yaml

@@ -3,19 +3,19 @@ items:
     title: Svrnty Vision Child Workspace Governance
     status: complete
     source: outputs/2026-06-12-svrnty-vision-workboard-readiness-reconciliation.md
-    owner: jp
+    owner: ""
   - id: SVRNTY-VISION-WORK-002
     title: Generic VISION Package Candidate And Visual Evidence Proof
     status: complete
     source: outputs/2026-06-06-svrnty-vision-work-002-package-candidate-validation.md
-    owner: jp
+    owner: ""
   - id: SVRNTY-VISION-WORK-003
     title: Vision Package Candidate Sandcastle
     status: complete
     source: outputs/2026-06-12-svrnty-vision-workboard-readiness-reconciliation.md
-    owner: jp
+    owner: ""
   - id: SVRNTY-VISION-WORK-004
     title: Package Docker Build Context
     status: complete
     source: Dockerfile
-    owner: jp
+    owner: ""

tools/validate_svrnty_vision_child.py

@@ -42,7 +42,7 @@ def main() -> int:
             errors.append(f"missing:{rel}")
     checks = {
         "AGENTS.md": ["child-local", "not Cortex OS Core authority", "python3 tools/validate_svrnty_vision_child.py"],
-        "WORKBOARD.yaml": ["SVRNTY-VISION-WORK-001", "SVRNTY-VISION-WORK-003", "status: complete", "owner: jp"],
+        "WORKBOARD.yaml": ["SVRNTY-VISION-WORK-001", "SVRNTY-VISION-WORK-003", "status: complete", 'owner: ""'],
         "CONTEXT.md": ["Visual Perception Package Candidate", "Research Handoff"],
         "docs/VISION-PACKAGE-CANDIDATE.md": ["Research reads sources; Vision sees media", "wildcard grant"],
         "outputs/2026-06-12-svrnty-vision-workboard-readiness-reconciliation.md": [