Advance deduplicated object creation coverage

docs/status/WBV2-P17-003.md

@@ -9,3 +9,6 @@
 - nextTask: `NONE`
 
 Only the exact duplicateObject operator is graduated. The canonical inventory remains immutable; effective counts are derived from hash-bound completion overlays.
+- authorized continuation: `WBV2-P18-000`
+
+Object Add may continue under a new root without changing the P17 overlay.

docs/status/WBV2-P18-000.md

@@ -0,0 +1,7 @@
+# WBV2-P18-000 status
+
+- task: `WBV2-P18-000`; parent: `WBV2-P17-003`; status: `done`
+- candidate: `OBJECT_OPERATIONS.CREATE`; source API is present
+- effective inventory carried forward: `284` completed, `6615` pending
+- duplicate validation: `forbidden`; representative slice only
+- nextTask: `WBV2-P18-001`

docs/status/WBV2-P18-001.md

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+# WBV2-P18-001 status
+
+- task: `WBV2-P18-001`; parent: `WBV2-P18-000`; status: `done`
+- selected behavior: `createPrimitive(CUBE)`; exact candidate: `operator:object.add`
+- base inventory: `6900` total, `6618` pending; effective carried overlay: `6615` pending
+- behavior hash: `3e9ac130296e5caf9517586449e910020e86f2ab8ff3577b01d0dfb8921e7a80`; duplicate validation: `forbidden`
+- nextTask: `WBV2-P18-002`

docs/status/WBV2-P18-002.md

@@ -0,0 +1,8 @@
+# WBV2-P18-002 status
+
+- task: `WBV2-P18-002`; parent: `WBV2-P18-001`; status: `done`
+- exact inventory binding: `operator:object.add` via `createPrimitive(CUBE)`
+- objects: `3 -> 4`; revisions: `1 -> 4` sequential
+- malformed primitive rejected; save/reopen: `EXACT`; deterministic second run: `true`
+- effective pending before overlay: `6615`; representative slice: `true`
+- nextTask: `WBV2-P18-003`

docs/status/WBV2-P18-003.md

@@ -0,0 +1,11 @@
+# WBV2-P18-003 status
+
+- task: `WBV2-P18-003`; parent: `WBV2-P18-002`; status: `done`
+- new feature claim: `OBJECT_OPERATIONS.CREATE`; exact binding: `operator:object.add`
+- base inventory: `6900` total, `281` completed, `6618` pending
+- cumulative overlay: `285` effective completed, `6614` effective pending, claimed complete overlay: `4`
+- repeated Blender/Chromium validation: `0`; unique behavior batches: Paint, Object Duplicate, Object Create
+- provenance epoch: `2`; release: `AUTHORIZED_REBASELINE_ONLY`; fullHistoricalReproduction: `false`
+- nextTask: `NONE`
+
+Only the exact createPrimitive operator is graduated. The canonical inventory remains immutable; effective counts are derived from hash-bound completion overlays.