Advance deduplicated collection creation coverage

tests/golden/WBV2-P20-003/task-context.json

@@ -0,0 +1,170 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P20-003",
+  "parentTask": "WBV2-P20-002",
+  "status": "in_progress",
+  "goal": "Close the createCollection gate and graduate only the exact operator binding.",
+  "scope": {
+    "gap": "workflow:close_collection_create_gate",
+    "ownerFamily": "RELEASE",
+    "implementationClass": "LOCAL_BOUNDED"
+  },
+  "commands": [
+    "node tools/web/check-task-context.mjs --task WBV2-P20-003 --write"
+  ],
+  "inputPaths": [
+    "tests/golden/WBV2-P20-002/collection-create-receipt-report.json"
+  ],
+  "inputSelection": {
+    "schemaVersion": 1,
+    "limits": {
+      "maxFiles": 12,
+      "evidenceBytes": 8192,
+      "contextRemainingBytes": 2689,
+      "contextRemainingTokens": 670
+    },
+    "source": {
+      "bytes": 7215,
+      "tokens": 1806
+    },
+    "selected": [
+      {
+        "path": "tests/golden/WBV2-P20-002/collection-create-receipt-report.json",
+        "bytes": 2441,
+        "tokens": 611
+      }
+    ],
+    "excluded": [
+      {
+        "path": "tests/golden/WBV2-P19-003/inventory-completion-overlay.json",
+        "bytes": 3776,
+        "reason": "CONTEXT_REMAINING_SPACE"
+      },
+      {
+        "path": "tests/golden/WBV2-P20-003/",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "docs/status/WBV2-P20-003.md",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "tests/golden/WBV2-P20-003/manifest.json",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      }
+    ],
+    "totals": {
+      "files": 1,
+      "bytes": 2441,
+      "tokens": 611
+    }
+  },
+  "exitCriteria": [
+    "only collection add is claimed",
+    "effective inventory remains explicit",
+    "no duplicate validation or historical over-claim"
+  ],
+  "nextTask": null,
+  "sourceDocuments": {
+    "queue": "docs/EXECUTION_QUEUE.md",
+    "taskCard": "docs/tasks/WBV2-P20-003.md",
+    "taskIndex": "tests/golden/WBV2/task-index.json",
+    "parentManifest": "tests/golden/WBV2-P20-002/manifest.json",
+    "parentStatus": "docs/status/WBV2-P20-002.md"
+  },
+  "readPolicy": {
+    "required": [
+      "docs/EXECUTION_QUEUE.md",
+      "docs/tasks/WBV2-P20-003.md",
+      "tests/golden/WBV2-P20-002/manifest.json",
+      "docs/status/WBV2-P20-002.md"
+    ],
+    "machineOnly": [
+      "tests/golden/WBV2/task-index.json",
+      "tests/golden/M15-03A/task-catalog.jsonl"
+    ],
+    "optionalByNeed": [
+      "docs/WEB_BLENDER_MODELER_V1_SCOPE.md",
+      "任务卡列出的精确协议/生产路径",
+      "任务卡明确命名的长期计划小节"
+    ],
+    "forbiddenByDefault": [
+      "完整 CURRENT_EXECUTION_PLAN.md",
+      "完整 PROJECT_STATUS_AND_NEXT_WORK.md",
+      "全部 docs/status/*.md",
+      "完整 parity/WBS 计划",
+      "README 历史和 test-results/"
+    ]
+  },
+  "parent": {
+    "manifest": {
+      "schemaVersion": 1,
+      "task": "WBV2-P20-002",
+      "parentTask": "WBV2-P20-001",
+      "status": "done",
+      "nextTask": "WBV2-P20-003",
+      "artifactCount": 12
+    },
+    "statusSummary": [
+      "# WBV2-P20-002 status",
+      "- task: `WBV2-P20-002`; parent: `WBV2-P20-001`; status: `done`",
+      "- exact inventory binding: `operator:object.collection_add` via `createCollection`",
+      "- collections: `2 -> 3`; revisions: `1 -> 4` sequential",
+      "- malformed collection rejected; save/reopen: `EXACT`; deterministic second run: `true`",
+      "- effective pending before overlay: `6613`; representative slice: `true`",
+      "- nextTask: `WBV2-P20-003`"
+    ]
+  },
+  "budgets": {
+    "queueBytes": 4096,
+    "taskBytes": 1097,
+    "parentManifestBytes": 24576,
+    "parentStatusBytes": 6144,
+    "evidenceFiles": 12,
+    "evidenceBytes": 8192,
+    "contextTokens": 3500,
+    "contextEnvelopeTokens": 1024,
+    "taskLines": 35,
+    "taskTokens": 275
+  },
+  "size": {
+    "documents": [
+      {
+        "path": "docs/EXECUTION_QUEUE.md",
+        "bytes": 2803,
+        "lines": 51,
+        "tokens": 701
+      },
+      {
+        "path": "docs/tasks/WBV2-P20-003.md",
+        "bytes": 1097,
+        "lines": 35,
+        "tokens": 275
+      },
+      {
+        "path": "tests/golden/WBV2-P20-002/manifest.json",
+        "bytes": 2902,
+        "lines": 79,
+        "tokens": 726
+      },
+      {
+        "path": "docs/status/WBV2-P20-002.md",
+        "bytes": 413,
+        "lines": 9,
+        "tokens": 104
+      }
+    ],
+    "sourceTokens": 1806,
+    "evidenceFiles": 1,
+    "evidenceBytes": 2441,
+    "evidenceTokens": 611,
+    "totalTokens": 2417,
+    "reservedEnvelopeTokens": 1024,
+    "estimatedContextTokens": 3441,
+    "serializedContextTokens": 656,
+    "withinBudget": true
+  }
+}