Advance deduplicated collection creation coverage

tests/golden/WBV2-P20-001/task-context.json

@@ -0,0 +1,171 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P20-001",
+  "parentTask": "WBV2-P20-000",
+  "status": "in_progress",
+  "goal": "Select createCollection as one unique Object Operations behavior.",
+  "scope": {
+    "gap": "capability:OBJECT_OPERATIONS.COLLECTION_CREATE",
+    "ownerFamily": "PARITY",
+    "implementationClass": "LOCAL_BOUNDED"
+  },
+  "commands": [
+    "node tools/web/check-task-context.mjs --task WBV2-P20-001 --write"
+  ],
+  "inputPaths": [],
+  "inputSelection": {
+    "schemaVersion": 1,
+    "limits": {
+      "maxFiles": 12,
+      "evidenceBytes": 8192,
+      "contextRemainingBytes": 3475,
+      "contextRemainingTokens": 867
+    },
+    "source": {
+      "bytes": 6429,
+      "tokens": 1609
+    },
+    "selected": [],
+    "excluded": [
+      {
+        "path": "blender-5.2.0/source/blender/web_engine/web_engine_api.cpp",
+        "bytes": 126797,
+        "reason": "EVIDENCE_BYTE_BUDGET"
+      },
+      {
+        "path": "web/app/src/engine-client/WebEngineClient.ts",
+        "bytes": 16197,
+        "reason": "EVIDENCE_BYTE_BUDGET"
+      },
+      {
+        "path": "tests/golden/WBV2-P0-002/parity-map.json",
+        "bytes": 5053386,
+        "reason": "EVIDENCE_BYTE_BUDGET"
+      },
+      {
+        "path": "tests/golden/WBV2-P20-001/",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "docs/status/WBV2-P20-001.md",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "tests/golden/WBV2-P20-001/manifest.json",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      }
+    ],
+    "totals": {
+      "files": 0,
+      "bytes": 0,
+      "tokens": 0
+    }
+  },
+  "exitCriteria": [
+    "source command is hash-bound",
+    "parent/create/duplicate evidence is not rerun",
+    "one legacy operator binding is selected"
+  ],
+  "nextTask": "WBV2-P20-002",
+  "sourceDocuments": {
+    "queue": "docs/EXECUTION_QUEUE.md",
+    "taskCard": "docs/tasks/WBV2-P20-001.md",
+    "taskIndex": "tests/golden/WBV2/task-index.json",
+    "parentManifest": "tests/golden/WBV2-P20-000/manifest.json",
+    "parentStatus": "docs/status/WBV2-P20-000.md"
+  },
+  "readPolicy": {
+    "required": [
+      "docs/EXECUTION_QUEUE.md",
+      "docs/tasks/WBV2-P20-001.md",
+      "tests/golden/WBV2-P20-000/manifest.json",
+      "docs/status/WBV2-P20-000.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-P20-000",
+      "parentTask": "WBV2-P19-003",
+      "status": "done",
+      "nextTask": "WBV2-P20-001",
+      "artifactCount": 9
+    },
+    "statusSummary": [
+      "# WBV2-P20-000 status",
+      "- task: `WBV2-P20-000`; parent: `WBV2-P19-003`; status: `done`",
+      "- candidate: `OBJECT_OPERATIONS.COLLECTION_CREATE`; source API is present",
+      "- effective inventory carried forward: `286` completed, `6613` pending",
+      "- duplicate validation: `forbidden`; representative slice only",
+      "- nextTask: `WBV2-P20-001`"
+    ]
+  },
+  "budgets": {
+    "queueBytes": 4096,
+    "taskBytes": 1107,
+    "parentManifestBytes": 24576,
+    "parentStatusBytes": 6144,
+    "evidenceFiles": 12,
+    "evidenceBytes": 8192,
+    "contextTokens": 3500,
+    "contextEnvelopeTokens": 1024,
+    "taskLines": 35,
+    "taskTokens": 277
+  },
+  "size": {
+    "documents": [
+      {
+        "path": "docs/EXECUTION_QUEUE.md",
+        "bytes": 2803,
+        "lines": 51,
+        "tokens": 701
+      },
+      {
+        "path": "docs/tasks/WBV2-P20-001.md",
+        "bytes": 1107,
+        "lines": 35,
+        "tokens": 277
+      },
+      {
+        "path": "tests/golden/WBV2-P20-000/manifest.json",
+        "bytes": 2198,
+        "lines": 61,
+        "tokens": 550
+      },
+      {
+        "path": "docs/status/WBV2-P20-000.md",
+        "bytes": 321,
+        "lines": 8,
+        "tokens": 81
+      }
+    ],
+    "sourceTokens": 1609,
+    "evidenceFiles": 0,
+    "evidenceBytes": 0,
+    "evidenceTokens": 0,
+    "totalTokens": 1609,
+    "reservedEnvelopeTokens": 1024,
+    "estimatedContextTokens": 2633,
+    "serializedContextTokens": 598,
+    "withinBudget": true
+  }
+}