diff --git a/docs/EXECUTION_QUEUE.md b/docs/EXECUTION_QUEUE.md
index e3a9e1cfb..d59f3d607 100644
--- a/docs/EXECUTION_QUEUE.md
+++ b/docs/EXECUTION_QUEUE.md
@@ -13,9 +13,9 @@
 | 字段 | 值 |
 | --- | --- |
 | 里程碑 | WBV2 capability workflow |
-| 当前任务 | `WBV2-P568-001` |
-| parent manifest | `tests/golden/WBV2-P568-000/manifest.json` |
-| 任务卡 | [`tasks/WBV2-P568-001.md`](tasks/WBV2-P568-001.md) |
+| 当前任务 | `WBV2-P568-002` |
+| parent manifest | `tests/golden/WBV2-P568-001/manifest.json` |
+| 任务卡 | [`tasks/WBV2-P568-002.md`](tasks/WBV2-P568-002.md) |
 | 专项验收 | `node tools/web/check-execution-control-plane.mjs` |
 | legacy coverage checkpoint | `M16-GAP-00282` |
 | legacy coverage parent | `tests/golden/M16-GAP-00281/manifest.json` |
diff --git a/docs/status/WBV2-P568-001.md b/docs/status/WBV2-P568-001.md
new file mode 100644
index 000000000..296b52780
--- /dev/null
+++ b/docs/status/WBV2-P568-001.md
@@ -0,0 +1,7 @@
+# WBV2-P568-001 status
+
+- task: `WBV2-P568-001`; parent: `WBV2-P568-000`; status: `done`
+- capability-family implementation: `PASS`; 27 deduplicated batches; 6609 pending rows
+- Chromium, E2E receipts and completion overlay: `DEFERRED`
+- inventory unchanged: `6900/6618`, effective `290/6609`
+- nextTask: `WBV2-P568-002`
diff --git a/docs/tasks/WBV2-P568-002.md b/docs/tasks/WBV2-P568-002.md
new file mode 100644
index 000000000..1090bde13
--- /dev/null
+++ b/docs/tasks/WBV2-P568-002.md
@@ -0,0 +1,38 @@
+# WBV2-P568-002: implement_capability_family_slice
+
+- task: WBV2-P568-002
+- parent: WBV2-P568-001
+- status: planned
+- gap: workflow:implement_capability_family_slice
+- ownerFamily: IMPLEMENTATION
+- targetImplementationClass: SOURCE_BACKED
+
+## 目标
+
+Implement the next uncovered Blender capability family from the source-backed index.
+
+## 输入与范围
+
+- Blender source authority: `blender-5.2.0/source/blender`
+- Batch plan: `tests/golden/WBV2-P27-001/verification-batch-plan.json`
+- Implementation entrypoint: `node tools/web/generate-wbv2-capability-continuation-slice.mjs --task WBV2-P568-002 --write`
+
+## 验收
+
+- 6900 inventory and provenance remain read-only
+- capability-family deduplication is reused
+- malformed, unsupported, hash-drift and false-completion input fails closed
+- Chromium, E2E receipts and completion overlays remain deferred
+- `node tools/web/check-task-context.mjs --task WBV2-P568-002 --write`
+
+## 失败边界
+
+- missing source or unsupported capability remains in_progress/blocked
+- representative implementation is never declared as full-family parity
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P568-002/`
+- Status: `docs/status/WBV2-P568-002.md`
+- Manifest: `tests/golden/WBV2-P568-002/manifest.json`
+- Rollback: restore WBV2-P568-001 as queue parent and leave the task in_progress.
diff --git a/nextTask.md b/nextTask.md
index 776252148..ebb640232 100644
--- a/nextTask.md
+++ b/nextTask.md
@@ -96,6 +96,28 @@ guardian/supervisor 的连续契约：
 - guardian 或 supervisor 进程退出后，再次执行同一 guardian 命令即可从当前队列恢复；不复制旧日志、不重放未知命令。
 - guardian 只负责有效 handoff 和可证明的进程恢复，不能绕过真实阻塞、治理门禁、源码编译失败或 provenance 规则。
 
+### 动态运行状态
+
+`nextTask.md` 的 Current Handoff Snapshot 只是写入时快照，不能用来判断进程
+是否正在运行。使用下面的只读命令查看实时状态；它不会领取任务、修改队列或
+重放任何命令：
+
+```bash
+node tools/web/print-wbv2-live-status.mjs
+```
+
+持续刷新终端提示：
+
+```bash
+node tools/web/print-wbv2-live-status.mjs --watch --interval-ms 2000
+```
+
+状态输出中的 `RUNNING` 表示 guardian 和 supervisor 锁对应的 PID 均存活，且
+当前任务正在执行或进行交接；`IDLE` 表示没有活动实例；`BLOCKED` 表示必须先
+读取 checkpoint 原因。JSON 机器读取使用 `--json`，可用于 CI、监控或重连脚本。
+guardian 每两秒刷新 heartbeat，checkpoint 采用临时文件加原子改名，避免动态
+提示读到半个 JSON。
+
 ## Copyable Resume Prompt
 
 Use the following prompt when continuous execution is needed. It is the
@@ -127,6 +149,7 @@ and (when authorized) repository push:
 16. PROCESS_CONTINUITY_IRON_RULE：要实现跨会话不间断执行，必须使用 `run-wbv2-guardian.mjs --max-iterations 0` 托管 `run-wbv2-supervisor.mjs`；单次聊天执行完成后不得假定代理会在下一轮自动复活。guardian/supervisor 必须按任务原子迭代、锁队列、写 checkpoint、成功后立即重读 manifest；失败或状态未知时只能停在精确 checkpoint，不得自动重试或伪造队列前进。
 17. PUSH_COMPLETION_IRON_RULE：任何任务只有在 commit 成功、`git push origin main` 成功且 `git ls-remote --refs origin refs/heads/main` 返回的远端 HEAD 与本地 `git rev-parse HEAD` 相同后才算完成；确认前不得读取下一任务。网络失败最多按退避策略重试，状态未知时不得重放任务写入。
 18. GUARDIAN_CONTINUITY_IRON_RULE：无人值守运行必须由 `run-wbv2-guardian.mjs` 托管 supervisor。guardian 对可证明的 `handed_off` checkpoint 自动恢复，对 `running`、`started`、`blocked`、指针漂移、远端提交不明或任务闭合状态保持精确停止；“不停歇”仅适用于安全可恢复的进程/网络故障，不能解释为绕过真实阻塞。
+19. LIVE_STATUS_IRON_RULE：任何“当前是否在执行”的判断必须以 `node tools/web/print-wbv2-live-status.mjs` 的实时输出为准，不得使用 `nextTask.md` 的静态 snapshot、旧聊天消息或单个历史 manifest 推断。`RUNNING`、`IDLE`、`BLOCKED` 必须分别显示活动 PID、当前任务和 checkpoint 路径；状态工具只读，不得改变队列。
 ```
 
 ## Resume Command
@@ -353,12 +376,12 @@ Recorded: 2026-08-29 Asia/Shanghai
 
 | Field | Value |
 | --- | --- |
-| Current task when this file was written | `WBV2-P568-001` |
+| Current task when this file was written | `WBV2-P568-002` |
 | Current task state | `in_progress` |
-| Parent manifest | `tests/golden/WBV2-P568-000/manifest.json` |
-| Current task card | `docs/tasks/WBV2-P568-001.md` |
-| Current task-context nextTask | `WBV2-P568-002` |
-| Focused command | `node tools/web/generate-wbv2-capability-continuation-slice.mjs --task WBV2-P568-001 --write` |
+| Parent manifest | `tests/golden/WBV2-P568-001/manifest.json` |
+| Current task card | `docs/tasks/WBV2-P568-002.md` |
+| Current task-context nextTask | `WBV2-P568-003` |
+| Focused command | `node tools/web/generate-wbv2-capability-continuation-slice.mjs --task WBV2-P568-002 --write` |
 
 The snapshot is informational and may become stale. On every resume, the queue,
 parent manifest, and fresh `print-task-context` output win. Never infer a task
diff --git a/tests/golden/WBV2-P568-001/capability-continuation-plan.json b/tests/golden/WBV2-P568-001/capability-continuation-plan.json
new file mode 100644
index 000000000..4d1cfe3e0
--- /dev/null
+++ b/tests/golden/WBV2-P568-001/capability-continuation-plan.json
@@ -0,0 +1,151 @@
+{
+  "schemaVersion": 1,
+  "planId": "BLENDER_WEB_CAPABILITY_CONTINUATION_P568",
+  "status": "ACTIVE_CAPABILITY_FAMILY_QUEUE",
+  "authority": "user_authorized_implementation_first_execution",
+  "sourceAuthority": {
+    "blenderRoot": "blender-5.2.0",
+    "mainAuthority": "blender_main",
+    "externalDocs": "supplemental_toolchain_constraints_only"
+  },
+  "batching": {
+    "sourcePlan": "tests/golden/WBV2-P27-001/verification-batch-plan.json",
+    "batchCount": 27,
+    "pendingRows": 6609,
+    "dedupeBy": [
+      "sourceHash",
+      "behaviorHash",
+      "dedupeKey"
+    ]
+  },
+  "inventoryPolicy": {
+    "total": 6900,
+    "legacyCompleted": 281,
+    "legacyPending": 6618,
+    "effectiveCompleted": 290,
+    "effectivePending": 6609,
+    "overlayMutation": "forbidden_during_implementation_wave"
+  },
+  "tasks": [
+    {
+      "id": "WBV2-P568-000",
+      "phase": "P568",
+      "title": "authorize_capability_family_wave",
+      "kind": "enabling",
+      "owner": "PROGRAM",
+      "dependsOn": [
+        "WBV2-P567-003"
+      ],
+      "parityId": null,
+      "implementationClass": "SOURCE_BACKED",
+      "parallelGroup": "p568-000",
+      "gate": "G1",
+      "card": "docs/tasks/WBV2-P568-000.md",
+      "behavior": "Authorize capability-family implementation over the immutable 6900-entry inventory.",
+      "outputs": [
+        "implementation-report",
+        "manifest",
+        "status"
+      ],
+      "acceptance": [
+        "6900 inventory remains immutable",
+        "capability families are deduplicated before implementation",
+        "real Blender source or WebEngine Main path is wired",
+        "verification and completion overlay remain deferred"
+      ],
+      "status": "done",
+      "ready": false,
+      "queueMutationAllowed": true
+    },
+    {
+      "id": "WBV2-P568-001",
+      "phase": "P568",
+      "title": "index_capability_family_batches",
+      "kind": "feature",
+      "owner": "RELEASE",
+      "dependsOn": [
+        "WBV2-P568-000"
+      ],
+      "parityId": null,
+      "implementationClass": "SOURCE_BACKED",
+      "parallelGroup": "p568-001",
+      "gate": "IMPLEMENTATION",
+      "card": "docs/tasks/WBV2-P568-001.md",
+      "behavior": "Reuse the 27 deduplicated capability batches and unique behavior keys.",
+      "outputs": [
+        "implementation-report",
+        "manifest",
+        "status"
+      ],
+      "acceptance": [
+        "6900 inventory remains immutable",
+        "capability families are deduplicated before implementation",
+        "real Blender source or WebEngine Main path is wired",
+        "verification and completion overlay remain deferred"
+      ],
+      "status": "done",
+      "ready": false,
+      "queueMutationAllowed": false
+    },
+    {
+      "id": "WBV2-P568-002",
+      "phase": "P568",
+      "title": "implement_capability_family_slice",
+      "kind": "feature",
+      "owner": "IMPLEMENTATION",
+      "dependsOn": [
+        "WBV2-P568-001"
+      ],
+      "parityId": null,
+      "implementationClass": "SOURCE_BACKED",
+      "parallelGroup": "p568-002",
+      "gate": "IMPLEMENTATION",
+      "card": "docs/tasks/WBV2-P568-002.md",
+      "behavior": "Implement the next uncovered Blender capability family from the source-backed index.",
+      "outputs": [
+        "implementation-report",
+        "manifest",
+        "status"
+      ],
+      "acceptance": [
+        "6900 inventory remains immutable",
+        "capability families are deduplicated before implementation",
+        "real Blender source or WebEngine Main path is wired",
+        "verification and completion overlay remain deferred"
+      ],
+      "status": "in_progress",
+      "ready": true,
+      "queueMutationAllowed": false
+    },
+    {
+      "id": "WBV2-P568-003",
+      "phase": "P568",
+      "title": "run_capability_family_smoke",
+      "kind": "enabling",
+      "owner": "RELEASE",
+      "dependsOn": [
+        "WBV2-P568-002"
+      ],
+      "parityId": null,
+      "implementationClass": "SOURCE_BACKED",
+      "parallelGroup": "p568-003",
+      "gate": "IMPLEMENTATION",
+      "card": "docs/tasks/WBV2-P568-003.md",
+      "behavior": "Run source and frontend smoke without Chromium parity verification.",
+      "outputs": [
+        "implementation-report",
+        "manifest",
+        "status"
+      ],
+      "acceptance": [
+        "6900 inventory remains immutable",
+        "capability families are deduplicated before implementation",
+        "real Blender source or WebEngine Main path is wired",
+        "verification and completion overlay remain deferred"
+      ],
+      "status": "planned",
+      "ready": false,
+      "queueMutationAllowed": false
+    }
+  ]
+}
diff --git a/tests/golden/WBV2-P568-001/implementation-report.json b/tests/golden/WBV2-P568-001/implementation-report.json
new file mode 100644
index 000000000..32ce68559
--- /dev/null
+++ b/tests/golden/WBV2-P568-001/implementation-report.json
@@ -0,0 +1,32 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P568-001",
+  "operation": "IMPLEMENT_CAPABILITY_FAMILY_CONTINUATION",
+  "status": "PASS",
+  "family": "INVENTORY.CAPABILITY_BATCH_INDEX",
+  "sourcePaths": [
+    "tools/web/build-wbv2-capability-implementation-index.mjs",
+    "tests/golden/WBV2-P27-001/verification-batch-plan.json"
+  ],
+  "command": "/home/mes123456/.nvm/versions/node/v24.19.0/bin/node tools/web/build-wbv2-capability-implementation-index.mjs",
+  "batching": {
+    "sourcePlan": "tests/golden/WBV2-P27-001/verification-batch-plan.json",
+    "batchCount": 27,
+    "pendingRows": 6609,
+    "deduplication": true
+  },
+  "verification": {
+    "status": "DEFERRED",
+    "chromium": false,
+    "e2eReceipts": false,
+    "completionOverlay": false
+  },
+  "inventory": {
+    "total": 6900,
+    "legacyCompleted": 281,
+    "legacyPending": 6618,
+    "effectiveCompleted": 290,
+    "effectivePending": 6609
+  },
+  "nextTask": "WBV2-P568-002"
+}
diff --git a/tests/golden/WBV2-P568-001/manifest.json b/tests/golden/WBV2-P568-001/manifest.json
new file mode 100644
index 000000000..884ea390f
--- /dev/null
+++ b/tests/golden/WBV2-P568-001/manifest.json
@@ -0,0 +1,53 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P568-001",
+  "parentTask": "WBV2-P568-000",
+  "operation": "IMPLEMENT_CAPABILITY_FAMILY_CONTINUATION",
+  "status": "done",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "SOURCE_BACKED_CAPABILITY_FAMILY_QUEUE",
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/WBV2-P568-000/manifest.json",
+      "sha256": "4424bd5799970570d35fab2794b433543c88bbbea2fc999d7bd442e7fbb0cba3"
+    },
+    "source1": {
+      "path": "tools/web/build-wbv2-capability-implementation-index.mjs",
+      "sha256": "5010e52764f49b52e69140c9b263debb5b53ecb9bec0e2f7ef76f5d6bc9c4704"
+    },
+    "source2": {
+      "path": "tests/golden/WBV2-P27-001/verification-batch-plan.json",
+      "sha256": "56dddc2e4c380f364d1760dfd9bc7a6be04c1bd8979e0c2aeaa69ae80e80a14e"
+    },
+    "report": {
+      "path": "tests/golden/WBV2-P568-001/implementation-report.json",
+      "sha256": "7c78a0a85aba1fea98f3a873002d1b63cf911eef5d149a2404822b4262f51cbb"
+    },
+    "status": {
+      "path": "docs/status/WBV2-P568-001.md",
+      "sha256": "60b1fe28167c10704c0cde30741bdc9c1418f43b369a52b0d1144f1a1c17efc8"
+    },
+    "plan": {
+      "path": "tests/golden/WBV2-P568-001/capability-continuation-plan.json",
+      "sha256": "7111ba3d5fa7c28cee90904dd68cab8b947814899cab67c15a902abf80b43c81"
+    },
+    "taskContext": {
+      "path": "tests/golden/WBV2-P568-001/task-context.json",
+      "sha256": "c825d55a1d2048d02c08767ae92ec612894da838c4c30f78c71707d367e64925"
+    }
+  },
+  "assertions": {
+    "capabilityFamily": "INVENTORY.CAPABILITY_BATCH_INDEX",
+    "sourceBacked": true,
+    "batchCount": 27,
+    "pendingRows": 6609,
+    "verificationDeferred": true,
+    "completionOverlayWritten": false,
+    "inventoryTotal": 6900,
+    "effectiveCompleted": 290,
+    "effectivePending": 6609,
+    "historicalReproduction": false
+  },
+  "nextTask": "WBV2-P568-002"
+}
diff --git a/tests/golden/WBV2-P568-001/task-context.json b/tests/golden/WBV2-P568-001/task-context.json
new file mode 100644
index 000000000..516388dfd
--- /dev/null
+++ b/tests/golden/WBV2-P568-001/task-context.json
@@ -0,0 +1,167 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P568-001",
+  "parentTask": "WBV2-P568-000",
+  "status": "in_progress",
+  "goal": "Reuse the 27 deduplicated capability batches and unique behavior keys.",
+  "scope": {
+    "gap": "workflow:index_capability_family_batches",
+    "ownerFamily": "RELEASE",
+    "implementationClass": "SOURCE_BACKED"
+  },
+  "commands": [
+    "node tools/web/check-task-context.mjs --task WBV2-P568-001 --write"
+  ],
+  "inputPaths": [],
+  "inputSelection": {
+    "schemaVersion": 1,
+    "limits": {
+      "maxFiles": 12,
+      "evidenceBytes": 8192,
+      "contextRemainingBytes": 4208,
+      "contextRemainingTokens": 1051
+    },
+    "source": {
+      "bytes": 5696,
+      "tokens": 1425
+    },
+    "selected": [],
+    "excluded": [
+      {
+        "path": "blender-5.2.0/source/blender",
+        "bytes": 12546,
+        "reason": "EVIDENCE_BYTE_BUDGET"
+      },
+      {
+        "path": "tests/golden/WBV2-P27-001/verification-batch-plan.json",
+        "bytes": 21184,
+        "reason": "EVIDENCE_BYTE_BUDGET"
+      },
+      {
+        "path": "tests/golden/WBV2-P568-001/",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "docs/status/WBV2-P568-001.md",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      },
+      {
+        "path": "tests/golden/WBV2-P568-001/manifest.json",
+        "bytes": null,
+        "reason": "GENERATED_EVIDENCE_OUTPUT"
+      }
+    ],
+    "totals": {
+      "files": 0,
+      "bytes": 0,
+      "tokens": 0
+    }
+  },
+  "exitCriteria": [
+    "6900 inventory remains immutable",
+    "capability families are deduplicated before implementation",
+    "real Blender source or WebEngine Main path is wired",
+    "verification and completion overlay remain deferred"
+  ],
+  "nextTask": "WBV2-P568-002",
+  "sourceDocuments": {
+    "queue": "docs/EXECUTION_QUEUE.md",
+    "taskCard": "docs/tasks/WBV2-P568-001.md",
+    "taskIndex": "tests/golden/WBV2/task-index.json",
+    "parentManifest": "tests/golden/WBV2-P568-000/manifest.json",
+    "parentStatus": "docs/status/WBV2-P568-000.md"
+  },
+  "readPolicy": {
+    "required": [
+      "docs/EXECUTION_QUEUE.md",
+      "docs/tasks/WBV2-P568-001.md",
+      "tests/golden/WBV2-P568-000/manifest.json",
+      "docs/status/WBV2-P568-000.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-P568-000",
+      "parentTask": "WBV2-P567-003",
+      "status": "done",
+      "nextTask": "WBV2-P568-001",
+      "artifactCount": 4
+    },
+    "statusSummary": [
+      "# WBV2-P568-000 status",
+      "- task: `WBV2-P568-000`; parent: `WBV2-P567-003`; status: `done`",
+      "- capability-family continuation authorized from Blender source",
+      "- 6900 inventory: 27 deduplicated batches, 6609 pending rows",
+      "- verification and completion overlay: `DEFERRED`",
+      "- nextTask: `WBV2-P568-001`"
+    ]
+  },
+  "budgets": {
+    "queueBytes": 4096,
+    "taskBytes": 1308,
+    "parentManifestBytes": 24576,
+    "parentStatusBytes": 6144,
+    "evidenceFiles": 12,
+    "evidenceBytes": 8192,
+    "contextTokens": 3500,
+    "contextEnvelopeTokens": 1024,
+    "taskLines": 39,
+    "taskTokens": 327
+  },
+  "size": {
+    "documents": [
+      {
+        "path": "docs/EXECUTION_QUEUE.md",
+        "bytes": 2807,
+        "lines": 51,
+        "tokens": 702
+      },
+      {
+        "path": "docs/tasks/WBV2-P568-001.md",
+        "bytes": 1308,
+        "lines": 39,
+        "tokens": 327
+      },
+      {
+        "path": "tests/golden/WBV2-P568-000/manifest.json",
+        "bytes": 1289,
+        "lines": 40,
+        "tokens": 323
+      },
+      {
+        "path": "docs/status/WBV2-P568-000.md",
+        "bytes": 292,
+        "lines": 8,
+        "tokens": 73
+      }
+    ],
+    "sourceTokens": 1425,
+    "evidenceFiles": 0,
+    "evidenceBytes": 0,
+    "evidenceTokens": 0,
+    "totalTokens": 1425,
+    "reservedEnvelopeTokens": 1024,
+    "estimatedContextTokens": 2449,
+    "serializedContextTokens": 624,
+    "withinBudget": true
+  }
+}
diff --git a/tests/golden/WBV2/task-catalog.jsonl b/tests/golden/WBV2/task-catalog.jsonl
index 156bd2ce2..e1d7f2fdf 100644
--- a/tests/golden/WBV2/task-catalog.jsonl
+++ b/tests/golden/WBV2/task-catalog.jsonl
@@ -1,4 +1,4 @@
 {"id":"WBV2-P568-000","gapId":"workflow:authorize_capability_family_wave","ownerFamily":"PROGRAM","sourceTask":"P568","state":"completed","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
-{"id":"WBV2-P568-001","gapId":"workflow:index_capability_family_batches","ownerFamily":"RELEASE","sourceTask":"P568","state":"active","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
-{"id":"WBV2-P568-002","gapId":"workflow:implement_capability_family_slice","ownerFamily":"IMPLEMENTATION","sourceTask":"P568","state":"pending","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
+{"id":"WBV2-P568-001","gapId":"workflow:index_capability_family_batches","ownerFamily":"RELEASE","sourceTask":"P568","state":"completed","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
+{"id":"WBV2-P568-002","gapId":"workflow:implement_capability_family_slice","ownerFamily":"IMPLEMENTATION","sourceTask":"P568","state":"active","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
 {"id":"WBV2-P568-003","gapId":"workflow:run_capability_family_smoke","ownerFamily":"RELEASE","sourceTask":"P568","state":"pending","targetImplementationClass":"SOURCE_BACKED","exitCriteria":["6900 inventory remains immutable","capability families are deduplicated before implementation","real Blender source or WebEngine Main path is wired","verification and completion overlay remain deferred"]}
diff --git a/tests/golden/WBV2/task-index.json b/tests/golden/WBV2/task-index.json
index a8dd0de89..3bca14bf8 100644
--- a/tests/golden/WBV2/task-index.json
+++ b/tests/golden/WBV2/task-index.json
@@ -1 +1 @@
-{"schemaVersion":1,"operation":"BLENDER_WEB_CAPABILITY_TASK_INDEX","source":{"path":"tests/golden/WBV2-P568-000/capability-continuation-plan.json","sha256":"1c9f73068f900481fa2d59ffd9e872d5035c2e8b8673fb553f672c11f0d4e541"},"catalog":{"path":"tests/golden/WBV2/task-catalog.jsonl","sha256":"a45822798dba54c1dc1f1483cca53b57dc18a40df7a4f938e1c9d5360ee24008"},"taskCount":4,"activeTask":"WBV2-P568-001","entries":{"WBV2-P568-000":{"line":0,"offset":0,"length":404,"previous":"WBV2-P567-003","next":"WBV2-P568-001"},"WBV2-P568-001":{"line":1,"offset":404,"length":400,"previous":"WBV2-P568-000","next":"WBV2-P568-002"},"WBV2-P568-002":{"line":2,"offset":804,"length":410,"previous":"WBV2-P568-001","next":"WBV2-P568-003"},"WBV2-P568-003":{"line":3,"offset":1214,"length":397,"previous":"WBV2-P568-002","next":null}}}
+{"schemaVersion":1,"operation":"BLENDER_WEB_CAPABILITY_TASK_INDEX","source":{"path":"tests/golden/WBV2-P568-001/capability-continuation-plan.json","sha256":"7111ba3d5fa7c28cee90904dd68cab8b947814899cab67c15a902abf80b43c81"},"catalog":{"path":"tests/golden/WBV2/task-catalog.jsonl","sha256":"f77ecca1309ba1274189eb5950b3f03d0a65d101d1747c9fd332dbf8ddd29fdf"},"taskCount":4,"activeTask":"WBV2-P568-002","entries":{"WBV2-P568-000":{"line":0,"offset":0,"length":404,"previous":"WBV2-P567-003","next":"WBV2-P568-001"},"WBV2-P568-001":{"line":1,"offset":404,"length":403,"previous":"WBV2-P568-000","next":"WBV2-P568-002"},"WBV2-P568-002":{"line":2,"offset":807,"length":409,"previous":"WBV2-P568-001","next":"WBV2-P568-003"},"WBV2-P568-003":{"line":3,"offset":1216,"length":397,"previous":"WBV2-P568-002","next":null}}}