feat(web): auto-discover line style subtype batch

docs/status/WBV2-P1160-000.md

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+# WBV2-P1160-000 status
+
+- task: `WBV2-P1160-000`; parent: `WBV2-P1159-001`; status: `done`
+- taskClass: `QUEUE_ENABLEMENT`; no modifier-family parity completion claimed
+- source-backed batch authorized: `LINE_STYLE_SUBTYPE_READER_BATCH` (39 units)
+- dynamic inventory: `3745` units; verified `478`; unverified `3267`; bound delta `0`
+- nextTask: `WBV2-P1160-001`

docs/status/WBV2-P1160-001.md

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+# WBV2-P1160-001 status
+
+- task: `WBV2-P1160-001`; module: `LINE_STYLE_SUBTYPE_READER_BATCH`; status: `done`
+- source hashes stable: `true`; commands passed: `4`
+- existing production evidence reused: `true`; skipped commands: `4`
+- positive Main mutation, negative no-mutation, recovery and Chromium gates are recorded in the module receipt
+- dynamic source inventory: `3745` units; verified `517`; unverified `3228`; planning estimate `5200` (non-binding); this-segment binding delta: `39`
+- historical 6900-entry inventory remains read-only; full-family parity: `false`
+- nextTask: `NONE`

docs/tasks/WBV2-P1160-000.md

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+# WBV2-P1160-000: authorize module batch
+
+- task: WBV2-P1160-000
+- parent: WBV2-P1159-001
+- status: done
+- gap: capability:LINE_STYLE_SUBTYPE_READER_BATCH
+- ownerFamily: DRAWING
+- targetImplementationClass: QUEUE_ONLY
+- Implementation entrypoint: `python3 my-tools/authorize_next_wbv2_task.py --write`
+
+## 目标
+
+授权一个共享 Blender Main/WASM/Chromium 功能批次：LINE_STYLE_SUBTYPE_READER_BATCH，共 39 个源码/RNA 单元。
+
+## 输入与范围
+
+- Blender source: `blender-5.2.0/source/blender`
+- Fixtures/test: `tests/files/web/line_style_subtype_batch_scene.blend`, `web/tests/e2e/wbv2-line-style-reader-production.spec.ts`
+
+## 验收
+
+- prior evidence and dynamic inventory remain hash-bound and immutable
+- one shared function chain validates the complete selected batch
+- missing source, unsupported data, hash drift or false completion remains blocked
+- `node tools/web/check-task-context.mjs --task WBV2-P1160-000 --write`
+
+## 交付与回滚
+
+- Manifest: `tests/golden/WBV2-P1160-000/manifest.json`
+- Status: `docs/status/WBV2-P1160-000.md`
+- Rollback: restore WBV2-P1159-001 as queue parent.

docs/tasks/WBV2-P1160-001.md

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+# WBV2-P1160-001: verify line style modifier subtype reader batch
+
+- task: WBV2-P1160-001
+- parent: WBV2-P1160-000
+- status: done
+- gap: capability:LINE_STYLE_SUBTYPE_READER_BATCH
+- ownerFamily: DRAWING
+- targetImplementationClass: LOCAL_EXACT
+- Implementation entrypoint: `node tools/web/run-wbv2-module-task.mjs --task WBV2-P1160-001 --write`
+
+## 目标
+
+使用一个共享 Blender Main/WASM/Worker/Chromium 链验证 0 个 modifier source 与 39 个 RNA unit，形成一个聚合 receipt。
+
+## 输入与范围
+
+- Blender source family: `blender-5.2.0/source/blender`
+- Fixtures: `tests/files/web/line_style_subtype_batch_scene.blend`
+- Chromium test: `web/tests/e2e/wbv2-line-style-reader-production.spec.ts`
+- Unit selection: `39 units`（完整列表只在 module plan/manifest）
+
+## 验收
+
+- one shared function chain covers every selected unit exactly once
+- malformed input, unsupported data and hash drift fail closed without Main mutation
+- save/reopen, deterministic second read and Chromium evidence are exact
+- `node tools/web/check-task-context.mjs --task WBV2-P1160-001 --write`
+
+## 失败边界
+
+- partial batch success never advances or claims omitted units
+- existing source/receipt hashes are reused; historical inventory remains read-only
+
+## 交付与回滚
+
+- Aggregate receipt: `tests/golden/WBV2-P1160-001/module-receipt.json`
+- Production evidence: `tests/golden/WBV2-P1160-001/modifier-reader-batch-production.json`
+- Manifest: `tests/golden/WBV2-P1160-001/manifest.json`
+- Rollback: restore WBV2-P1160-000 as queue parent.