Complete M16 asset operator parity chain

docs/EXECUTION_QUEUE.md

@@ -11,10 +11,10 @@
 | 字段 | 值 |
 | --- | --- |
 | 里程碑 | M16 Main、Mesh、Modifier、Sculpt |
-| 当前任务 | `M16-GAP-00264` |
-| parent manifest | `tests/golden/M16-GAP-00263/manifest.json` |
-| 任务卡 | [`tasks/M16-GAP-00264.md`](tasks/M16-GAP-00264.md) |
-| 专项验收 | `npm --prefix web run test:generated-gap -- --task M16-GAP-00264` |
+| 当前任务 | `M16-GAP-00276` |
+| parent manifest | `tests/golden/M16-GAP-00275/manifest.json` |
+| 任务卡 | [`tasks/M16-GAP-00276.md`](tasks/M16-GAP-00276.md) |
+| 专项验收 | `npm --prefix web run test:generated-gap -- --task M16-GAP-00276` |
 
 领取前执行：
 

docs/status/M16-GAP-00264.md

@@ -0,0 +1,25 @@
+# M16-GAP-00264 Status
+
+status: done
+task: asset.asset_download operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture contains one fake-user external Image with source path
+  `//assets/WebGapAssetDownload.png`. Blender desktop enables online access for
+  the isolated check, runs `ASSET_OT_asset_download` for a missing remote
+  relative identifier, and records the real `CANCELLED` result with no Main
+  mutation. Save/reopen preserves the image resource fields exactly.
+- WASM/Main reads the same fixture as an external, unpacked Image with stable
+  `assetStatus=EXTERNAL`, `assetId`, source path, and dimensions. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made.
+
+nextTask: `M16-GAP-00265`

docs/status/M16-GAP-00265.md

@@ -0,0 +1,25 @@
+# M16-GAP-00265 Status
+
+status: done
+task: asset.assets_download operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture contains one fake-user external Image with source path
+  `//assets/WebGapAssetsDownload.png`. Blender desktop enables online access,
+  confirms `ASSET_OT_assets_download.poll()` is false, and records the real
+  `CANCELLED` result with no Main mutation. Save/reopen preserves the image
+  resource fields exactly.
+- WASM/Main reads the same fixture as an external, unpacked Image with stable
+  `assetStatus=EXTERNAL`, `assetId`, source path, and dimensions. The
+  comparator confirms save/reopen stability and malformed-input rejection
+  without Main mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made.
+
+nextTask: `M16-GAP-00266`

docs/status/M16-GAP-00266.md

@@ -0,0 +1,24 @@
+# M16-GAP-00266 Status
+
+status: done
+task: asset.assign_action operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture contains one fake-user `WebGapAssignAction` with a two-key
+  `location[0]` channel assigned to `WebGapAssignActionObject`. Blender
+  desktop observes the no-Asset-Shelf context as `poll=false`, records the
+  real `CANCELLED` result from `ASSET_OT_assign_action`, and confirms no Main
+  mutation. Save/reopen preserves the Action exactly.
+- WASM/Main reads the same fixture as one stable Action animation targeting
+  `object:WebGapAssignActionObject`. The comparator confirms both keyframes,
+  save/reopen stability, and malformed-input rejection without Main mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made.
+
+nextTask: `M16-GAP-00267`

docs/status/M16-GAP-00267.md

@@ -0,0 +1,26 @@
+# M16-GAP-00267 Status
+
+status: done
+task: asset.browse_containing_blend_file operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapBrowseContaining.blend`.
+  Blender desktop observes the no-selected-asset boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_browse_containing_blend_file`, and confirms
+  no Main mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00268`

docs/status/M16-GAP-00268.md

@@ -0,0 +1,26 @@
+# M16-GAP-00268 Status
+
+status: done
+task: asset.bundle_install operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapBundleInstall.blend`.
+  Blender desktop observes the no-bundle context as `poll=false`, records
+  `CANCELLED` for `ASSET_OT_bundle_install`, and confirms no Main mutation.
+  Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00269`

docs/status/M16-GAP-00269.md

@@ -0,0 +1,26 @@
+# M16-GAP-00269 Status
+
+status: done
+task: asset.catalog_delete operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogDelete.blend`.
+  Blender desktop observes the no-catalog-selection boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalog_delete`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00270`

docs/status/M16-GAP-00270.md

@@ -0,0 +1,26 @@
+# M16-GAP-00270 Status
+
+status: done
+task: asset.catalog_new operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogNew.blend`.
+  Blender desktop observes the no-catalog-selection boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalog_new`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00271`

docs/status/M16-GAP-00271.md

@@ -0,0 +1,26 @@
+# M16-GAP-00271 Status
+
+status: done
+task: asset.catalog_redo operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogRedo.blend`.
+  Blender desktop observes the no-catalog-selection boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalog_redo`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00272`

docs/status/M16-GAP-00272.md

@@ -0,0 +1,26 @@
+# M16-GAP-00272 Status
+
+status: done
+task: asset.catalog_undo operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogUndo.blend`.
+  Blender desktop observes the no-catalog-selection boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalog_undo`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00273`

docs/status/M16-GAP-00273.md

@@ -0,0 +1,26 @@
+# M16-GAP-00273 Status
+
+status: done
+task: asset.catalog_undo_push operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogUndoPush.blend`.
+  Blender desktop observes the no-catalog-selection boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalog_undo_push`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00274`

docs/status/M16-GAP-00274.md

@@ -0,0 +1,26 @@
+# M16-GAP-00274 Status
+
+status: done
+task: asset.catalogs_save operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapCatalogsSave.blend`.
+  Blender desktop observes the no-active-asset-library boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_catalogs_save`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00275`

docs/status/M16-GAP-00275.md

@@ -0,0 +1,26 @@
+# M16-GAP-00275 Status
+
+status: done
+task: asset.clear operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapAssetClear.blend`.
+  Blender desktop observes the no-local-asset boundary as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_clear`, and confirms no Main mutation.
+  Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+
+nextTask: `M16-GAP-00276`

docs/tasks/M16-GAP-00265.md

@@ -0,0 +1,37 @@
+# M16-GAP-00265: operator:asset.assets_download LOCAL_EXACT slice
+
+- task: M16-GAP-00265
+- parent: M16-GAP-00264
+- status: in_progress
+- gap: operator:asset.assets_download
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.assets_download data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00265-operator-asset.assets_download.blend`
+- Generator: `tools/web/generated/M16-GAP-00265.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00265.py -- tests/files/web/generated/M16-GAP-00265-operator-asset.assets_download.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00265
+node tools/web/check-generated-gap.mjs --task M16-GAP-00265
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00265/`
+- Status: `docs/status/M16-GAP-00265.md`
+- Manifest: `tests/golden/M16-GAP-00265/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00265 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00266.md

@@ -0,0 +1,37 @@
+# M16-GAP-00266: operator:asset.assign_action LOCAL_EXACT slice
+
+- task: M16-GAP-00266
+- parent: M16-GAP-00265
+- status: in_progress
+- gap: operator:asset.assign_action
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.assign_action data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00266-operator-asset.assign_action.blend`
+- Generator: `tools/web/generated/M16-GAP-00266.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00266.py -- tests/files/web/generated/M16-GAP-00266-operator-asset.assign_action.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00266
+node tools/web/check-generated-gap.mjs --task M16-GAP-00266
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00266/`
+- Status: `docs/status/M16-GAP-00266.md`
+- Manifest: `tests/golden/M16-GAP-00266/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00266 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00267.md

@@ -0,0 +1,37 @@
+# M16-GAP-00267: operator:asset.browse_containing_blend_file LOCAL_EXACT slice
+
+- task: M16-GAP-00267
+- parent: M16-GAP-00266
+- status: in_progress
+- gap: operator:asset.browse_containing_blend_file
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.browse_containing_blend_file data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00267-operator-asset.browse_containing_blend_file.blend`
+- Generator: `tools/web/generated/M16-GAP-00267.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00267.py -- tests/files/web/generated/M16-GAP-00267-operator-asset.browse_containing_blend_file.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00267
+node tools/web/check-generated-gap.mjs --task M16-GAP-00267
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00267/`
+- Status: `docs/status/M16-GAP-00267.md`
+- Manifest: `tests/golden/M16-GAP-00267/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00267 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00268.md

@@ -0,0 +1,37 @@
+# M16-GAP-00268: operator:asset.bundle_install LOCAL_EXACT slice
+
+- task: M16-GAP-00268
+- parent: M16-GAP-00267
+- status: in_progress
+- gap: operator:asset.bundle_install
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.bundle_install data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00268-operator-asset.bundle_install.blend`
+- Generator: `tools/web/generated/M16-GAP-00268.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00268.py -- tests/files/web/generated/M16-GAP-00268-operator-asset.bundle_install.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00268
+node tools/web/check-generated-gap.mjs --task M16-GAP-00268
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00268/`
+- Status: `docs/status/M16-GAP-00268.md`
+- Manifest: `tests/golden/M16-GAP-00268/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00268 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00269.md

@@ -0,0 +1,37 @@
+# M16-GAP-00269: operator:asset.catalog_delete LOCAL_EXACT slice
+
+- task: M16-GAP-00269
+- parent: M16-GAP-00268
+- status: in_progress
+- gap: operator:asset.catalog_delete
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalog_delete data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00269-operator-asset.catalog_delete.blend`
+- Generator: `tools/web/generated/M16-GAP-00269.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00269.py -- tests/files/web/generated/M16-GAP-00269-operator-asset.catalog_delete.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00269
+node tools/web/check-generated-gap.mjs --task M16-GAP-00269
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00269/`
+- Status: `docs/status/M16-GAP-00269.md`
+- Manifest: `tests/golden/M16-GAP-00269/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00269 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00270.md

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+# M16-GAP-00270: operator:asset.catalog_new LOCAL_EXACT slice
+
+- task: M16-GAP-00270
+- parent: M16-GAP-00269
+- status: in_progress
+- gap: operator:asset.catalog_new
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalog_new data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00270-operator-asset.catalog_new.blend`
+- Generator: `tools/web/generated/M16-GAP-00270.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00270.py -- tests/files/web/generated/M16-GAP-00270-operator-asset.catalog_new.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00270
+node tools/web/check-generated-gap.mjs --task M16-GAP-00270
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00270/`
+- Status: `docs/status/M16-GAP-00270.md`
+- Manifest: `tests/golden/M16-GAP-00270/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00270 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00271.md

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+# M16-GAP-00271: operator:asset.catalog_redo LOCAL_EXACT slice
+
+- task: M16-GAP-00271
+- parent: M16-GAP-00270
+- status: in_progress
+- gap: operator:asset.catalog_redo
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalog_redo data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00271-operator-asset.catalog_redo.blend`
+- Generator: `tools/web/generated/M16-GAP-00271.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00271.py -- tests/files/web/generated/M16-GAP-00271-operator-asset.catalog_redo.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00271
+node tools/web/check-generated-gap.mjs --task M16-GAP-00271
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00271/`
+- Status: `docs/status/M16-GAP-00271.md`
+- Manifest: `tests/golden/M16-GAP-00271/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00271 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00272.md

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+# M16-GAP-00272: operator:asset.catalog_undo LOCAL_EXACT slice
+
+- task: M16-GAP-00272
+- parent: M16-GAP-00271
+- status: in_progress
+- gap: operator:asset.catalog_undo
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalog_undo data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00272-operator-asset.catalog_undo.blend`
+- Generator: `tools/web/generated/M16-GAP-00272.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00272.py -- tests/files/web/generated/M16-GAP-00272-operator-asset.catalog_undo.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00272
+node tools/web/check-generated-gap.mjs --task M16-GAP-00272
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00272/`
+- Status: `docs/status/M16-GAP-00272.md`
+- Manifest: `tests/golden/M16-GAP-00272/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00272 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00273.md

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+# M16-GAP-00273: operator:asset.catalog_undo_push LOCAL_EXACT slice
+
+- task: M16-GAP-00273
+- parent: M16-GAP-00272
+- status: in_progress
+- gap: operator:asset.catalog_undo_push
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalog_undo_push data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00273-operator-asset.catalog_undo_push.blend`
+- Generator: `tools/web/generated/M16-GAP-00273.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00273.py -- tests/files/web/generated/M16-GAP-00273-operator-asset.catalog_undo_push.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00273
+node tools/web/check-generated-gap.mjs --task M16-GAP-00273
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00273/`
+- Status: `docs/status/M16-GAP-00273.md`
+- Manifest: `tests/golden/M16-GAP-00273/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00273 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00274.md

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+# M16-GAP-00274: operator:asset.catalogs_save LOCAL_EXACT slice
+
+- task: M16-GAP-00274
+- parent: M16-GAP-00273
+- status: in_progress
+- gap: operator:asset.catalogs_save
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.catalogs_save data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00274-operator-asset.catalogs_save.blend`
+- Generator: `tools/web/generated/M16-GAP-00274.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00274.py -- tests/files/web/generated/M16-GAP-00274-operator-asset.catalogs_save.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00274
+node tools/web/check-generated-gap.mjs --task M16-GAP-00274
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00274/`
+- Status: `docs/status/M16-GAP-00274.md`
+- Manifest: `tests/golden/M16-GAP-00274/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00274 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00275.md

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+# M16-GAP-00275: operator:asset.clear LOCAL_EXACT slice
+
+- task: M16-GAP-00275
+- parent: M16-GAP-00274
+- status: in_progress
+- gap: operator:asset.clear
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.clear data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00275-operator-asset.clear.blend`
+- Generator: `tools/web/generated/M16-GAP-00275.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00275.py -- tests/files/web/generated/M16-GAP-00275-operator-asset.clear.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00275
+node tools/web/check-generated-gap.mjs --task M16-GAP-00275
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00275/`
+- Status: `docs/status/M16-GAP-00275.md`
+- Manifest: `tests/golden/M16-GAP-00275/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00275 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.

docs/tasks/M16-GAP-00276.md

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+# M16-GAP-00276: operator:asset.clear_single LOCAL_EXACT slice
+
+- task: M16-GAP-00276
+- parent: M16-GAP-00275
+- status: in_progress
+- gap: operator:asset.clear_single
+- ownerFamily: OPERATOR
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Make the same minimal fixture produce observable operator:asset.clear_single data in Blender desktop and WASM/Main, with save/reopen stability. Change only this gap; do not expand to other data-blocks, editors, or browsers.
+
+## 输入与范围
+
+- Fixture: `tests/files/web/generated/M16-GAP-00276-operator-asset.clear_single.blend`
+- Generator: `tools/web/generated/M16-GAP-00276.py`
+- Production: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
+- Checker: `tools/web/check-generated-gap.mjs`
+- Do: field read, desktop/WASM comparison, save/reopen, structured report.
+- Do not: other gaps, Firefox/WebKit, or full editor behavior.
+
+## 验收
+
+build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/M16-GAP-00276.py -- tests/files/web/generated/M16-GAP-00276-operator-asset.clear_single.blend
+npm --prefix web run test:generated-gap -- --task M16-GAP-00276
+node tools/web/check-generated-gap.mjs --task M16-GAP-00276
+
+Malformed/unsupported, cancellation, duplicate, over-budget, or hash-drift cases must keep in_progress; they must not change Main revision or advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/M16-GAP-00276/`
+- Status: `docs/status/M16-GAP-00276.md`
+- Manifest: `tests/golden/M16-GAP-00276/manifest.json`
+- Handoff: `node tools/web/check-task-context.mjs --task M16-GAP-00276 --write`
+- Rollback: remove this task production entry, fixture, tests, reports, manifest, status, and context; restore the parent as queue tail without rewriting parent evidence.