feat(web): classify and route complete Blender inventory

docs/tasks/WBV2-P1423-000.md

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+# WBV2-P1423-000: authorize source-unit route completion
+
+- task: WBV2-P1423-000
+- parent: WBV2-P1422-001
+- status: done
+- nextTask: WBV2-P1423-001
+- route catalog: `web/app/src/capabilities/blender-feature-route-catalog.json`

docs/tasks/WBV2-P1423-001.md

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+# WBV2-P1423-001: complete source-unit route completion
+
+- task: WBV2-P1423-001
+- parent: WBV2-P1423-000
+- status: in_progress
+- targetImplementationClass: PRODUCT_WORKFLOW
+- implementation entrypoint: `python3 my-tools/run_web_product_migration.py`
+- node tools/web/print-task-context.mjs
+- route catalog: `web/app/src/capabilities/blender-feature-route-catalog.json`
+
+## 目标
+
+Complete execution routes for every classified Blender source unit. WEB_MAIN uses typed Main/WASM, SERVER_NATIVE uses bounded background Blender jobs, BROWSER_EQUIVALENT uses browser workflows, and UNAVAILABLE remains explicit.
+
+## 输入与范围
+
+- `docs/WEB_FULL_FEATURE_GAP_INVENTORY.md`
+- `web/app/src/capabilities/blender-feature-route-catalog.json`
+- pending tasks in `tests/golden/WBV2/web-product-backlog.json`
+- each task's owned source/protocol/Worker/UI paths
+
+## 验收
+
+- every route is typed, bounded and source-backed
+- no JavaScript simulation replaces Blender Main or a declared server job
+- browser-only context is represented by an explicit equivalent route
+- verification remains incremental and deferred to user operation
+
+## 失败边界
+
+- unsupported context, unsafe RNA pointer, missing server capability or malformed job fails closed
+- failed turns remain pending and are retried
+- route catalog never marks behavioral verification as complete by classification alone
+
+## 交付与回滚
+
+- result artifacts: `tests/golden/WBV2/product-migration/*-result.json`
+- aggregate report: `tests/golden/WBV2-P1423-001/product-implementation-report.json`
+- rollback: stop the product runner and retain the last completed route task