feat(core): add aiLocateAll batch locator

[quanru]

Summary

• add agent.aiLocateAll() and YAML aiLocateAll using the API shape from PR feat(core): add aiLocateAll (#1848) #1914
• implement batch location as a single VLM call that returns multiple matching elements, then parse through the current locator adapter, sort, dedupe, and map results back to screen coordinates
• wire the result through service dumps, task execution, report multi-highlight, docs, and focused unit coverage

Review doc

Feishu/Lark: https://bytedance.larkoffice.com/docx/O8wNdae2JoJhv1xzbzocgdf8nLR

Validation

• pnpm exec tsc --noEmit --project packages/core/tsconfig.json
• pnpm exec tsc --noEmit --project apps/report/tsconfig.json
• pnpm --dir packages/core exec vitest run tests/unit-test/inspect-locate-all.test.ts tests/unit-test/service-locate-all.test.ts tests/unit-test/task-builder.test.ts tests/unit-test/agent-locate-all.test.ts tests/unit-test/player-action-dispatch.test.ts
• pnpm --dir packages/web-integration exec vitest run tests/unit-test/yaml/player.test.ts
• pnpm run lint
• npx nx build @midscene/core
• npx nx build @midscene/report

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Guard null locate-all responses before reading fields

If a model returns valid JSON null for a malformed/no-match locate-all response, callAIWithObjectResponse can pass it through because typeof null === 'object', and this dereference throws a TypeError before the intended fatal-response branch can create a ServiceError dump. Please validate res.content is a non-null object before reading errors or elements so malformed locate-all responses fail with the report dump preserved.

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