[Mangolycheematcha]

In Dify 1.18.0, exporting an app that calls a workflow tool keeps the source workspace's tool reference without including the called Workflow app. The existing export/import guide lists this omission but does not explain how to reconnect the caller or verify it after migration.

Add one version-scoped section to the existing self-host guide in English, Chinese, and Japanese. It covers direct and nested dependencies, choosing a published version, preparing destination workflow tools, replacing Tool nodes and configured Agent tools, checking inputs and downstream output references, and exercising the calls before publication. It also explains the reported missing-provider error. Existing content and navigation are preserved.

Evidence and scope

• Verified against Dify 1.18.0 (50abea97) and main 4208034b; the relevant package/DSL/provider code is identical at both refs. See package export and tenant-scoped workflow-tool resolution.
• Extends the guide introduced in docs: document app package export and import for ce 1.18.0 #1097 and merged into main by docs: merge release/1.18.0 into main #1127. Cloud remains on its separate documentation release lane; no Cloud package behavior is assumed.
• Related to Exported app packages don't include the workflows an app calls as workflow tools dify#44597. The automatic-bundling implementation in feat(api): bundle called workflow tools in app packages dify#44592 remains unmerged at submission and is not described as shipped.
• Documentation only; no product behavior is changed and no automatic dependency repair is promised.

Validation

• English and CJK format checks: zero violations across the three complete pages.
• Repository parity logic: passed, using a local Windows path-separator shim; repository tooling is unchanged.
• Changed-page link/anchor check: passed, including navigation. Full repository check reports the same six broken anchors as an untouched main worktree; zero broken paths and zero navigation issues.
• Mintlify local preview: all three pages rendered and visually inspected, including the four-step list and limitation callout. git diff --check passed.
• Independent English editor and first-time reader reviews informed the final wording. The primary agent compared the translations with the frozen English. Fresh independent Chinese/Japanese judges could not run because Luna hit its usage limit; maintainer language review remains pending.
• Product guidance was validated against pinned source, not an end-to-end migration between running Dify workspaces. Keep this PR as a draft pending that validation and language review.

From Codex

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