docs: Add code example for cross-endpoint dispatch

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Adds a practical code example to the "Cross-endpoint communication" section showing how to call one endpoint from another using in-body imports. This documents the pattern that Flash's dependency resolver uses for cross-endpoint dispatch.

Trigger Events

runpod/flash PR #224: fix(stubs): resolve in-function @remote imports for cross-endpoint dispatch

Promptless Research (7 files, 1 GitHub PR)

• Reviewed runpod/flash#224
• Viewed .long_term_context/product_knowledge/product_overview.md
• Viewed .long_term_context/doc_workflow/client_instructions.md
• Viewed .long_term_context/style/client_style_guide.md
• Viewed flash/create-endpoints.mdx
• Viewed flash/execution-model.mdx
• Viewed flash/apps/overview.mdx
• Viewed flash/apps/deploy-apps.mdx

Agent Response

I've reviewed PR #224 and created a documentation suggestion.

Summary

PR #224 fixes a bug in Flash's dependency resolver where @Endpoint functions imported inside function bodies weren't being detected for cross-endpoint dispatch. Previously, this pattern caused ModuleNotFoundError on remote workers.

Documentation Update

I found that the existing "Cross-endpoint communication" section in the Flash deployment docs explains the mechanism conceptually but lacked any code examples showing users how to actually implement it.

Created suggestion: Add code example for cross-endpoint dispatch

Changes to flash/apps/deploy-apps.mdx:

• Added a new subsection "Calling another endpoint from your code"
• Included a practical two-file code example showing:
  • A GPU worker endpoint (gpu_inference)
  • A CPU pipeline endpoint that imports and calls the GPU endpoint from within its function body
• Added a Note explaining that endpoint function imports must be inside the function body for Flash to detect and generate dispatch stubs

This documents the in-body import pattern that PR #224 enables, helping users understand how to build multi-endpoint pipelines in Flash.

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Citation: This example documents the in-body import pattern that PR #224 fixes. The PR adds resolve_in_function_imports() and strip_remote_imports() to the dependency resolver, enabling the pattern shown in this code example where from gpu_worker import gpu_inference is used inside the function body for cross-endpoint dispatch.
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