docs: update for PR #40

[github-actions]

Documentation Update for PR #40

Updates changelog to document the bug fix for multiple image inputs being lost in dynamicInputs.

Changes Made

Changelog (pages/changelog.mdx)

• Added new "Unreleased" section with fix for PR #40
• Multiple Image Inputs bug fix entry under "Fixed" section
  • Describes the issue: multiple edges targeting same schema-mapped handle now aggregate into arrays instead of overwriting
  • Notes backward compatibility: single image connections remain as strings
  • Mentions 4 new regression tests added
  • Documents type safety improvement with dynamicInputs supporting both string and string[]

Analysis Summary

The PR fixed a critical bug where connecting multiple images to the same dynamic input handle (e.g., connecting two Image Input nodes to a single "image" handle on a fal/Replicate node) would result in only the last image being used. The fix:

1. Store aggregation logic: Modified workflowStore.ts to accumulate values into arrays when the same schema key appears multiple times
2. Type updates: Changed dynamicInputs type from Record<string, string> to Record<string, string | string[]> across:
   • Store interface
   • Provider types
   • API route
3. Validation: Added guards for array handling in prompt validation
4. Tests: 4 comprehensive regression tests covering various multi-image scenarios

This fix enables users to properly use models that accept arrays of images (e.g., image stitching, multi-image conditioning).

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Project	Deployment	Actions	Updated (UTC)
node-banana-docs	Ready	Preview, Comment	Jan 30, 2026 9:13am

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