feat: add fallback version support for share filtering

[ScriptedAlchemy]

Summary

• Add fallbackVersion field to include/exclude filters in ConsumeSharedPlugin and ProvideSharedPlugin
• Implement fallback version checking logic that activates when primary version detection fails
• Add comprehensive unit and integration tests for fallback version functionality

Changes

• Updated JSON schemas to include fallbackVersion field in include/exclude options
• Added fallbackVersion logic to ConsumeSharedPlugin.ts and ProvideSharedPlugin.ts
• Created unit tests covering various fallback version scenarios
• Added integration test with mock node_modules structure
• Updated PR plan to clarify share-filter as the base branch for all PRs

Test plan

• Unit tests pass for fallback version functionality
• Integration tests verify webpack builds correctly with fallback version config
• Schema regeneration completes successfully
• Manual testing with real module federation setup

🤖 Generated with Claude Code

[changeset-bot]

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Latest commit: 696aae5

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