chore(master): release synapse-core 0.2.2

[github-actions]

📦 Release Preparation

0.2.2 (2026-02-26)

Features

• storage: extract provider selection to synapse-core and update docs for multi-copy (ae0eea9)
• synapse-core: add SP-to-SP piece pull functionality (#544) (afe0ae0)

Chores

• master: release synapse-core 0.2.2 (92fd0cb)
• master: release synapse-sdk 0.37.2 (c4396e1)

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🚀 How to Release

1. Review the changelog and version bump in this PR
2. Merge this PR to trigger the release
3. After merging, the workflow will:
   • Create a GitHub release with tag ${version}
   • Publish to npm automatically
4. Wait until the workflow is complete before merging another release PR

⚠️ Note: The release has NOT been created yet. It will only be created after you merge this PR.

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	synapse-dev	6561abf	Commit Preview URL Branch Preview URL	Feb 26 2026, 10:28 PM

[github-actions]

🤖 Created releases:

• synapse-core-v0.2.2

🌻