chore(master): release synapse-core 0.9.0

[FilOzzy]

📦 Release Preparation

0.9.0 (2026-09-02)

⚠ BREAKING CHANGES

• correct storage cost and fee calculations (#946)
• remove piece metadata getters (#936)

Features

• compact empty piece metadata in add-pieces calldata (#953) (e570649)
• correct storage cost and fee calculations (#946) (2be8ee5)
• remove piece metadata getters (#936) (8e0ee82)
• synapse-core: add piece batcher with message-size addPieces limiter (c63520a)
• synapse-sdk: batch storage uploads by default (#935) (1af645a)

Bug Fixes

• synapse-core: delay batch flush until parking settles (08bcc60)
• synapse-core: sign new dataset pulls correctly (#955) (b0cf4a7)

Chores

• commit lockfile and update package dependencies (#947) (26bccbb)
• synapse-core: update FWSS StateView addresses (#952) (f41666e)

---

🚀 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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npm i https://pkg.pr.new/@filoz/synapse-sdk@941

commit: e66c35d

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	synapse-dev	e66c35d	Commit Preview URL Branch Preview URL	Sep 02 2026, 03:23 PM