docs: update CHANGELOG.md [skip ci]

Author: github-actions[bot]

CHANGELOG.md

@@ -66,6 +66,7 @@
 * **pagination:** standardize utils in comments, posts, users services ([e255ecf](https://github.com/MyFanss/MyFans/commit/e255ecf1df1101c6c050cdb8cdcf29759b895733)), closes [#364](https://github.com/MyFanss/MyFans/issues/364)
 * **reconciler:** narrow action type to satisfy applyRepair parameter ([b7aa3f6](https://github.com/MyFanss/MyFans/commit/b7aa3f6a2fe660a14792cf3b3a22f1b8bc9de8f9))
 * remove duplicate keys and missing comma in package.json ([6e9186f](https://github.com/MyFanss/MyFans/commit/6e9186f973cd3020ce35fcc91502337a98410319))
+* remove duplicate metadata on [username] route ([#703](https://github.com/MyFanss/MyFans/issues/703)) ([6b9b45f](https://github.com/MyFanss/MyFans/commit/6b9b45f8fc005b3e5a938603d42a9b9da58a3ca9))
 * remove duplicate use client and fix useImageUpload import ([303571a](https://github.com/MyFanss/MyFans/commit/303571ab08c73d7b6905667f99212f2b263e34cd))
 * resolve all CI failures ([e536b54](https://github.com/MyFanss/MyFans/commit/e536b54cd951adf7897e392fcbfdd2037d7d662d))
 * resolve backend build errors and failing creator service tests ([1ecc59d](https://github.com/MyFanss/MyFans/commit/1ecc59de02e20597da50ffe677cf089692586751))
@@ -204,6 +205,7 @@
 * **frontend:** creator onboarding — skip/resume, progress, tests ([7ee6e00](https://github.com/MyFanss/MyFans/commit/7ee6e00a441b7f154fd21fe0834d857db71c1729))
 * **frontend:** fan onboarding quickstart with wallet and first sub flow ([a87a4ad](https://github.com/MyFanss/MyFans/commit/a87a4add391f154734428bbcc76b2df1ebe4bb26))
 * **frontend:** fix appearance.test.tsx and add theme e2e tests ([2f01f0f](https://github.com/MyFanss/MyFans/commit/2f01f0f3153f1eee6459df63b3af8b631eaef802)), closes [#24](https://github.com/MyFanss/MyFans/issues/24)
+* **frontend:** show offline banner when RPC or network is unavailable ([7547dd9](https://github.com/MyFanss/MyFans/commit/7547dd95ad7b824d9d81ee99502056ad16a18cdc))
 * **frontend:** standardize error copy with actionable recovery steps ([02f3d52](https://github.com/MyFanss/MyFans/commit/02f3d525e1fc8f514e92c780299c1916c03b5694))
 * harden backend secret management ([#350](https://github.com/MyFanss/MyFans/issues/350)) ([2022919](https://github.com/MyFanss/MyFans/commit/2022919c83aad39d50fccb3b9401bd1c4ab7f495))
 * **idempotency:** document TTL & harden collision behavior ([40e1224](https://github.com/MyFanss/MyFans/commit/40e1224db6219c7d24193eb04cba23208d7c5124))