chore: release v1.0.0

CHANGELOG.md

@@ -5,6 +5,23 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0] - 2026-01-14
+
+### Added
+
+- UI error banner for failed uploads, including retry timing.
+- `retry_after_seconds` in the upload error response to inform clients when to retry.
+- Server-side duration clamping for uploads (1-60 minutes).
+
+### Changed
+
+- Upload throttling now tracks active assets per user using asset expiration times.
+- Upload error responses are consistently JSON.
+
+### Removed
+
+- `Retry-After` response header on upload limit errors.
+
 ## [0.3.0] - 2026-01-13
 
 ### Added