Release Helper Tools 0.1.0

CHANGELOG.md

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+# Changelog
+
+All notable changes are documented here.
+
+## Unreleased
+
+## 0.1.0 - 2026-09-01
+
+- Added a deep-linkable local browser workbench for encodings, text and
+  Unicode, number bases and units, networks, time, structured data, checksums,
+  cryptographic digests, and random values.
+- Added the side-effect-free `@add-ideas/toolbox-helpers` ESM package with
+  generated TypeScript declarations and a single stable root export.
+- Added explicit input, item, nesting and output limits with typed limit errors.
+- Added strict IPv4, IPv6 and CIDR handling, hardened JSON/CSV processing,
+  canonical encodings, deterministic JSON and seeded random primitives.
+- Hardened canonical Base64URL padding, large-output encoding, negative
+  human-duration round trips, finite unit conversion and portable filenames.
+- Added the Toolbox 0.2.3 shell, system/light/dark themes, offline shell,
+  nested-path browser tests, licence/source documentation, and deterministic
+  application and library artifacts.