feat(browser): Implement fallback SHA256 for non-HTTPS environments and enhance browser tests for consistent hashing

changelog.md

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+# Changelog
+
+## 2025-06-19 - 3.1.0 - feat(browser)
+Implement fallback SHA256 for non-HTTPS environments and enhance browser tests for consistent hashing
+
+- Added a pure JavaScript SHA256 fallback in ts_web/sha256.fallback.ts for environments without crypto.subtle
+- Updated ts_web/index.ts to use the fallback when necessary
+- Enhanced browser tests in test/test.browser.ts to verify consistent hash outputs
+- Reflected new features in documentation updates (readme.plan.md)
+
+## 2025-06-19 - 3.0.4 - feat  
+Merge isohash functionality into smarthash to enable cross‐environment hash support. This release introduces browser‐compatible SHA256 functions via the Web Crypto API and plugins for environment detection and JSON handling.
+
+- Added new plan and implementation steps to merge isohash into smarthash.
+- Updated test files to use the new tapbundle import.
+- Implemented browser‐specific hashing functions in ts_web/index.ts and ts_web/plugins.ts.
+- Created browser tests in test/test.browser.ts for SHA256 functions.
+- Ensured consistent smarthash functionality across environments.
+
+Note: Several non–breaking maintenance updates (e.g. description, tsconfig, and npmextra.json adjustments) were applied between 2024 and 2023 alongside version marker commits.
+
+---
+
+## 2023-09-22 to 2022-06-26 - 3.0.0 - Maintenance  
+Between versions 3.0.3 and 3.0.0, a series of core fixes and organizational improvements were rolled out.
+
+- Multiple “fix(core)” commits addressed various update needs.
+- A couple of releases also switched to a new organization scheme.
+- Routine maintenance commits ensured stability across these versions.
+
+---
+
+## 2022-06-26 - 2.1.10 - BREAKING CHANGE  
+A major change was introduced by switching the module system.
+
+- BREAKING CHANGE(core): Switched to ESM, requiring consumers to update their imports accordingly.
+
+---
+
+## 2021-03-01 to 2019-11-21 - 2.1.0 - Maintenance  
+Across versions 2.1.9 down to 2.1.0, the project received multiple fixes and CI updates.
+
+- Repeated “fix(core)” commits improved internal stability.
+- A “fix(ci)” update was also introduced to streamline continuous integration processes.
+
+---
+
+## 2019-11-21 - 2.0.6 - feat  
+New functionality was added to expand the available hashing algorithms.
+
+- feat(md5): Now creates MD5 hashes, broadening the project’s cryptographic capabilities.
+
+---
+
+## 2019-07-04 to 2018-09-07 - 2.0.0 - Maintenance  
+This range of releases was dedicated to refining core functionality and enhancing security.
+
+- Numerous “fix(core)” commits ensured consistent behavior.
+- A “fix(snyk)” commit added a .snyk file and marked the project as Open Source for improved security auditing.
+
+---
+
+## 2018-09-07 - 1.0.4 - BREAKING CHANGE  
+A breaking change was introduced by renaming the package scope.
+
+- BREAKING CHANGE(scope): Changed the package name to @pushrocks/smarthash, requiring updates for consumers referencing the old name.
+
+---
+
+## 2016-08-16 to 2016-05-23 - 1.0.0 - Initial Setup  
+During the early days of the project, core implementation and structure were established.
+
+- Early commits included the initial implementation (“implementation is ready”), package metadata adjustments (e.g. “update package tags”, “fix README”), and structural additions (“add structure”).
+- The journey began with the Initial commit on 2016-05-23, setting the groundwork for future development.