fix: resolve visualizer static files missing from PyPI package

- Add package data configuration to include visualizer/static/* files
- Fix RuntimeError: Directory 'static' does not exist when running 'chunklet visualize'
- Update version to 2.1.1 for critical bug fix release
- Add changelog and documentation entries for the fix

Author: speedyk-005

CHANGELOG.md

@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ---
 
+## [2.1.1] - 2025-12-20
+
+### Fixed
+- **Visualizer Static Files:** Fixed critical issue where the Chunk Visualizer static files (CSS, JS, HTML) were not being included in the PyPI package distribution, causing `RuntimeError: Directory does not exist` when running `chunklet visualize`. Added proper package data configuration to include `visualizer/static/*` files in the distribution.
+
+---
+
 ## [2.1.0] - 2025-12-19
 
 ### Added

docs/whats-new.md

@@ -1,6 +1,14 @@
 !!! info "What's on This Page"
     This page highlights the **big features and major changes** for each version. For all the nitty-gritty details, bug fixes, and technical improvements, check out our [full changelog](https://github.com/speedyk-005/chunklet-py/blob/main/CHANGELOG.md).
 
+## What's New in Chunklet v2.1.1! 🐛
+
+### 🐛 Critical Bug Fix in v2.1.1
+
+*   **Visualizer Static Files Issue:** 🚨 **CRITICAL** - Fixed a breaking bug where the Chunk Visualizer static files (CSS, JS, HTML) were missing from the PyPI package distribution. This caused `RuntimeError: Directory does not exist` when running `chunklet visualize`. The visualizer now works correctly after installation!
+
+---
+
 ## What's New in Chunklet v2.1.0! 🎉
 
 ### ✨ Major Features in v2.1.0

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "chunklet-py"
-version = "2.1.0"
+version = "2.1.1"
 description = "Advanced text, code, and document chunking for LLM applications. Split content semantically, visualize chunks interactively, and process multiple file formats with flexible, context-aware segmentation."
 authors = [
   { name = "speedyk_005", email = "[email protected]" }
@@ -132,6 +132,10 @@ packages = [
     "chunklet.sentence_splitter",
     "chunklet.visualizer",
 ]
+include-package-data = true
+
+[tool.setuptools.package-data]
+chunklet = ["visualizer/static/*", "visualizer/static/**/*"]
 
 [tool.pytest.ini_options]
 minversion = "7.4"

src/chunklet/__init__.py

@@ -24,7 +24,7 @@
     CallbackError,
 )
 
-__version__ = "2.1.0"
+__version__ = "2.1.1"
 
 __all__ = [
     "ChunkletError",