Feature/haskell support

[runonthespot]

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[Copilot]

Pull Request Overview

This PR adds Haskell support to the semantic search tool by introducing Haskell language detection, tree-sitter parsing for chunking Haskell code, and associated test fixtures for validation.

• Added Haskell file extension recognition (.hs, .lhs) throughout the codebase
• Implemented tree-sitter based chunking for Haskell code structures
• Created test fixtures with sample Haskell, Python, Rust, and text files

Reviewed Changes

Copilot reviewed 17 out of 18 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
ck-index/src/lib.rs	Added extensive debug output and reformatted code with minor style improvements
ck-engine/test_fixtures/.	Added test fixture files for various languages including Haskell
ck-engine/src/semantic_v3.rs	Code formatting improvements and use of let-chains
ck-engine/src/lib.rs	Added Haskell language detection and formatting improvements
ck-embed/src/lib.rs	Code formatting and style improvements
ck-core/src/lib.rs	Minor import reordering
ck-cli/tests/integration_tests.rs	Updated tests to use fixture files instead of creating temporary files
ck-cli/src/progress.rs	Code formatting improvements
ck-cli/src/main.rs	Code formatting and style improvements
ck-chunk/src/lib.rs	Added Haskell chunking support with tree-sitter parsing
ck-ann/src/lib.rs	Code formatting improvements
.github/workflows/*.yml	Added CI and release workflows

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