feat(fetchers): add GitHubCodeFetcher for source file fetching#62
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feat(fetchers): add GitHubCodeFetcher for source file fetching#62
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Closes #51 — Adds a dedicated fetcher for GitHub blob URLs that returns raw source file content with language metadata via the GitHub API. Matches github.com/{owner}/{repo}/blob/{ref}/{path}. Returns file content in a fenced code block with language detection, plus metadata (repo, ref, size, language). Handles binary files gracefully (metadata only).
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What
Adds a dedicated
GitHubCodeFetcherthat matchesgithub.com/{owner}/{repo}/blob/{ref}/{path}URLs, returning raw source file content with language metadata via the GitHub API.Closes #51
Why
Agents frequently need to read source files from GitHub without cloning entire repositories. The DefaultFetcher returns the GitHub UI HTML with line numbers, blame controls, and other noise. This fetcher returns clean source code.
How
GitHubCodeFetcherfollowing existing fetcher patterns/repos/{owner}/{repo}/contents/{path}?ref={ref}"github_file"GitHubIssueFetcher(most specific GitHub URL pattern)Risk
Checklist
-D warnings)