Prep 0.2.0 release: document snippets, bump version, fix CI runners

[saramaebee]

Summary

Snippet support already merged to main in #30, but the docs, the version number, and a broken CI runner config were never updated. This makes main release-ready for v0.2.0 and unblocks the hanging PR check.

Docs

• README.md: new Snippets CLI section (list snippets / snippet-paths / snippet-locations --with-lines, get snippet / snippet-match); MCP Available Tools table (snippet on list, the snippet_match tool, note that snippets are list/drill-in only); Snippet locator.
• CLAUDE.md: ERD (Revision → Snippet → SnippetMatch), architecture tree, the four snippet endpoints, the Snippet model entry with its API quirks (string id, matchPercentage 0–100 vs 0–1, trailing-blank-EOF off-by-one), and Future Work.

Version

0.1.0 → 0.2.0 (Cargo.toml + Cargo.lock).

CI runner fix

The Release workflow pinned ubuntu-20.04 (4 jobs) and, via dist plan, windows-2019 — both retired by GitHub. Jobs requesting them queue until the 24h timeout, so the PR plan check sat pending indefinitely (visible on #30 and #31, both ran 24h → cancelled). Fix pins supported images through [workspace.metadata.dist.github-custom-runners] (ubuntu-22.04 / macos-13 / macos-14 / windows-2022) and regenerates release.yml.

Test plan

• cargo build succeeds.
• dist generate --check clean (workflow matches config).
• dist plan assigns only GitHub-hosted runners (no ubuntu-20.04 / windows-2019).
• Every documented CLI command token verified against the clap variants in src/cli/mod.rs.
• This PR's own plan check exercises the fix (head-branch workflow), so it should go green instead of hanging.

After merge

Tag v0.2.0 on main to trigger the cargo-dist release (builds binaries + installers, publishes the GitHub Release).

🤖 Generated with Claude Code

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

Walkthrough

This PR documents snippet matching functionality across the FOSSA API client and updates release infrastructure. The changes add an ER diagram and API endpoint documentation for querying snippets and their matches, introduce CLI and MCP usage guidance for end users, bump the crate version to 0.2.0, configure cargo-dist to use standardized GitHub-hosted runners per platform, and update the release workflow to use Ubuntu 22.04 instead of Ubuntu 20.04 for primary build jobs.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the three main changes: documentation for snippets, version bump to 0.2.0, and CI runner fixes.
Description check	✅ Passed	The description is comprehensive and directly related to the changeset, covering all modifications across documentation, version bumps, and CI configuration.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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