fix: configure duplicate code detector for Azure Foundry

[KRRT7]

Summary

• Add Foundry env vars (ANTHROPIC_FOUNDRY_API_KEY, ANTHROPIC_FOUNDRY_BASE_URL) so the workflow authenticates via Azure Foundry
• Add new-branch-from-main rule to git guidelines

[claude]

PR Review Summary

Prek Checks

✅ Passed — No Python files changed in this PR. Prek ran and reported (no files to check) Skipped for both ruff check and ruff format.

Mypy Checks

✅ N/A — No Python files changed; mypy has nothing to check.

Code Review

✅ No issues found. This PR makes three small, well-scoped changes:

File	Change
.claude/rules/git.md	Adds new-branch-from-main rule to git guidelines
.github/workflows/duplicate-code-detector.md	Adds ANTHROPIC_FOUNDRY_API_KEY and ANTHROPIC_FOUNDRY_BASE_URL env vars (referencing secrets, not hardcoded)
.github/workflows/duplicate-code-detector.lock.yml	Compiled workflow with same env vars added + updated frontmatter hash

• No security concerns — secrets are properly referenced via ${{ secrets.* }}
• No breaking API changes
• No logic or runtime behavior affected

Test Coverage

✅ N/A — No Python source files changed. No coverage impact.

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Last updated: 2026-02-14