Root AGENTS.md states: 'New AGENTS.md: add sibling CLAUDE.md symlink.'
src/infra/outbound/ had the guide but not the sibling symlink. Every
other scoped AGENTS.md in the repo already has one; this closes the
only real gap (the one remaining hit is an intentional test fixture in
extensions/oc-path/src/oc-path/tests/fixtures/real/).
Also adds CLAUDE.md to .semgrepignore so opengrep's PR-diff scan stops
trying to open the symlink as a regular file. Scanning the symlink is
redundant with scanning the underlying AGENTS.md.
* fix(failover): improve internal server error classification
* fix: cover bare internal server status
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Co-authored-by: Altay <altay@uinaf.dev>