Ishaan Jaffer 8fcda9083f fix(tag_regex): address backwards-compat, metadata overwrite, and warning noise ... Three issues from code review: 1. Backwards-compat: `has_tag_filter` was widened to activate on any non-empty User-Agent, which would raise ValueError for existing deployments using plain tags without a `default` fallback. Fix: only activate header-based regex filtering when at least one candidate deployment has `tag_regex` configured. 2. Metadata overwrite: `metadata["tag_routing"]` was overwritten for every matching deployment in the loop, leaving inaccurate provenance when multiple deployments match. Fix: write only for the first match. 3. Warning noise: an invalid regex pattern logged one warning per header string rather than once per pattern. Fix: compile first (catching re.error once), then iterate over header strings. Also adds two new tests covering these cases, and adds docs page for tag_regex routing with a Claude Code walk-through.		2026-03-13 17:55:47 -07:00
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my-website	fix(tag_regex): address backwards-compat, metadata overwrite, and warning noise	2026-03-13 17:55:47 -07:00