- 12 Tier 1 providers now carry success_codes, failure_codes, rate_limit_codes - {{KEY}} template in headers or URL (double-brace canonical form) - metadata_paths added where provider APIs return useful metadata - Anthropic switched to POST /v1/messages with minimal body - Perplexity gains JSON body, content-type header - Inflection verify URL left empty (no public endpoint) - Dual-location sync preserved: providers/ mirrors pkg/providers/definitions/
- 3 Tier 1 low-confidence providers with keyword anchoring - Dual-located in providers/ and pkg/providers/definitions/ - Tier 1 total now at 12/12 providers
