feat: Refactor subscription streaming and plumb through anthropic support #10445

Job	Run time
Filter Changes	5s
Ruff (3.12, ubuntu-latest)	8s
Build GraphQL Schema (3.12, ubuntu-latest)	28s
Compile Protobuf	0s
Clean Jupyter notebooks	0s
Build OpenAPI Schema (3.12, ubuntu-latest)	21s
Integration Tests (3.9, sqlite, ubuntu-latest)	1m 1s
Phoenix Evals	0s
Phoenix OTel	0s
Type Check (3.9, ubuntu-latest)	58s
Integration Tests (3.9, sqlite, windows-latest)	1m 9s
Type Check (3.12, ubuntu-latest)	1m 11s
Integration Tests (3.9, sqlite, macos-13)	1m 53s
Type Check Integration Tests (3.9, ubuntu-latest)	39s
Unit Tests (3.9, ubuntu-latest)	3m 6s
Integration Tests (3.9, postgresql, ubuntu-latest)	1m 20s
Type Check Integration Tests (3.12, ubuntu-latest)	42s
Unit Tests (3.9, windows-latest)	2m 56s
Integration Tests (3.12, sqlite, ubuntu-latest)	55s
Unit Tests (3.9, macos-13)	3m 28s
Integration Tests (3.12, sqlite, windows-latest)	2m 38s
Unit Tests (3.12, ubuntu-latest)	3m 19s
Integration Tests (3.12, sqlite, macos-13)	2m 12s
Unit Tests (3.12, windows-latest)	3m 9s
Integration Tests (3.12, postgresql, ubuntu-latest)	1m 28s
Unit Tests (3.12, macos-13)	3m 14s
	36m 20s

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