feat(sdk): functional baseURL and fetch override on chat transports #6242

Job	Run time
Detect changes	3s
typecheck / typecheck	7m 10s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	5m 38s
sdk-compat / Cloudflare Workers	2m 18s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 0s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 50s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 27s
sdk-compat / Bun Runtime	2m 12s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 1s
sdk-compat / Deno Runtime	2m 25s
webapp / 🧪 Unit Tests: Webapp (6, 8)	9m 11s
webapp / 🧪 Unit Tests: Webapp (3, 8)	4m 23s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 8s
webapp / 🧪 Unit Tests: Webapp (4, 8)	7m 13s
sdk-compat / Node.js 20.20 (ubuntu-latest)	2m 9s
webapp / 🧪 Unit Tests: Webapp (7, 8)	7m 5s
webapp / 🧪 Unit Tests: Webapp (8, 8)	3m 20s
internal / 🧪 Unit Tests: Internal (4, 8)	6m 57s
internal / 🧪 Unit Tests: Internal (1, 8)	7m 12s
packages / 🧪 Unit Tests: Packages (1, 1)	10m 29s
webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 19s
internal / 🧪 Unit Tests: Internal (2, 8)	13m 45s
internal / 🧪 Unit Tests: Internal (3, 8)	8m 55s
internal / 🧪 Unit Tests: Internal (6, 8)	6m 8s
webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 47s
webapp / 🧪 Unit Tests: Webapp (5, 8)	5m 34s
internal / 🧪 Unit Tests: Internal (5, 8)	6m 17s
internal / 🧪 Unit Tests: Internal (7, 8)	6m 56s
internal / 🧪 Unit Tests: Internal (8, 8)	2m 58s
webapp / 📊 Merge Reports	53s
packages / 📊 Merge Reports	28s
internal / 📊 Merge Reports	23s
All PR Checks	3s
	2h 33m 37s

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