fix(sdk,core): cache realtime-stream credentials per slot with refresh on writer failure #6243

Job	Run time
Detect changes	4s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 45s
packages / 🧪 Unit Tests: Packages (1, 1)	10m 1s
sdk-compat / Bun Runtime	2m 22s
sdk-compat / Deno Runtime	2m 5s
sdk-compat / Cloudflare Workers	2m 23s
typecheck / typecheck	7m 18s
sdk-compat / Node.js 20.20 (ubuntu-latest)	2m 26s
internal / 🧪 Unit Tests: Internal (4, 8)	6m 47s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 57s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 11s
internal / 🧪 Unit Tests: Internal (8, 8)	3m 10s
webapp / 🧪 Unit Tests: Webapp (4, 8)	6m 37s
internal / 🧪 Unit Tests: Internal (2, 8)	13m 0s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 0s
internal / 🧪 Unit Tests: Internal (5, 8)	5m 49s
webapp / 🧪 Unit Tests: Webapp (5, 8)	5m 55s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	3m 51s
webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 59s
internal / 🧪 Unit Tests: Internal (3, 8)	8m 59s
internal / 🧪 Unit Tests: Internal (6, 8)	6m 18s
webapp / 🧪 Unit Tests: Webapp (3, 8)	4m 15s
webapp / 🧪 Unit Tests: Webapp (7, 8)	6m 40s
webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 48s
internal / 🧪 Unit Tests: Internal (1, 8)	6m 58s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 8s
internal / 🧪 Unit Tests: Internal (7, 8)	7m 7s
webapp / 🧪 Unit Tests: Webapp (1, 8)	7m 52s
webapp / 🧪 Unit Tests: Webapp (6, 8)	9m 8s
webapp / 📊 Merge Reports	51s
packages / 📊 Merge Reports	23s
internal / 📊 Merge Reports	26s
All PR Checks	3s
	2h 31m 36s

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