feat: use clientLoader + localStorage for resizable panel persistence #5378

Job	Run time
typecheck / typecheck	36s
sdk-compat / Deno Runtime	42s
sdk-compat / Cloudflare Workers	39s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	21s
sdk-compat / Bun Runtime	36s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	1m 2s
sdk-compat / Node.js 22.12 (ubuntu-latest)	34s
sdk-compat / Node.js 20.20 (ubuntu-latest)	38s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	24s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	46s
units / packages / 🧪 Unit Tests: Packages (1, 1)	57s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	1m 5s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	1m 56s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	1m 13s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	1m 3s
units / internal / 🧪 Unit Tests: Internal (7, 8)	1m 5s
units / internal / 🧪 Unit Tests: Internal (8, 8)	59s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	1m 5s
units / internal / 🧪 Unit Tests: Internal (5, 8)	1m 1s
units / internal / 🧪 Unit Tests: Internal (6, 8)	1m 4s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	1m 6s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	1m 3s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	1m 9s
units / internal / 🧪 Unit Tests: Internal (3, 8)	1m 4s
units / internal / 🧪 Unit Tests: Internal (4, 8)	1m 2s
units / internal / 🧪 Unit Tests: Internal (1, 8)	1m 1s
units / internal / 🧪 Unit Tests: Internal (2, 8)	1m 4s
units / packages / 📊 Merge Reports	27s
units / internal / 📊 Merge Reports	24s
units / webapp / 📊 Merge Reports	26s
	26m 32s

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