feat(database,webapp): add LlmModel pricing_unit column and admin selector #6819

Job	Run time
Detect changes	6s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 4s
typecheck / typecheck	6m 39s
internal / 🧪 Unit Tests: Internal (4, 8)	5m 36s
internal / 🧪 Unit Tests: Internal (1, 8)	6m 46s
internal / 🧪 Unit Tests: Internal (6, 8)	5m 10s
internal / 🧪 Unit Tests: Internal (3, 8)	8m 34s
webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 10s
webapp / 🧪 Unit Tests: Webapp (1, 8)	6m 29s
webapp / 🧪 Unit Tests: Webapp (4, 8)	8m 2s
internal / 🧪 Unit Tests: Internal (5, 8)	5m 31s
internal / 🧪 Unit Tests: Internal (2, 8)	12m 49s
webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 31s
internal / 🧪 Unit Tests: Internal (7, 8)	6m 7s
webapp / 🧪 Unit Tests: Webapp (6, 8)	3m 58s
internal / 🧪 Unit Tests: Internal (8, 8)	6m 51s
webapp / 🧪 Unit Tests: Webapp (5, 8)	5m 11s
sdk-compat	0s
webapp / 🧪 Unit Tests: Webapp (7, 8)	8m 23s
packages	0s
webapp / 🧪 Unit Tests: Webapp (8, 8)	7m 0s
e2e	0s
webapp / 📊 Merge Reports	1m 4s
internal / 📊 Merge Reports	28s
All PR Checks	3s
	1h 55m 32s

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