feat: workspace system prompt CRUD

[alex-mcgovern]

Wires up the API functionality for reading & updating the system prompt from the /workspaces/:name route.

[coveralls]

Pull Request Test Coverage Report for Build 12888539584

Details

• 44 of 53 (83.02%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.6%) to 69.586%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/api/generated/sdk.gen.ts	5	6	83.33%
src/features/workspace-system-prompt/components/system-prompt-editor.tsx	24	27	88.89%
src/api/generated/@tanstack/react-query.gen.ts	11	16	68.75%

Totals
Change from base Build 12888517063:	0.6%
Covered Lines:	575
Relevant Lines:	735

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💛 - Coveralls