OSS-first docs

These docs teach the open system first: contracts, generated surfaces, runtimes, governance, and incremental adoption. Studio shows up as the operating layer on top, not as the source of truth.

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file.presignedUrl.create

Create a presigned URL for direct upload.

  • Type: operation (command)
  • Version: 1.0.0
  • Stability: stable
  • Owners: platform.files
  • Tags: files, presigned, upload
  • File: packages/libs/files/src/contracts/index.ts
    • field.key.label
    file.presignedUrl.create
    field.version.label
    1.0.0
    field.type.label
    operation (command)
    field.title.label
    file.presignedUrl.create
    field.description.label

    Create a presigned URL for direct upload.

  • Type: operation (command)
  • Version: 1.0.0
  • Stability: stable
  • Owners: platform.files
  • Tags: files, presigned, upload
  • File: packages/libs/files/src/contracts/index.ts
    • field.tags.label
    files,presigned,upload
    field.owners.label
    platform.files
    field.stability.label
    stable

    Create a presigned URL for direct upload.

    Goal

    Enable direct-to-storage uploads.

    Context

    Called for large file uploads.

    Source Definition

    import { defineCommand, defineQuery } from '@lssm-tech/lib.contracts-spec';
import { defineSchemaModel, ScalarTypeEnum } from '@lssm-tech/lib.schema';

export const CreatePresignedUrlContract = defineCommand({
	meta: {
		key: 'file.presignedUrl.create',
		version: '1.0.0',
		stability: 'stable',
		owners: ['platform.files'],
		tags: ['files', 'presigned', 'upload'],
		description: 'Create a presigned URL for direct upload.',
		goal: 'Enable direct-to-storage uploads.',
		context: 'Called for large file uploads.',
	},
	io: {
		input: CreatePresignedUrlInput,
		output: PresignedUrlModel,
		errors: {
			FILE_TOO_LARGE: {
				description: 'File exceeds size limit',
				http: 413,
				gqlCode: 'FILE_TOO_LARGE',
				when: 'Requested file size exceeds limit',
			},
			INVALID_MIME_TYPE: {
				description: 'MIME type not allowed',
				http: 415,
				gqlCode: 'INVALID_MIME_TYPE',
				when: 'File type is not in allowed list',
			},
		},
	},
	policy: {
		auth: 'user',
	},
});