feat: manage project versions v2 (#5049)

* update add files copy and go to next step on just one file

* rename and reorder stages

* add metadata stage and update details stage

* implement files inside metadata stage

* use regular prettier instead of prettier eslint

* remove changelog stage config

* save button on details stage

* update edit buttons in versions table

* add collapse environment selector

* implement dependencies list in metadata step

* move dependencies into provider

* add suggested dependencies to metadata stage

* pnpm prepr

* fix unused var

* Revert "add collapse environment selector"

This reverts commit f90fabc7a57ff201f26e1b628eeced8e6ef75865.

* hide resource pack loader only when its the only loader

* fix no dependencies for modpack

* add breadcrumbs with hide breadcrumb option

* wider stages

* add proper horizonal scroll breadcrumbs

* fix titles

* handle save version in version page

* remove box shadow

* add notification provider to storybook

* add drop area for versions to drop file right into page

* fix mobile versions table buttons overflowing

* pnpm prepr

* fix drop file opening modal in wrong stage

* implement invalid file for dropping files

* allow horizontal scroll on breadcrumbs

* update infer.js as best as possible

* add create version button uploading version state

* add extractVersionFromFilename for resource pack and datapack

* allow jars for datapack project

* detect multiple loaders when possible

* iris means compatible with optifine too

* infer environment on loader change as well

* add tooltip

* prevent navigate forward when cannot go to next step

* larger breadcrumb click targets

* hide loaders and mc versions stage until files added

* fix max width in header

* fix add files from metadata step jumping steps

* define width in NewModal instead

* disable remove dependency in metadata stage

* switch metadata and details buttons positions

* fix remove button spacing

* do not allow duplicate suggested dependencies

* fix version detection for fabric minecraft version semvar

* better verion number detection based on filename

* show resource pack loader but uneditable

* remove vanilla shader detection

* refactor: break up large infer.js into ts and modules

* remove duplicated types

* add fill missing from file name step

* pnpm prepr

* fix neoforge loader parse failing and not adding neoforge loader

* add missing pack formats

* handle new pack format

* pnpm prepr

* add another regex where it is version in anywhere in filename

* only show resource pack or data pack options for filetype on datapack project

* add redundant zip folder check

* reject RP and DP if has redundant folder

* fix hide stage in breadcrumb

* add snapshot group key in case no release version. brings out 26.1 snapshots

* pnpm prepr

* open in group if has something selected

* fix resource pack loader uneditable if accidentally selected on different project type

* add new environment tags

* add unknown and not applicable environment tags

* pnpm prepr

* use shared constant on labels

* use ref for timeout

* remove console logs

* remove box shadow only for cm-content

* feat: xhr upload + fix wrangler prettierignore

* fix: upload content type fix

* fix dependencies version width

* fix already added dependencies logic

* add changelog minheight

* set progress percentage on button

* add legacy fabric detection logic

* lint

* small update on create version button label

---------

Co-authored-by: Calum H. (IMB11) <contact@cal.engineer>
Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

packages/api-client/src/platform/xhr-upload-client.ts

@@ -27,12 +27,22 @@ export abstract class XHRUploadClient extends AbstractModrinthClient {
 
 		const url = this.buildUrl(path, baseUrl, options.version)
 
+		// For FormData uploads, don't set Content-Type (let browser set multipart boundary)
+		// For file uploads, use application/octet-stream
+		const isFormData = 'formData' in options && options.formData instanceof FormData
+		const baseHeaders = this.buildDefaultHeaders()
+		// Remove Content-Type for FormData so browser can set multipart/form-data with boundary
+		if (isFormData) {
+			delete baseHeaders['Content-Type']
+		} else {
+			baseHeaders['Content-Type'] = 'application/octet-stream'
+		}
+
 		const mergedOptions: UploadRequestOptions = {
 			retry: false, // default: don't retry uploads
 			...options,
 			headers: {
-				...this.buildDefaultHeaders(),
-				'Content-Type': 'application/octet-stream',
+				...baseHeaders,
 				...options.headers,
 			},
 		}
@@ -121,7 +131,9 @@ export abstract class XHRUploadClient extends AbstractModrinthClient {
 				xhr.setRequestHeader(key, value)
 			}
 
-			xhr.send(metadata.file)
+			// Send either FormData or file depending on what was provided
+			const data = 'formData' in metadata ? metadata.formData : metadata.file
+			xhr.send(data)
 			abortController.signal.addEventListener('abort', () => xhr.abort())
 		})
 	}