Update dependency file_saver to ^0.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
file_saver (source)	dependencies	minor	^0.4.0 → ^0.6.0

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Release Notes

incrediblezayed/file_saver (file_saver)

v0.6.0

Compare Source

• Added saveToDownloads for writing into the shared Downloads folder without a dialog, with an optional subfolder. Android uses MediaStore (no permission on Android 10+); macOS, Windows and Linux write to the user's Downloads directory; web triggers a browser download; iOS throws UnsupportedError.
  • Fixes #​108 and the "save into Download/<folder>" half of #​47.
• Desktop saves now honour a sourcePath, so saveToDownloads(filePath:) copies without loading the file into memory.

v0.5.0

Compare Source

• Breaking: replaced the dio dependency with package:http.
  • dioClient is now httpClient (http.Client?) on saveFile, saveAs and saveLinkAsStream.
  • transformDioResponse is removed; responses are always bytes. Fetch and transform yourself, then pass bytes:.
  • LinkDetails.responseType is removed. LinkDetails.uri exposes the link with queryParameters merged.
  • HTTP 4xx/5xx responses now throw http.ClientException instead of writing the error body to disk.
  • Fixes #​102.
• macOS: sandbox failures now say which entitlement is missing — com.apple.security.files.downloads.read-write when the Downloads write fails, com.apple.security.network.client when the download fails.
  • Fixes #​143.
• Migrated Android to built-in Kotlin / AGP 9 compatibility. Requires Flutter 3.44+.
  • Fixes #​145, #​148.
• Added initialDirectory to saveAs, saveAsStream and saveLinkAsStream so the save dialog can open in a chosen folder (macOS, Windows, iOS, Android).
  • Fixes #​134, #​147.
• Added saveToGallery for saving images and videos to the photo library — MediaStore on Android, Photos on iOS — with an optional album.
  • Fixes #​64.
• Added dialogTitle to saveAs, saveAsStream and saveLinkAsStream (macOS, Windows).
  • Fixes #​146.
• Windows saveAs converts initialDirectory and dialogTitle from UTF-8 with MultiByteToWideChar.
• Breaking: Android saveFile now throws a PlatformException on failure instead of returning an error message as the path.
• Threading and streaming hardening across platforms:
  • Android: file copies run on a supervised IO scope and reply exactly once; saveAs survives rotation while the picker is open, fails cleanly when the Activity is destroyed or no app can show the picker, and rejects a second saveAs while one is open instead of silently dropping the first. Error details no longer carry a Throwable the channel codec cannot encode.
  • iOS: temp-file writes and copies run off the main thread, payloads are no longer copied into [UInt8], the picker is presented on the top-most controller, and a second saveAs while one is open is rejected.
  • macOS: copies stream in 1 MiB chunks off the main thread and failures throw instead of returning "Failed to save file" as the path.
  • Windows: the dialog is owned by the app window, uses heap buffers instead of a 1 MiB stack array and fixed MAX_PATH statics (a long file name aborted the process), builds the filter correctly, converts names and paths from UTF-8, and reports dialog errors instead of treating them as cancel.
  • Web: cancelling the File System Access picker resolves to null like other platforms; a failed stream is aborted without masking the original error.
  • saveAsStream deletes its temp file when the stream fails.
• Platform channels are now generated with Pigeon from pigeons/messages.dart (regenerate with tool/pigeon.sh), so argument mismatches fail at compile time. Windows saveAs returns the path as a UTF-8 string. macOS deployment target is now 10.15.
• Removed the unused FileUtils.kt and the duplicate macos/Classes sources — macOS builds from macos/file_saver/Sources for both CocoaPods and Swift Package Manager.
• Documented macOS entitlement file naming and Windows SDK requirements.

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