Update yt-dlp to 2026.07.04 and refresh the bundled macOS runtime plus engine locks.
Route every non-media download through aria2 by removing the native HTTP fallback path, native GID handling, and the old direct-download harness.
Retry transient aria2 startup/RPC failures before failing, then show the real last error in the download row and Properties modal so Windows failures are diagnosable instead of silent.
Refresh docs and tests around the aria2-only file-download contract, and advance the Firefox extension submodule to its published wording cleanup.
Bundle the self-contained yt-dlp onedir runtime to avoid per-request extraction latency, explicitly use bundled Deno, and guard the packaging layout. Also fix Add window menu/reset behavior and harden diagnostics and toast lifecycle handling.
The yt-dlp binary was a PyInstaller onedir build requiring an adjacent
_internal/ directory with the Python runtime. In the Tauri .app bundle,
sidecar binaries are placed in Contents/MacOS/ while the _internal/
resource ends up in Contents/Resources/binaries/, so the bootloader
could not find Python at runtime ([PYI-...:ERROR] Failed to load
Python shared library).
Replace it with the official yt-dlp_macos standalone onefile binary
from the yt-dlp release (v2026.06.09, universal2). This is fully
self-contained — it extracts its runtime to a temp directory at
invocation — and works regardless of Tauri's bundle layout.
Removes the entire _internal/ directory (~70 MB of Python framework,
native .so/.dylib files, etc.) and the stale .gitignore entry.
NimBold