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Brennan Benson
33a8df93fc
* fix(speech): resume interrupted voice model downloads and surface real errors Voice model downloads that died late in the transfer (flaky networks, scanning proxies) failed at the UI's 90% progress cap and restarted from byte zero on every retry, so affected users could never complete any model download (#8620 / STA-1775). - Retry transient download failures (net::ERR_* transfer cuts, resets, timeouts, HTTP 5xx/429) with an HTTP Range resume from the bytes already on disk, restarting from the canonical URL each attempt since signed CDN redirect URLs expire; bounded backoff, gives up after repeated zero-progress attempts with a diagnosable error. - Correct catalog sizeBytes to exact upstream asset sizes (parakeet v2/v3 are 482/487 MB, not 170/180; paraformer is 1,047 MB, not 115) — also the progress denominator when content-length is missing. - Show the underlying failure cause in the download-error toast and log it in main; it was previously invisible everywhere. All 7 pinned catalog SHA-256 hashes verified against current upstream assets. Live-verified end to end: a transfer killed mid-body resumes with a 206 and completes through checksum, extraction, and validation. Fixes #8620 * fix(speech): harden resumed model downloads * fix(speech): validate resumed download completion * fix(speech): keep segmented download resumes progressing * fix(speech): don't abandon a download that keeps making progress The retry loop gave up after 8 total failures regardless of progress, so a large model (e.g. the ~1GB Paraformer) over a network that resets every few hundred MB was abandoned mid-download even though every attempt was resuming and advancing — the exact 'stuck then fails' symptom, just later. Replace the all-time failure budget and the separate advancing-segment cap with a single rule: give up only on a genuine stall (repeated attempts with no forward progress) or an absolute request ceiling that bounds a pathological tiny-segment server. Any download that keeps advancing now runs to completion. Verified live under Electron 43: a transfer reset mid-stream on every attempt but advancing each time previously gave up at 67% after 8 attempts; it now completes. All prior resume/cancel/timeout scenarios still pass.