Split HLS and DASH into optional library modules

[linroid]

HLS and DASH were bundled into core and enabled for every SDK consumer. Move them into independently published library:hls and library:dash modules exposing HlsDownloadSource and DashDownloadSource, with the same platform targets as core.

Each module owns its parser and tests; core retains shared manifest fetching, URL/header handling and sequential transfer helpers. Apps and CLI register both sources with their existing HTTP engine, preserving their download behavior. SDK consumers opt into either source through additionalSources.

Capability reporting now advertises hls.finite and dash.finite independently and retains media.finite when both are installed. The browser extension checks the matching capability. Former media source types route by URL for stored and pre-resolved tasks. URL validation errors identify the active hls or dash source, including failures in original URLs, redirects and manifest references. Includes SDK documentation and Android CI coverage for both modules.

Validation passed:

• Core, HLS, DASH and Ktor JVM suites: 475 tests, including independent registration and legacy source routing.
• HLS and DASH tests on JS/Node.js and WasmWasi: 38 tests.
• Browser-extension suite: 161 tests.
• Full Android CI command: testDebugUnitTest plus core, torrent, HLS and DASH Android host tests. The capability test supplies an explicit temporary directory, so it does not require an Android application context.
• compilePublishedMetadata.
• Android app, desktop app, CLI and shared iOS simulator Kotlin compilation.
• git diff --check.

The experimental desktop Native Image launcher was updated but was not built.

Publication verification also passed:

• Published api, core, hls and dash to an isolated local Maven repository, with signing disabled for this local check.
• Verified both modules' root, Android, JVM, iOS device/simulator, JS and WASI publications: POM fields, Gradle metadata and referenced artifacts, sources, javadoc jars, and core dependencies. Neither module depends on the other.
• Compiled standalone HLS-only and DASH-only consumers against those Maven coordinates for common metadata, JVM, JS, WASI and both iOS targets.
• A dry run of the release workflow's publishAndReleaseToMavenCentral task includes all HLS/DASH signing and publishing tasks. No artifacts were uploaded to Maven Central.

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-06T02:06:03.309717Z	96c2672	PR opened

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[chatgpt-codex-connector]

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Reviewed commit: 96c2672ee8

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[github-actions]

Test Results

 1 390 files  +16   1 417 suites  +16   9m 22s ⏱️ -47s
 9 125 tests +41   8 896 ✅ +41  229 💤 ±0  0 ❌ ±0 
10 464 runs  +41  10 235 ✅ +41  229 💤 ±0  0 ❌ ±0 

Results for commit c4c180f. ± Comparison against base commit 905e89a.

This pull request removes 49 and adds 90 tests. Note that renamed tests count towards both.

com.linroid.ketch.core.media.MediaDownloadSourceTest ‑ download_oversizedManifestAndLivePlaylist_neverWriteOutput
com.linroid.ketch.core.media.MediaDownloadSourceTest ‑ download_oversizedManifestAndLivePlaylist_neverWriteOutput[jvm]
com.linroid.ketch.core.media.MediaDownloadSourceTest ‑ download_redirectedPlaylist_joinsSegmentsAndScopesCredentials
com.linroid.ketch.core.media.MediaDownloadSourceTest ‑ download_redirectedPlaylist_joinsSegmentsAndScopesCredentials[jvm]
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_durationTemplate_expandsNumberAndRepresentation
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_durationTemplate_expandsNumberAndRepresentation[jvm]
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_negativeRepeat_stopsAtNextExplicitTime
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_negativeRepeat_stopsAtNextExplicitTime[jvm]
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_segmentList_resolvesBasesAndRanges
com.linroid.ketch.core.media.MediaManifestTest ‑ dash_segmentList_resolvesBasesAndRanges[jvm]
…

com.linroid.ketch.core.media.MediaUrlsTest ‑ mediaUrls_crossOriginReferences_cannotReceiveCredentials
com.linroid.ketch.core.media.MediaUrlsTest ‑ mediaUrls_crossOriginReferences_cannotReceiveCredentials[jvm]
com.linroid.ketch.dash.DashDownloadSourceTest ‑ canHandle_onlyOwnProtocol_acceptsQueryAndFragment
com.linroid.ketch.dash.DashDownloadSourceTest ‑ canHandle_onlyOwnProtocol_acceptsQueryAndFragment[jvm]
com.linroid.ketch.dash.DashDownloadSourceTest ‑ download_oversizedManifestAndDynamicManifest_neverWriteOutput
com.linroid.ketch.dash.DashDownloadSourceTest ‑ download_oversizedManifestAndDynamicManifest_neverWriteOutput[jvm]
com.linroid.ketch.dash.DashDownloadSourceTest ‑ download_redirectedPlaylist_joinsSegmentsAndScopesCredentials
com.linroid.ketch.dash.DashDownloadSourceTest ‑ download_redirectedPlaylist_joinsSegmentsAndScopesCredentials[jvm]
com.linroid.ketch.dash.DashDownloadSourceTest ‑ resolve_invalidUrls_reportProtocolType
com.linroid.ketch.dash.DashDownloadSourceTest ‑ resolve_invalidUrls_reportProtocolType[jvm]
…