feat: audio fingerprint skip-intro engine via ffmpeg chromaprint

[fed1337]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 70.00000% with 171 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
internal/skipsegment/detect.go	62.25%	58 Missing and 19 partials ⚠️
internal/skipsegment/match.go	68.86%	26 Missing and 7 partials ⚠️
internal/skipsegment/consensus.go	73.03%	12 Missing and 12 partials ⚠️
cmd/server/main.go	0.00%	10 Missing ⚠️
internal/skipsegment/fingerprint.go	79.54%	8 Missing and 1 partial ⚠️
internal/skipsegment/postgres/store.go	90.54%	4 Missing and 3 partials ⚠️
internal/httpapi/play_handlers.go	54.54%	4 Missing and 1 partial ⚠️
internal/maintenance/runner.go	55.55%	2 Missing and 2 partials ⚠️
internal/skipsegment/chapters.go	60.00%	1 Missing and 1 partial ⚠️

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[github-actions]

Allure Report Summary

	Scope	Duration	Stats	New	Flaky	Retry
	All tests	50s	⁠ 740 ⁠ 1	15	0	0

Reports: Awesome, Dashboard

[github-actions]

New Tests in sudoStream Allure Dashboard Report

Show 15 new tests

• passed consensus intros — shared theme across three episodes (238ms)
• passed detect library skips non-series libraries (0s)
• passed resolve intro prefers chapter over stored audio (0s)
• passed postgres skip intro store upsert get delete (185ms)
• passed extract fingerprint rejects short scan window (0s)
• passed longest match returns nil for unrelated fingerprints (206ms)
• passed detect library skips episodes with chapter intros (1ms)
• passed truncateErr and formatSeconds helpers (0s)
• passed extract fingerprint handles missing file (9ms)
• passed skip intro model maps to skip_intro_segments table (0s)
• passed longest match finds shared fingerprint block (80ms)
• passed consensus intros — abstains with single episode (0s)
• passed detect library writes consensus audio intros (331ms)
• passed resolve intro falls back to stored audio (0s)
• passed stored segment to intro rejects inverted range (0s)

[github-actions]

New Tests in sudoStream Allure Awesome Report

Show 15 new tests

• passed consensus intros — shared theme across three episodes (238ms)
• passed detect library skips non-series libraries (0s)
• passed resolve intro prefers chapter over stored audio (0s)
• passed postgres skip intro store upsert get delete (185ms)
• passed extract fingerprint rejects short scan window (0s)
• passed longest match returns nil for unrelated fingerprints (206ms)
• passed detect library skips episodes with chapter intros (1ms)
• passed truncateErr and formatSeconds helpers (0s)
• passed extract fingerprint handles missing file (9ms)
• passed skip intro model maps to skip_intro_segments table (0s)
• passed longest match finds shared fingerprint block (80ms)
• passed consensus intros — abstains with single episode (0s)
• passed detect library writes consensus audio intros (331ms)
• passed resolve intro falls back to stored audio (0s)
• passed stored segment to intro rejects inverted range (0s)