feat(navigation): enhance episode navigation logic and improve error … #1419

Job	Run time
test (ubuntu-latest)	12m 57s
test (macos-latest)	34m 20s
test (windows-latest)	16m 45s
build-windows-installer	6m 6s
build-binaries (macos-latest, darwin, arm64, goanime-darwin-arm64, goanime-darwin-arm64)	4m 25s
build-binaries (ubuntu-latest, linux, amd64, goanime-linux, goanime-linux-amd64)	3m 3s
build-binaries (macos-latest, darwin, amd64, goanime-darwin-amd64, goanime-darwin-amd64)	5m 6s
build-binaries (windows-latest, windows, amd64, goanime.exe, goanime-windows-amd64)	4m 41s
	1h 27m 23s

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