fix: revert mcp protocol version

perf: enhance MCP compatibility by implementing missing methods

fix: fix SMTP_ENCRYPTION saving

fix: fix activity detail filter on activity statstatics page

chore: improve issue template

chore: improve test cfi range script

perf: improve translations

perf: enhance epubcfi to chapter (range)

docs: #library description correction

fix: fix for percentage logging

perf: improve translations

feat: add envent type play_audiobook_update_reading_progress

feat: unify audiobook and reader epubcfi and playing time saving

fix: fix #library type

fix: fix database error