fix: add i18n for EQ settings (#2174)

* fix: add i18n for EQ settings

* reuse common reset i18n labels

src/i18n/locales/en.json

@@ -845,6 +845,22 @@
         "enableAutoTranslation": "Enable auto translation",
         "enableFurigana_description": "Display pronunciation guides (furigana) over Japanese kanji lyrics.",
         "enableFurigana": "Enable furigana generation",
+        "equalizer_descriptionMpv": "Parametric equalizer via FFmpeg lavfi (MPV)",
+        "equalizer_descriptionWebAudio": "Parametric equalizer via Web Audio API",
+        "equalizer": "Equalizer",
+        "equalizerBands_description": "Per-band gain. Drag up/down or type a value. Range: -12 to +12 dB.",
+        "equalizerBands": "Bands",
+        "equalizerPreamp_description": "Input gain before EQ bands. Set negative when boosting bands to prevent clipping (MPV).",
+        "equalizerPreamp": "Preamp",
+        "equalizerPreset_description": "Apply a built-in or saved custom EQ curve",
+        "equalizerPreset": "Preset",
+        "equalizerPresetDeletePlaceholder": "Delete custom...",
+        "equalizerPresetGroupBuiltIn": "Built-in",
+        "equalizerPresetGroupCustom": "Custom",
+        "equalizerPresetNamePlaceholder": "Preset name...",
+        "equalizerPresetSelectPlaceholder": "Select preset",
+        "equalizerSavePreset_description": "Save the current EQ settings as a named preset",
+        "equalizerSavePreset": "Save preset",
         "enableRemote_description": "Enables the remote control server to allow other devices to control the application",
         "enableRemote": "Enable remote control server",
         "exitToTray_description": "Exit the application to the system tray",
@@ -1026,6 +1042,24 @@
         "showVisualizerInSidebar": "Show visualizer in player sidebar",
         "combinedLyricsAndVisualizer_description": "Combine lyrics and visualizer into the same panel",
         "combinedLyricsAndVisualizer": "Combine lyrics and visualizer in player sidebar",
+        "compressor_descriptionMpv": "Dynamic range compressor via FFmpeg acompressor (MPV)",
+        "compressor_descriptionWebAudio": "Dynamic range compressor via Web Audio API",
+        "compressor": "Compressor",
+        "compressorAttack_description": "How quickly the compressor engages after the signal exceeds the threshold.",
+        "compressorAttack": "Attack",
+        "compressorKnee_description": "Soft-knee width. Higher values make the transition into compression more gradual.",
+        "compressorKnee": "Knee",
+        "compressorMakeupGain_description": "Output gain applied after compression to restore loudness.",
+        "compressorMakeupGain": "Makeup Gain",
+        "compressorPreset_description": "Apply a built-in or saved custom compressor setting",
+        "compressorRatio_description": "Compression ratio, e.g. 4 = 4:1.",
+        "compressorRatio": "Ratio",
+        "compressorRelease_description": "How quickly the compressor releases after the signal drops below the threshold.",
+        "compressorRelease": "Release",
+        "compressorReset_description": "Restore all compressor parameters to their default values",
+        "compressorSavePreset_description": "Save the current compressor settings as a named preset",
+        "compressorThreshold_description": "Signal level above which compression begins.",
+        "compressorThreshold": "Threshold",
         "preservePitch_description": "Preserves pitch when modifying playback speed",
         "preservePitch": "Preserve pitch",
         "audioFadeOnStatusChange": "Audio fade on status change",