Add workspace utility scripts

- llm: Local LLM wrapper for llama-swap
- homelab-status: Quick K8s/cluster health check
- calc: Python/JS REPL for quick calculations
- transcribe: Whisper audio transcription wrapper

Added to fish PATH.

scripts/transcribe

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+# Transcribe audio files using Whisper
+# Usage: transcribe <audio_file> [options]
+#        transcribe recording.mp3
+#        transcribe -m medium meeting.wav
+
+set -e
+
+MODEL="${WHISPER_MODEL:-base}"
+LANGUAGE=""
+OUTPUT_FORMAT="txt"
+AUDIO_FILE=""
+
+show_help() {
+  echo "Usage: transcribe [options] <audio_file>"
+  echo ""
+  echo "Options:"
+  echo "  -m, --model MODEL     Whisper model (tiny, base, small, medium, large)"
+  echo "                        Default: base (fast), use medium/large for accuracy"
+  echo "  -l, --language LANG   Force language (e.g., en, es, fr)"
+  echo "  -f, --format FORMAT   Output format (txt, json, srt, vtt)"
+  echo "  -h, --help            Show this help"
+  echo ""
+  echo "Examples:"
+  echo "  transcribe meeting.mp3               # Quick transcription"
+  echo "  transcribe -m medium interview.wav   # Better accuracy"
+  echo "  transcribe -l en -f srt podcast.mp3  # English subtitles"
+  echo ""
+  echo "Models (speed vs accuracy):"
+  echo "  tiny   - Fastest, lowest accuracy (~1GB VRAM)"
+  echo "  base   - Fast, good accuracy (~1GB VRAM) [default]"
+  echo "  small  - Balanced (~2GB VRAM)"
+  echo "  medium - Better accuracy (~5GB VRAM)"
+  echo "  large  - Best accuracy (~10GB VRAM)"
+  echo ""
+  echo "Environment:"
+  echo "  WHISPER_MODEL    Default model (default: base)"
+}
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -m|--model)
+      MODEL="$2"
+      shift 2
+      ;;
+    -l|--language)
+      LANGUAGE="$2"
+      shift 2
+      ;;
+    -f|--format)
+      OUTPUT_FORMAT="$2"
+      shift 2
+      ;;
+    -h|--help)
+      show_help
+      exit 0
+      ;;
+    -*)
+      echo "Unknown option: $1" >&2
+      exit 1
+      ;;
+    *)
+      AUDIO_FILE="$1"
+      shift
+      ;;
+  esac
+done
+
+if [[ -z "$AUDIO_FILE" ]]; then
+  echo "Error: No audio file provided" >&2
+  show_help
+  exit 1
+fi
+
+if [[ ! -f "$AUDIO_FILE" ]]; then
+  echo "Error: File not found: $AUDIO_FILE" >&2
+  exit 1
+fi
+
+# Build whisper command
+CMD="whisper \"$AUDIO_FILE\" --model $MODEL --output_format $OUTPUT_FORMAT"
+
+if [[ -n "$LANGUAGE" ]]; then
+  CMD="$CMD --language $LANGUAGE"
+fi
+
+# Run transcription
+echo "Transcribing: $AUDIO_FILE (model: $MODEL)" >&2
+eval $CMD
+
+# Show output location
+BASE=$(basename "$AUDIO_FILE" | sed 's/\.[^.]*$//')
+echo "" >&2
+echo "Output: ${BASE}.${OUTPUT_FORMAT}" >&2