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/llm

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+# Local LLM wrapper for llama-swap
+# Usage: llm [model] "prompt"
+#        llm -m model "prompt"
+#        echo "prompt" | llm [model]
+
+set -e
+
+ENDPOINT="${LLAMA_SWAP_URL:-http://127.0.0.1:8080}"
+DEFAULT_MODEL="${LLAMA_SWAP_MODEL:-gemma}"
+MAX_TOKENS="${LLAMA_SWAP_MAX_TOKENS:-2048}"
+
+# Parse args
+MODEL="$DEFAULT_MODEL"
+PROMPT=""
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -m|--model)
+      MODEL="$2"
+      shift 2
+      ;;
+    -t|--tokens)
+      MAX_TOKENS="$2"
+      shift 2
+      ;;
+    -h|--help)
+      echo "Usage: llm [-m model] [-t max_tokens] \"prompt\""
+      echo ""
+      echo "Models: gemma, qwen3, coder, glm, reasoning, gpt-oss"
+      echo ""
+      echo "Examples:"
+      echo "  llm \"What is 2+2?\""
+      echo "  llm -m coder \"Write a Python hello world\""
+      echo "  echo \"Explain this\" | llm qwen3"
+      echo ""
+      echo "Environment:"
+      echo "  LLAMA_SWAP_URL      Endpoint (default: http://127.0.0.1:8080)"
+      echo "  LLAMA_SWAP_MODEL    Default model (default: gemma)"
+      echo "  LLAMA_SWAP_MAX_TOKENS  Max tokens (default: 2048)"
+      exit 0
+      ;;
+    -*)
+      echo "Unknown option: $1" >&2
+      exit 1
+      ;;
+    *)
+      if [[ -z "$PROMPT" ]]; then
+        # Check if it's a model name
+        if [[ "$1" =~ ^(gemma|qwen3|coder|glm|reasoning|gpt-oss)$ ]]; then
+          MODEL="$1"
+        else
+          PROMPT="$1"
+        fi
+      else
+        PROMPT="$PROMPT $1"
+      fi
+      shift
+      ;;
+  esac
+done
+
+# Read from stdin if no prompt
+if [[ -z "$PROMPT" ]]; then
+  if [[ ! -t 0 ]]; then
+    PROMPT=$(cat)
+  else
+    echo "Error: No prompt provided" >&2
+    exit 1
+  fi
+fi
+
+# Check if llama-swap is running
+if ! curl -sf "$ENDPOINT/health" >/dev/null 2>&1; then
+  echo "Error: llama-swap not running at $ENDPOINT" >&2
+  echo "Start with: systemctl --user start llama-swap" >&2
+  exit 1
+fi
+
+# Build JSON payload
+JSON=$(jq -n \
+  --arg model "$MODEL" \
+  --arg prompt "$PROMPT" \
+  --argjson max_tokens "$MAX_TOKENS" \
+  '{model: $model, messages: [{role: "user", content: $prompt}], max_tokens: $max_tokens}')
+
+# Make request and extract response
+RESPONSE=$(curl -s "$ENDPOINT/v1/chat/completions" \
+  -H "Content-Type: application/json" \
+  -d "$JSON")
+
+# Check for error
+if echo "$RESPONSE" | jq -e '.error' >/dev/null 2>&1; then
+  echo "Error: $(echo "$RESPONSE" | jq -r '.error.message')" >&2
+  exit 1
+fi
+
+# Extract content
+echo "$RESPONSE" | jq -r '.choices[0].message.content'