v1.4.0: Major Skills Expansion - 75 Total Skills

skills/superpowers/hooks/session-start

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# SessionStart hook for superpowers plugin
+
+set -euo pipefail
+
+# Determine plugin root directory
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
+PLUGIN_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
+# Check if legacy skills directory exists and build warning
+warning_message=""
+legacy_skills_dir="${HOME}/.config/superpowers/skills"
+if [ -d "$legacy_skills_dir" ]; then
+    warning_message="\n\n<important-reminder>IN YOUR FIRST REPLY AFTER SEEING THIS MESSAGE YOU MUST TELL THE USER:⚠️ **WARNING:** Superpowers now uses Claude Code's skills system. Custom skills in ~/.config/superpowers/skills will not be read. Move custom skills to ~/.claude/skills instead. To make this message go away, remove ~/.config/superpowers/skills</important-reminder>"
+fi
+
+# Read using-superpowers content
+using_superpowers_content=$(cat "${PLUGIN_ROOT}/skills/using-superpowers/SKILL.md" 2>&1 || echo "Error reading using-superpowers skill")
+
+# Escape string for JSON embedding using bash parameter substitution.
+# Each ${s//old/new} is a single C-level pass - orders of magnitude
+# faster than the character-by-character loop this replaces.
+escape_for_json() {
+    local s="$1"
+    s="${s//\\/\\\\}"
+    s="${s//\"/\\\"}"
+    s="${s//$'\n'/\\n}"
+    s="${s//$'\r'/\\r}"
+    s="${s//$'\t'/\\t}"
+    printf '%s' "$s"
+}
+
+using_superpowers_escaped=$(escape_for_json "$using_superpowers_content")
+warning_escaped=$(escape_for_json "$warning_message")
+session_context="<EXTREMELY_IMPORTANT>\nYou have superpowers.\n\n**Below is the full content of your 'superpowers:using-superpowers' skill - your introduction to using skills. For all other skills, use the 'Skill' tool:**\n\n${using_superpowers_escaped}\n\n${warning_escaped}\n</EXTREMELY_IMPORTANT>"
+
+# Output context injection as JSON.
+# Keep both shapes for compatibility:
+# - Cursor hooks expect additional_context.
+# - Claude hooks expect hookSpecificOutput.additionalContext.
+cat <<EOF
+{
+  "additional_context": "${session_context}",
+  "hookSpecificOutput": {
+    "hookEventName": "SessionStart",
+    "additionalContext": "${session_context}"
+  }
+}
+EOF
+
+exit 0