Initial commit

hooks/session-start.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# SessionStart hook for nexus plugin
+
+set -euo pipefail
+
+# Set NEXUS_SKILLS_ROOT environment variable
+export NEXUS_SKILLS_ROOT="${HOME}/.config/nexus/skills"
+
+# Run skills initialization script (handles clone/fetch/auto-update)
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
+PLUGIN_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+init_output=$("${PLUGIN_ROOT}/lib/initialize-skills.sh" 2>&1 || echo "")
+
+# Extract status flags
+skills_updated=$(echo "$init_output" | grep "SKILLS_UPDATED=true" || echo "")
+skills_behind=$(echo "$init_output" | grep "SKILLS_BEHIND=true" || echo "")
+# Remove status flags from display output
+init_output=$(echo "$init_output" | grep -v "SKILLS_UPDATED=true" | grep -v "SKILLS_BEHIND=true" || true)
+
+# Run find-skill to show all available skills
+find_skills_output=$("${NEXUS_SKILLS_ROOT}/getting-started/find-skill" 2>&1 || echo "Error running find-skill")
+
+# Read getting-started content
+getting_started_content=$(cat "${NEXUS_SKILLS_ROOT}/getting-started/SKILL.md" 2>&1 || echo "Error reading getting-started")
+
+# Escape outputs for JSON
+init_escaped=$(echo "$init_output" | sed 's/\\/\\\\/g' | sed 's/"/\\"/g' | awk '{printf "%s\\n", $0}')
+find_skills_escaped=$(echo "$find_skills_output" | sed 's/\\/\\\\/g' | sed 's/"/\\"/g' | awk '{printf "%s\\n", $0}')
+getting_started_escaped=$(echo "$getting_started_content" | sed 's/\\/\\\\/g' | sed 's/"/\\"/g' | awk '{printf "%s\\n", $0}')
+
+# Build initialization output message if present
+init_message=""
+if [ -n "$init_escaped" ]; then
+    init_message="${init_escaped}\n\n"
+fi
+
+# Build status messages that go at the end
+status_message=""
+if [ -n "$skills_behind" ]; then
+    status_message="\n\n⚠️ New skills available from upstream. Manual merge needed."
+fi
+
+# Output context injection as JSON
+cat <<EOF
+{
+  "hookSpecificOutput": {
+    "hookEventName": "SessionStart",
+    "additionalContext": "<session-start-hook><EXTREMELY_IMPORTANT>\nYou have specialized skills for domain work.\n\n${init_message}**The content below is from getting-started/SKILL.md - your operating procedures:**\n\n${getting_started_escaped}\n\n**Tool paths:**\n- find-skill: \${NEXUS_SKILLS_ROOT}/getting-started/find-skill\n\n**Skills root:** ${NEXUS_SKILLS_ROOT}\n\n**Available skills (output of find-skill):**\n\n${find_skills_escaped}${status_message}\n</EXTREMELY_IMPORTANT></session-start-hook>"
+  }
+}
+EOF
+
+exit 0