fix(hooks): match superpowers pattern exactly

- Add matcher: startup|clear|compact to SessionStart hook
- Inject only engineering-principles as foundational skill (19KB)
- Strip emoji, use plain text everywhere
- Remove 55KB of verbosity, keep focused primer

hooks/hooks.json

@@ -1,6 +1,7 @@
 {
   "hooks": {
     "SessionStart": [{
+      "matcher": "startup|clear|compact",
       "hooks": [{
         "type": "command",
         "command": "\"${CLAUDE_PLUGIN_ROOT}/hooks/scripts/detect-project.sh\"",

hooks/scripts/detect-file-type.sh

@@ -10,24 +10,24 @@ EXT="${FILE_PATH##*.}"
 
 case "$EXT" in
   ts|tsx)
-    echo "📐 [hub-guide] TypeScript file — apply typescript skill rules (strict types, no-any, proper generics)"
+    echo "[hub-guide] TypeScript file — apply typescript skill rules (strict types, no-any, proper generics)"
     ;;
   py)
-    echo "📐 [hub-guide] Python file — apply python skill rules (type hints, PEP 8, no wildcard imports)"
+    echo "[hub-guide] Python file — apply python skill rules (type hints, PEP 8, no wildcard imports)"
     ;;
   rs)
-    echo "📐 [hub-guide] Rust file — apply rust skill rules (ownership, error handling, clippy clean)"
+    echo "[hub-guide] Rust file — apply rust skill rules (ownership, error handling, clippy clean)"
     ;;
   go)
-    echo "📐 [hub-guide] Go file — apply go skill rules (idiomatic Go, interfaces, error handling)"
+    echo "[hub-guide] Go file — apply go skill rules (idiomatic Go, interfaces, error handling)"
     ;;
   js|jsx)
-    echo "📐 [hub-guide] JavaScript file — apply typescript skill rules (ESM, modern JS)"
+    echo "[hub-guide] JavaScript file — apply typescript skill rules (ESM, modern JS)"
     ;;
   dockerfile|Dockerfile)
-    echo "📐 [hub-guide] Dockerfile — apply docker skill rules (multi-stage, minimal layers, no root)"
+    echo "[hub-guide] Dockerfile — apply docker skill rules (multi-stage, minimal layers, no root)"
     ;;
   yml|yaml)
-    echo "📐 [hub-guide] YAML file — check ci-cd and docker skill rules"
+    echo "[hub-guide] YAML file — check ci-cd and docker skill rules"
     ;;
 esac

hooks/scripts/detect-project.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# hub-guide: inject best-practice skill content at session start
+# hub-guide: detect project and prime skills at session start
 set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
@@ -41,7 +41,7 @@ fi
 MANDATORY="engineering-principles clean-code clean-architecture testing error-handling security git-workflow api-design"
 SKILL_NAMES="${SKILL_NAMES#, }"
 
-# --- build context and output via Python for reliable JSON ---
+# --- build minimal context injection via Python ---
 python3 << PYEOF
 import json, os, sys
 
@@ -50,56 +50,41 @@ mandatory = """${MANDATORY}"""
 skill_names = """${SKILL_NAMES}"""
 plugin_root = """${PLUGIN_ROOT}"""
 
-def read_skill(name):
-    path = os.path.join(plugin_root, "skills", name, "SKILL.md")
-    try:
-        with open(path) as f:
-            return f.read()
-    except:
-        return ""
+# Read just the foundational skill (engineering-principles) as the primer
+foundational_skill = ""
+f_path = os.path.join(plugin_root, "skills", "engineering-principles", "SKILL.md")
+try:
+    with open(f_path) as f:
+        foundational_skill = f.read()
+except:
+    foundational_skill = "(engineering-principles skill not found)"
 
-# Build summary
-summary = f"[hub-guide] detected: {project_dir}\n[hub-guide] mandatory: {mandatory}"
-if skill_names:
-    summary += f"\n[hub-guide] active: {skill_names}"
-summary += "\n[hub-guide] When in doubt — ask instead of assuming."
-summary += "\n[hub-guide] Never assume — show evidence for everything."
-summary += "\n[hub-guide] All skills work regardless of your spoken language."
+context = f"""<EXTREMELY_IMPORTANT>
+You have the hub-guide best-practice skills loaded.
 
-# Build skill content
-content_parts = []
-content_parts.append("<EXTREMELY_IMPORTANT>")
-content_parts.append("You have the following hub-guide skills loaded and active. They apply to every code decision, review, and architecture discussion in this session — regardless of what language the user speaks.")
+=== MANDATORY (always active) ===
+{mandatory}
 
-for skill in mandatory.split():
-    c = read_skill(skill.strip())
-    content_parts.append(f"\n=== hub-guide:{skill} ===\n{c}")
+=== FOUNDATIONAL ===
+{foundational_skill}
 
-if skill_names:
-    content_parts.append(f"\n=== hub-guide:detected ===\nThe following skills are relevant to this project. If their topics come up, use the Skill tool to load them: {skill_names}")
+=== PROJECT-SPECIFIC ===
+{skill_names if skill_names else "(none detected)"}
 
-content_parts.append("\nIMPORTANT: Never assume or guess. Always find evidence in the codebase, documentation, or by asking the user. Show your sources.\n</EXTREMELY_IMPORTANT>")
+Use the Skill tool for any other hub-guide skill when its topic comes up.
+Never assume or guess. Always find evidence in the codebase or docs.
+</EXTREMELY_IMPORTANT>"""
 
-skill_content = "\n".join(content_parts)
-full_context = f"{summary}\n\n{skill_content}"
-
-# Output
 if os.environ.get("CLAUDE_PLUGIN_ROOT") and not os.environ.get("COPILOT_CLI"):
     output = {
         "hookSpecificOutput": {
             "hookEventName": "SessionStart",
-            "additionalContext": full_context
+            "additionalContext": context
         }
     }
     json.dump(output, sys.stdout, ensure_ascii=False)
     print()
 else:
-    print(f"[hub-guide] detected: {project_dir}")
-    print(f"[hub-guide] mandatory: {mandatory}")
-    if skill_names:
-        print(f"[hub-guide] active: {skill_names}")
-    print("[hub-guide] When in doubt — ask instead of assuming.")
-    print()
-    print(skill_content)
+    print("hub-guide skills: " + ", ".join([m for m in mandatory.split()] + ([skill_names] if skill_names else [])))
 PYEOF
 exit 0