fix(hooks): remove hooks, rely on skill descriptions for activation

Hooks with command type not suitable for skills-dir plugins.
All 26 skills have MANDATORY — always active descriptions that
auto-trigger based on context, code, and project files.

hooks/hooks.json

@@ -1,23 +0,0 @@
-{
-  "hooks": {
-    "SessionStart": [{
-      "matcher": "startup|resume|compact",
-      "hooks": [{
-        "type": "command",
-        "command": "\"${CLAUDE_PLUGIN_ROOT}/hooks/scripts/detect-project.sh\"",
-        "shell": "bash",
-        "timeout": 10,
-        "async": false
-      }]
-    }],
-    "PreToolUse": [{
-      "matcher": "Write|Edit",
-      "hooks": [{
-        "type": "command",
-        "command": "\"${CLAUDE_PLUGIN_ROOT}/hooks/scripts/detect-file-type.sh\"",
-        "shell": "bash",
-        "timeout": 10
-      }]
-    }]
-  }
-}

hooks/scripts/detect-file-type.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-# hub-guide: detect file extension and suggest language-specific rules
-# Reads PreToolUse event JSON from stdin.
-set -euo pipefail
-
-INPUT=$(cat)
-FILE_PATH=$(echo "$INPUT" | grep -o '"file_path"[[:space:]]*:[[:space:]]*"[^"]*"' | head -1 | sed 's/.*"file_path"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/')
-EXT="${FILE_PATH##*.}"
-
-case "$EXT" in
-  ts|tsx)                        echo "[hub-guide] .${EXT} -> typescript" ;;
-  py)                            echo "[hub-guide] .py -> python" ;;
-  rs)                            echo "[hub-guide] .rs -> rust" ;;
-  go)                            echo "[hub-guide] .go -> go" ;;
-  js|jsx)                        echo "[hub-guide] .${EXT} -> typescript" ;;
-  Dockerfile|dockerfile)         echo "[hub-guide] Dockerfile -> docker" ;;
-  yml|yaml)                      echo "[hub-guide] .${EXT} -> ci-cd+docker" ;;
-esac

hooks/scripts/detect-project.sh

@@ -1,47 +0,0 @@
-#!/bin/bash
-# hub-guide: detect project type and prime best-practice skills
-set -euo pipefail
-
-SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-PLUGIN_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
-PROJECT_DIR="$(pwd)"
-SKILL_NAMES=""
-
-has_dep() { local n="$1"; grep -q "\"$n\"" package.json 2>/dev/null; }
-
-if [ -f "pnpm-workspace.yaml" ] || [ -f "lerna.json" ] || [ -f "nx.json" ] || [ -f "rush.json" ] || [ -f "turborepo.json" ]; then
-  SKILL_NAMES="$SKILL_NAMES, monorepo"
-fi
-if [ -f "tsconfig.json" ] || [ -f "jsconfig.json" ]; then
-  SKILL_NAMES="$SKILL_NAMES, typescript"
-  if has_dep "next";        then SKILL_NAMES="$SKILL_NAMES, nextjs"; fi
-  if has_dep "elysia";      then SKILL_NAMES="$SKILL_NAMES, elysiajs"; fi
-  if has_dep "hono";        then SKILL_NAMES="$SKILL_NAMES, hono-backend"; fi
-  if has_dep "drizzle-orm"; then SKILL_NAMES="$SKILL_NAMES, drizzle-database"; fi
-fi
-if [ -f "vite.config.ts" ] || [ -f "vite.config.js" ] || has_dep "react" 2>/dev/null; then
-  case "$SKILL_NAMES" in *react-frontend*) ;; *) SKILL_NAMES="$SKILL_NAMES, react-frontend" ;; esac
-fi
-if [ -f "next.config.js" ] || [ -f "next.config.ts" ] || [ -f "next.config.mjs" ]; then
-  case "$SKILL_NAMES" in *nextjs*) ;; *) SKILL_NAMES="$SKILL_NAMES, nextjs" ;; esac
-fi
-if [ -f "pyproject.toml" ] || [ -f "setup.py" ] || [ -f "requirements.txt" ] || [ -f "Pipfile" ] || [ -f "poetry.lock" ] || [ -f "uv.lock" ]; then
-  SKILL_NAMES="$SKILL_NAMES, python"
-fi
-if [ -f "Cargo.toml" ]; then                     SKILL_NAMES="$SKILL_NAMES, rust"; fi
-if [ -f "go.mod" ]; then                         SKILL_NAMES="$SKILL_NAMES, go"; fi
-if [ -f "Dockerfile" ] || [ -f "docker-compose.yml" ] || [ -f "compose.yml" ] || ls Dockerfile.* 2>/dev/null | grep -q .; then
-  SKILL_NAMES="$SKILL_NAMES, docker"
-fi
-if [ -d ".github/workflows" ] || [ -f ".gitlab-ci.yml" ] || [ -f "Jenkinsfile" ] || [ -f "bitbucket-pipelines.yml" ]; then
-  SKILL_NAMES="$SKILL_NAMES, ci-cd"
-fi
-
-MANDATORY="engineering-principles clean-code clean-architecture testing error-handling security git-workflow api-design"
-SKILL_NAMES="${SKILL_NAMES#, }"
-
-echo "[hub-guide] session: ${PROJECT_DIR}"
-echo "[hub-guide] mandatory: ${MANDATORY}"
-if [ -n "$SKILL_NAMES" ]; then
-  echo "[hub-guide] active: ${SKILL_NAMES}"
-fi