feat: Add /learn:setup command for hook installation

- Add setup.md command to install SessionEnd and PreCompact hooks
- Add install-hooks.sh script for automatic hook installation to ~/.claude/settings.json
- Hooks remind user to run /learn:analyze before session end or auto-compact
- Bump version to 2.1.2

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/learn/scripts/install-hooks.sh

@@ -0,0 +1,113 @@
+#!/bin/bash
+# Claude Learn - Install Hooks
+# Adaugă hooks-urile Learn în ~/.claude/settings.json
+
+SETTINGS_FILE="$HOME/.claude/settings.json"
+
+# Colors
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+CYAN='\033[0;36m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
+echo -e "${CYAN}  Claude Learn - Hook Installation${NC}"
+echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
+
+# Check if settings file exists
+if [ ! -f "$SETTINGS_FILE" ]; then
+    echo -e "${RED}Error: $SETTINGS_FILE not found${NC}"
+    exit 1
+fi
+
+# Backup
+cp "$SETTINGS_FILE" "$SETTINGS_FILE.backup"
+echo -e "${GREEN}✓${NC} Backup created: settings.json.backup"
+
+# Check if hooks already exist
+if python3 -c "import json; d=json.load(open('$SETTINGS_FILE')); exit(0 if 'hooks' in d else 1)" 2>/dev/null; then
+    echo -e "${YELLOW}⚠${NC} Hooks section already exists in settings.json"
+    echo -e "   Checking for Learn hooks..."
+
+    # Check if SessionEnd already has our hook
+    HAS_LEARN=$(python3 -c "
+import json
+d = json.load(open('$SETTINGS_FILE'))
+hooks = d.get('hooks', {})
+session_end = hooks.get('SessionEnd', [])
+for h in session_end:
+    cmd = h.get('command', '')
+    if 'learn:analyze' in cmd:
+        print('yes')
+        exit(0)
+print('no')
+" 2>/dev/null)
+
+    if [ "$HAS_LEARN" = "yes" ]; then
+        echo -e "${GREEN}✓${NC} Learn hooks already installed!"
+        exit 0
+    fi
+fi
+
+# Add hooks using Python
+python3 << 'PYTHON_SCRIPT'
+import json
+import os
+
+settings_file = os.path.expanduser("~/.claude/settings.json")
+
+with open(settings_file, 'r') as f:
+    settings = json.load(f)
+
+# Define Learn hooks
+learn_session_end = {
+    "type": "command",
+    "command": "echo '\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n💡 Tip: Rulează /learn:analyze pentru a captura lecțiile din sesiune\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━'",
+    "timeout": 5
+}
+
+learn_pre_compact = {
+    "matcher": "auto",
+    "hooks": [
+        {
+            "type": "command",
+            "command": "echo '\n⚠️  Context plin! Rulează /learn:analyze ACUM pentru a salva lecțiile înainte de compact!\n'",
+            "timeout": 5
+        }
+    ]
+}
+
+# Initialize hooks if not exists
+if 'hooks' not in settings:
+    settings['hooks'] = {}
+
+# Add SessionEnd hook
+if 'SessionEnd' not in settings['hooks']:
+    settings['hooks']['SessionEnd'] = []
+settings['hooks']['SessionEnd'].append(learn_session_end)
+
+# Add PreCompact hook
+if 'PreCompact' not in settings['hooks']:
+    settings['hooks']['PreCompact'] = []
+settings['hooks']['PreCompact'].append(learn_pre_compact)
+
+# Write back
+with open(settings_file, 'w') as f:
+    json.dump(settings, f, indent=2)
+
+print("Hooks added successfully!")
+PYTHON_SCRIPT
+
+if [ $? -eq 0 ]; then
+    echo -e "${GREEN}✓${NC} SessionEnd hook installed"
+    echo -e "${GREEN}✓${NC} PreCompact hook installed"
+    echo ""
+    echo -e "${CYAN}Hooks-urile vor fi active din următoarea sesiune Claude Code.${NC}"
+    echo -e "Verifică cu: ${YELLOW}/hooks${NC}"
+else
+    echo -e "${RED}Error installing hooks${NC}"
+    # Restore backup
+    mv "$SETTINGS_FILE.backup" "$SETTINGS_FILE"
+    exit 1
+fi