diff --git a/app/batch_process.py b/app/batch_process.py
new file mode 100755
index 0000000..222746f
--- /dev/null
+++ b/app/batch_process.py
@@ -0,0 +1,152 @@
+#!/usr/bin/env python3
+import sys
+import argparse
+from pathlib import Path
+import psycopg2
+import logging
+from typing import Dict, List
+
+sys.path.insert(0, str(Path(__file__).parent))
+
+from extraction.incremental import IncrementalExtractor
+from parsers.text_parser import TextParser
+from parsers.code_parser import CodeParser
+from parsers.pdf_parser import PDFParser
+from parsers.image_parser import ImageParser
+from parsers.audio_parser import AudioParser
+from parsers.document_parser import DocumentParser
+
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+logger = logging.getLogger(__name__)
+
+DISK_MOUNT_MAP = {
+    'SMT': '/media/mike/SMT',
+    'DISK1': '/media/mike/DISK1',
+    'LLM': '/media/mike/LLM',
+    'WINDOWS': '/media/mike/WINDOWS',
+    'Apps': '/media/mike/Apps',
+    'Space': '/media/mike/Space',
+    'LVM': '/media/mike/LVM'
+}
+
+DB_CONFIG = {
+    'host': '192.168.1.159',
+    'database': 'disk_reorganizer_db',
+    'user': 'disk_reorg_user',
+    'password': 'heel-goed-wachtwoord'
+}
+
+def get_files_to_parse(parser_type: str, limit: int, max_size: int = 10 * 1024 * 1024) -> List[Dict]:
+    conn = psycopg2.connect(**DB_CONFIG)
+    cursor = conn.cursor()
+
+    ext_map = {
+        'text': "'.txt', '.md', '.log', '.json', '.yaml', '.yml', '.xml', '.csv'",
+        'code': "'.py', '.js', '.java', '.go', '.rs', '.ts', '.tsx', '.jsx', '.cpp', '.h', '.c', '.php'",
+        'pdf': "'.pdf'",
+        'image': "'.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.webp'",
+        'audio': "'.mp3', '.wav', '.flac', '.m4a', '.ogg'",
+        'document': "'.docx', '.doc', '.odt', '.rtf'"
+    }
+
+    extensions = ext_map.get(parser_type, '')
+    if not extensions:
+        logger.error(f'Unknown parser type: {parser_type}')
+        return []
+
+    query = f'''
+        SELECT path, disk_label, size, checksum
+        FROM files
+        WHERE extracted_text IS NULL
+        AND size < {max_size}
+        AND size > 0
+        AND (
+            {' OR '.join([f"path LIKE '%{ext}'" for ext in extensions.replace("'", "").split(', ')])}
+        )
+        LIMIT {limit}
+    '''
+
+    cursor.execute(query)
+    files = []
+
+    for row in cursor.fetchall():
+        path, disk, size, checksum = row
+        mount = DISK_MOUNT_MAP.get(disk, '')
+        if not mount:
+            continue
+
+        full_path = Path(mount) / path
+        if full_path.exists():
+            files.append({
+                'path': path,
+                'full_path': full_path,
+                'disk_label': disk,
+                'size': size,
+                'checksum': checksum
+            })
+
+    cursor.close()
+    conn.close()
+
+    logger.info(f'Found {len(files)} {parser_type} files to parse')
+    return files
+
+def batch_parse(parser_type: str, limit: int, max_size: int):
+    parsers = {
+        'text': ('text_parser', TextParser()),
+        'code': ('code_parser', CodeParser()),
+        'pdf': ('pdf_parser', PDFParser()),
+        'image': ('image_parser', ImageParser()),
+        'audio': ('audio_parser', AudioParser(whisper_model='base')),
+        'document': ('document_parser', DocumentParser())
+    }
+
+    if parser_type not in parsers:
+        logger.error(f'Unknown parser type: {parser_type}')
+        return
+
+    parser_name, parser = parsers[parser_type]
+    files = get_files_to_parse(parser_type, limit, max_size)
+
+    if not files:
+        logger.info(f'No files to parse for {parser_type}')
+        return
+
+    extractor = IncrementalExtractor(DB_CONFIG)
+
+    logger.info(f'Starting batch parse of {len(files)} files with {parser_name}')
+
+    def parse_func(path):
+        for f in files:
+            if str(f['full_path']) == str(path) or f['path'] == str(path):
+                return parser.parse(f['full_path'])
+        return parser.parse(path)
+
+    stats = extractor.batch_extract(
+        files,
+        parse_func,
+        parser_name=parser_name,
+        batch_size=100,
+        skip_existing=True
+    )
+
+    logger.info(f'\n=== BATCH PARSE COMPLETE ===')
+    logger.info(f'Processed: {stats["processed"]}')
+    logger.info(f'Extracted: {stats["extracted"]}')
+    logger.info(f'Skipped: {stats["skipped"]}')
+    logger.info(f'Errors: {stats["errors"]}')
+    if stats['extracted'] > 0:
+        logger.info(f'Avg time: {stats["total_time_ms"]/stats["extracted"]:.1f}ms per file')
+
+def main():
+    parser = argparse.ArgumentParser(description='Batch process files with incremental extraction')
+    parser.add_argument('parser_type', choices=['text', 'code', 'pdf', 'image', 'audio', 'document'],
+                       help='Type of parser to use')
+    parser.add_argument('--limit', type=int, default=1000, help='Maximum files to process')
+    parser.add_argument('--max-size', type=int, default=10*1024*1024, help='Maximum file size in bytes')
+
+    args = parser.parse_args()
+    batch_parse(args.parser_type, args.limit, args.max_size)
+
+if __name__ == '__main__':
+    main()
diff --git a/app/chunking/structured_chunker.py b/app/chunking/structured_chunker.py
new file mode 100644
index 0000000..c21c086
--- /dev/null
+++ b/app/chunking/structured_chunker.py
@@ -0,0 +1,136 @@
+import hashlib
+import re
+from typing import List, Dict, Optional
+from pathlib import Path
+
+class StructuredChunker:
+    def __init__(self, chunk_size: int = 1000, overlap: int = 200):
+        self.chunk_size = chunk_size
+        self.overlap = overlap
+
+    def chunk_text(self, text: str, metadata: Optional[Dict] = None) -> List[Dict]:
+        if not text or len(text) < self.chunk_size:
+            return [self._create_chunk(text, 0, metadata)]
+
+        paragraphs = text.split('\n\n')
+        chunks = []
+        current_chunk = []
+        current_size = 0
+        chunk_idx = 0
+
+        for para_idx, para in enumerate(paragraphs):
+            para_size = len(para)
+
+            if current_size + para_size > self.chunk_size and current_chunk:
+                chunk_text = '\n\n'.join(current_chunk)
+                chunks.append(self._create_chunk(chunk_text, chunk_idx, metadata, para_idx=para_idx))
+                chunk_idx += 1
+
+                overlap_text = self._get_overlap_text(current_chunk)
+                current_chunk = [overlap_text] if overlap_text else []
+                current_size = len(overlap_text) if overlap_text else 0
+
+            current_chunk.append(para)
+            current_size += para_size
+
+        if current_chunk:
+            chunk_text = '\n\n'.join(current_chunk)
+            chunks.append(self._create_chunk(chunk_text, chunk_idx, metadata))
+
+        return chunks
+
+    def chunk_code(self, text: str, metadata: Optional[Dict] = None) -> List[Dict]:
+        chunks = []
+        functions = self._extract_functions(text)
+
+        if functions:
+            for idx, func in enumerate(functions):
+                chunks.append(self._create_chunk(
+                    func['code'],
+                    idx,
+                    {**(metadata or {}), 'type': 'function', 'name': func['name']},
+                    section=func['name']
+                ))
+        else:
+            return self.chunk_text(text, {**(metadata or {}), 'type': 'code'})
+
+        return chunks
+
+    def chunk_markdown(self, text: str, metadata: Optional[Dict] = None) -> List[Dict]:
+        sections = self._extract_md_sections(text)
+
+        if sections:
+            chunks = []
+            for idx, section in enumerate(sections):
+                chunks.append(self._create_chunk(
+                    section['content'],
+                    idx,
+                    {**(metadata or {}), 'type': 'section', 'heading': section['heading']},
+                    section=section['heading']
+                ))
+            return chunks
+        else:
+            return self.chunk_text(text, {**(metadata or {}), 'type': 'markdown'})
+
+    def _create_chunk(self, text: str, index: int, metadata: Optional[Dict], para_idx: Optional[int] = None, section: Optional[str] = None) -> Dict:
+        chunk_id = hashlib.sha256(f'{text}{index}'.encode()).hexdigest()[:16]
+
+        return {
+            'chunk_id': chunk_id,
+            'index': index,
+            'text': text,
+            'size': len(text),
+            'offset_start': para_idx if para_idx is not None else index * (self.chunk_size - self.overlap),
+            'offset_end': (para_idx if para_idx is not None else index * (self.chunk_size - self.overlap)) + len(text),
+            'section': section,
+            'metadata': metadata or {}
+        }
+
+    def _get_overlap_text(self, chunks: List[str]) -> str:
+        combined = '\n\n'.join(chunks)
+        if len(combined) <= self.overlap:
+            return combined
+        return combined[-self.overlap:]
+
+    def _extract_functions(self, text: str) -> List[Dict]:
+        patterns = [
+            r'(def\s+(\w+)\s*\([^)]*\):.*?)(?=\ndef\s+\w+|class\s+\w+|\Z)',
+            r'(function\s+(\w+)\s*\([^)]*\)\s*\{.*?\n\})',
+            r'(public\s+(?:static\s+)?[\w<>]+\s+(\w+)\s*\([^)]*\)\s*\{.*?\n\})'
+        ]
+
+        functions = []
+        for pattern in patterns:
+            matches = re.finditer(pattern, text, re.DOTALL | re.MULTILINE)
+            for match in matches:
+                functions.append({
+                    'name': match.group(2),
+                    'code': match.group(1)
+                })
+
+        return functions
+
+    def _extract_md_sections(self, text: str) -> List[Dict]:
+        lines = text.split('\n')
+        sections = []
+        current_section = {'heading': 'Introduction', 'content': []}
+
+        for line in lines:
+            if line.startswith('#'):
+                if current_section['content']:
+                    sections.append({
+                        'heading': current_section['heading'],
+                        'content': '\n'.join(current_section['content'])
+                    })
+                heading = re.sub(r'^#+\s*', '', line)
+                current_section = {'heading': heading, 'content': []}
+            else:
+                current_section['content'].append(line)
+
+        if current_section['content']:
+            sections.append({
+                'heading': current_section['heading'],
+                'content': '\n'.join(current_section['content'])
+            })
+
+        return sections if len(sections) > 1 else []
diff --git a/app/enrichment/llm_client.py b/app/enrichment/llm_client.py
index 50b3279..93d91f1 100644
--- a/app/enrichment/llm_client.py
+++ b/app/enrichment/llm_client.py
@@ -13,7 +13,7 @@ class LLMClient:
 
         self.lm_studio_endpoints = {
             'plato': {'url': 'http://192.168.1.74:1234', 'model': 'openai/gpt-oss-20b'},
-            'postgres': {'url': 'http://192.168.1.159:1234', 'model': 'mistralai/devstral-small-2507'},
+            'postgres': {'url': 'http://192.168.1.159:1234', 'model': 'mistralai/devstral-small-2-2512'},
             'local': {'url': 'http://localhost:11434', 'model': 'llama3'}
         }
 
diff --git a/app/main.py b/app/main.py
index a47eeb9..b24f3a2 100644
--- a/app/main.py
+++ b/app/main.py
@@ -894,3 +894,126 @@ class DiskReorganizer:
             cursor.close()
             conn.close()
 
+
+    def inventory_file_types(self, disk: Optional[str]=None, limit: int=50):
+        from analysis.inventory import FileTypeInventory
+        inventory = FileTypeInventory(self.db_config)
+        results = inventory.analyze(disk=disk, limit=limit)
+
+        print(f'\n=== FILE TYPE INVENTORY ===\n')
+        print(f'{"Extension":<15} {"Count":>10} {"Total Size":>12} {"Parsed":>8} {"Status":>8} {"Parser":>15}')
+        print('=' * 95)
+
+        for ext_info in results['extensions']:
+            ext = ext_info['extension']
+            count = ext_info['count']
+            size = ext_info['total_size']
+            parsed = ext_info['parsed']
+            ptype = ext_info['parser_type']
+            status = '✓' if ext_info['is_parseable'] else '✗'
+            print(f'{ext:<15} {count:>10,} {inventory.format_size(size):>12} {parsed:>8,} {status:>8} {ptype:>15}')
+
+        print('=' * 95)
+        summary = results['summary']
+        print(f'Total files: {summary["total_files"]:,}')
+        print(f'Parseable: {summary["parseable_files"]:,} ({100*summary["parseable_files"]/summary["total_files"]:.1f}%)')
+        print(f'Parsed: {summary["parsed_files"]:,} ({summary["coverage"]:.1f}% coverage)')
+
+        print(f'\n=== PARSER STATUS ===\n')
+        for ptype, info in results['parser_status'].items():
+            status = '✓ Implemented' if info['implemented'] else '✗ Not yet'
+            print(f'{ptype:<15} {status:<20} {", ".join(info["extensions"][:10])}')
+
+        if results['unparsed_by_type']:
+            print(f'\n=== UNPARSED FILES BY TYPE ===\n')
+            for ptype, info in sorted(results['unparsed_by_type'].items(), key=lambda x: x[1]['count'], reverse=True):
+                print(f'{ptype:<15} {info["count"]:>10,} files unparsed')
+                exts = sorted(info["extensions"])[:10]
+                print(f'  Extensions: {", ".join(exts)}')
+
+    def review_migration(self, category: Optional[str]=None, show_build: bool=False):
+        from classification.classifier import FileClassifier
+        classifier = FileClassifier()
+        conn = self.get_connection()
+        cursor = conn.cursor()
+        try:
+            query = 'SELECT path, size, category FROM files WHERE 1=1'
+            params = []
+            if category:
+                query += ' AND category = %s'
+                params.append(category)
+            if not show_build:
+                query += " AND category NOT LIKE 'artifacts%'"
+            query += ' LIMIT 100'
+            cursor.execute(query, params)
+            results = cursor.fetchall()
+            print(f'\n=== MIGRATION REVIEW ({len(results)} files) ===\n')
+            for path, size, cat in results:
+                print(f'{path[:70]:<70} {cat:>20}')
+        finally:
+            cursor.close()
+            conn.close()
+
+    def format_size(self, size: int) -> str:
+        for unit in ['B', 'KB', 'MB', 'GB', 'TB']:
+            if size < 1024:
+                return f'{size:.1f}{unit}'
+            size /= 1024
+        return f'{size:.1f}PB'
+
+def main():
+    parser = argparse.ArgumentParser(description='Disk Reorganizer with Content Understanding')
+    subparsers = parser.add_subparsers(dest='command', required=True)
+
+    inventory_parser = subparsers.add_parser('inventory', help='Analyze file types and parser coverage')
+    inventory_parser.add_argument('--disk', help='Analyze specific disk')
+    inventory_parser.add_argument('--limit', type=int, default=50, help='Limit results')
+
+    index_parser = subparsers.add_parser('index', help='Index files on a disk')
+    index_parser.add_argument('disk_root', help='Root path of disk')
+    index_parser.add_argument('disk_name', help='Logical name for disk')
+
+    parse_parser = subparsers.add_parser('parse', help='Parse files to extract text')
+    parse_parser.add_argument('--kind', help='Parse specific kind (text, code, pdf)')
+    parse_parser.add_argument('--limit', type=int, default=100, help='Limit parse batch')
+    parse_parser.add_argument('--update', action='store_true', help='Save extracted text to database')
+
+    enrich_parser = subparsers.add_parser('enrich', help='Enrich content with LLM analysis')
+    enrich_parser.add_argument('--limit', type=int, default=10, help='Limit enrichment batch')
+    enrich_parser.add_argument('--use-llm', action='store_true', help='Use LLM for summarization')
+    enrich_parser.add_argument('--network', action='store_true', help='Use network LM_STUDIO')
+
+    search_parser = subparsers.add_parser('search', help='Search indexed content')
+    search_parser.add_argument('query', help='Search query')
+    search_parser.add_argument('--type', choices=['text', 'enrichment', 'path'], default='enrichment')
+    search_parser.add_argument('--limit', type=int, default=20, help='Max results')
+
+    classify_parser = subparsers.add_parser('classify', help='Classify files')
+    classify_parser.add_argument('--disk', help='Classify specific disk')
+    classify_parser.add_argument('--update', action='store_true', help='Update database')
+    classify_parser.add_argument('--no-resume', action='store_true', help='Start from scratch')
+
+    folders_parser = subparsers.add_parser('analyze-folders', help='Analyze folder structure')
+    folders_parser.add_argument('--disk', help='Analyze specific disk')
+    folders_parser.add_argument('--min-files', type=int, default=3)
+
+    args = parser.parse_args()
+    tool = DiskReorganizer()
+
+    if args.command == 'inventory':
+        tool.inventory_file_types(disk=args.disk, limit=args.limit)
+    elif args.command == 'index':
+        tool.index_disk(args.disk_root, args.disk_name)
+    elif args.command == 'parse':
+        tool.parse_files(kind=args.kind, limit=args.limit, update_db=args.update)
+    elif args.command == 'enrich':
+        tool.enrich_files(limit=args.limit, use_llm=args.use_llm, use_local=not args.network)
+    elif args.command == 'search':
+        tool.search_content(query=args.query, limit=args.limit, search_type=args.type)
+    elif args.command == 'classify':
+        tool.classify_files(disk=args.disk, update_db=args.update, resume=not args.no_resume)
+    elif args.command == 'analyze-folders':
+        tool.analyze_folders(disk=args.disk, min_files=args.min_files)
+
+if __name__ == '__main__':
+    main()
diff --git a/logs/batch_code.pid b/logs/batch_code.pid
new file mode 100644
index 0000000..e0e5bad
--- /dev/null
+++ b/logs/batch_code.pid
@@ -0,0 +1 @@
+676500
diff --git a/sql/migrations/003_content_graph.sql b/sql/migration/V004__content_graph.sql
similarity index 100%
rename from sql/migrations/003_content_graph.sql
rename to sql/migration/V004__content_graph.sql
diff --git a/sql/migration/V005__fts_and_chunks.sql b/sql/migration/V005__fts_and_chunks.sql
new file mode 100644
index 0000000..3d98c4c
--- /dev/null
+++ b/sql/migration/V005__fts_and_chunks.sql
@@ -0,0 +1,94 @@
+ALTER TABLE files ADD COLUMN IF NOT EXISTS fts_vector tsvector;
+
+CREATE INDEX IF NOT EXISTS idx_files_fts ON files USING GIN(fts_vector);
+
+CREATE OR REPLACE FUNCTION files_fts_update() RETURNS trigger AS $$
+BEGIN
+    NEW.fts_vector :=
+        setweight(to_tsvector('english', COALESCE(NEW.path, '')), 'A') ||
+        setweight(to_tsvector('english', COALESCE(NEW.extracted_text, '')), 'B');
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER files_fts_trigger
+    BEFORE INSERT OR UPDATE OF path, extracted_text
+    ON files
+    FOR EACH ROW
+    EXECUTE FUNCTION files_fts_update();
+
+UPDATE files SET fts_vector =
+    setweight(to_tsvector('english', COALESCE(path, '')), 'A') ||
+    setweight(to_tsvector('english', COALESCE(extracted_text, '')), 'B')
+WHERE extracted_text IS NOT NULL AND fts_vector IS NULL;
+
+CREATE TABLE IF NOT EXISTS content_chunks (
+    id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+    node_id UUID REFERENCES content_nodes(id) ON DELETE CASCADE,
+    file_path TEXT NOT NULL,
+    disk_label VARCHAR(50),
+
+    chunk_id VARCHAR(32) NOT NULL,
+    chunk_index INT NOT NULL,
+    chunk_text TEXT NOT NULL,
+    chunk_size INT,
+
+    offset_start INT,
+    offset_end INT,
+    section_title TEXT,
+
+    metadata JSONB,
+    fts_vector tsvector,
+
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+
+    UNIQUE(file_path, chunk_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_chunks_node ON content_chunks(node_id);
+CREATE INDEX IF NOT EXISTS idx_chunks_file ON content_chunks(file_path);
+CREATE INDEX IF NOT EXISTS idx_chunks_fts ON content_chunks USING GIN(fts_vector);
+CREATE INDEX IF NOT EXISTS idx_chunks_metadata ON content_chunks USING GIN(metadata);
+
+CREATE OR REPLACE FUNCTION chunks_fts_update() RETURNS trigger AS $$
+BEGIN
+    NEW.fts_vector :=
+        setweight(to_tsvector('english', COALESCE(NEW.section_title, '')), 'A') ||
+        setweight(to_tsvector('english', COALESCE(NEW.chunk_text, '')), 'B');
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER chunks_fts_trigger
+    BEFORE INSERT OR UPDATE OF chunk_text, section_title
+    ON content_chunks
+    FOR EACH ROW
+    EXECUTE FUNCTION chunks_fts_update();
+
+CREATE TABLE IF NOT EXISTS directory_index (
+    id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+    dir_path TEXT NOT NULL UNIQUE,
+    disk_label VARCHAR(50),
+
+    file_count INT DEFAULT 0,
+    total_size BIGINT DEFAULT 0,
+    indexed_files INT DEFAULT 0,
+
+    aggregated_text TEXT,
+    fts_vector tsvector,
+
+    bm25_stats JSONB,
+
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_dir_index_path ON directory_index(dir_path);
+CREATE INDEX IF NOT EXISTS idx_dir_index_disk ON directory_index(disk_label);
+CREATE INDEX IF NOT EXISTS idx_dir_index_fts ON directory_index USING GIN(fts_vector);
+
+COMMENT ON TABLE content_chunks IS 'Structured chunks for BM25 and vector search';
+COMMENT ON TABLE directory_index IS 'Aggregated directory-level BM25 index';
+COMMENT ON COLUMN content_chunks.chunk_id IS 'Stable hash-based chunk identifier';
+COMMENT ON COLUMN content_chunks.offset_start IS 'Character offset or paragraph index';
+COMMENT ON COLUMN content_chunks.section_title IS 'Heading/function name for structured chunks';