feat: Implement modular plugin architecture

- Convert invcount to self-contained module - Add Module Manager for install/uninstall - Create module_registry database table - Support hot-reloading of modules - Move data imports into invcount module - Update all templates and routes to new structure Version bumped to 0.16.0
2026-02-07 01:47:49 -06:00
parent 2a649fdbcc
commit 406219547d
35 changed files with 3887 additions and 492 deletions
--- a/Prompt.txt
+++ b/Prompt.txt
@@ -31,7 +31,7 @@ Long-term goal: evolve into a WMS, but right now focus on making this workflow r
 ## Scanlook (current product summary)
 Scanlook is a web app for warehouse counting workflows built with Flask + SQLite.

-**Current Version:** 0.14.0
+**Current Version:** 0.15.0

 **Tech Stack:**
 - Backend: Python/Flask, raw SQL (no ORM), openpyxl (Excel file generation)
@@ -68,7 +68,7 @@ Scanlook is a web app for warehouse counting workflows built with Flask + SQLite

 **Long-term goal:** Modular WMS with future modules for Shipping, Receiving, Transfers, Production.

-**Module System (v0.14.0):**
+**Module System:**
 - Modules table defines available modules (module_key used for routing)
 - UserModules table tracks per-user access
 - Home page (/home) shows module cards based on user's access
--- a/app.py
+++ b/app.py
@@ -1,7 +1,7 @@
 """
-ScanLook - Inventory Management System
+ScanLook - Modular Inventory Management System
 Flask Application
-Production-Ready Release
+Production-Ready Release with Module System
 """
 from flask import Flask, render_template, request, redirect, url_for, session, flash, jsonify, send_from_directory
 from werkzeug.security import check_password_hash
@@ -13,21 +13,11 @@ app = Flask(__name__)

 # Now import your custom modules
 from db import query_db, execute_db, get_db
-from blueprints.data_imports import data_imports_bp
 from blueprints.users import users_bp
-from blueprints.sessions import sessions_bp
-from blueprints.admin_locations import admin_locations_bp
-from blueprints.counting import counting_bp  
-from blueprints.cons_sheets import cons_sheets_bp
 from utils import login_required

-# Register Blueprints
-app.register_blueprint(data_imports_bp)
+# Register Core Blueprints (non-modular)
 app.register_blueprint(users_bp)
-app.register_blueprint(sessions_bp)
-app.register_blueprint(admin_locations_bp)
-app.register_blueprint(counting_bp)          
-app.register_blueprint(cons_sheets_bp)

 # V1.0: Use environment variable for production, fallback to demo key for development
 app.secret_key = os.environ.get('SCANLOOK_SECRET_KEY', 'scanlook-demo-key-replace-for-production')
@@ -38,7 +28,7 @@ app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=1)


 # 1. Define the version
-APP_VERSION = '0.15.0'
+APP_VERSION = '0.16.0'  # Bumped version for modular architecture

 # 2. Inject it into all templates automatically
@app.context_processor
@@ -53,11 +43,17 @@ if not os.path.exists(db_path):
    init_database()
    create_default_users()
    print("Database initialized!")
+    print("📦 Install modules from /admin/modules")

 # Run migrations to apply any pending database changes
 from migrations import run_migrations
 run_migrations()

+# Load and register active modules
+from module_manager import get_module_manager
+module_manager = get_module_manager()
+module_manager.load_active_modules(app)
+

 # ==================== ROUTES: AUTHENTICATION ====================

@@ -119,49 +115,124 @@ def home():
    return render_template('home.html', modules=modules)


-# ==================== ROUTES: DASHBOARD ====================
+# ==================== ROUTES: ADMIN DASHBOARD ====================

@app.route('/admin')
@login_required
 def admin_dashboard():
-    """Main dashboard - different views for admin vs staff"""
+    """Admin dashboard - shows all available modules"""
    role = session.get('role')
    
-    if role in ['owner', 'admin']:
-        # Admin dashboard
-        show_archived = request.args.get('show_archived', '0') == '1'
+    if role not in ['owner', 'admin']:
+        flash('Access denied. Admin role required.', 'danger')
+        return redirect(url_for('home'))
    
-        if show_archived:
-            # Show all sessions (active and archived)
-            sessions_list = query_db('''
-                SELECT s.*, u.full_name as created_by_name,
-                       COUNT(DISTINCT lc.location_count_id) as total_locations,
-                       SUM(CASE WHEN lc.status = 'completed' THEN 1 ELSE 0 END) as completed_locations,
-                       SUM(CASE WHEN lc.status = 'in_progress' THEN 1 ELSE 0 END) as in_progress_locations
-                FROM CountSessions s
-                LEFT JOIN Users u ON s.created_by = u.user_id
-                LEFT JOIN LocationCounts lc ON s.session_id = lc.session_id
-                WHERE s.status IN ('active', 'archived')
-                GROUP BY s.session_id
-                ORDER BY s.status ASC, s.created_timestamp DESC
-            ''')
+    # Get modules this user has access to
+    user_id = session.get('user_id')
+    modules = query_db('''
+        SELECT m.module_id, m.module_name, m.module_key, m.description, m.icon
+        FROM Modules m
+        JOIN UserModules um ON m.module_id = um.module_id
+        WHERE um.user_id = ? AND m.is_active = 1
+        ORDER BY m.display_order
+    ''', [user_id])
+    
+    return render_template('admin_dashboard.html', modules=modules)
+
+# ==================== MODULE MANAGER UI ====================
+
+@app.route('/admin/modules')
+@login_required
+def module_manager_ui():
+    """Module manager interface for admins"""
+    if session.get('role') not in ['owner', 'admin']:
+        flash('Access denied. Admin role required.', 'danger')
+        return redirect(url_for('home'))
+    
+    modules = module_manager.scan_available_modules()
+    return render_template('module_manager.html', modules=modules)
+
+
+@app.route('/admin/modules/<module_key>/install', methods=['POST'])
+@login_required
+def install_module(module_key):
+    """Install a module"""
+    if session.get('role') not in ['owner', 'admin']:
+        return jsonify({'success': False, 'message': 'Access denied'}), 403
+    
+    result = module_manager.install_module(module_key)
+    
+    # Hot-reload: Register the blueprint immediately if installation succeeded
+    if result['success']:
+        try:
+            from pathlib import Path
+            import importlib.util
+            import sys
+            
+            module = module_manager.get_module_by_key(module_key)
+            if module:
+                init_path = Path(module['path']) / '__init__.py'
+                
+                # Import the module
+                spec = importlib.util.spec_from_file_location(
+                    f"modules.{module_key}", 
+                    init_path
+                )
+                module_package = importlib.util.module_from_spec(spec)
+                sys.modules[spec.name] = module_package
+                spec.loader.exec_module(module_package)
+                
+                # Create and register blueprint
+                if hasattr(module_package, 'create_blueprint'):
+                    blueprint = module_package.create_blueprint()
+                    app.register_blueprint(blueprint)
+                    print(f"🔥 Hot-loaded: {module['name']} at {module.get('routes_prefix')}")
+                    result['message'] += ' (Module loaded - no restart needed!)'
                else:
-            # Show only active sessions
-            sessions_list = query_db('''
-                SELECT s.*, u.full_name as created_by_name,
-                       COUNT(DISTINCT lc.location_count_id) as total_locations,
-                       SUM(CASE WHEN lc.status = 'completed' THEN 1 ELSE 0 END) as completed_locations,
-                       SUM(CASE WHEN lc.status = 'in_progress' THEN 1 ELSE 0 END) as in_progress_locations
-                FROM CountSessions s
-                LEFT JOIN Users u ON s.created_by = u.user_id
-                LEFT JOIN LocationCounts lc ON s.session_id = lc.session_id
-                WHERE s.status = 'active'
-                GROUP BY s.session_id
-                ORDER BY s.created_timestamp DESC
-            ''')
+                    print(f"⚠️  Module {module_key} missing create_blueprint()")
+                    result['message'] += ' (Restart required - missing create_blueprint)'
+            else:
+                print(f"⚠️  Could not find module {module_key} after installation")
+                result['message'] += ' (Restart required - module not found)'
+        except Exception as e:
+            print(f"❌ Hot-reload failed for {module_key}: {e}")
+            import traceback
+            traceback.print_exc()
+            result['message'] += f' (Restart required - hot-reload failed)'
    
-        return render_template('admin_dashboard.html', sessions=sessions_list, show_archived=show_archived)
+    return jsonify(result)

+@app.route('/admin/modules/<module_key>/uninstall', methods=['POST'])
+@login_required
+def uninstall_module(module_key):
+    """Uninstall a module"""
+    if session.get('role') not in ['owner', 'admin']:
+        return jsonify({'success': False, 'message': 'Access denied'}), 403
+    
+    result = module_manager.uninstall_module(module_key, drop_tables=True)
+    return jsonify(result)
+
+
+@app.route('/admin/modules/<module_key>/activate', methods=['POST'])
+@login_required
+def activate_module(module_key):
+    """Activate a module"""
+    if session.get('role') not in ['owner', 'admin']:
+        return jsonify({'success': False, 'message': 'Access denied'}), 403
+    
+    result = module_manager.activate_module(module_key)
+    return jsonify(result)
+
+
+@app.route('/admin/modules/<module_key>/deactivate', methods=['POST'])
+@login_required
+def deactivate_module(module_key):
+    """Deactivate a module"""
+    if session.get('role') not in ['owner', 'admin']:
+        return jsonify({'success': False, 'message': 'Access denied'}), 403
+    
+    result = module_manager.deactivate_module(module_key)
+    return jsonify(result)


 # ==================== PWA SUPPORT ROUTES ====================
@@ -204,6 +275,19 @@ def whatami():
    """


+@app.route('/debug/routes')
+@login_required
+def list_routes():
+    """Debug: List all registered routes"""
+    if session.get('role') not in ['owner', 'admin']:
+        return "Access denied", 403
+    
+    routes = []
+    for rule in app.url_map.iter_rules():
+        routes.append(f"{rule.endpoint}: {rule.rule}")
+    
+    return "<br>".join(sorted(routes))
+
 # ==================== RUN APPLICATION ====================

 if __name__ == '__main__':
--- a/database/init_db.py
+++ b/database/init_db.py
@@ -1,7 +1,6 @@
 """
-ScanLook Database Initialization
-Creates all tables and indexes for the inventory management system
-UPDATED: Reflects post-migration schema (CURRENT baseline is now global)
+ScanLook Database Initialization - CORE ONLY
+Creates only core system tables. Module tables are created when modules are installed.
 """

 import sqlite3
@@ -13,10 +12,14 @@ DB_PATH = os.path.join(os.path.dirname(__file__), 'scanlook.db')


 def init_database():
-    """Initialize the database with all tables and indexes"""
+    """Initialize the database with core system tables only"""
    conn = sqlite3.connect(DB_PATH)
    cursor = conn.cursor()
    
+    # ============================================
+    # CORE SYSTEM TABLES
+    # ============================================
+    
    # Users Table
    cursor.execute('''
    CREATE TABLE IF NOT EXISTS Users (
@@ -32,145 +35,7 @@ def init_database():
    )
    ''')
    
-    # CountSessions Table
-    # NOTE: current_baseline_version removed - CURRENT is now global
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS CountSessions (
-        session_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_name TEXT NOT NULL,
-        session_type TEXT NOT NULL CHECK(session_type IN ('cycle_count', 'full_physical')),
-        created_by INTEGER NOT NULL,
-        created_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        master_baseline_timestamp DATETIME,
-        current_baseline_timestamp DATETIME,
-        status TEXT DEFAULT 'active' CHECK(status IN ('active', 'completed', 'archived')),
-        branch TEXT DEFAULT 'Main',
-        FOREIGN KEY (created_by) REFERENCES Users(user_id)
-    )
-    ''')
-    
-    # BaselineInventory_Master Table (Session-specific, immutable)
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS BaselineInventory_Master (
-        baseline_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_id INTEGER NOT NULL,
-        lot_number TEXT NOT NULL,
-        item TEXT NOT NULL,
-        description TEXT,
-        system_location TEXT NOT NULL,
-        system_bin TEXT NOT NULL,
-        system_quantity REAL NOT NULL,
-        uploaded_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id)
-    )
-    ''')
-    
-    # BaselineInventory_Current Table (GLOBAL - shared across all sessions)
-    # MIGRATION CHANGE: No session_id, no baseline_version, no is_deleted
-    # This table is replaced entirely on each upload
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS BaselineInventory_Current (
-        current_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        lot_number TEXT NOT NULL,
-        item TEXT NOT NULL,
-        description TEXT,
-        system_location TEXT,
-        system_bin TEXT NOT NULL,
-        system_quantity REAL NOT NULL,
-        upload_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        UNIQUE(lot_number, system_bin)
-    )
-    ''')
-    
-    # LocationCounts Table
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS LocationCounts (
-        location_count_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_id INTEGER NOT NULL,
-        location_name TEXT NOT NULL,
-        counted_by INTEGER NOT NULL,
-        start_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        end_timestamp DATETIME,
-        status TEXT DEFAULT 'not_started' CHECK(status IN ('not_started', 'in_progress', 'completed')),
-        expected_lots_master INTEGER DEFAULT 0,
-        lots_found INTEGER DEFAULT 0,
-        lots_missing INTEGER DEFAULT 0,
-        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
-        FOREIGN KEY (counted_by) REFERENCES Users(user_id)
-    )
-    ''')
-    
-    # ScanEntries Table
-    # MIGRATION CHANGE: Removed current_* columns - now fetched via JOIN
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS ScanEntries (
-        entry_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_id INTEGER NOT NULL,
-        location_count_id INTEGER NOT NULL,
-        lot_number TEXT NOT NULL,
-        item TEXT,
-        description TEXT,
-        scanned_location TEXT NOT NULL,
-        actual_weight REAL NOT NULL,
-        scanned_by INTEGER NOT NULL,
-        scan_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        
-        -- MASTER baseline comparison (immutable, set at scan time)
-        master_status TEXT CHECK(master_status IN ('match', 'wrong_location', 'ghost_lot', 'missing')),
-        master_expected_location TEXT,
-        master_expected_weight REAL,
-        master_variance_lbs REAL,
-        master_variance_pct REAL,
-        
-        -- Duplicate detection
-        duplicate_status TEXT DEFAULT '00' CHECK(duplicate_status IN ('00', '01', '03', '04')),
-        duplicate_info TEXT,
-        
-        -- CURRENT baseline comparison removed - now via JOIN in queries
-        -- Removed: current_status, current_system_location, current_system_weight,
-        --          current_variance_lbs, current_variance_pct, current_baseline_version
-        
-        -- Metadata
-        comment TEXT,
-        is_deleted INTEGER DEFAULT 0,
-        deleted_by INTEGER,
-        deleted_timestamp DATETIME,
-        modified_timestamp DATETIME,
-        
-        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
-        FOREIGN KEY (location_count_id) REFERENCES LocationCounts(location_count_id),
-        FOREIGN KEY (scanned_by) REFERENCES Users(user_id),
-        FOREIGN KEY (deleted_by) REFERENCES Users(user_id)
-    )
-    ''')
-    
-    # MissingLots Table
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS MissingLots (
-        missing_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_id INTEGER NOT NULL,
-        location_count_id INTEGER,
-        lot_number TEXT NOT NULL,
-        item TEXT,
-        master_expected_location TEXT NOT NULL,
-        master_expected_quantity REAL NOT NULL,
-        current_system_location TEXT,
-        current_system_quantity REAL,
-        marked_by INTEGER NOT NULL,
-        marked_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        found_later TEXT DEFAULT 'N' CHECK(found_later IN ('Y', 'N')),
-        found_location TEXT,
-        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
-        FOREIGN KEY (location_count_id) REFERENCES LocationCounts(location_count_id),
-        FOREIGN KEY (marked_by) REFERENCES Users(user_id)
-    )
-    ''')
-    
-    # ============================================
-    # MODULE SYSTEM TABLES
-    # ============================================
-    
-    # Modules Table - Available feature modules
+    # Modules Table (legacy - for user permissions)
    cursor.execute('''
    CREATE TABLE IF NOT EXISTS Modules (
        module_id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -183,7 +48,7 @@ def init_database():
    )
    ''')
    
-    # UserModules Table - Module access per user
+    # UserModules Table (module access per user)
    cursor.execute('''
    CREATE TABLE IF NOT EXISTS UserModules (
        user_module_id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -198,104 +63,35 @@ def init_database():
    )
    ''')
    
-    # ============================================
-    # CONSUMPTION SHEETS MODULE TABLES
-    # ============================================
-    
-    # cons_processes - Master list of consumption sheet process types
+    # Module Registry Table (new module manager system)
    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS cons_processes (
+    CREATE TABLE IF NOT EXISTS module_registry (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        process_key TEXT UNIQUE NOT NULL,
-        process_name TEXT NOT NULL,
-        template_file BLOB,
-        template_filename TEXT,
-        rows_per_page INTEGER DEFAULT 30,
-        detail_start_row INTEGER DEFAULT 10,
-        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-        created_by INTEGER NOT NULL,
-        is_active INTEGER DEFAULT 1,
-        FOREIGN KEY (created_by) REFERENCES Users(user_id)
+        module_key TEXT UNIQUE NOT NULL,
+        name TEXT NOT NULL,
+        version TEXT NOT NULL,
+        author TEXT,
+        description TEXT,
+        is_installed INTEGER DEFAULT 0,
+        is_active INTEGER DEFAULT 0,
+        installed_at TEXT,
+        config_json TEXT
    )
    ''')
    
-    # cons_process_fields - Custom field definitions for each process
+    # Schema Migrations Table (for core migrations only)
    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS cons_process_fields (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        process_id INTEGER NOT NULL,
-        table_type TEXT NOT NULL CHECK(table_type IN ('header', 'detail')),
-        field_name TEXT NOT NULL,
-        field_label TEXT NOT NULL,
-        field_type TEXT NOT NULL CHECK(field_type IN ('TEXT', 'INTEGER', 'REAL', 'DATE', 'DATETIME')),
-        max_length INTEGER,
-        is_required INTEGER DEFAULT 0,
-        is_duplicate_key INTEGER DEFAULT 0,
-        is_active INTEGER DEFAULT 1,
-        sort_order INTEGER DEFAULT 0,
-        excel_cell TEXT,
-        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-        FOREIGN KEY (process_id) REFERENCES cons_processes(id)
+    CREATE TABLE IF NOT EXISTS schema_migrations (
+        version INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        applied_at DATETIME DEFAULT CURRENT_TIMESTAMP
    )
    ''')
    
-    # cons_sessions - Staff scanning sessions
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS cons_sessions (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        process_id INTEGER NOT NULL,
-        created_by INTEGER NOT NULL,
-        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-        status TEXT DEFAULT 'active' CHECK(status IN ('active', 'archived')),
-        FOREIGN KEY (process_id) REFERENCES cons_processes(id),
-        FOREIGN KEY (created_by) REFERENCES Users(user_id)
-    )
-    ''')
-    
-    # Note: Header values still use flexible key-value storage
-    # cons_session_header_values - Flexible storage for header field values
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS cons_session_header_values (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        session_id INTEGER NOT NULL,
-        field_id INTEGER NOT NULL,
-        field_value TEXT,
-        FOREIGN KEY (session_id) REFERENCES cons_sessions(id),
-        FOREIGN KEY (field_id) REFERENCES cons_process_fields(id)
-    )
-    ''')
-    
-    # Note: Detail tables are created dynamically per process as cons_proc_{process_key}_details
-    # They include system columns (id, session_id, scanned_by, scanned_at, duplicate_status, 
-    # duplicate_info, comment, is_deleted) plus custom fields defined in cons_process_fields
-    
-    # Create Indexes
-    # MASTER baseline indexes
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_baseline_master_lot ON BaselineInventory_Master(session_id, lot_number)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_baseline_master_loc ON BaselineInventory_Master(session_id, system_location)')
-    
-    # ScanEntries indexes
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_scanentries_session ON ScanEntries(session_id)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_scanentries_location ON ScanEntries(location_count_id)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_scanentries_lot ON ScanEntries(lot_number)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_scanentries_deleted ON ScanEntries(is_deleted)')
-    
-    # LocationCounts indexes
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_location_counts ON LocationCounts(session_id, status)')
-    
-    # Note: No indexes on BaselineInventory_Current needed - UNIQUE constraint handles lookups
-    
-    # Consumption Sheets indexes
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_process_fields_process ON cons_process_fields(process_id, table_type)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_process_fields_active ON cons_process_fields(process_id, is_active)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_sessions_process ON cons_sessions(process_id, status)')
-    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_sessions_user ON cons_sessions(created_by, status)')
-    # Note: Detail table indexes are created dynamically when process tables are created
-    
    conn.commit()
    conn.close()
-    print(f"✅ Database initialized at: {DB_PATH}")
-    print("📝 Schema version: Post-migration (CURRENT baseline is global)")
+    print(f"✅ Core database initialized at: {DB_PATH}")
+    print("📦 Module tables will be created when modules are installed")


 def create_default_users():
@@ -327,52 +123,7 @@ def create_default_users():
    conn.close()


-def create_default_modules():
-    """Create default modules and assign to admin users"""
-    conn = sqlite3.connect(DB_PATH)
-    cursor = conn.cursor()
-    
-    # Define default modules
-    default_modules = [
-        ('Inventory Counts', 'counting', 'Cycle counts and physical inventory', 'fa-clipboard-check', 1, 1),
-        ('Consumption Sheets', 'cons_sheets', 'Production consumption tracking', 'fa-clipboard-list', 1, 2),
-    ]
-    
-    # Insert modules (ignore if already exist)
-    for module in default_modules:
-        try:
-            cursor.execute('''
-                INSERT INTO Modules (module_name, module_key, description, icon, is_active, display_order)
-                VALUES (?, ?, ?, ?, ?, ?)
-            ''', module)
-        except sqlite3.IntegrityError:
-            pass  # Module already exists
-    
-    conn.commit()
-    
-    # Auto-assign all modules to owner and admin users
-    cursor.execute('SELECT user_id FROM Users WHERE role IN ("owner", "admin")')
-    admin_users = cursor.fetchall()
-    
-    cursor.execute('SELECT module_id FROM Modules')
-    all_modules = cursor.fetchall()
-    
-    for user in admin_users:
-        for module in all_modules:
-            try:
-                cursor.execute('''
-                    INSERT INTO UserModules (user_id, module_id)
-                    VALUES (?, ?)
-                ''', (user[0], module[0]))
-            except sqlite3.IntegrityError:
-                pass  # Assignment already exists
-    
-    conn.commit()
-    conn.close()
-    print("✅ Default modules created and assigned to admin users")
-
-
 if __name__ == '__main__':
    init_database()
    create_default_users()
-    create_default_modules()
+    
--- a/database/scanlook.db.backup_before_modular
+++ b/database/scanlook.db.backup_before_modular
--- a/migrations.py
+++ b/migrations.py
@@ -1,12 +1,8 @@
 """
-ScanLook Database Migration System
+ScanLook Core Database Migration System

-Simple migration system that tracks and applies database changes.
-Each migration has a version number and an up() function.
-
-Usage:
-    from migrations import run_migrations
-    run_migrations()  # Call on app startup
+IMPORTANT: This file only contains CORE system migrations.
+Module-specific migrations are in each module's migrations.py file.
 """

 import sqlite3
@@ -75,19 +71,13 @@ def table_exists(table):


 # ============================================
-# MIGRATIONS
+# CORE SYSTEM MIGRATIONS ONLY
 # ============================================
-# Add new migrations to this list.
-# Each migration is a tuple: (version, name, up_function)
-# 
-# RULES:
-# - Never modify an existing migration
-# - Always add new migrations at the end with the next version number
-# - Check if changes are needed before applying (idempotent)
+# Module-specific migrations are handled by each module's migrations.py
 # ============================================

 def migration_001_add_modules_tables():
-    """Add Modules and UserModules tables"""
+    """Add Modules and UserModules tables (if not created by init_db)"""
    conn = get_db()
    
    if not table_exists('Modules'):
@@ -141,132 +131,42 @@ def migration_002_add_usermodules_granted_columns():
    conn.close()


-def migration_003_add_default_modules():
-    """Add default modules if they don't exist"""
+def migration_003_add_module_registry():
+    """Add module_registry table for new module manager system"""
    conn = get_db()
    
-    # Check if modules exist
-    existing = conn.execute('SELECT COUNT(*) as cnt FROM Modules').fetchone()
-    
-    if existing['cnt'] == 0:
+    if not table_exists('module_registry'):
        conn.execute('''
-            INSERT INTO Modules (module_name, module_key, description, icon, is_active, display_order)
-            VALUES ('Inventory Counts', 'counting', 'Cycle counts and physical inventory', 'fa-clipboard-check', 1, 1)
+            CREATE TABLE module_registry (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                module_key TEXT UNIQUE NOT NULL,
+                name TEXT NOT NULL,
+                version TEXT NOT NULL,
+                author TEXT,
+                description TEXT,
+                is_installed INTEGER DEFAULT 0,
+                is_active INTEGER DEFAULT 0,
+                installed_at TEXT,
+                config_json TEXT
+            )
        ''')
-        conn.execute('''
-            INSERT INTO Modules (module_name, module_key, description, icon, is_active, display_order)
-            VALUES ('Consumption Sheets', 'cons_sheets', 'Production consumption tracking', 'fa-clipboard-list', 1, 2)
-        ''')
-        print("  Added default modules")
+        print("  Created module_registry table")
    
    conn.commit()
    conn.close()


-def migration_004_assign_modules_to_admins():
-    """Auto-assign all modules to owner and admin users"""
-    conn = get_db()
-    
-    # Get admin users
-    admins = conn.execute('SELECT user_id FROM Users WHERE role IN ("owner", "admin")').fetchall()
-    modules = conn.execute('SELECT module_id FROM Modules').fetchall()
-    
-    for user in admins:
-        for module in modules:
-            try:
-                conn.execute('''
-                    INSERT INTO UserModules (user_id, module_id)
-                    VALUES (?, ?)
-                ''', [user['user_id'], module['module_id']])
-            except sqlite3.IntegrityError:
-                pass  # Already assigned
-    
-    conn.commit()
-    conn.close()
-    print("  Assigned modules to admin users")
-
-
-def migration_005_add_cons_process_fields_duplicate_key():
-    """Add is_duplicate_key column to cons_process_fields if missing"""
-    conn = get_db()
-    
-    if table_exists('cons_process_fields'):
-        if not column_exists('cons_process_fields', 'is_duplicate_key'):
-            conn.execute('ALTER TABLE cons_process_fields ADD COLUMN is_duplicate_key INTEGER DEFAULT 0')
-            print("  Added is_duplicate_key column to cons_process_fields")
-    
-    conn.commit()
-    conn.close()
-
-def migration_006_add_is_deleted_to_locationcounts():
-    """Add is_deleted column to LocationCounts table"""
-    conn = get_db()
-    
-    if table_exists('LocationCounts'):
-        if not column_exists('LocationCounts', 'is_deleted'):
-            conn.execute('ALTER TABLE LocationCounts ADD COLUMN is_deleted INTEGER DEFAULT 0')
-            print("  Added is_deleted column to LocationCounts")
-    
-    conn.commit()
-    conn.close()
-
-
-def migration_007_add_detail_end_row():
-    """Add detail_end_row column to cons_processes table"""
-    conn = get_db()
-    
-    if table_exists('cons_processes'):
-        if not column_exists('cons_processes', 'detail_end_row'):
-            conn.execute('ALTER TABLE cons_processes ADD COLUMN detail_end_row INTEGER')
-            print("  Added detail_end_row column to cons_processes")
-    
-    conn.commit()
-    conn.close()
-
-
-def migration_008_add_page_height():
-    """Add page_height column to cons_processes table"""
-    conn = get_db()
-    
-    if table_exists('cons_processes'):
-        if not column_exists('cons_processes', 'page_height'):
-            conn.execute('ALTER TABLE cons_processes ADD COLUMN page_height INTEGER')
-            print("  Added page_height column to cons_processes")
-    
-    conn.commit()
-    conn.close()
-
-def migration_009_add_print_columns():
-    """Add print_start_col and print_end_col to cons_processes"""
-    conn = get_db()
-    if table_exists('cons_processes'):
-        if not column_exists('cons_processes', 'print_start_col'):
-            conn.execute('ALTER TABLE cons_processes ADD COLUMN print_start_col TEXT DEFAULT "A"')
-            print("  Added print_start_col")
-        if not column_exists('cons_processes', 'print_end_col'):
-            conn.execute('ALTER TABLE cons_processes ADD COLUMN print_end_col TEXT')
-            print("  Added print_end_col")
-    conn.commit()
-    conn.close()
-
-
-# List of all migrations in order
+# List of CORE migrations only
 MIGRATIONS = [
    (1, 'add_modules_tables', migration_001_add_modules_tables),
    (2, 'add_usermodules_granted_columns', migration_002_add_usermodules_granted_columns),
-    (3, 'add_default_modules', migration_003_add_default_modules),
-    (4, 'assign_modules_to_admins', migration_004_assign_modules_to_admins),
-    (5, 'add_cons_process_fields_duplicate_key', migration_005_add_cons_process_fields_duplicate_key),
-    (6, 'add_is_deleted_to_locationcounts', migration_006_add_is_deleted_to_locationcounts),
-    (7, 'add_detail_end_row', migration_007_add_detail_end_row),
-    (8, 'add_page_height', migration_008_add_page_height),
-    (9, 'add_print_columns', migration_009_add_print_columns),
+    (3, 'add_module_registry', migration_003_add_module_registry),
 ]


 def run_migrations():
-    """Run all pending migrations"""
-    print("🔄 Checking database migrations...")
+    """Run all pending core migrations"""
+    print("🔄 Checking core database migrations...")
    
    # Make sure migrations table exists
    init_migrations_table()
@@ -278,10 +178,10 @@ def run_migrations():
    pending = [(v, n, f) for v, n, f in MIGRATIONS if v not in applied]
    
    if not pending:
-        print("✅ Database is up to date")
+        print("✅ Core database is up to date")
        return
    
-    print(f"📦 Running {len(pending)} migration(s)...")
+    print(f"📦 Running {len(pending)} core migration(s)...")
    
    for version, name, func in pending:
        print(f"\n  Migration {version}: {name}")
@@ -293,7 +193,7 @@ def run_migrations():
            print(f"  ❌ Migration {version} failed: {e}")
            raise
    
-    print("\n✅ All migrations complete")
+    print("\n✅ All core migrations complete")


 if __name__ == '__main__':
--- a/module_manager.py
+++ b/module_manager.py
@@ -0,0 +1,359 @@
+"""
+ScanLook Module Manager
+Handles module discovery, installation, uninstallation, and activation
+"""
+
+import os
+import json
+import sqlite3
+import importlib.util
+from pathlib import Path
+from typing import List, Dict, Optional
+
+
+MODULES_DIR = Path(__file__).parent / 'modules'
+DB_PATH = Path(__file__).parent / 'database' / 'scanlook.db'
+
+
+def get_db():
+    """Get database connection (standalone, no Flask context needed)"""
+    conn = sqlite3.connect(str(DB_PATH))
+    conn.row_factory = sqlite3.Row
+    return conn
+
+
+def query_db(query, args=(), one=False):
+    """Query database and return results"""
+    conn = get_db()
+    cur = conn.execute(query, args)
+    rv = cur.fetchall()
+    conn.close()
+    return (rv[0] if rv else None) if one else rv
+
+
+def execute_db(query, args=()):
+    """Execute database command and return lastrowid"""
+    conn = get_db()
+    cur = conn.execute(query, args)
+    conn.commit()
+    last_id = cur.lastrowid
+    conn.close()
+    return last_id
+
+
+class ModuleManager:
+    """Manages ScanLook modules"""
+    
+    def __init__(self):
+        self.modules_dir = MODULES_DIR
+        self._ensure_modules_table()
+    
+    def _ensure_modules_table(self):
+        """Ensure the module_registry table exists in the database"""
+        conn = get_db()
+        conn.execute('''
+            CREATE TABLE IF NOT EXISTS module_registry (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                module_key TEXT UNIQUE NOT NULL,
+                name TEXT NOT NULL,
+                version TEXT NOT NULL,
+                author TEXT,
+                description TEXT,
+                is_installed INTEGER DEFAULT 0,
+                is_active INTEGER DEFAULT 0,
+                installed_at TEXT,
+                config_json TEXT
+            )
+        ''')
+        conn.commit()
+        conn.close()
+    
+    def scan_available_modules(self) -> List[Dict]:
+        """
+        Scan the /modules directory for available modules.
+        Returns list of module info dicts from manifest.json files.
+        """
+        available = []
+        
+        if not self.modules_dir.exists():
+            return available
+        
+        for item in self.modules_dir.iterdir():
+            if not item.is_dir():
+                continue
+            
+            manifest_path = item / 'manifest.json'
+            if not manifest_path.exists():
+                continue
+            
+            try:
+                with open(manifest_path, 'r') as f:
+                    manifest = json.load(f)
+                
+                # Validate required fields
+                required = ['module_key', 'name', 'version', 'author', 'description']
+                if not all(field in manifest for field in required):
+                    print(f"⚠️  Invalid manifest in {item.name}: missing required fields")
+                    continue
+                
+                # Check installation status from database
+                db_module = query_db(
+                    'SELECT is_installed, is_active FROM module_registry WHERE module_key = ?',
+                    [manifest['module_key']],
+                    one=True
+                )
+                
+                manifest['is_installed'] = db_module['is_installed'] if db_module else False
+                manifest['is_active'] = db_module['is_active'] if db_module else False
+                manifest['path'] = str(item)
+                
+                available.append(manifest)
+            
+            except json.JSONDecodeError as e:
+                print(f"⚠️  Invalid JSON in {manifest_path}: {e}")
+                continue
+            except Exception as e:
+                print(f"⚠️  Error reading manifest from {item.name}: {e}")
+                continue
+        
+        return sorted(available, key=lambda x: x['name'])
+    
+    def get_module_by_key(self, module_key: str) -> Optional[Dict]:
+        """Get module info by module_key"""
+        modules = self.scan_available_modules()
+        for module in modules:
+            if module['module_key'] == module_key:
+                return module
+        return None
+    
+    def install_module(self, module_key: str) -> Dict:
+        """
+        Install a module:
+        1. Load manifest
+        2. Run migrations (create tables)
+        3. Register in database
+        4. Set is_installed=1, is_active=1
+        
+        Returns: {'success': bool, 'message': str}
+        """
+        try:
+            # Get module info
+            module = self.get_module_by_key(module_key)
+            if not module:
+                return {'success': False, 'message': f'Module {module_key} not found'}
+            
+            # Check if already installed
+            if module['is_installed']:
+                return {'success': False, 'message': f'Module {module_key} is already installed'}
+            
+            # Load module's migrations
+            migrations_path = Path(module['path']) / 'migrations.py'
+            if not migrations_path.exists():
+                return {'success': False, 'message': 'Module is missing migrations.py'}
+            
+            # Import migrations module
+            spec = importlib.util.spec_from_file_location(f"{module_key}_migrations", migrations_path)
+            migrations_module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(migrations_module)
+            
+            # Run schema installation
+            print(f"\n📦 Installing module: {module['name']}")
+            
+            conn = get_db()
+            
+            # Execute schema SQL
+            if hasattr(migrations_module, 'get_schema'):
+                schema_sql = migrations_module.get_schema()
+                conn.executescript(schema_sql)
+                print(f"  ✅ Database schema created")
+            
+            # Run module-specific migrations
+            if hasattr(migrations_module, 'get_migrations'):
+                migrations = migrations_module.get_migrations()
+                for version, name, func in migrations:
+                    print(f"  Running migration {version}: {name}")
+                    func(conn)
+            
+            conn.commit()
+            
+            # Register module in database
+            existing = query_db('SELECT id FROM module_registry WHERE module_key = ?', [module_key], one=True)
+            
+            if existing:
+                execute_db('''
+                    UPDATE module_registry 
+                    SET name = ?, version = ?, author = ?, description = ?,
+                        is_installed = 1, is_active = 1, installed_at = CURRENT_TIMESTAMP
+                    WHERE module_key = ?
+                ''', [module['name'], module['version'], module['author'], 
+                      module['description'], module_key])
+            else:
+                execute_db('''
+                    INSERT INTO module_registry (module_key, name, version, author, description, 
+                                        is_installed, is_active, installed_at)
+                    VALUES (?, ?, ?, ?, ?, 1, 1, CURRENT_TIMESTAMP)
+                ''', [module_key, module['name'], module['version'], 
+                      module['author'], module['description']])
+            
+            # Also register in old Modules table for compatibility
+            old_module = query_db('SELECT module_id FROM Modules WHERE module_key = ?', [module_key], one=True)
+            if not old_module:
+                execute_db('''
+                    INSERT INTO Modules (module_name, module_key, description, is_active)
+                    VALUES (?, ?, ?, 1)
+                ''', [module['name'], module_key, module['description']])
+            
+            conn.close()
+            
+            print(f"✅ Module {module['name']} installed successfully")
+            return {'success': True, 'message': f'Module {module["name"]} installed successfully'}
+        
+        except Exception as e:
+            print(f"❌ Installation failed: {e}")
+            import traceback
+            traceback.print_exc()
+            return {'success': False, 'message': f'Installation failed: {str(e)}'}
+    
+    def uninstall_module(self, module_key: str, drop_tables: bool = True) -> Dict:
+        """
+        Uninstall a module:
+        1. Set is_installed=0, is_active=0 in database
+        2. Optionally drop all module tables
+        3. Remove from old Modules table
+        
+        Returns: {'success': bool, 'message': str}
+        """
+        try:
+            module = self.get_module_by_key(module_key)
+            if not module:
+                return {'success': False, 'message': f'Module {module_key} not found'}
+            
+            if not module['is_installed']:
+                return {'success': False, 'message': f'Module {module_key} is not installed'}
+            
+            print(f"\n🗑️  Uninstalling module: {module['name']}")
+            
+            conn = get_db()
+            
+            # Drop tables if requested
+            if drop_tables:
+                print(f"  Dropping database tables...")
+                # Load migrations to get table names
+                migrations_path = Path(module['path']) / 'migrations.py'
+                if migrations_path.exists():
+                    spec = importlib.util.spec_from_file_location(f"{module_key}_migrations", migrations_path)
+                    migrations_module = importlib.util.module_from_spec(spec)
+                    spec.loader.exec_module(migrations_module)
+                    
+                    # Get schema and extract table names
+                    if hasattr(migrations_module, 'get_schema'):
+                        schema = migrations_module.get_schema()
+                        # Simple regex to find CREATE TABLE statements
+                        import re
+                        tables = re.findall(r'CREATE TABLE IF NOT EXISTS (\w+)', schema)
+                        
+                        for table in tables:
+                            try:
+                                conn.execute(f'DROP TABLE IF EXISTS {table}')
+                                print(f"    Dropped table: {table}")
+                            except Exception as e:
+                                print(f"    Warning: Could not drop {table}: {e}")
+            
+            # Update module_registry table
+            execute_db('''
+                UPDATE module_registry 
+                SET is_installed = 0, is_active = 0
+                WHERE module_key = ?
+            ''', [module_key])
+            
+            # Remove from old Modules table
+            execute_db('DELETE FROM Modules WHERE module_key = ?', [module_key])
+            
+            # Remove user module assignments
+            old_module_id = query_db('SELECT module_id FROM Modules WHERE module_key = ?', [module_key], one=True)
+            if old_module_id:
+                execute_db('DELETE FROM UserModules WHERE module_id = ?', [old_module_id['module_id']])
+            
+            conn.commit()
+            conn.close()
+            
+            print(f"✅ Module {module['name']} uninstalled successfully")
+            return {'success': True, 'message': f'Module {module["name"]} uninstalled successfully'}
+        
+        except Exception as e:
+            print(f"❌ Uninstallation failed: {e}")
+            return {'success': False, 'message': f'Uninstallation failed: {str(e)}'}
+    
+    def activate_module(self, module_key: str) -> Dict:
+        """Activate an installed module"""
+        module = self.get_module_by_key(module_key)
+        if not module:
+            return {'success': False, 'message': f'Module {module_key} not found'}
+        
+        if not module['is_installed']:
+            return {'success': False, 'message': 'Module must be installed first'}
+        
+        execute_db('UPDATE module_registry SET is_active = 1 WHERE module_key = ?', [module_key])
+        execute_db('UPDATE Modules SET is_active = 1 WHERE module_key = ?', [module_key])
+        
+        return {'success': True, 'message': f'Module {module["name"]} activated'}
+    
+    def deactivate_module(self, module_key: str) -> Dict:
+        """Deactivate a module (keeps it installed)"""
+        module = self.get_module_by_key(module_key)
+        if not module:
+            return {'success': False, 'message': f'Module {module_key} not found'}
+        
+        execute_db('UPDATE module_registry SET is_active = 0 WHERE module_key = ?', [module_key])
+        execute_db('UPDATE Modules SET is_active = 0 WHERE module_key = ?', [module_key])
+        
+        return {'success': True, 'message': f'Module {module["name"]} deactivated'}
+    
+    def load_active_modules(self, app):
+        """
+        Load all active modules and register their blueprints with Flask app.
+        Called during app startup.
+        """
+        modules = self.scan_available_modules()
+        active_modules = [m for m in modules if m['is_installed'] and m['is_active']]
+        
+        print(f"\n🔌 Loading {len(active_modules)} active module(s)...")
+        
+        for module in active_modules:
+            try:
+                # Import module's __init__.py
+                init_path = Path(module['path']) / '__init__.py'
+                if not init_path.exists():
+                    print(f"  ⚠️  {module['name']}: Missing __init__.py")
+                    continue
+                
+                spec = importlib.util.spec_from_file_location(
+                    f"modules.{module['module_key']}", 
+                    init_path
+                )
+                module_package = importlib.util.module_from_spec(spec)
+                spec.loader.exec_module(module_package)
+                
+                # Get blueprint from create_blueprint()
+                if hasattr(module_package, 'create_blueprint'):
+                    blueprint = module_package.create_blueprint()
+                    app.register_blueprint(blueprint)
+                    print(f"  ✅ {module['name']} loaded at {module.get('routes_prefix', '/unknown')}")
+                else:
+                    print(f"  ⚠️  {module['name']}: Missing create_blueprint() function")
+            
+            except Exception as e:
+                print(f"  ❌ Failed to load {module['name']}: {e}")
+                import traceback
+                traceback.print_exc()
+        
+        print("✅ Module loading complete\n")
+
+
+# Global instance
+manager = ModuleManager()
+
+
+def get_module_manager() -> ModuleManager:
+    """Get the global module manager instance"""
+    return manager
--- a/modules/conssheets/init.py
+++ b/modules/conssheets/init.py
@@ -0,0 +1,20 @@
+"""
+Consumption Sheets Module
+Handles production lot tracking and consumption reporting
+"""
+from flask import Blueprint
+
+def create_blueprint():
+    """Create and return the conssheets blueprint"""
+    bp = Blueprint(
+        'conssheets',
+        __name__,
+        template_folder='templates',
+        url_prefix='/conssheets'
+    )
+    
+    # Import and register routes
+    from .routes import register_routes
+    register_routes(bp)
+    
+    return bp
--- a/modules/conssheets/manifest.json
+++ b/modules/conssheets/manifest.json
@@ -0,0 +1,11 @@
+{
+  "module_key": "conssheets",
+  "name": "Consumption Sheets",
+  "version": "1.0.0",
+  "author": "STUFF",
+  "description": "Production lot tracking and consumption reporting with Excel export",
+  "requires_roles": ["owner", "admin", "staff"],
+  "routes_prefix": "/conssheets",
+  "has_migrations": true,
+  "dependencies": []
+}
--- a/modules/conssheets/migrations.py
+++ b/modules/conssheets/migrations.py
@@ -0,0 +1,138 @@
+"""
+Consumption Sheets Module - Database Migrations
+Contains schema for all consumption tracking tables
+"""
+
+def get_schema():
+    """
+    Returns the complete schema SQL for this module.
+    This is used when the module is installed.
+    """
+    return """
+    -- cons_processes - Master list of consumption sheet process types
+    CREATE TABLE IF NOT EXISTS cons_processes (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        process_key TEXT UNIQUE NOT NULL,
+        process_name TEXT NOT NULL,
+        template_file BLOB,
+        template_filename TEXT,
+        rows_per_page INTEGER DEFAULT 30,
+        detail_start_row INTEGER DEFAULT 10,
+        detail_end_row INTEGER,
+        page_height INTEGER,
+        print_start_col TEXT DEFAULT 'A',
+        print_end_col TEXT,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        created_by INTEGER NOT NULL,
+        is_active INTEGER DEFAULT 1,
+        FOREIGN KEY (created_by) REFERENCES Users(user_id)
+    );
+    
+    -- cons_process_fields - Custom field definitions for each process
+    CREATE TABLE IF NOT EXISTS cons_process_fields (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        process_id INTEGER NOT NULL,
+        table_type TEXT NOT NULL CHECK(table_type IN ('header', 'detail')),
+        field_name TEXT NOT NULL,
+        field_label TEXT NOT NULL,
+        field_type TEXT NOT NULL CHECK(field_type IN ('TEXT', 'INTEGER', 'REAL', 'DATE', 'DATETIME')),
+        max_length INTEGER,
+        is_required INTEGER DEFAULT 0,
+        is_duplicate_key INTEGER DEFAULT 0,
+        is_active INTEGER DEFAULT 1,
+        sort_order INTEGER DEFAULT 0,
+        excel_cell TEXT,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (process_id) REFERENCES cons_processes(id)
+    );
+    
+    -- cons_sessions - Staff scanning sessions
+    CREATE TABLE IF NOT EXISTS cons_sessions (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        process_id INTEGER NOT NULL,
+        created_by INTEGER NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        status TEXT DEFAULT 'active' CHECK(status IN ('active', 'archived')),
+        FOREIGN KEY (process_id) REFERENCES cons_processes(id),
+        FOREIGN KEY (created_by) REFERENCES Users(user_id)
+    );
+    
+    -- cons_session_header_values - Flexible storage for header field values
+    CREATE TABLE IF NOT EXISTS cons_session_header_values (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        field_id INTEGER NOT NULL,
+        field_value TEXT,
+        FOREIGN KEY (session_id) REFERENCES cons_sessions(id),
+        FOREIGN KEY (field_id) REFERENCES cons_process_fields(id)
+    );
+    
+    -- Indexes
+    CREATE INDEX IF NOT EXISTS idx_cons_process_fields_process ON cons_process_fields(process_id, table_type);
+    CREATE INDEX IF NOT EXISTS idx_cons_process_fields_active ON cons_process_fields(process_id, is_active);
+    CREATE INDEX IF NOT EXISTS idx_cons_sessions_process ON cons_sessions(process_id, status);
+    CREATE INDEX IF NOT EXISTS idx_cons_sessions_user ON cons_sessions(created_by, status);
+    """
+
+
+def get_migrations():
+    """
+    Returns list of migrations specific to this module.
+    Format: [(version, name, up_function), ...]
+    """
+    
+    def migration_001_add_is_duplicate_key(conn):
+        """Add is_duplicate_key column to cons_process_fields"""
+        cursor = conn.cursor()
+        
+        # Check if column exists
+        cursor.execute('PRAGMA table_info(cons_process_fields)')
+        columns = [row[1] for row in cursor.fetchall()]
+        
+        if 'is_duplicate_key' not in columns:
+            cursor.execute('ALTER TABLE cons_process_fields ADD COLUMN is_duplicate_key INTEGER DEFAULT 0')
+            print("      Added is_duplicate_key column to cons_process_fields")
+    
+    def migration_002_add_detail_end_row(conn):
+        """Add detail_end_row column to cons_processes"""
+        cursor = conn.cursor()
+        
+        cursor.execute('PRAGMA table_info(cons_processes)')
+        columns = [row[1] for row in cursor.fetchall()]
+        
+        if 'detail_end_row' not in columns:
+            cursor.execute('ALTER TABLE cons_processes ADD COLUMN detail_end_row INTEGER')
+            print("      Added detail_end_row column to cons_processes")
+    
+    def migration_003_add_page_height(conn):
+        """Add page_height column to cons_processes"""
+        cursor = conn.cursor()
+        
+        cursor.execute('PRAGMA table_info(cons_processes)')
+        columns = [row[1] for row in cursor.fetchall()]
+        
+        if 'page_height' not in columns:
+            cursor.execute('ALTER TABLE cons_processes ADD COLUMN page_height INTEGER')
+            print("      Added page_height column to cons_processes")
+    
+    def migration_004_add_print_columns(conn):
+        """Add print_start_col and print_end_col to cons_processes"""
+        cursor = conn.cursor()
+        
+        cursor.execute('PRAGMA table_info(cons_processes)')
+        columns = [row[1] for row in cursor.fetchall()]
+        
+        if 'print_start_col' not in columns:
+            cursor.execute('ALTER TABLE cons_processes ADD COLUMN print_start_col TEXT DEFAULT "A"')
+            print("      Added print_start_col column to cons_processes")
+        
+        if 'print_end_col' not in columns:
+            cursor.execute('ALTER TABLE cons_processes ADD COLUMN print_end_col TEXT')
+            print("      Added print_end_col column to cons_processes")
+    
+    return [
+        (1, 'add_is_duplicate_key', migration_001_add_is_duplicate_key),
+        (2, 'add_detail_end_row', migration_002_add_detail_end_row),
+        (3, 'add_page_height', migration_003_add_page_height),
+        (4, 'add_print_columns', migration_004_add_print_columns),
+    ]
--- a/modules/conssheets/routes.py
+++ b/modules/conssheets/routes.py
--- a/modules/conssheets/templates/conssheets/add_field.html
+++ b/modules/conssheets/templates/conssheets/add_field.html
--- a/modules/conssheets/templates/conssheets/admin_processes.html
+++ b/modules/conssheets/templates/conssheets/admin_processes.html
@@ -0,0 +1,109 @@
+{% extends "base.html" %}
+
+{% block title %}Consumption Sheets - Admin - ScanLook{% endblock %}
+
+{% block content %}
+<div class="dashboard-container">
+    <div class="dashboard-header" style="margin-top: var(--space-lg);">
+        <div class="header-left" style="display: flex; align-items: center; gap: var(--space-md);">
+            <a href="{{ url_for('admin_dashboard') }}" class="btn btn-secondary btn-sm">
+                <i class="fa-solid fa-arrow-left"></i> Back to Admin
+            </a>
+            
+            <div>
+                <h1 class="page-title" style="margin-bottom: 0;{% if showing_archived %} color: var(--color-danger);{% endif %}">
+                    {{ 'Archived Processes' if showing_archived else 'Consumption Sheets' }}
+                </h1>
+                
+                <p class="page-subtitle" style="margin-bottom: var(--space-xs);">Manage process types and templates</p>
+                
+                {% if showing_archived %}
+                    <a href="{{ url_for('cons_sheets.admin_processes') }}" style="font-size: 0.85rem; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px;">
+                        <i class="fa-solid fa-eye"></i> Return to Active List
+                    </a>
+                {% else %}
+                    <a href="{{ url_for('cons_sheets.admin_processes', archived=1) }}" style="font-size: 0.85rem; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: 6px;">
+                        <i class="fa-solid fa-box-archive"></i> View Archived Processes
+                    </a>
+                {% endif %}
+            </div>
+        </div>
+        
+        <a href="{{ url_for('cons_sheets.create_process') }}" class="btn btn-primary">
+            <span class="btn-icon">+</span> New Process
+        </a>
+    </div>
+
+    {% if processes %}
+        <div class="sessions-grid">
+            {% for process in processes %}
+            <div class="session-card">
+                <div class="session-card-header" style="display: flex; justify-content: space-between; align-items: flex-start;">
+                    <div>
+                        <h3 class="session-name">{{ process.process_name }}</h3>
+                        <span class="session-type-badge">
+                            {{ process.field_count or 0 }} fields
+                        </span>
+                    </div>
+
+                    {% if showing_archived %}
+                        <form method="POST" 
+                              action="{{ url_for('cons_sheets.restore_process', process_id=process.id) }}"
+                              style="margin: 0;">
+                            <button type="submit" class="btn-icon-only" title="Restore Process" style="color: var(--color-success);">
+                                <i class="fa-solid fa-trash-arrow-up"></i>
+                            </button>
+                        </form>
+                    {% else %}
+                        <form method="POST" 
+                              action="{{ url_for('cons_sheets.delete_process', process_id=process.id) }}" 
+                              onsubmit="return confirm('Are you sure you want to delete {{ process.process_name }}?');"
+                              style="margin: 0;">
+                            <button type="submit" class="btn-icon-only" title="Delete Process">
+                                <i class="fa-solid fa-trash"></i>
+                            </button>
+                        </form>
+                    {% endif %}
+                </div>
+
+                <div class="session-meta">
+                    <div class="meta-item">
+                        <span class="meta-label">Key:</span>
+                        <span class="meta-value" style="font-family: var(--font-mono);">{{ process.process_key }}</span>
+                    </div>
+                    <div class="meta-item">
+                        <span class="meta-label">Created:</span>
+                        <span class="meta-value">{{ process.created_at[:16] if process.created_at else 'N/A' }}</span>
+                    </div>
+                    <div class="meta-item">
+                        <span class="meta-label">By:</span>
+                        <span class="meta-value">{{ process.created_by_name or 'Unknown' }}</span>
+                    </div>
+                    <div class="meta-item">
+                        <span class="meta-label">Template:</span>
+                        <span class="meta-value">{{ '✅ Uploaded' if process.template_file else '❌ None' }}</span>
+                    </div>
+                </div>
+
+                <div class="session-actions">
+                    <a href="{{ url_for('cons_sheets.process_detail', process_id=process.id) }}" class="btn btn-secondary btn-block">
+                        Configure
+                    </a>
+                </div>
+            </div>
+
+               
+            {% endfor %}
+        </div>
+    {% else %}
+        <div class="empty-state">
+            <div class="empty-icon">📝</div>
+            <h2 class="empty-title">No Processes Defined</h2>
+            <p class="empty-text">Create a process type to get started (e.g., "AD WIP")</p>
+            <a href="{{ url_for('cons_sheets.create_process') }}" class="btn btn-primary">
+                Create First Process
+            </a>
+        </div>
+    {% endif %}
+</div>
+{% endblock %}
--- a/modules/conssheets/templates/conssheets/create_process.html
+++ b/modules/conssheets/templates/conssheets/create_process.html
--- a/modules/conssheets/templates/conssheets/edit_field.html
+++ b/modules/conssheets/templates/conssheets/edit_field.html
--- a/modules/conssheets/templates/conssheets/new_session.html
+++ b/modules/conssheets/templates/conssheets/new_session.html
--- a/modules/conssheets/templates/conssheets/process_detail.html
+++ b/modules/conssheets/templates/conssheets/process_detail.html
--- a/modules/conssheets/templates/conssheets/process_fields.html
+++ b/modules/conssheets/templates/conssheets/process_fields.html
--- a/modules/conssheets/templates/conssheets/process_template.html
+++ b/modules/conssheets/templates/conssheets/process_template.html
--- a/modules/conssheets/templates/conssheets/scan_session.html
+++ b/modules/conssheets/templates/conssheets/scan_session.html
--- a/modules/conssheets/templates/conssheets/staff_index.html
+++ b/modules/conssheets/templates/conssheets/staff_index.html
--- a/modules/invcount/init.py
+++ b/modules/invcount/init.py
@@ -0,0 +1,20 @@
+"""
+Inventory Counts Module
+Handles cycle counting and physical inventory workflows
+"""
+from flask import Blueprint
+
+def create_blueprint():
+    """Create and return the invcount blueprint"""
+    bp = Blueprint(
+        'invcount',
+        __name__,
+        template_folder='templates',
+        url_prefix='/invcount'
+    )
+    
+    # Import and register routes
+    from .routes import register_routes
+    register_routes(bp)
+    
+    return bp
--- a/modules/invcount/manifest.json
+++ b/modules/invcount/manifest.json
@@ -0,0 +1,11 @@
+{
+  "module_key": "invcount",
+  "name": "Inventory Counts",
+  "version": "1.0.0",
+  "author": "STUFF",
+  "description": "Cycle counting and physical inventory workflows with session-based tracking",
+  "requires_roles": ["owner", "admin", "staff"],
+  "routes_prefix": "/invcount",
+  "has_migrations": true,
+  "dependencies": []
+}
--- a/modules/invcount/migrations.py
+++ b/modules/invcount/migrations.py
@@ -0,0 +1,158 @@
+"""
+Inventory Counts Module - Database Migrations
+Contains schema for all inventory counting tables
+"""
+
+def get_schema():
+    """
+    Returns the complete schema SQL for this module.
+    This is used when the module is installed.
+    """
+    return """
+    -- CountSessions Table
+    CREATE TABLE IF NOT EXISTS CountSessions (
+        session_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_name TEXT NOT NULL,
+        session_type TEXT NOT NULL CHECK(session_type IN ('cycle_count', 'full_physical')),
+        created_by INTEGER NOT NULL,
+        created_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        master_baseline_timestamp DATETIME,
+        current_baseline_timestamp DATETIME,
+        status TEXT DEFAULT 'active' CHECK(status IN ('active', 'completed', 'archived')),
+        branch TEXT DEFAULT 'Main',
+        FOREIGN KEY (created_by) REFERENCES Users(user_id)
+    );
+    
+    -- BaselineInventory_Master Table (Session-specific, immutable)
+    CREATE TABLE IF NOT EXISTS BaselineInventory_Master (
+        baseline_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        lot_number TEXT NOT NULL,
+        item TEXT NOT NULL,
+        description TEXT,
+        system_location TEXT NOT NULL,
+        system_bin TEXT NOT NULL,
+        system_quantity REAL NOT NULL,
+        uploaded_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id)
+    );
+    
+    -- BaselineInventory_Current Table (GLOBAL - shared across all sessions)
+    CREATE TABLE IF NOT EXISTS BaselineInventory_Current (
+        current_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        lot_number TEXT NOT NULL,
+        item TEXT NOT NULL,
+        description TEXT,
+        system_location TEXT,
+        system_bin TEXT NOT NULL,
+        system_quantity REAL NOT NULL,
+        upload_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        UNIQUE(lot_number, system_bin)
+    );
+    
+    -- LocationCounts Table
+    CREATE TABLE IF NOT EXISTS LocationCounts (
+        location_count_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        location_name TEXT NOT NULL,
+        counted_by INTEGER NOT NULL,
+        start_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        end_timestamp DATETIME,
+        status TEXT DEFAULT 'not_started' CHECK(status IN ('not_started', 'in_progress', 'completed')),
+        expected_lots_master INTEGER DEFAULT 0,
+        lots_found INTEGER DEFAULT 0,
+        lots_missing INTEGER DEFAULT 0,
+        is_deleted INTEGER DEFAULT 0,
+        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
+        FOREIGN KEY (counted_by) REFERENCES Users(user_id)
+    );
+    
+    -- ScanEntries Table
+    CREATE TABLE IF NOT EXISTS ScanEntries (
+        entry_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        location_count_id INTEGER NOT NULL,
+        lot_number TEXT NOT NULL,
+        item TEXT,
+        description TEXT,
+        scanned_location TEXT NOT NULL,
+        actual_weight REAL NOT NULL,
+        scanned_by INTEGER NOT NULL,
+        scan_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        
+        -- MASTER baseline comparison
+        master_status TEXT CHECK(master_status IN ('match', 'wrong_location', 'ghost_lot', 'missing')),
+        master_expected_location TEXT,
+        master_expected_weight REAL,
+        master_variance_lbs REAL,
+        master_variance_pct REAL,
+        
+        -- Duplicate detection
+        duplicate_status TEXT DEFAULT '00' CHECK(duplicate_status IN ('00', '01', '03', '04')),
+        duplicate_info TEXT,
+        
+        -- Metadata
+        comment TEXT,
+        is_deleted INTEGER DEFAULT 0,
+        deleted_by INTEGER,
+        deleted_timestamp DATETIME,
+        modified_timestamp DATETIME,
+        
+        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
+        FOREIGN KEY (location_count_id) REFERENCES LocationCounts(location_count_id),
+        FOREIGN KEY (scanned_by) REFERENCES Users(user_id),
+        FOREIGN KEY (deleted_by) REFERENCES Users(user_id)
+    );
+    
+    -- MissingLots Table
+    CREATE TABLE IF NOT EXISTS MissingLots (
+        missing_id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        location_count_id INTEGER,
+        lot_number TEXT NOT NULL,
+        item TEXT,
+        master_expected_location TEXT NOT NULL,
+        master_expected_quantity REAL NOT NULL,
+        current_system_location TEXT,
+        current_system_quantity REAL,
+        marked_by INTEGER NOT NULL,
+        marked_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
+        found_later TEXT DEFAULT 'N' CHECK(found_later IN ('Y', 'N')),
+        found_location TEXT,
+        FOREIGN KEY (session_id) REFERENCES CountSessions(session_id),
+        FOREIGN KEY (location_count_id) REFERENCES LocationCounts(location_count_id),
+        FOREIGN KEY (marked_by) REFERENCES Users(user_id)
+    );
+    
+    -- Indexes
+    CREATE INDEX IF NOT EXISTS idx_baseline_master_lot ON BaselineInventory_Master(session_id, lot_number);
+    CREATE INDEX IF NOT EXISTS idx_baseline_master_loc ON BaselineInventory_Master(session_id, system_location);
+    CREATE INDEX IF NOT EXISTS idx_scanentries_session ON ScanEntries(session_id);
+    CREATE INDEX IF NOT EXISTS idx_scanentries_location ON ScanEntries(location_count_id);
+    CREATE INDEX IF NOT EXISTS idx_scanentries_lot ON ScanEntries(lot_number);
+    CREATE INDEX IF NOT EXISTS idx_scanentries_deleted ON ScanEntries(is_deleted);
+    CREATE INDEX IF NOT EXISTS idx_location_counts ON LocationCounts(session_id, status);
+    """
+
+
+def get_migrations():
+    """
+    Returns list of migrations specific to this module.
+    Format: [(version, name, up_function), ...]
+    """
+    
+    def migration_001_add_is_deleted_to_locationcounts(conn):
+        """Add is_deleted column to LocationCounts table"""
+        cursor = conn.cursor()
+        
+        # Check if column exists
+        cursor.execute('PRAGMA table_info(LocationCounts)')
+        columns = [row[1] for row in cursor.fetchall()]
+        
+        if 'is_deleted' not in columns:
+            cursor.execute('ALTER TABLE LocationCounts ADD COLUMN is_deleted INTEGER DEFAULT 0')
+            print("      Added is_deleted column to LocationCounts")
+    
+    return [
+        (1, 'add_is_deleted_to_locationcounts', migration_001_add_is_deleted_to_locationcounts),
+    ]
--- a/modules/invcount/routes.py
+++ b/modules/invcount/routes.py
--- a/modules/invcount/templates/invcount/DELETE_count_session.html
+++ b/modules/invcount/templates/invcount/DELETE_count_session.html
--- a/modules/invcount/templates/invcount/admin_dashboard.html
+++ b/modules/invcount/templates/invcount/admin_dashboard.html
@@ -19,7 +19,7 @@
                <input type="checkbox" id="showArchived" {% if show_archived %}checked{% endif %} onchange="toggleArchived()">
                <span class="filter-label">Show Archived</span>
            </label>
-            <a href="{{ url_for('sessions.create_session') }}" class="btn btn-primary">
+            <a href="{{ url_for('invcount.create_session') }}" class="btn btn-primary">
                <span class="btn-icon">+</span> New Session
            </a>
        </div>
@@ -66,7 +66,7 @@
                </div>

                <div class="session-actions">
-                    <a href="{{ url_for('sessions.session_detail', session_id=session.session_id) }}" class="btn btn-secondary btn-block">
+                    <a href="{{ url_for('invcount.session_detail', session_id=session.session_id) }}" class="btn btn-secondary btn-block">
                        View Details
                    </a>
                </div>
@@ -85,7 +85,7 @@
 <script>
 function toggleArchived() {
    const checked = document.getElementById('showArchived').checked;
-    window.location.href = '{{ url_for("counting.admin_dashboard") }}' + (checked ? '?show_archived=1' : '');
+    window.location.href = '{{ url_for("invcount.admin_dashboard") }}' + (checked ? '?show_archived=1' : '');
 }
 </script>

--- a/modules/invcount/templates/invcount/count_location.html
+++ b/modules/invcount/templates/invcount/count_location.html
@@ -160,7 +160,7 @@

    <div class="finish-section">
        <div class="action-buttons-row">
-            <a href="{{ url_for('counting.my_counts', session_id=session_id) }}" class="btn btn-secondary btn-block btn-lg">
+            <a href="{{ url_for('invcount.my_counts', session_id=session_id) }}" class="btn btn-secondary btn-block btn-lg">
                ← Back to My Counts
            </a>
            {# Finish button moved to Admin Dashboard #}
@@ -216,7 +216,7 @@ document.getElementById('lotScanForm').addEventListener('submit', function(e) {
 });

 function checkDuplicate() {
-    fetch('{{ url_for("counting.scan_lot", session_id=session_id, location_count_id=location.location_count_id) }}', {
+    fetch('{{ url_for("invcount.scan_lot", session_id=session_id, location_count_id=location.location_count_id) }}', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({
@@ -285,7 +285,7 @@ function submitScan(weight) {
        return;
    }
    
-    fetch('{{ url_for("counting.scan_lot", session_id=session_id, location_count_id=location.location_count_id) }}', {
+    fetch('{{ url_for("invcount.scan_lot", session_id=session_id, location_count_id=location.location_count_id) }}', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({
@@ -585,7 +585,7 @@ function deleteFromDetail(entryId) {
 function finishLocation() {
    if (!confirm('Are you finished counting this location?')) return;
    
-    fetch('{{ url_for("counting.finish_location", session_id=session_id, location_count_id=location.location_count_id) }}', {
+    fetch('{{ url_for("invcount.finish_location", session_id=session_id, location_count_id=location.location_count_id) }}', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'}
    })
--- a/modules/invcount/templates/invcount/create_session.html
+++ b/modules/invcount/templates/invcount/create_session.html
--- a/modules/invcount/templates/invcount/my_counts.html
+++ b/modules/invcount/templates/invcount/my_counts.html
@@ -6,7 +6,7 @@
 <div class="dashboard-container">
    <div class="page-header">
        <div>
-            <a href="{{ url_for('counting.index') }}" class="breadcrumb">← Back to Sessions</a>
+            <a href="{{ url_for('invcount.index') }}" class="breadcrumb">← Back to Sessions</a>
            <h1 class="page-title">My Active Counts</h1>
            <p class="page-subtitle">{{ count_session.session_name }}</p>
            {% if not count_session.master_baseline_timestamp %}
@@ -46,7 +46,7 @@
                    </div>
                </div>
                <div class="bin-actions">
-                    <a href="{{ url_for('counting.count_location', session_id=count_session.session_id, location_count_id=bin.location_count_id) }}" class="btn btn-primary btn-block">
+                    <a href="{{ url_for('invcount.count_location', session_id=count_session.session_id, location_count_id=bin.location_count_id) }}" class="btn btn-primary btn-block">
                        Resume Counting
                    </a>
                </div>
@@ -106,7 +106,7 @@
            <button type="button" class="btn-close-modal" onclick="closeStartBinModal()">✕</button>
        </div>
        
-        <form id="startBinForm" action="{{ url_for('counting.start_bin_count', session_id=count_session.session_id) }}" method="POST">
+        <form id="startBinForm" action="{{ url_for('invcount.start_bin_count', session_id=count_session.session_id) }}" method="POST">
            <div class="form-group">
                <label class="form-label">Bin Number *</label>
                <input type="text" name="location_name" class="form-input scan-input" required autofocus placeholder="Scan or type bin number">
--- a/modules/invcount/templates/invcount/partials/_active_counters.html
+++ b/modules/invcount/templates/invcount/partials/_active_counters.html
--- a/modules/invcount/templates/invcount/session_detail.html
+++ b/modules/invcount/templates/invcount/session_detail.html
@@ -41,7 +41,7 @@
                </div>
                {% if not count_session.master_baseline_timestamp %}
                <!-- Note: Using data_imports blueprint URL -->
-                <form method="POST" action="{{ url_for('data_imports.upload_master', session_id=count_session.session_id) }}" enctype="multipart/form-data" class="upload-form">
+                <form method="POST" action="{{ url_for('invcount.upload_master', session_id=count_session.session_id) }}" enctype="multipart/form-data" class="upload-form">
                    <input type="file" name="csv_file" accept=".csv" required class="file-input">
                    <button type="submit" class="btn btn-primary btn-sm">Upload MASTER</button>
                </form>
@@ -59,7 +59,7 @@
                    {% endif %}
                </div>
                {% if count_session.master_baseline_timestamp %}
-                <form method="POST" action="{{ url_for('data_imports.upload_current', session_id=count_session.session_id) }}" enctype="multipart/form-data" class="upload-form">
+                <form method="POST" action="{{ url_for('invcount.upload_current', session_id=count_session.session_id) }}" enctype="multipart/form-data" class="upload-form">
                    <input type="hidden" name="baseline_type" value="current">
                    <input type="file" name="csv_file" accept=".csv" required class="file-input">
                    <button type="submit" class="btn btn-secondary btn-sm">
@@ -289,7 +289,7 @@ function showStatusDetails(status) {
    document.getElementById('statusModalTitle').textContent = titles[status] || 'Details';
    
    // Fetch details using the blueprint URL structure
-    fetch(`/session/${CURRENT_SESSION_ID}/status-details/${status}`)
+    fetch(`/invcount/session/${CURRENT_SESSION_ID}/status-details/${status}`)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
@@ -484,7 +484,7 @@ function showLocationDetails(locationCountId, locationName, status) {
    }
    
    // Fetch all scans for this location
-    fetch(`/location/${locationCountId}/scans`)
+    fetch(`/invcount/location/${locationCountId}/scans`)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
@@ -633,7 +633,7 @@ function closeFinalizeConfirm() {

 function confirmFinalize() {
    // Correctly points to the /finish route to trigger Missing Lot calculations
-    fetch(`/count/${CURRENT_SESSION_ID}/location/${currentLocationId}/finish`, {
+    fetch(`/invcount/count/${CURRENT_SESSION_ID}/location/${currentLocationId}/finish`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
@@ -667,7 +667,7 @@ function closeReopenConfirm() {

 function confirmReopen() {
    // Note: The /reopen endpoint is handled by blueprints/admin_locations.py
-    fetch(`/location/${currentLocationId}/reopen`, {
+    fetch(`/invcount/location/${currentLocationId}/reopen`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
@@ -700,7 +700,7 @@ document.addEventListener('keydown', function(e) {
 function archiveSession() {
    if (!confirm('Archive this session? It will be hidden from the main dashboard but can be reactivated later.')) return;
    
-    fetch('{{ url_for("sessions.archive_session", session_id=count_session.session_id) }}', {
+    fetch('{{ url_for("invcount.archive_session", session_id=count_session.session_id) }}', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'}
    })
@@ -717,7 +717,7 @@ function archiveSession() {
 function activateSession() {
    if (!confirm('Reactivate this session? It will appear on the main dashboard again.')) return;
    
-    fetch('{{ url_for("sessions.activate_session", session_id=count_session.session_id) }}', {
+    fetch('{{ url_for("invcount.activate_session", session_id=count_session.session_id) }}', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'}
    })
@@ -733,7 +733,7 @@ function activateSession() {

 function showFinalizeAllConfirm() {
    if (confirm("⚠️ WARNING: This will finalize ALL open bins in this session and calculate missing items. This cannot be undone. Are you sure?")) {
-        fetch(`/session/${CURRENT_SESSION_ID}/finalize-all`, {
+        fetch(`/invcount/session/${CURRENT_SESSION_ID}/finalize-all`, {
            method: 'POST',
            headers: {'Content-Type': 'application/json'}
        })
@@ -751,7 +751,7 @@ function showFinalizeAllConfirm() {

 function showDeleteBinConfirm() {
    if (confirm(`⚠️ DANGER: Are you sure you want to delete ALL data for ${currentLocationName}? This will hide the bin from staff and wipe any missing lot flags.`)) {
-        fetch(`/location/${currentLocationId}/delete`, {
+        fetch(`/invcount/location/${currentLocationId}/delete`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' }
        })
@@ -773,7 +773,7 @@ function showDeleteBinConfirm() {
 function refreshDashboardStats() {
    const sessionId = CURRENT_SESSION_ID;
    
-    fetch(`/session/${sessionId}/get_stats`)
+    fetch(`/invcount/session/${sessionId}/get_stats`)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
@@ -789,7 +789,7 @@ function refreshDashboardStats() {
        })
        .catch(err => console.error('Error refreshing stats:', err));

-    fetch(`/session/${sessionId}/active-counters-fragment`)
+    fetch(`/invcount/session/${sessionId}/active-counters-fragment`)
        .then(response => response.text())
        .then(html => {
            const container = document.getElementById('active-counters-container');
--- a/modules/invcount/templates/invcount/staff_dashboard.html
+++ b/modules/invcount/templates/invcount/staff_dashboard.html
@@ -26,7 +26,7 @@
    {% if sessions %}
        <div class="sessions-list">
            {% for s in sessions %}
-            <a href="{{ url_for('counting.count_session', session_id=s.session_id) }}" class="session-list-item">
+            <a href="{{ url_for('invcount.count_session', session_id=s.session_id) }}" class="session-list-item">
                <div class="session-list-info">
                    <h3 class="session-list-name">{{ s.session_name }}</h3>
                    <span class="session-list-type">{{ 'Full Physical' if s.session_type == 'full_physical' else 'Cycle Count' }}</span>
--- a/templates/admin_dashboard.html
+++ b/templates/admin_dashboard.html
@@ -4,28 +4,45 @@

 {% block content %}
 <div class="dashboard-container">
-<div class="dashboard-header" style="margin-top: var(--space-lg);">
+    <div class="dashboard-header" style="margin-top: var(--space-lg);">
        <div class="header-left" style="display: flex; align-items: center; gap: var(--space-md);">
            <a href="{{ url_for('home') }}" class="btn btn-secondary btn-sm">
                <i class="fa-solid fa-arrow-left"></i> Back to Home
            </a>
            <h1 class="page-title" style="margin-bottom: 0;">Admin Dashboard</h1>
        </div>
+        <div class="header-right">
+            <a href="{{ url_for('module_manager_ui') }}" class="btn btn-primary btn-sm">
+                <i class="fa-solid fa-puzzle-piece"></i> Module Manager
+            </a>
+        </div>
    </div>

    <div class="modules-section">
        <h2 class="section-title">Modules</h2>
-        <div class="modules-grid">
-            <a href="{{ url_for('counting.admin_dashboard') }}" class="module-card">
-                <div class="module-icon">📊</div> <h3 class="module-name">Counts</h3>
-                <p class="module-desc">Cycle counts & physical inventory</p>
-            </a>
        
-            <a href="{{ url_for('cons_sheets.admin_processes') }}" class="module-card module-card-link">
-                <div class="module-icon">📝</div> <h3 class="module-name">Consumption Sheets</h3>
-                <p class="module-desc">Production consumption tracking</p>
-            </a>
+        {% if modules %}
+        <div class="modules-grid">
+            {% for module in modules %}
+            <a href="/{{ module.module_key }}/admin" class="module-card module-card-link">
+                <div class="module-icon">
+                    {% if module.icon %}
+                        <i class="{{ module.icon }}"></i>
+                    {% else %}
+                        📦
+                    {% endif %}
                </div>
+                <h3 class="module-name">{{ module.module_name }}</h3>
+                <p class="module-desc">{{ module.description }}</p>
+            </a>
+            {% endfor %}
+        </div>
+        {% else %}
+        <div class="alert alert-info">
+            <i class="fa-solid fa-info-circle"></i> No modules installed yet.
+            <a href="{{ url_for('module_manager_ui') }}">Install modules</a> to get started.
+        </div>
+        {% endif %}
    </div>
 </div>
 {% endblock %}
--- a/templates/home.html
+++ b/templates/home.html
@@ -22,7 +22,7 @@
    {% if modules %}
        <div class="module-grid">
            {% for m in modules %}
-            <a href="{{ url_for(m.module_key + '.index') }}" class="module-card">
+            <a href="/{{ m.module_key }}" class="module-card">
                <div class="module-icon">
                    <i class="fa-solid {{ m.icon }}"></i>
                </div>
--- a/templates/module_manager.html
+++ b/templates/module_manager.html
@@ -0,0 +1,182 @@
+{% extends "base.html" %}
+
+{% block title %}Module Manager - ScanLook{% endblock %}
+
+{% block content %}
+<div class="container mt-4">
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h1><i class="fas fa-puzzle-piece"></i> Module Manager</h1>
+        <a href="{{ url_for('home') }}" class="btn btn-secondary">
+            <i class="fas fa-arrow-left"></i> Back to Home
+        </a>
+    </div>
+
+    <p class="lead">Install, uninstall, and manage ScanLook modules</p>
+
+    <div class="row">
+        {% for module in modules %}
+        <div class="col-md-6 col-lg-4 mb-4">
+            <div class="card h-100 {% if module.is_active %}border-success{% elif module.is_installed %}border-warning{% endif %}">
+                <div class="card-header {% if module.is_active %}bg-success text-white{% elif module.is_installed %}bg-warning text-dark{% else %}bg-light{% endif %}">
+                    <h5 class="mb-0">
+                        <i class="fas fa-cube"></i> {{ module.name }}
+                        <span class="badge badge-secondary float-right">v{{ module.version }}</span>
+                    </h5>
+                </div>
+                <div class="card-body">
+                    <p class="card-text">{{ module.description }}</p>
+                    
+                    <p class="mb-2">
+                        <small class="text-muted">
+                            <strong>Author:</strong> {{ module.author }}<br>
+                            <strong>Module Key:</strong> <code>{{ module.module_key }}</code>
+                        </small>
+                    </p>
+
+                    <div class="mt-3">
+                        {% if module.is_installed and module.is_active %}
+                        <span class="badge badge-success mb-2">
+                            <i class="fas fa-check-circle"></i> Active
+                        </span>
+                        {% elif module.is_installed %}
+                        <span class="badge badge-warning mb-2">
+                            <i class="fas fa-pause-circle"></i> Installed (Inactive)
+                        </span>
+                        {% else %}
+                        <span class="badge badge-secondary mb-2">
+                            <i class="fas fa-times-circle"></i> Not Installed
+                        </span>
+                        {% endif %}
+                    </div>
+                </div>
+                <div class="card-footer bg-light">
+                    {% if not module.is_installed %}
+                    <button class="btn btn-primary btn-sm btn-block" onclick="installModule('{{ module.module_key }}')">
+                        <i class="fas fa-download"></i> Install
+                    </button>
+                    {% elif module.is_active %}
+                    <button class="btn btn-warning btn-sm btn-block mb-2" onclick="deactivateModule('{{ module.module_key }}')">
+                        <i class="fas fa-pause"></i> Deactivate
+                    </button>
+                    <button class="btn btn-danger btn-sm btn-block" onclick="uninstallModule('{{ module.module_key }}')">
+                        <i class="fas fa-trash"></i> Uninstall
+                    </button>
+                    {% else %}
+                    <button class="btn btn-success btn-sm btn-block mb-2" onclick="activateModule('{{ module.module_key }}')">
+                        <i class="fas fa-play"></i> Activate
+                    </button>
+                    <button class="btn btn-danger btn-sm btn-block" onclick="uninstallModule('{{ module.module_key }}')">
+                        <i class="fas fa-trash"></i> Uninstall
+                    </button>
+                    {% endif %}
+                </div>
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+
+    {% if not modules %}
+    <div class="alert alert-info">
+        <i class="fas fa-info-circle"></i> No modules found in the <code>/modules</code> directory.
+    </div>
+    {% endif %}
+</div>
+
+<script>
+function installModule(moduleKey) {
+    if (!confirm(`Install module "${moduleKey}"?\n\nThis will create database tables and activate the module.`)) {
+        return;
+    }
+
+    fetch(`/admin/modules/${moduleKey}/install`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert(`✅ ${data.message}\n\nPlease reload the page.`);
+            location.reload();
+        } else {
+            alert(`❌ ${data.message}`);
+        }
+    })
+    .catch(error => {
+        alert(`❌ Error: ${error}`);
+    });
+}
+
+function uninstallModule(moduleKey) {
+    if (!confirm(`⚠️ UNINSTALL module "${moduleKey}"?\n\nThis will DELETE all module data and cannot be undone!`)) {
+        return;
+    }
+
+    fetch(`/admin/modules/${moduleKey}/uninstall`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert(`✅ ${data.message}\n\nPlease reload the page.`);
+            location.reload();
+        } else {
+            alert(`❌ ${data.message}`);
+        }
+    })
+    .catch(error => {
+        alert(`❌ Error: ${error}`);
+    });
+}
+
+function activateModule(moduleKey) {
+    fetch(`/admin/modules/${moduleKey}/activate`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert(`✅ ${data.message}\n\nPlease reload the page.`);
+            location.reload();
+        } else {
+            alert(`❌ ${data.message}`);
+        }
+    })
+    .catch(error => {
+        alert(`❌ Error: ${error}`);
+    });
+}
+
+function deactivateModule(moduleKey) {
+    if (!confirm(`Deactivate module "${moduleKey}"?\n\nUsers will lose access until reactivated.`)) {
+        return;
+    }
+
+    fetch(`/admin/modules/${moduleKey}/deactivate`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            alert(`✅ ${data.message}\n\nPlease reload the page.`);
+            location.reload();
+        } else {
+            alert(`❌ ${data.message}`);
+        }
+    })
+    .catch(error => {
+        alert(`❌ Error: ${error}`);
+    });
+}
+</script>
+{% endblock %}