Completed:

✅ Admin: Process creation, field configuration, template upload
✅ Staff: Session list, new session (header form), scanning interface
✅ Duplicate detection (same session = blue, other session = orange)
✅ Weight entry popup, edit/delete scans

database/init_db.py

@@ -31,36 +31,7 @@ def init_database():
         created_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
     )
     ''')
-
-    # Modules Table - defines available system modules
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Modules (
-        module_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        module_name TEXT UNIQUE NOT NULL,
-        module_key TEXT UNIQUE NOT NULL,
-        description TEXT,
-        icon TEXT,
-        is_active INTEGER DEFAULT 1,
-        display_order INTEGER DEFAULT 0
-    )
-    ''')
-
-    # UserModules Table - which modules each user can access
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS UserModules (
-        user_module_id INTEGER PRIMARY KEY AUTOINCREMENT,
-        user_id INTEGER NOT NULL,
-        module_id INTEGER NOT NULL,
-        granted_by INTEGER,
-        granted_timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-        FOREIGN KEY (user_id) REFERENCES Users(user_id),
-        FOREIGN KEY (module_id) REFERENCES Modules(module_id),
-        FOREIGN KEY (granted_by) REFERENCES Users(user_id),
-        UNIQUE(user_id, module_id)
-    )
-    ''')
-
-
+    
     # CountSessions Table
     # NOTE: current_baseline_version removed - CURRENT is now global
     cursor.execute('''
@@ -195,6 +166,90 @@ def init_database():
     )
     ''')
     
+    # ============================================
+    # CONSUMPTION SHEETS MODULE TABLES
+    # ============================================
+    
+    # cons_processes - Master list of consumption sheet process types
+    cursor.execute('''
+    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,
+        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
+    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_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
+    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)
+    )
+    ''')
+    
+    # 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)
+    )
+    ''')
+    
+    # cons_session_details - Scanned lot details
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS cons_session_details (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        session_id INTEGER NOT NULL,
+        item_number TEXT,
+        lot_number TEXT NOT NULL,
+        weight REAL,
+        scanned_by INTEGER NOT NULL,
+        scanned_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        duplicate_status TEXT DEFAULT 'normal' CHECK(duplicate_status IN ('normal', 'dup_same_session', 'dup_other_session')),
+        duplicate_info TEXT,
+        comment TEXT,
+        is_deleted INTEGER DEFAULT 0,
+        FOREIGN KEY (session_id) REFERENCES cons_sessions(id),
+        FOREIGN KEY (scanned_by) REFERENCES Users(user_id)
+    )
+    ''')
+    
     # Create Indexes
     # MASTER baseline indexes
     cursor.execute('CREATE INDEX IF NOT EXISTS idx_baseline_master_lot ON BaselineInventory_Master(session_id, lot_number)')
@@ -211,6 +266,14 @@ def init_database():
     
     # 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)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_session_details_session ON cons_session_details(session_id, is_deleted)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_cons_session_details_lot ON cons_session_details(lot_number)')
+    
     conn.commit()
     conn.close()
     print(f"✅ Database initialized at: {DB_PATH}")
@@ -248,4 +311,4 @@ def create_default_users():
 
 if __name__ == '__main__':
     init_database()
-    create_default_users()
+    create_default_users()