feat: add archive/delete/restore sessions with header preview

modules/conssheets/migrations.py

@@ -148,10 +148,46 @@ def get_migrations():
         ''')
         print("      Created cons_process_router table")
 
+    def migration_006_add_deleted_status(conn):
+        """Add 'deleted' to the status CHECK constraint"""
+        cursor = conn.cursor()
+        
+        # SQLite doesn't support ALTER COLUMN, so we need to recreate the table
+        # First, create a new table with the updated constraint
+        cursor.execute('''
+            CREATE TABLE cons_sessions_new (
+                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', 'deleted')),
+                FOREIGN KEY (process_id) REFERENCES cons_processes(id),
+                FOREIGN KEY (created_by) REFERENCES Users(user_id)
+            )
+        ''')
+        
+        # Copy data from old table
+        cursor.execute('''
+            INSERT INTO cons_sessions_new (id, process_id, created_by, created_at, status)
+            SELECT id, process_id, created_by, created_at, status
+            FROM cons_sessions
+        ''')
+        
+        # Drop old table and rename new one
+        cursor.execute('DROP TABLE cons_sessions')
+        cursor.execute('ALTER TABLE cons_sessions_new RENAME TO cons_sessions')
+        
+        # Recreate indexes
+        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)')
+        
+        print("      Updated cons_sessions status constraint to include 'deleted'")
+
     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),
         (5, 'create_router_table', migration_005_create_router_table),
+        (6, 'add_deleted_status', migration_006_add_deleted_status),
     ]