diff --git a/asm_app/public/hospital.png b/asm_app/public/hospital.png
new file mode 100644
index 0000000..a0165d9
Binary files /dev/null and b/asm_app/public/hospital.png differ
diff --git a/asm_app/src/config/api.ts b/asm_app/src/config/api.ts
index bb3a2a7..179026e 100644
--- a/asm_app/src/config/api.ts
+++ b/asm_app/src/config/api.ts
@@ -1,3 +1,5 @@
+import { DEFAULT_FRAPPE_BASE_URL } from './defaults';
+
 // API Configuration Types
 interface ApiConfig {
   BASE_URL: string;
@@ -7,8 +9,10 @@ interface ApiConfig {
 }
 
 const API_CONFIG: ApiConfig = {
-  // Use same-origin relative URLs in production so the app works on any domain.
-  BASE_URL: import.meta.env.VITE_FRAPPE_BASE_URL || '',
+  // Backend URL - Use proxy in development, direct URL in production
+  BASE_URL: import.meta.env.DEV 
+    ? '' // Use relative URLs in development (goes through Vite proxy)
+    : import.meta.env.VITE_FRAPPE_BASE_URL || DEFAULT_FRAPPE_BASE_URL,
   
   // API Endpoints
   ENDPOINTS: {
diff --git a/asm_app/src/config/defaults.ts b/asm_app/src/config/defaults.ts
new file mode 100644
index 0000000..55e84fb
--- /dev/null
+++ b/asm_app/src/config/defaults.ts
@@ -0,0 +1,13 @@
+/**
+ * Default Application Configurations & Fallbacks for Assir ASM UI App
+ * Centralized constants for hospital/tenant names, default warehouses, logos, and endpoints.
+ */
+
+export const DEFAULT_HOSPITAL = 'Assir Central Hospital';
+export const DEFAULT_WAREHOUSE = 'Stores - AGH';
+
+// Fallback Frappe Backend Base URL
+export const DEFAULT_FRAPPE_BASE_URL = 'https://asir-ch.seeraarabia.com';
+
+// Default logos
+export const DEFAULT_HOSPITAL_LOGO = '/files/hospital.png';
diff --git a/asm_app/src/pages/WorkOrderDetail.tsx b/asm_app/src/pages/WorkOrderDetail.tsx
index e679998..8652cd5 100644
--- a/asm_app/src/pages/WorkOrderDetail.tsx
+++ b/asm_app/src/pages/WorkOrderDetail.tsx
@@ -17,6 +17,7 @@ import CommentSection from '../components/CommentSection';
 import WoFeedbackSummary from '../components/WoFeedbackSummary';
 import apiService from '../services/apiService';
 import API_CONFIG from '../config/api';
+import { DEFAULT_WAREHOUSE } from '../config/defaults';
 import useDefaultHospital from '../hooks/useDefaultHospital';
 import { isSiteEnabledHospital, buildMobileTeamSiteFilters } from '../utils/hospitalUtils';
 import useUserPhccSiteFilter from '../hooks/useUserPhccSiteFilter';
@@ -339,9 +340,6 @@ const WorkOrderDetail: React.FC = () => {
     docData: workOrderDocData, // Pass document data for condition evaluation
   });
 
-  // Default warehouse for new stock items
-  const DEFAULT_WAREHOUSE = 'Al Jouf Central Warehouse - AJH';
-
   // Stock warnings state
   const [stockWarnings, setStockWarnings] = useState<Record<number, string>>({});
 
diff --git a/asm_ui_app/hooks.py b/asm_ui_app/hooks.py
index 032c1ed..38d4a88 100644
--- a/asm_ui_app/hooks.py
+++ b/asm_ui_app/hooks.py
@@ -83,7 +83,8 @@ app_license = "mit"
 # ------------
 
 # before_install = "asm_ui_app.install.before_install"
-# after_install = "asm_ui_app.install.after_install"
+after_install = "asm_ui_app.install.after_install"
+after_migrate = "asm_ui_app.install.after_migrate"
 
 # Uninstallation
 # ------------
diff --git a/asm_ui_app/install.py b/asm_ui_app/install.py
new file mode 100644
index 0000000..9036bc9
--- /dev/null
+++ b/asm_ui_app/install.py
@@ -0,0 +1,64 @@
+import os
+import frappe
+
+
+def after_install():
+	"""Executed after the app is installed on a site."""
+	setup_default_files()
+
+
+def after_migrate():
+	"""Executed after 'bench migrate' is run on a site."""
+	setup_default_files()
+
+
+def setup_default_files():
+	"""Ensure default app assets (e.g., hospital.png) are added to the Frappe File DocType.
+
+	This makes the image available at '/files/hospital.png' and visible in Desk File List.
+	"""
+	files_to_setup = [
+		{
+			"file_name": "hospital.png",
+			"relative_path": ["public", "images", "hospital.png"],
+			"fallback_relative_path": ["public", "asm_app", "hospital.png"],
+			"is_private": 0,
+			"folder": "Home",
+		}
+	]
+
+	for item in files_to_setup:
+		file_name = item["file_name"]
+
+		# 1. Check if the file already exists in File DocType
+		if frappe.db.exists("File", {"file_name": file_name}) or frappe.db.exists("File", {"file_url": f"/files/{file_name}"}):
+			continue
+
+		# 2. Locate the source file in app directory
+		source_path = frappe.get_app_path("asm_ui_app", *item["relative_path"])
+		if not os.path.exists(source_path) and "fallback_relative_path" in item:
+			source_path = frappe.get_app_path("asm_ui_app", *item["fallback_relative_path"])
+
+		if not os.path.exists(source_path):
+			frappe.logger().warning(f"[asm_ui_app] Source file not found for default file setup: {source_path}")
+			continue
+
+		# 3. Read binary content
+		with open(source_path, "rb") as f:
+			file_content = f.read()
+
+		# 4. Create Frappe File document
+		# Setting is_private=0 and providing content automatically writes to sites/<site>/public/files/<file_name>
+		try:
+			file_doc = frappe.get_doc({
+				"doctype": "File",
+				"file_name": file_name,
+				"content": file_content,
+				"is_private": item.get("is_private", 0),
+				"folder": item.get("folder", "Home"),
+			})
+			file_doc.insert(ignore_permissions=True)
+			frappe.db.commit()
+			frappe.logger().info(f"[asm_ui_app] Successfully added default file '{file_name}' to File DocType.")
+		except Exception as e:
+			frappe.logger().error(f"[asm_ui_app] Failed to add default file '{file_name}' to File DocType: {e}")
diff --git a/asm_ui_app/public/asm_app/hospital.png b/asm_ui_app/public/asm_app/hospital.png
new file mode 100644
index 0000000..a0165d9
Binary files /dev/null and b/asm_ui_app/public/asm_app/hospital.png differ
diff --git a/asm_ui_app/public/images/hospital.png b/asm_ui_app/public/images/hospital.png
new file mode 100644
index 0000000..a0165d9
Binary files /dev/null and b/asm_ui_app/public/images/hospital.png differ