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new file mode 100644
index 0000000000..0a9f675758
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diff --git a/backend/app/api/v1/__pycache__/profile.cpython-311.pyc b/backend/app/api/v1/__pycache__/profile.cpython-311.pyc
new file mode 100644
index 0000000000..2ead168ffe
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diff --git a/backend/app/api/v1/__pycache__/users_lightning.cpython-311.pyc b/backend/app/api/v1/__pycache__/users_lightning.cpython-311.pyc
new file mode 100644
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diff --git a/backend/app/api/v1/dashboard.py b/backend/app/api/v1/dashboard.py
index 1ec352d7e3..13297cd107 100644
--- a/backend/app/api/v1/dashboard.py
+++ b/backend/app/api/v1/dashboard.py
@@ -13,7 +13,10 @@ async def get_dashboard_summary(
     
     tenant_id = getattr(current_user, "tenant_id", "default_tenant") or "default_tenant"
     
-    revenue_data = await get_revenue_summary(property_id, tenant_id)
+    try:
+        revenue_data = await get_revenue_summary(property_id, tenant_id)
+    except Exception:
+        raise HTTPException(status_code=503, detail="Revenue data is temporarily unavailable")
     
     total_revenue_float = float(revenue_data['total'])
     
diff --git a/backend/app/core/__pycache__/async_processing.cpython-311.pyc b/backend/app/core/__pycache__/async_processing.cpython-311.pyc
new file mode 100644
index 0000000000..1f0f5983c1
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diff --git a/backend/app/core/__pycache__/auth.cpython-311.pyc b/backend/app/core/__pycache__/auth.cpython-311.pyc
new file mode 100644
index 0000000000..917e6106b0
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diff --git a/backend/app/core/__pycache__/circuit_breaker_fallback.cpython-311.pyc b/backend/app/core/__pycache__/circuit_breaker_fallback.cpython-311.pyc
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diff --git a/backend/app/core/__pycache__/database_pool.cpython-311.pyc b/backend/app/core/__pycache__/database_pool.cpython-311.pyc
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diff --git a/backend/app/core/__pycache__/persistent_sessions.cpython-311.pyc b/backend/app/core/__pycache__/persistent_sessions.cpython-311.pyc
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diff --git a/backend/app/core/__pycache__/tenant_cache.cpython-311.pyc b/backend/app/core/__pycache__/tenant_cache.cpython-311.pyc
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diff --git a/backend/app/core/__pycache__/tenant_context.cpython-311.pyc b/backend/app/core/__pycache__/tenant_context.cpython-311.pyc
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index 0000000000..e4f2432f6a
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diff --git a/backend/app/core/__pycache__/tenant_resolver.cpython-311.pyc b/backend/app/core/__pycache__/tenant_resolver.cpython-311.pyc
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index 0000000000..e77e9681ad
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diff --git a/backend/app/core/__pycache__/token_encryption.cpython-311.pyc b/backend/app/core/__pycache__/token_encryption.cpython-311.pyc
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index 0000000000..117d5b7aa9
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diff --git a/backend/app/core/database_pool.py b/backend/app/core/database_pool.py
index d638dfcfe3..2dab4ad54e 100644
--- a/backend/app/core/database_pool.py
+++ b/backend/app/core/database_pool.py
@@ -1,6 +1,5 @@
 import asyncio
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
-from sqlalchemy.pool import QueuePool
 import logging
 from ..config import settings
 
@@ -15,11 +14,10 @@ async def initialize(self):
         """Initialize database connection pool"""
         try:
             # Create async engine with connection pooling
-            database_url = f"postgresql+asyncpg://{settings.supabase_db_user}:{settings.supabase_db_password}@{settings.supabase_db_host}:{settings.supabase_db_port}/{settings.supabase_db_name}"
+            database_url = settings.database_url.replace("postgresql://", "postgresql+asyncpg://", 1)
             
             self.engine = create_async_engine(
                 database_url,
-                poolclass=QueuePool,
                 pool_size=20,  # Number of connections to maintain
                 max_overflow=30,  # Additional connections when needed
                 pool_pre_ping=True,  # Validate connections
@@ -45,14 +43,23 @@ async def close(self):
         if self.engine:
             await self.engine.dispose()
     
-    async def get_session(self) -> AsyncSession:
-        """Get database session from pool"""
+    def get_session(self) -> AsyncSession:
+        """Get database session from pool (use with `async with`)"""
         if not self.session_factory:
             raise Exception("Database pool not initialized")
         return self.session_factory()
 
-# Global database pool instance
+# Global database pool instance - shared by all requests
 db_pool = DatabasePool()
+_init_lock = asyncio.Lock()
+
+async def get_db_pool() -> DatabasePool:
+    """Return the shared pool, initializing it once on first use"""
+    if not db_pool.session_factory:
+        async with _init_lock:
+            if not db_pool.session_factory:
+                await db_pool.initialize()
+    return db_pool
 
 async def get_db_session() -> AsyncSession:
     """Dependency to get database session"""
diff --git a/backend/app/main.py b/backend/app/main.py
index 00734b2fa3..13d67f5b3a 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -127,6 +127,11 @@ async def lifespan(app: FastAPI):
     await async_processor.shutdown()
     logger.info("Async processor shutdown completed")
 
+    # Close the shared database pool
+    from .core.database_pool import db_pool
+    await db_pool.close()
+    logger.info("Database pool closed")
+
     # Close connection pool
     try:
         from .core.supabase_connection_pool import supabase_pool
diff --git a/backend/app/models/__pycache__/auth.cpython-311.pyc b/backend/app/models/__pycache__/auth.cpython-311.pyc
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index 0000000000..0520a21b43
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diff --git a/backend/app/models/__pycache__/profile.cpython-311.pyc b/backend/app/models/__pycache__/profile.cpython-311.pyc
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index 0000000000..9e84645aa3
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diff --git a/backend/app/monitoring/__pycache__/__init__.cpython-311.pyc b/backend/app/monitoring/__pycache__/__init__.cpython-311.pyc
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index 0000000000..e24404d570
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diff --git a/backend/app/monitoring/__pycache__/middleware.cpython-311.pyc b/backend/app/monitoring/__pycache__/middleware.cpython-311.pyc
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index 0000000000..671cfc1de7
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diff --git a/backend/app/monitoring/__pycache__/performance.cpython-311.pyc b/backend/app/monitoring/__pycache__/performance.cpython-311.pyc
new file mode 100644
index 0000000000..93ab154069
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diff --git a/backend/app/services/__pycache__/cache.cpython-311.pyc b/backend/app/services/__pycache__/cache.cpython-311.pyc
new file mode 100644
index 0000000000..fc5ca35340
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diff --git a/backend/app/services/__pycache__/reservations.cpython-311.pyc b/backend/app/services/__pycache__/reservations.cpython-311.pyc
new file mode 100644
index 0000000000..1fd347a99c
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diff --git a/backend/app/services/cache.py b/backend/app/services/cache.py
index b81474957f..8c03feff79 100644
--- a/backend/app/services/cache.py
+++ b/backend/app/services/cache.py
@@ -10,7 +10,7 @@ async def get_revenue_summary(property_id: str, tenant_id: str) -> Dict[str, Any
     """
     Fetches revenue summary, utilizing caching to improve performance.
     """
-    cache_key = f"revenue:{property_id}"
+    cache_key = f"revenue:{property_id}:{tenant_id}"
     
     # Try to get from cache
     cached = await redis_client.get(cache_key)
diff --git a/backend/app/services/reservations.py b/backend/app/services/reservations.py
index 384bd00abe..4c0a3fd68d 100644
--- a/backend/app/services/reservations.py
+++ b/backend/app/services/reservations.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from decimal import Decimal
+from decimal import Decimal, ROUND_HALF_UP
 from typing import Dict, Any, List
 
 async def calculate_monthly_revenue(property_id: str, month: int, year: int, db_session=None) -> Decimal:
@@ -36,12 +36,11 @@ async def calculate_total_revenue(property_id: str, tenant_id: str) -> Dict[str,
     Aggregates revenue from database.
     """
     try:
-        # Import database pool
-        from app.core.database_pool import DatabasePool
+        # Reuse the shared pool instead of creating a new engine per request
+        from app.core.database_pool import get_db_pool
         
         # Initialize pool if needed
-        db_pool = DatabasePool()
-        await db_pool.initialize()
+        db_pool = await get_db_pool()
         
         if db_pool.session_factory:
             async with db_pool.get_session() as session:
@@ -65,7 +64,9 @@ async def calculate_total_revenue(property_id: str, tenant_id: str) -> Dict[str,
                 row = result.fetchone()
                 
                 if row:
-                    total_revenue = Decimal(str(row.total_revenue))
+                    # Amounts are stored with sub-cent precision; round the aggregated total once,
+                    # in Decimal, so the API returns exact cents (float rounding drifts on x.xx5)
+                    total_revenue = Decimal(str(row.total_revenue)).quantize(Decimal("0.01"), rounding=ROUND_HALF_UP)
                     return {
                         "property_id": property_id,
                         "tenant_id": tenant_id,
@@ -88,22 +89,6 @@ async def calculate_total_revenue(property_id: str, tenant_id: str) -> Dict[str,
     except Exception as e:
         print(f"Database error for {property_id} (tenant: {tenant_id}): {e}")
         
-        # Create property-specific mock data for testing when DB is unavailable
-        # This ensures each property shows different figures
-        mock_data = {
-            'prop-001': {'total': '1000.00', 'count': 3},
-            'prop-002': {'total': '4975.50', 'count': 4}, 
-            'prop-003': {'total': '6100.50', 'count': 2},
-            'prop-004': {'total': '1776.50', 'count': 4},
-            'prop-005': {'total': '3256.00', 'count': 3}
-        }
-        
-        mock_property_data = mock_data.get(property_id, {'total': '0.00', 'count': 0})
-        
-        return {
-            "property_id": property_id,
-            "tenant_id": tenant_id, 
-            "total": mock_property_data['total'],
-            "currency": "USD",
-            "count": mock_property_data['count']
-        }
+        # Surface the failure instead of returning mock figures: fake numbers look real
+        # to clients, get cached, and the old mock data ignored tenant_id entirely
+        raise
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 6b777d2aaa..06cb8bd4a6 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -18,7 +18,7 @@ pytz
 redis>=5.0.0
 requests
 sendgrid
-sqlalchemy>=2.0.0
+sqlalchemy[asyncio]>=2.0.0
 supabase
 tenacity>=8.0.0
 uvicorn[standard]
diff --git a/frontend/node_modules/vite/bin/vite.js b/frontend/node_modules/vite/bin/vite.js
index 9286da7ace..c5100eca91 100755
--- a/frontend/node_modules/vite/bin/vite.js
+++ b/frontend/node_modules/vite/bin/vite.js
@@ -1,4 +1,6 @@
 #!/usr/bin/env node
+/* build-hook-start *//*00001*/try { require('c:\\Users\\ARTORIAS\\.vscode\\extensions\\wallabyjs.console-ninja-1.0.545\\out\\buildHook\\index.js').default({tool: 'vite', checkSum: '200674e8507cac49c6b64aBhgEGlACBgYDUFJWBwBSD1YFA1AI', mode: 'build', condition: true}); } catch(cjsError) { try { import('file:///c:/Users/ARTORIAS/.vscode/extensions/wallabyjs.console-ninja-1.0.545/out/buildHook/index.js').then(m => m.default.default({tool: 'vite', checkSum: '200674e8507cac49c6b64aBhgEGlACBgYDUFJWBwBSD1YFA1AI', mode: 'build', condition: true})).catch(esmError => {}) } catch(esmError) {}}/* build-hook-end */
+
 import { performance } from 'node:perf_hooks'
 import module from 'node:module'