Server now silently fails with no PostgreSQL

Chrono/Server/Controllers/NotesController.cs

@@ -18,28 +18,44 @@ public class NotesController : ControllerBase
     [HttpGet("{cardName}")]
     public async Task<ActionResult<CardNote>> GetNote(string cardName)
     {
-        var note = await _context.CardNotes.FindAsync(cardName);
-        if (note == null)
+        try
         {
+            var note = await _context.CardNotes.FindAsync(cardName);
+            if (note == null)
+            {
+                return Ok(new CardNote { CardName = cardName, Note = "" });
+            }
+            return Ok(note);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[WARNING] Could not retrieve note from database: {ex.Message}");
             return Ok(new CardNote { CardName = cardName, Note = "" });
         }
-        return Ok(note);
     }
 
     [HttpPost]
     public async Task<ActionResult<CardNote>> UpdateNote(CardNote note)
     {
-        var existing = await _context.CardNotes.FindAsync(note.CardName);
-        if (existing == null)
+        try
         {
-            _context.CardNotes.Add(note);
-        }
-        else
-        {
-            existing.Note = note.Note;
-        }
+            var existing = await _context.CardNotes.FindAsync(note.CardName);
+            if (existing == null)
+            {
+                _context.CardNotes.Add(note);
+            }
+            else
+            {
+                existing.Note = note.Note;
+            }
 
-        await _context.SaveChangesAsync();
+            await _context.SaveChangesAsync();
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[WARNING] Could not save note to database: {ex.Message}");
+        }
+        
         return Ok(note);
     }
 }

Chrono/Server/Program.cs

@@ -10,15 +10,30 @@ builder.Services.AddRazorPages();
 
 var connectionString = builder.Configuration.GetConnectionString("DefaultConnection");
 builder.Services.AddDbContext<AppDbContext>(options =>
-    options.UseNpgsql(connectionString));
+{
+    if (!string.IsNullOrEmpty(connectionString))
+    {
+        options.UseNpgsql(connectionString);
+    }
+});
 
 var app = builder.Build();
 
 // Apply migrations
 using (var scope = app.Services.CreateScope())
 {
-    var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
-    db.Database.Migrate();
+    try
+    {
+        var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+        if (!string.IsNullOrEmpty(connectionString))
+        {
+            db.Database.Migrate();
+        }
+    }
+    catch (Exception ex)
+    {
+        Console.WriteLine($"[WARNING] Database migration failed: {ex.Message}. The application will continue without a database connection.");
+    }
 }
 
 // Configure the HTTP request pipeline.