UX tweaks, traits bug fix, adding member info

src/api/MicCheck.Api/Identities/AdminIdentityService.cs

@@ -23,6 +23,25 @@ public class AdminIdentityService(MicCheckDbContext db)
         return (total, items);
     }
 
+    public async Task<Identity?> CreateAsync(int environmentId, string identifier, CancellationToken ct = default)
+    {
+        var existing = await db.Identities
+            .FirstOrDefaultAsync(i => i.EnvironmentId == environmentId && i.Identifier == identifier, ct);
+
+        if (existing is not null)
+            return null;
+
+        var identity = new Identity
+        {
+            Identifier = identifier,
+            EnvironmentId = environmentId,
+            CreatedAt = DateTimeOffset.UtcNow,
+        };
+        db.Identities.Add(identity);
+        await db.SaveChangesAsync(ct);
+        return identity;
+    }
+
     public async Task<Identity?> FindByIdAsync(int id, int environmentId, CancellationToken ct = default)
     {
         return await db.Identities
@@ -30,6 +49,53 @@ public class AdminIdentityService(MicCheckDbContext db)
             .FirstOrDefaultAsync(i => i.Id == id && i.EnvironmentId == environmentId, ct);
     }
 
+    public async Task<TraitResponse?> UpsertTraitAsync(
+        int identityId, int environmentId, string key, string value, CancellationToken ct = default)
+    {
+        var identity = await db.Identities
+            .Include(i => i.Traits)
+            .FirstOrDefaultAsync(i => i.Id == identityId && i.EnvironmentId == environmentId, ct);
+
+        if (identity is null) return null;
+
+        var existing = identity.Traits.FirstOrDefault(t => t.Key == key);
+        if (existing is not null)
+        {
+            existing.Value = value;
+        }
+        else
+        {
+            var trait = new IdentityTrait
+            {
+                IdentityId = identityId,
+                Key = key,
+                Value = value,
+                ValueType = TraitValueType.String,
+            };
+            db.IdentityTraits.Add(trait);
+        }
+
+        await db.SaveChangesAsync(ct);
+        return new TraitResponse(key, value);
+    }
+
+    public async Task<bool> DeleteTraitAsync(
+        int identityId, int environmentId, string key, CancellationToken ct = default)
+    {
+        var identity = await db.Identities
+            .Include(i => i.Traits)
+            .FirstOrDefaultAsync(i => i.Id == identityId && i.EnvironmentId == environmentId, ct);
+
+        if (identity is null) return false;
+
+        var trait = identity.Traits.FirstOrDefault(t => t.Key == key);
+        if (trait is null) return false;
+
+        db.IdentityTraits.Remove(trait);
+        await db.SaveChangesAsync(ct);
+        return true;
+    }
+
     public async Task DeleteAsync(int id, CancellationToken ct = default)
     {
         var identity = await db.Identities.FirstOrDefaultAsync(i => i.Id == id, ct);

src/api/MicCheck.Api/Identities/CreateIdentityRequest.cs

@@ -0,0 +1,3 @@
+namespace MicCheck.Api.Identities;
+
+public record CreateIdentityRequest(string Identifier);

src/api/MicCheck.Api/Identities/TraitResponse.cs

@@ -1,6 +1,6 @@
 namespace MicCheck.Api.Identities;
 
-public record TraitResponse(string TraitKey, string TraitValue)
+public record TraitResponse(string Key, string Value)
 {
     public static TraitResponse From(IdentityTrait trait) =>
         new(trait.Key, trait.Value);

src/api/MicCheck.Api/Identities/UpsertTraitRequest.cs

@@ -0,0 +1,3 @@
+namespace MicCheck.Api.Identities;
+
+public record UpsertTraitRequest(string Key, string Value);