feat(church-profile): add AI provider/model/key columns + migration

API/ROLAC.API/Data/AppDbContext.cs

@@ -309,6 +309,11 @@ public class AppDbContext : IdentityDbContext<AppUser, AppRole, string>
             entity.Property(e => e.Website).HasMaxLength(300);
             entity.Property(e => e.CreatedBy).HasMaxLength(450);
             entity.Property(e => e.UpdatedBy).HasMaxLength(450);
+            entity.Property(e => e.AiProvider).HasMaxLength(20).HasDefaultValue("Claude");
+            entity.Property(e => e.ClaudeModel).HasMaxLength(100).HasDefaultValue("claude-haiku-4-5-20251001");
+            entity.Property(e => e.ClaudeApiKey).HasMaxLength(500);
+            entity.Property(e => e.GeminiModel).HasMaxLength(100).HasDefaultValue("gemini-2.5-flash-lite");
+            entity.Property(e => e.GeminiApiKey).HasMaxLength(500);
             // Optimistic-concurrency token for safe check-number allocation.
             entity.Property(e => e.xmin).IsRowVersion();
         });

API/ROLAC.API/Entities/ChurchProfile.cs

@@ -21,6 +21,13 @@ public class ChurchProfile : AuditableEntity, IAuditable
     public string? BankAccountNumber { get; set; }
     public string? BankRoutingNumber { get; set; }
 
+    // ── AI assist provider settings (editable via Church Profile → AI 設定 tab) ──
+    public string  AiProvider   { get; set; } = "Claude";   // "Claude" | "Gemini"
+    public string? ClaudeModel  { get; set; } = "claude-haiku-4-5-20251001";
+    public string? ClaudeApiKey { get; set; }                // secret, stored plaintext
+    public string? GeminiModel  { get; set; } = "gemini-2.5-flash-lite";
+    public string? GeminiApiKey { get; set; }                // secret, stored plaintext
+
     /// <summary>Next check number to allocate; consumed (++) when a check is issued.</summary>
     public int     NextCheckNumber   { get; set; } = 1001;
 

API/ROLAC.API/Migrations/20260625200631_AddChurchAiSettings.cs

@@ -0,0 +1,76 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ROLAC.API.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddChurchAiSettings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "AiProvider",
+                table: "ChurchProfiles",
+                type: "character varying(20)",
+                maxLength: 20,
+                nullable: false,
+                defaultValue: "Claude");
+
+            migrationBuilder.AddColumn<string>(
+                name: "ClaudeApiKey",
+                table: "ChurchProfiles",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "ClaudeModel",
+                table: "ChurchProfiles",
+                type: "character varying(100)",
+                maxLength: 100,
+                nullable: true,
+                defaultValue: "claude-haiku-4-5-20251001");
+
+            migrationBuilder.AddColumn<string>(
+                name: "GeminiApiKey",
+                table: "ChurchProfiles",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "GeminiModel",
+                table: "ChurchProfiles",
+                type: "character varying(100)",
+                maxLength: 100,
+                nullable: true,
+                defaultValue: "gemini-2.5-flash-lite");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "AiProvider",
+                table: "ChurchProfiles");
+
+            migrationBuilder.DropColumn(
+                name: "ClaudeApiKey",
+                table: "ChurchProfiles");
+
+            migrationBuilder.DropColumn(
+                name: "ClaudeModel",
+                table: "ChurchProfiles");
+
+            migrationBuilder.DropColumn(
+                name: "GeminiApiKey",
+                table: "ChurchProfiles");
+
+            migrationBuilder.DropColumn(
+                name: "GeminiModel",
+                table: "ChurchProfiles");
+        }
+    }
+}

API/ROLAC.API/Migrations/AppDbContextModelSnapshot.cs

@@ -439,6 +439,13 @@ namespace ROLAC.API.Migrations
                         .HasMaxLength(500)
                         .HasColumnType("character varying(500)");
 
+                    b.Property<string>("AiProvider")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)")
+                        .HasDefaultValue("Claude");
+
                     b.Property<string>("BankAccountNumber")
                         .HasMaxLength(50)
                         .HasColumnType("character varying(50)");
@@ -455,6 +462,16 @@ namespace ROLAC.API.Migrations
                         .HasMaxLength(100)
                         .HasColumnType("character varying(100)");
 
+                    b.Property<string>("ClaudeApiKey")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)");
+
+                    b.Property<string>("ClaudeModel")
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasDefaultValue("claude-haiku-4-5-20251001");
+
                     b.Property<DateTimeOffset>("CreatedAt")
                         .HasColumnType("timestamp with time zone");
 
@@ -467,6 +484,16 @@ namespace ROLAC.API.Migrations
                         .HasMaxLength(200)
                         .HasColumnType("character varying(200)");
 
+                    b.Property<string>("GeminiApiKey")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)");
+
+                    b.Property<string>("GeminiModel")
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasDefaultValue("gemini-2.5-flash-lite");
+
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(200)