858/07: peel EventGuide into EventGuideDbContext

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
       # context since the per-section split (nobodies-collective/Humans#858).
       run: |
         dotnet tool install --global dotnet-ef --version 10.0.*
-        for ctx in HumansDbContext SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext; do
+        for ctx in HumansDbContext SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext EventGuideDbContext; do
           dotnet ef migrations has-pending-model-changes \
             --context "$ctx" \
             --project src/Humans.Infrastructure \
@@ -174,7 +174,7 @@ jobs:
       - name: Apply per-section baselines from scratch
         run: |
           set -euo pipefail
-          for ctx in SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext; do
+          for ctx in SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext EventGuideDbContext; do
             db="humans_$(echo "$ctx" | tr '[:upper:]' '[:lower:]')"
             docker exec "${{ steps.pg.outputs.container }}" \
               psql -U humans -d postgres -c "CREATE DATABASE $db"
@@ -193,7 +193,7 @@ jobs:
           # Belt-and-suspenders: Layer 1 already runs this in the build job,
           # but re-checking after a real apply guards against any state the
           # apply step might have observed differently from a static check.
-          for ctx in HumansDbContext SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext; do
+          for ctx in HumansDbContext SystemSettingsDbContext ContainersDbContext AgentDbContext ExpensesDbContext FinanceDbContext SurveysDbContext EventGuideDbContext; do
             dotnet ef migrations has-pending-model-changes \
               --context "$ctx" \
               --project src/Humans.Infrastructure \

docs/superpowers/specs/2026-07-15-per-section-dbcontext-design.md

@@ -219,7 +219,7 @@ candidates — **(a)** re-expressed in the baseline, **(b)** dead, with justific
 | Finance | `HoldedActuals`: InsertData holded_sync_states singleton | **(a) via model**: `HoldedSyncState.HasData` |
 | Store | — none — | n/a |
 | Surveys | — none — | n/a |
-| EventGuide | `AddEventsSection`: InsertData event_categories (11 rows) | **(a) via model**: `EventCategory.HasData` |
+| EventGuide | `AddEventsSection`: InsertData event_categories (8 rows) | **(a) via model**: `EventCategory.HasData` |
 
 Every seed a candidate section owns is **model-level `HasData`**, so real-up baselines regenerate
 them with zero hand work; on existing DBs the fake-applied baseline never re-inserts (no duplicate
@@ -253,7 +253,7 @@ all nine candidate sections:
 | Gate | `gate_staff_pins.AdminEnrolled DEFAULT false` (from `20260701005052_AddGateStaffPinAdminEnrolled`) | **no** | **DEFERRED** |
 | Store | `store_orders.Year DEFAULT 0` | **no** | **DEFERRED** |
 | Expenses | `expense_lines.LineType DEFAULT 'Receipt'` | yes (`HasDefaultValue`) | clean |
-| Surveys | 7 jsonb `DEFAULT '{}'` columns | yes (`HasDefaultValueSql`) | clean |
+| Surveys | 8 jsonb `DEFAULT '{}'` columns | yes (`HasDefaultValueSql`) | clean |
 | SystemSettings, Containers, Agent, Finance, EventGuide | none | n/a | clean |
 
 **Gate and Store are deferred out of this run.** Options for unblocking them (Peter's call — all
@@ -319,7 +319,7 @@ Order (criteria: navs = 0 for all, so ranked by table count, then seeds/PK quirk
 | 4 | `858/04-expenses` | Expenses | 4 | dead data-op disposition (§5); `LineType` default is model-declared |
 | 5 | `858/05-finance` | Finance | 5 | `HasData`, identity int PK |
 | 6 | `858/06-surveys` | Surveys | 6 | owned/JSON survey config; jsonb defaults model-declared |
-| 7 | `858/07-eventguide` | EventGuide | 7 | `HasData` (11 seed rows) |
+| 7 | `858/07-eventguide` | EventGuide | 7 | `HasData` (8 seed rows) |
 | — | *(deferred)* | Gate | 3 | **§5.1 wall**: `AdminEnrolled` physical default not in model |
 | — | *(deferred)* | Store | 6 | **§5.1 wall**: `Year` physical default not in model |
 

src/Humans.Infrastructure/Data/Configurations/EventCategoryConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventCategoryConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventCategoryConfiguration : IEntityTypeConfiguration<EventCategory>
 {

src/Humans.Infrastructure/Data/Configurations/EventConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventConfiguration : IEntityTypeConfiguration<Event>
 {

src/Humans.Infrastructure/Data/Configurations/EventFavouriteConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventFavouriteConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventFavouriteConfiguration : IEntityTypeConfiguration<EventFavourite>
 {

src/Humans.Infrastructure/Data/Configurations/EventGuideSettingsConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventGuideSettingsConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventGuideSettingsConfiguration : IEntityTypeConfiguration<EventGuideSettings>
 {

src/Humans.Infrastructure/Data/Configurations/EventModerationActionConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventModerationActionConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventModerationActionConfiguration : IEntityTypeConfiguration<EventModerationAction>
 {

src/Humans.Infrastructure/Data/Configurations/EventPreferenceConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventPreferenceConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventPreferenceConfiguration : IEntityTypeConfiguration<EventPreference>
 {

src/Humans.Infrastructure/Data/Configurations/EventVenueConfiguration.cs → src/Humans.Infrastructure/Data/Configurations/EventGuide/EventVenueConfiguration.cs

@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
-namespace Humans.Infrastructure.Data.Configurations;
+namespace Humans.Infrastructure.Data.Configurations.EventGuide;
 
 public class EventVenueConfiguration : IEntityTypeConfiguration<EventVenue>
 {

src/Humans.Infrastructure/Data/EventGuideDbContext.cs

@@ -0,0 +1,47 @@
+using Humans.Domain.Entities;
+using Humans.Infrastructure.Data.Configurations.EventGuide;
+using Microsoft.EntityFrameworkCore;
+
+namespace Humans.Infrastructure.Data;
+
+/// <summary>
+/// Per-section database context for the EventGuide section
+/// (nobodies-collective/Humans#858): maps only <c>events</c>,
+/// <c>event_categories</c>, <c>event_venues</c>, <c>event_guide_settings</c>,
+/// <c>event_moderation_actions</c>, <c>event_favourites</c> and
+/// <c>event_preferences</c>, with its own
+/// <c>__EFMigrationsHistory_EventGuide</c> table and migrations under
+/// <c>Migrations/EventGuide/</c>. Same database, same connection — the split is
+/// a code-side partition of the EF model.
+/// </summary>
+/// <remarks>
+/// Internal-sealed like <see cref="HumansDbContext"/> (issue #750): repositories
+/// are the only consumers. Configurations are applied explicitly (not by
+/// assembly scanning) so this model can never accrete another section's tables.
+/// The Shifts-owned <c>event_settings</c> and <c>event_participations</c> tables
+/// stay in <see cref="HumansDbContext"/> and are deliberately absent here.
+/// </remarks>
+internal sealed class EventGuideDbContext(DbContextOptions<EventGuideDbContext> options)
+    : DbContext(options)
+{
+    public DbSet<EventGuideSettings> EventGuideSettings => Set<EventGuideSettings>();
+    public DbSet<EventCategory> EventCategories => Set<EventCategory>();
+    public DbSet<EventVenue> EventVenues => Set<EventVenue>();
+    public DbSet<Event> Events => Set<Event>();
+    public DbSet<EventModerationAction> EventModerationActions => Set<EventModerationAction>();
+    public DbSet<EventPreference> EventPreferences => Set<EventPreference>();
+    public DbSet<EventFavourite> EventFavourites => Set<EventFavourite>();
+
+    protected override void OnModelCreating(ModelBuilder builder)
+    {
+        base.OnModelCreating(builder);
+
+        builder.ApplyConfiguration(new EventGuideSettingsConfiguration());
+        builder.ApplyConfiguration(new EventCategoryConfiguration());
+        builder.ApplyConfiguration(new EventVenueConfiguration());
+        builder.ApplyConfiguration(new EventConfiguration());
+        builder.ApplyConfiguration(new EventModerationActionConfiguration());
+        builder.ApplyConfiguration(new EventPreferenceConfiguration());
+        builder.ApplyConfiguration(new EventFavouriteConfiguration());
+    }
+}

src/Humans.Infrastructure/Data/EventGuideDbContextFactory.cs

@@ -0,0 +1,33 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+
+namespace Humans.Infrastructure.Data;
+
+/// <summary>
+/// Design-time factory used by <c>dotnet ef … --context EventGuideDbContext</c>.
+/// Mirrors <see cref="HumansDbContextFactory"/>; the migrations-history table must
+/// match the runtime registration so CI's from-scratch apply records baselines in
+/// <c>__EFMigrationsHistory_EventGuide</c>.
+/// </summary>
+internal sealed class EventGuideDbContextFactory : IDesignTimeDbContextFactory<EventGuideDbContext>
+{
+    public EventGuideDbContext CreateDbContext(string[] args)
+    {
+        var connectionString =
+            Environment.GetEnvironmentVariable("ConnectionStrings__DefaultConnection")
+            ?? "Host=localhost;Database=humans_design_time;Username=humans;Password=humans";
+
+        var optionsBuilder = new DbContextOptionsBuilder<EventGuideDbContext>();
+        optionsBuilder.UseNpgsql(
+            connectionString,
+            npgsqlOptions =>
+            {
+                npgsqlOptions.UseNodaTime();
+                npgsqlOptions.MigrationsAssembly("Humans.Infrastructure");
+                npgsqlOptions.MigrationsHistoryTable("__EFMigrationsHistory_EventGuide");
+                npgsqlOptions.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
+            });
+
+        return new EventGuideDbContext(optionsBuilder.Options);
+    }
+}

src/Humans.Infrastructure/Data/HumansDbContext.cs

@@ -72,13 +72,6 @@ internal sealed class HumansDbContext(DbContextOptions<HumansDbContext> options)
     public DbSet<ShiftSignup> ShiftSignups => Set<ShiftSignup>();
     public DbSet<VolunteerEventProfile> VolunteerEventProfiles => Set<VolunteerEventProfile>();
     public DbSet<GeneralAvailability> GeneralAvailability => Set<GeneralAvailability>();
-    public DbSet<EventGuideSettings> EventGuideSettings => Set<EventGuideSettings>();
-    public DbSet<EventCategory> EventCategories => Set<EventCategory>();
-    public DbSet<EventVenue> EventVenues => Set<EventVenue>();
-    public DbSet<Event> Events => Set<Event>();
-    public DbSet<EventModerationAction> EventModerationActions => Set<EventModerationAction>();
-    public DbSet<EventPreference> EventPreferences => Set<EventPreference>();
-    public DbSet<EventFavourite> EventFavourites => Set<EventFavourite>();
     public DbSet<VolunteerBuildStatus> VolunteerBuildStatuses => Set<VolunteerBuildStatus>();
     public DbSet<FeedbackReport> FeedbackReports => Set<FeedbackReport>();
     public DbSet<FeedbackMessage> FeedbackMessages => Set<FeedbackMessage>();
@@ -122,6 +115,7 @@ internal sealed class HumansDbContext(DbContextOptions<HumansDbContext> options)
         typeof(Configurations.Expenses.ExpenseReportConfiguration).Namespace!,
         typeof(Configurations.Finance.HoldedExpenseDocConfiguration).Namespace!,
         typeof(Configurations.Surveys.SurveyConfiguration).Namespace!,
+        typeof(Configurations.EventGuide.EventConfiguration).Namespace!,
     ];
 
     protected override void OnModelCreating(ModelBuilder builder)

src/Humans.Infrastructure/Hosting/InfrastructureServiceCollectionExtensions.cs

@@ -52,6 +52,7 @@ public static IServiceCollection AddHumansPersistence(
         services.AddSectionDbContext<ExpensesDbContext>(sentinelTable: "expense_reports");
         services.AddSectionDbContext<FinanceDbContext>(sentinelTable: "holded_expense_docs");
         services.AddSectionDbContext<SurveysDbContext>(sentinelTable: "surveys");
+        services.AddSectionDbContext<EventGuideDbContext>(sentinelTable: "events");
 
         services.AddHostedService<DatabaseMigrationHostedService>();