Add Logbuch: project update blog with admin, media and API

Public archive with sidebar navigation, project pages, month archive,
search and entry pages with image blocks. Admin area for brands,
projects, post types, users, api clients, media and the entry editor
with drag and drop images, preview per audience, scheduling and
publish checks. Read and write API with bearer tokens, audience
scoping, idempotent creation, OpenAPI document and editorial guide.
Magic link login with configurable allowed domains, whole app behind
the session gate. 456 tests including design rule checks.

drizzle/0005_eager_magdalene.sql

@@ -0,0 +1,15 @@
+CREATE TYPE "public"."audit_actor_type" AS ENUM('user', 'client');--> statement-breakpoint
+CREATE TABLE "audit_log" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"actor_type" "audit_actor_type" DEFAULT 'user' NOT NULL,
+	"actor_id" text,
+	"actor_label" text,
+	"action" text NOT NULL,
+	"entity" text NOT NULL,
+	"entity_id" text,
+	"data" jsonb DEFAULT '{}'::jsonb NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE INDEX "audit_log_created" ON "audit_log" USING btree ("created_at");--> statement-breakpoint
+CREATE INDEX "audit_log_entity" ON "audit_log" USING btree ("entity","entity_id");