feat(backend): add standalone data plane

Replace the Supabase application data plane with the Node/PostgreSQL API, migrate mobile, admin, web, and MCP callers, add controlled cutover tooling, and define hardened Dokploy infrastructure.

apps/api/drizzle/0002_packs_catalog_progress.sql

@@ -0,0 +1,60 @@
+CREATE TABLE IF NOT EXISTS "categories" (
+  "id" uuid PRIMARY KEY,
+  "name" text NOT NULL,
+  "description" text,
+  "icon" text,
+  "color" text,
+  "sort_order" integer NOT NULL DEFAULT 0,
+  "is_public" boolean NOT NULL DEFAULT true,
+  "created_at" timestamptz NOT NULL DEFAULT now()
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "question_packs" (
+  "id" uuid PRIMARY KEY,
+  "name" text NOT NULL,
+  "description" text,
+  "icon" text,
+  "is_premium" boolean NOT NULL DEFAULT false,
+  "is_public" boolean NOT NULL DEFAULT true,
+  "is_explicit" boolean NOT NULL DEFAULT false,
+  "min_intensity" integer,
+  "max_intensity" integer,
+  "avg_intensity" integer,
+  "sort_order" integer NOT NULL DEFAULT 0,
+  "category_id" uuid REFERENCES "categories"("id") ON DELETE SET NULL,
+  "created_at" timestamptz NOT NULL DEFAULT now()
+);
+--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "question_packs_category_id_idx" ON "question_packs" ("category_id");
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "questions" (
+  "id" uuid PRIMARY KEY,
+  "pack_id" uuid NOT NULL REFERENCES "question_packs"("id") ON DELETE CASCADE,
+  "text" text NOT NULL,
+  "partner_text" text,
+  "intensity" integer NOT NULL DEFAULT 1 CHECK ("intensity" BETWEEN 1 AND 5),
+  "created_at" timestamptz NOT NULL DEFAULT now()
+);
+--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "questions_pack_id_idx" ON "questions" ("pack_id");
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "responses" (
+  "id" uuid PRIMARY KEY,
+  "user_id" uuid NOT NULL REFERENCES "profiles"("id") ON DELETE CASCADE,
+  "question_id" uuid NOT NULL REFERENCES "questions"("id") ON DELETE CASCADE,
+  "couple_id" uuid NOT NULL REFERENCES "couples"("id") ON DELETE CASCADE,
+  "answer" text NOT NULL CHECK ("answer" IN ('yes', 'no', 'maybe')),
+  "response_data" jsonb,
+  "created_at" timestamptz NOT NULL DEFAULT now(),
+  UNIQUE ("user_id", "question_id")
+);
+--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "responses_user_id_idx" ON "responses" ("user_id");
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "couple_packs" (
+  "couple_id" uuid NOT NULL REFERENCES "couples"("id") ON DELETE CASCADE,
+  "pack_id" uuid NOT NULL REFERENCES "question_packs"("id") ON DELETE CASCADE,
+  "enabled" boolean NOT NULL DEFAULT true,
+  "created_at" timestamptz NOT NULL DEFAULT now(),
+  PRIMARY KEY ("couple_id", "pack_id")
+);