feat: integrate platform backend and application interfaces

server/migrations/0005_v1_runtime_extensions.sql

@@ -0,0 +1,56 @@
+-- V1 runtime extension tables. The local fixture adapter mirrors these records
+-- in Store maps; production repositories must make these tables authoritative.
+-- payment_events is created by 0004 and reconciled by 0006. Keep this
+-- migration additive so fresh and upgraded databases share one schema.
+ALTER TABLE IF EXISTS payment_events ADD COLUMN IF NOT EXISTS external_event_id TEXT;
+CREATE UNIQUE INDEX IF NOT EXISTS payment_events_provider_external_idx_v1 ON payment_events(provider, external_event_id) WHERE external_event_id IS NOT NULL;
+
+CREATE TABLE IF NOT EXISTS admin_idempotency (
+  actor_id TEXT NOT NULL,
+  route TEXT NOT NULL,
+  idem_key TEXT NOT NULL,
+  request_fingerprint TEXT NOT NULL,
+  state TEXT NOT NULL,
+  status_code INTEGER,
+  response JSONB,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  PRIMARY KEY (actor_id, route, idem_key)
+);
+
+CREATE TABLE IF NOT EXISTS admin_approval_requests (
+  id UUID PRIMARY KEY,
+  kind TEXT NOT NULL,
+  requester_id TEXT NOT NULL,
+  approver_id TEXT,
+  status TEXT NOT NULL,
+  payload JSONB NOT NULL,
+  reason TEXT NOT NULL,
+  version INTEGER NOT NULL DEFAULT 1,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  expires_at TIMESTAMPTZ NOT NULL,
+  approved_at TIMESTAMPTZ,
+  executed_at TIMESTAMPTZ,
+  CHECK (approver_id IS NULL OR approver_id <> requester_id)
+);
+
+CREATE TABLE IF NOT EXISTS plan_purchases (
+  id UUID PRIMARY KEY,
+  user_id UUID NOT NULL,
+  plan_id UUID NOT NULL,
+  plan_version INTEGER NOT NULL,
+  status TEXT NOT NULL,
+  purchase_amount BIGINT NOT NULL,
+  included_balance BIGINT NOT NULL,
+  idempotency_key TEXT NOT NULL,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  paid_at TIMESTAMPTZ,
+  UNIQUE (user_id, idempotency_key)
+);
+
+CREATE TABLE IF NOT EXISTS reserve_allocations (
+  user_id UUID NOT NULL,
+  reference_id UUID NOT NULL,
+  bucket_id UUID NOT NULL,
+  amount BIGINT NOT NULL,
+  PRIMARY KEY (user_id, reference_id, bucket_id)
+);