add warning table (maybe this is just a notification, later)

apps/api/migrations/0005_warning.sql

@@ -0,0 +1,21 @@
+-- Moderator-issued player warnings. The counterpart to the `report` table (0004):
+-- reports are what players submit, warnings are what a moderator hands down. Also
+-- columnar rather than a JSON blob, and likewise append-only. Owned by the `api`
+-- worker; generated from src/warnings-db.ts (SCHEMA_DDL) — keep in sync.
+--
+-- `moderator_player_id` is the acting moderator, taken from the caller's bearer
+-- token (the endpoint is gated on the `moderator` role); everything else comes
+-- from the form body. `display_reason` is what the warned player is shown,
+-- `moderator_note` is internal.
+
+CREATE TABLE IF NOT EXISTS warning (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  moderator_player_id INTEGER NOT NULL,
+  warned_player_id INTEGER NOT NULL,
+  report_category INTEGER NOT NULL DEFAULT 0,
+  display_reason TEXT,
+  moderator_note TEXT,
+  created_at TEXT NOT NULL
+  );
+CREATE INDEX IF NOT EXISTS idx_warning_warned ON warning (warned_player_id);
+CREATE INDEX IF NOT EXISTS idx_warning_moderator ON warning (moderator_player_id);