Changeset 0.32.0 (#206)

server/database/migrations/sqlite/020_ha.sql

@@ -0,0 +1,34 @@
+-- ==========================================
+-- Chat Switchboard — 020 Multi-Replica HA
+-- ==========================================
+-- Shared state tables for multi-replica operation.
+-- v0.32.0: ws_tickets, rate_limit_counters.
+-- SQLite parity — functional for single-process test coverage.
+-- ==========================================
+
+-- =========================================
+-- WEBSOCKET TICKETS
+-- =========================================
+
+CREATE TABLE IF NOT EXISTS ws_tickets (
+    id         TEXT PRIMARY KEY,
+    user_id    TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    expires_at TEXT NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_ws_tickets_expires
+    ON ws_tickets (expires_at);
+
+-- =========================================
+-- RATE LIMIT COUNTERS
+-- =========================================
+
+CREATE TABLE IF NOT EXISTS rate_limit_counters (
+    key          TEXT NOT NULL,
+    window_start TEXT NOT NULL,
+    tokens       REAL NOT NULL DEFAULT 0,
+    PRIMARY KEY (key, window_start)
+);
+
+CREATE INDEX IF NOT EXISTS idx_rate_limit_counters_window
+    ON rate_limit_counters (window_start);