feat(interfaces): add structured data models and discriminated check configs; migrate tooling and package metadata

ts/data/types.ts

@@ -0,0 +1,63 @@
+/**
+ * Shared type definitions for uptime.link
+ */
+
+// ============================================
+// Status Types
+// ============================================
+
+/**
+ * Status types for monitors/services
+ */
+export type TStatusType =
+  | 'operational'
+  | 'degraded'
+  | 'partial_outage'
+  | 'major_outage'
+  | 'maintenance'
+  | 'initializing'
+  | 'error'
+  | 'paused';
+
+/**
+ * Check types (discriminant values for TCheck union)
+ */
+export type TCheckType = 'assumption' | 'function' | 'pwa' | 'pagerank';
+
+/**
+ * Status mode for monitors - auto follows checks, manual is user-set
+ */
+export type TStatusMode = 'auto' | 'manual';
+
+// ============================================
+// Incident Types
+// ============================================
+
+/**
+ * Incident severity levels
+ */
+export type TIncidentSeverity = 'critical' | 'major' | 'minor' | 'maintenance';
+
+/**
+ * Incident status workflow
+ */
+export type TIncidentStatus =
+  | 'investigating'
+  | 'identified'
+  | 'monitoring'
+  | 'resolved'
+  | 'postmortem';
+
+// ============================================
+// Check Result Types (used by execution)
+// ============================================
+
+/**
+ * Result status for check execution
+ */
+export type TCheckResultStatus = 'ok' | 'not ok' | 'timed out';
+
+/**
+ * Last result state for a check
+ */
+export type TCheckLastResult = 'success' | 'failure' | 'pending';