blog: open the EDGE AI, AUTOMATION and OBSERVABILITY arcs

Three arc-opening posts, each with hero and diagram:
- probation-for-models (EDGE AI 01)
- one-value-many-enforcers (AUTOMATION 01)
- six-days-of-silence (OBSERVABILITY 01)

src/data/series.ts

@@ -37,4 +37,13 @@ export const series: Record<string, { name: string; number: number }> = {
   "sleep-half-the-fleet": { name: "PLATFORM SERIES", number: 5 },
   "restore-or-rumour": { name: "PLATFORM SERIES", number: 6 },
   "stage-the-locks": { name: "PLATFORM SERIES", number: 7 },
+
+  // EDGE AI SERIES - models, trust and promotion at the edge
+  "probation-for-models": { name: "EDGE AI SERIES", number: 1 },
+
+  // AUTOMATION SERIES - config as contract, interfaces built to be automated
+  "one-value-many-enforcers": { name: "AUTOMATION SERIES", number: 1 },
+
+  // OBSERVABILITY SERIES - watching the thing that actually fails
+  "six-days-of-silence": { name: "OBSERVABILITY SERIES", number: 1 },
 };