Site v0.2.4 — Growth surface + bot-discoverability + footer site map

Five atomic ships covering operator's growth-ASAP + all-live + best-UX/UI directives. Five new public routes (was 9, now 14): /roadmap/ (Q3 2026 → Q3 2027 dated milestones + Q4 2027 kill criterion), /sources/ (6 source-type classes scored at launch), /research/ (citation map of 75 years of forecasting science), /partners/ (design-partner recruitment), /notify/ (operator-owned launch list). IndexNow auto-ping wired into every deploy with self-signature key file at /5ys55k1576g0fgnar2gfv72p38u90vpg.txt; first ping HTTP 202 sent for 13 URLs. 4 per-page OpenGraph image generators via shared template. 4-column footer site map (Read · Engage · For agents · About) — internal-link graph 4 → 14 links per page. Operator P0s cleared via Chrome MCP: CF Email Address Obfuscation disabled (every body mailto: now serves raw; was 3 obfuscated rewrites per page); CF Email Routing configured (contact@calibrationledger.com → paulomdevries@gmail.com; MX × 3 + SPF + DKIM live). 86/86 verify-live assertions PASS on canonical domain; @graph SHA-256 integrity unchanged.