docs: fix stale .md links (now .adoc), add AFFIRMATION + 0-AI-MANIFEST routing TOPOLOGY/READINESS/PROOF-NEEDS/PROOF-STATUS were linked as .md but the repo has carried .adoc versions for a while — fixed. SECURITY.md link corrected to .github/SECURITY.md (the substantive, GitHub-native one; there's also a stale 20-line root SECURITY.md with a generic contact that nobody has reconciled yet — left alone, it's a content call not a wiki fix). Added two entries that were missing entirely: 0-AI-MANIFEST.a2ml (the bot read-first router the README already tells AI agents to use) and AFFIRMATION.adoc (the live-verified, no-overclaim snapshot — the tiebreaker when README/ROADMAP/CI badges disagree with reality). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
security: standardize secret scanning on TruffleHog
docs: initialise Home page as routing hub (Issue #18)
Initial Home page