axon-frontend 0.8.0

AXON compiler frontend — lexer, parser, AST, epistemic type system, type checker, IR generator, compile-time checker. Zero runtime dependencies. v0.8.0 ships Fase 28 adopter diagnostic robustness: parser error recovery (parse_with_recovery → ParseResult), rustc-style source-context blocks (SourceSnippet), smart-suggest 'Did you mean X?' Levenshtein hints (smart_suggest module), cross-stack drift gate vs Python frontend. v0.7.0 Fase 23 algebraic effects runtime IR. v0.6.0 IRBreak/IRContinue. v0.5.0 IRReturn.value_kind. v0.4.0 closed Fase 17 (let). v0.3.0 closed Fase 14 (lossless lexing). v0.2.0 Fase 13 typed channels.