Quill v1.0.0

Changelog

Other changes

• ac5d449 bench: add committed benchstat baseline for bench:compare
• c26dd0b bench: add jet and quicktemplate peers with 8-engine fairness
• 69b417c bench: add measurement rigor, size scaling, and full-output fairness
• f4f246b bench: add offline Phase 2a scenarios (filter/nested/cond/autoescape/stream)
• 1e012f7 bench: add thirdparty peer legs for the filter and conditional scenarios
• 77be13c bench: regenerate baseline.txt with a full count=10 run (#19)
• 73df4cb build(bench): add benchmark task targets
• cd3bbb2 ci(bench): add manual-dispatch benchmark workflow
• 1ec18d7 docs(performance): document bench methodology, engines, and task targets
• 4e8f62b lex: enforce single-fault contract; add lexer/parser fuzzing (#17)
• d5b6665 v1.0.0: freeze the exported API (#20)