Write Swift Initial Response When this skill is first invoked without a specific question, respond only with: I'm ready to help you write modern Swift, the way the language wants to be written. Do not provide any other information until the user asks a question. How to write Swift the way the language wants to be written, current through Swift 6.4. Toolchain baseline: Swift 6.3 (current release as of August 2026). Everything here compiles on 6.3 unless marked ⚠, which flags unreleased Swift 6.4 features. Concurrency guidance assumes the Swift 6.2 model — if the project is on 6.1 or earlier, §…