docs: comment floor references 11.0 -> 14.0

Author: Sunrisepeak

src/build/flags.cppm

@@ -361,7 +361,8 @@ CompileFlags compute_flags(const BuildPlan& plan) {
         //    manifest default — previously silently ignored on the clang
         //    route), link LLVM's own libc++.a/libc++abi.a instead:
         //    runtime deps shrink to libSystem and the floor drops to
-        //    11.0 (first arm64 macOS). Falls back to -lc++ when the
+        //    14.0 — the floor of the official LLVM static archives;
+        //    lower needs a custom libc++ build. Falls back to -lc++ when the
         //    archives are absent.
         // 2. deployment target — mirror MACOSX_DEPLOYMENT_TARGET onto the
         //    link command line so it doesn't depend on env propagation.

src/manifest.cppm

@@ -105,7 +105,7 @@ struct BuildConfig {
     std::vector<std::string>           ldflags;
     std::string                         cStandard;
     // macOS minimum supported OS version for produced binaries
-    // (LC_BUILD_VERSION minos), e.g. "11.0". Mirrors the ecosystem
+    // (LC_BUILD_VERSION minos), e.g. "14.0". Mirrors the ecosystem
     // conventions around deployment targets (the MACOSX_DEPLOYMENT_TARGET
     // env var that cargo/rustc/cc honor; SwiftPM's `platforms:` manifest
     // field; CMAKE_OSX_DEPLOYMENT_TARGET). Precedence: the env var (an