Q-W1 pt2: core/shell/app relocation + sub-namespaces; one concrete ui::Rect (LTRB fork retired); slot_map split from bank_book; BankIndex→BankModel; 59/59 green

src/core/util/clamp01.h

@@ -0,0 +1,14 @@
+#pragma once
+// clamp01 — the ONE unit-interval clamp (Q-W1, T4-24). Replaces the per-module
+// static copies (master_gain / param_slider / envelope_overlay / reasampler_editor).
+// Deliberately the ternary form: comparisons with NaN are false, so a NaN input
+// passes through unchanged rather than silently collapsing to a bound — the
+// behavior of the majority of the retired copies.
+//
+// PURE: standard library only (not even that).
+
+namespace reasampler::util {
+
+constexpr double clamp01(double v) { return v < 0.0 ? 0.0 : (v > 1.0 ? 1.0 : v); }
+
+}  // namespace reasampler::util

src/core/util/file_bytes.cpp

@@ -4,7 +4,7 @@
 
 #include <fstream>
 
-namespace reasampler {
+namespace reasampler::util {
 
 std::vector<std::uint8_t> readFileBytes(const std::string& path) {
     std::ifstream f(path, std::ios::binary | std::ios::ate);
@@ -18,4 +18,4 @@ std::vector<std::uint8_t> readFileBytes(const std::string& path) {
     return bytes;
 }
 
-}  // namespace reasampler
+}  // namespace reasampler::util

src/core/util/file_bytes.h

@@ -9,11 +9,11 @@
 #include <string>
 #include <vector>
 
-namespace reasampler {
+namespace reasampler::util {
 
 // Reads the whole file at `path` into a byte buffer. Empty on ANY failure —
 // unopenable, empty file, or short read — so the caller has exactly one
 // "nothing to work with" branch.
 std::vector<std::uint8_t> readFileBytes(const std::string& path);
 
-}  // namespace reasampler
+}  // namespace reasampler::util