fix(build): self-heal stale build.ninja + bump 0.0.58

mcpp.toml

@@ -1,6 +1,6 @@
 [package]
 name        = "mcpp"
-version     = "0.0.57"
+version     = "0.0.58"
 description = "Modern C++ build & package management tool"
 license     = "Apache-2.0"
 authors     = ["mcpp-community"]

src/build/execute.cppm

@@ -155,7 +155,14 @@ bool is_stale_ninja_failure(std::string_view output) {
     return output.find("loading 'build.ninja'") != std::string_view::npos
         || output.find("loading build.ninja") != std::string_view::npos
         || output.find("unknown target") != std::string_view::npos
-        || output.find("manifest 'build.ninja' still dirty") != std::string_view::npos;
+        || output.find("manifest 'build.ninja' still dirty") != std::string_view::npos
+        // A cached build.ninja can reference an input (e.g. a dependency
+        // source under the registry) that moved or was reinstalled since the
+        // graph was generated — the build fingerprint does not yet cover
+        // registry dep state, so the stale graph is reused. Ninja then aborts
+        // with this signature. Treat it as stale → drop to a full regen
+        // instead of hard-failing and forcing the user to `mcpp clean`.
+        || output.find("missing and no known rule to make") != std::string_view::npos;
 }
 
 // Compile a prepared BuildContext. Shared between `mcpp build` and `mcpp run`

src/toolchain/fingerprint.cppm

@@ -18,7 +18,7 @@ import mcpp.toolchain.detect;
 
 export namespace mcpp::toolchain {
 
-inline constexpr std::string_view MCPP_VERSION = "0.0.57";
+inline constexpr std::string_view MCPP_VERSION = "0.0.58";
 
 struct FingerprintInputs {
     Toolchain                       toolchain;