Step 650: HiveMind auto-update model

editor/src/HiveMindAutoUpdateModel.h

@@ -0,0 +1,41 @@
+#pragma once
+// Step 650: HiveMind-push auto-update mechanism model
+
+#include <string>
+
+struct UpdateJob {
+    std::string version;
+    std::string downloadUrl;
+    std::string expectedSha256;
+};
+
+struct UpdateExecutionResult {
+    bool accepted = false;
+    bool hashVerified = false;
+    bool binaryReplaced = false;
+    bool restartScheduled = false;
+};
+
+class HiveMindAutoUpdateModel {
+public:
+    static bool isValidJob(const UpdateJob& job) {
+        return !job.version.empty() && !job.downloadUrl.empty() && !job.expectedSha256.empty();
+    }
+
+    static bool verifyHash(const std::string& actualSha256,
+                           const std::string& expectedSha256) {
+        return !actualSha256.empty() && actualSha256 == expectedSha256;
+    }
+
+    static UpdateExecutionResult execute(const UpdateJob& job,
+                                         const std::string& downloadedSha256) {
+        UpdateExecutionResult out;
+        out.accepted = isValidJob(job);
+        if (!out.accepted) return out;
+        out.hashVerified = verifyHash(downloadedSha256, job.expectedSha256);
+        if (!out.hashVerified) return out;
+        out.binaryReplaced = true;
+        out.restartScheduled = true;
+        return out;
+    }
+};