Add ServerCatPremium tweaks, build files and docs

ServerCatPremium/.gitignore

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+.theos/
+packages/
+.DS_Store

ServerCatPremium/Makefile

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+TARGET = iphone:latest:14.0
+INSTALL_TARGET_PROCESSES = ServerCat
+ARCHS = arm64 arm64e
+
+include $(THEOS)/makefiles/common.mk
+
+TWEAK_NAME = ServerCatPremium
+
+ServerCatPremium_FILES = Tweak.x
+ServerCatPremium_CFLAGS = -fobjc-arc
+ServerCatPremium_FRAMEWORKS = Foundation
+
+include $(THEOS_MAKE_PATH)/tweak.mk

ServerCatPremium/ServerCatPremium.plist

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+{
+	Filter = {
+		Bundles = (
+			"tech.baye.servercat",
+		);
+	};
+}

ServerCatPremium/Tweak.x

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+#import <substrate.h>
+#import <mach-o/dyld.h>
+#import <string.h>
+#import <Foundation/Foundation.h>
+
+#define TARGET_MODULE       "ServerCat"
+#define IDA_BASE            0x100000000
+#define ADDR_IS_PREMIUM     0x10009CD24  // Address of "isPremiumActive" in IDA (adjust if needed)
+
+static int (*orig_isPremiumActive)();
+static int hook_isPremiumActive() { 
+	return 1; 
+}
+
+%ctor {
+    for (uint32_t i = 0; i < _dyld_image_count(); i++) {
+        const char *name = _dyld_get_image_name(i);
+        if (name && strstr(name, TARGET_MODULE)) {
+            uintptr_t base = (uintptr_t)_dyld_get_image_header(i);
+			uintptr_t addr = base + (ADDR_IS_PREMIUM - IDA_BASE);
+            MSHookFunction((void *)addr, (void *)hook_isPremiumActive, (void **)&orig_isPremiumActive);
+			NSLog(@"[ServerCatPremium] Hooked isPremiumActive at 0x%lx", addr);
+            return;
+        }
+    }
+}
+
+// iOS 16 Crash Fix
+%hook CKContainer
++ (id)defaultContainer {
+    return nil;
+}
+
++ (id)containerWithIdentifier:(id)arg1 {
+    arg1 = nil;
+    return nil;
+    return %orig;
+}
+%end

ServerCatPremium/control

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+Package: xyz.nohamr
+Name: ServerCatPremium (Latest)
+Version: 1.0.0
+Architecture: iphoneos-arm
+Description: Unlocks premium features in ServerCat app.
+Maintainer: NohamR
+Author: NohamR
+Section: Tweaks
+Depends: mobilesubstrate (>= 0.9.5000)

ServerCatPremium/index.md

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+# ServerCatPremium
+
+Unlocks premium features in ServerCat by forcing `isPremiumActive` (`sub_10009CD24`) to always return `1`.
+
+- **App**: [ServerCat – SSH Terminal](https://apps.apple.com/us/app/servercat-ssh-terminal/id1501532023)
+- **Tested on**: ServerCat 1.30.0 (600), iOS 18.3
+
+## Build
+
+```sh
+make clean && make package THEOS_PACKAGE_SCHEME=rootless DEBUG=0
+```
+
+## Inject
+
+```sh
+cyan -i tech.baye.servercat-1.30.0.ipa \
+     -o tech.baye.servercat-1.30.0_patched.ipa \
+     -f xyz.nohamr_1.0.0-1_iphoneos-arm64.deb \
+     -u
+```