diff --git a/.pnp.cjs b/.pnp.cjs
index 3a96d880..35c12ee5 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -4693,6 +4693,7 @@ const RAW_RUNTIME_STATE =
           ["@testing-library/react", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:16.3.0"],\
           ["@types/react", "npm:19.1.0"],\
           ["@types/react-dom", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:19.1.2"],\
+          ["@vitest/coverage-v8", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:2.1.9"],\
           ["eslint", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:9.24.0"],\
           ["react", "npm:19.1.0"],\
           ["react-dom", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:19.1.0"],\
@@ -4715,6 +4716,7 @@ const RAW_RUNTIME_STATE =
           ["@testing-library/react", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:16.3.0"],\
           ["@types/react", "npm:19.1.0"],\
           ["@types/react-dom", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:19.1.2"],\
+          ["@vitest/coverage-v8", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:2.1.9"],\
           ["eslint", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:9.24.0"],\
           ["react", "npm:19.1.0"],\
           ["react-dom", "virtual:539b451571f0988c0af51257f55a5a782178df937d372062375b750931875a6facac716a154eb2b4aa1e0ffc809cf9d1dd6a0b387bd1b99854bdf0c986f9a560#npm:19.1.0"],\
@@ -5995,6 +5997,35 @@ const RAW_RUNTIME_STATE =
           "vitest"\
         ],\
         "linkType": "HARD"\
+      }],\
+      ["virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:2.1.9", {\
+        "packageLocation": "./.yarn/__virtual__/@vitest-coverage-v8-virtual-5fcb5057e8/0/cache/@vitest-coverage-v8-npm-2.1.9-95e7812374-ccf5871954.zip/node_modules/@vitest/coverage-v8/",\
+        "packageDependencies": [\
+          ["@ampproject/remapping", "npm:2.3.0"],\
+          ["@bcoe/v8-coverage", "npm:0.2.3"],\
+          ["@types/vitest", null],\
+          ["@types/vitest__browser", null],\
+          ["@vitest/browser", null],\
+          ["@vitest/coverage-v8", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:2.1.9"],\
+          ["debug", "virtual:643ed7cc338bcf145a82d8b05b3bef6bcf150ca545df386225596f10ce53cc90b88b3ca83e348ade1ccea5f3f8e76c92d2f0e2ba544da60d40aff9921c56872d#npm:4.4.0"],\
+          ["istanbul-lib-coverage", "npm:3.2.2"],\
+          ["istanbul-lib-report", "npm:3.0.1"],\
+          ["istanbul-lib-source-maps", "npm:5.0.6"],\
+          ["istanbul-reports", "npm:3.1.7"],\
+          ["magic-string", "npm:0.30.17"],\
+          ["magicast", "npm:0.3.5"],\
+          ["std-env", "npm:3.9.0"],\
+          ["test-exclude", "npm:7.0.1"],\
+          ["tinyrainbow", "npm:1.2.0"],\
+          ["vitest", "virtual:b8ca648f23ac8db9e48f501f3417b5d22664f520096d4c3f324c7f27acb059637b178631fb2aa9474c5307a2c176eb80c2a4069538d26cb000262efba27773fe#npm:2.1.9"]\
+        ],\
+        "packagePeers": [\
+          "@types/vitest",\
+          "@types/vitest__browser",\
+          "@vitest/browser",\
+          "vitest"\
+        ],\
+        "linkType": "HARD"\
       }]\
     ]],\
     ["@vitest/expect", [\
diff --git a/packages/mobile/package.json b/packages/mobile/package.json
index de61c004..e147bfe8 100644
--- a/packages/mobile/package.json
+++ b/packages/mobile/package.json
@@ -61,6 +61,7 @@
     "@testing-library/react": "^16.1.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
+    "@vitest/coverage-v8": "^2.1.8",
     "eslint": "^9.16.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
diff --git a/packages/mobile/src/hooks/keyboardHeight/useKeyboardHeight.ssr.test.ts b/packages/mobile/src/hooks/keyboardHeight/useKeyboardHeight.ssr.test.ts
new file mode 100644
index 00000000..771b389f
--- /dev/null
+++ b/packages/mobile/src/hooks/keyboardHeight/useKeyboardHeight.ssr.test.ts
@@ -0,0 +1,25 @@
+/**
+ * @vitest-environment node
+ *
+ * SSR environment tests - runs in Node.js where window is truly undefined
+ */
+import { describe, expect, it } from 'vitest';
+
+import { useKeyboardHeight } from './useKeyboardHeight.ts';
+
+describe('useKeyboardHeight SSR environment', () => {
+  it('should be safe on server side rendering', () => {
+    expect(typeof window).toBe('undefined');
+
+    // Should not throw during module evaluation
+    expect(() => useKeyboardHeight).not.toThrow();
+  });
+
+  it('should not throw when imported in SSR', () => {
+    // In Node environment, window is undefined
+    expect(typeof window).toBe('undefined');
+
+    // Just verify the hook can be called (doesn't actually run without React context)
+    expect(typeof useKeyboardHeight).toBe('function');
+  });
+});
diff --git a/packages/mobile/src/hooks/useAvoidKeyboard/useAvoidKeyboard.ssr.test.ts b/packages/mobile/src/hooks/useAvoidKeyboard/useAvoidKeyboard.ssr.test.ts
new file mode 100644
index 00000000..aa8e3735
--- /dev/null
+++ b/packages/mobile/src/hooks/useAvoidKeyboard/useAvoidKeyboard.ssr.test.ts
@@ -0,0 +1,25 @@
+/**
+ * @vitest-environment node
+ *
+ * SSR environment tests - runs in Node.js where window is truly undefined
+ */
+import { describe, expect, it } from 'vitest';
+
+import { useAvoidKeyboard } from './useAvoidKeyboard.ts';
+
+describe('useAvoidKeyboard SSR environment', () => {
+  it('should be safe on server side rendering', () => {
+    expect(typeof window).toBe('undefined');
+
+    // Should not throw during module evaluation
+    expect(() => useAvoidKeyboard).not.toThrow();
+  });
+
+  it('should not throw when imported in SSR', () => {
+    // In Node environment, window is undefined
+    expect(typeof window).toBe('undefined');
+
+    // Just verify the hook can be called (doesn't actually run without React context)
+    expect(typeof useAvoidKeyboard).toBe('function');
+  });
+});
diff --git a/packages/mobile/src/hooks/useNetworkStatus/useNetworkStatus.ssr.test.ts b/packages/mobile/src/hooks/useNetworkStatus/useNetworkStatus.ssr.test.ts
new file mode 100644
index 00000000..e019e809
--- /dev/null
+++ b/packages/mobile/src/hooks/useNetworkStatus/useNetworkStatus.ssr.test.ts
@@ -0,0 +1,25 @@
+/**
+ * @vitest-environment node
+ *
+ * SSR environment tests - runs in Node.js where window is truly undefined
+ */
+import { describe, expect, it } from 'vitest';
+
+import { useNetworkStatus } from './useNetworkStatus.ts';
+
+describe('useNetworkStatus SSR environment', () => {
+  it('should be safe on server side rendering', () => {
+    expect(typeof window).toBe('undefined');
+
+    // Should not throw during module evaluation
+    expect(() => useNetworkStatus).not.toThrow();
+  });
+
+  it('should not throw when imported in SSR', () => {
+    // In Node environment, window is undefined
+    expect(typeof window).toBe('undefined');
+
+    // Just verify the hook can be called (doesn't actually run without React context)
+    expect(typeof useNetworkStatus).toBe('function');
+  });
+});
diff --git a/packages/mobile/src/hooks/usePageVisibility/usePageVisibility.ssr.test.ts b/packages/mobile/src/hooks/usePageVisibility/usePageVisibility.ssr.test.ts
new file mode 100644
index 00000000..71a7b132
--- /dev/null
+++ b/packages/mobile/src/hooks/usePageVisibility/usePageVisibility.ssr.test.ts
@@ -0,0 +1,25 @@
+/**
+ * @vitest-environment node
+ *
+ * SSR environment tests - runs in Node.js where window is truly undefined
+ */
+import { describe, expect, it } from 'vitest';
+
+import { usePageVisibility } from './usePageVisibility.ts';
+
+describe('usePageVisibility SSR environment', () => {
+  it('should be safe on server side rendering', () => {
+    expect(typeof window).toBe('undefined');
+
+    // Should not throw during module evaluation
+    expect(() => usePageVisibility).not.toThrow();
+  });
+
+  it('should not throw when imported in SSR', () => {
+    // In Node environment, window is undefined
+    expect(typeof window).toBe('undefined');
+
+    // Just verify the hook can be called (doesn't actually run without React context)
+    expect(typeof usePageVisibility).toBe('function');
+  });
+});
diff --git a/yarn.lock b/yarn.lock
index c8a364aa..d446ae95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3685,6 +3685,7 @@ __metadata:
     "@testing-library/react": "npm:^16.1.0"
     "@types/react": "npm:^19.0.0"
     "@types/react-dom": "npm:^19.0.0"
+    "@vitest/coverage-v8": "npm:^2.1.8"
     eslint: "npm:^9.16.0"
     react: "npm:^19.0.0"
     react-dom: "npm:^19.0.0"