diff --git a/__mocks__/obsidian.js b/__mocks__/obsidian.js
index d9e0e5be..319f4b79 100644
--- a/__mocks__/obsidian.js
+++ b/__mocks__/obsidian.js
@@ -82,7 +82,7 @@ module.exports = {
 };
 
 // Mock the global app object
-global.app = {
+window.app = {
   vault: {
     getAbstractFileByPath: jest.fn().mockReturnValue({
       name: "test-file.md",
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 1b7ad4e4..31c25ac5 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -103,9 +103,6 @@ export default [
       // no-deprecated: defer — surface the warnings, but don't fail CI yet
       "@typescript-eslint/no-deprecated": "off",
 
-      // obsidianmd/no-global-this fires on jest globalThis usage in tests and
-      // a small number of legit cases — defer triage.
-      "obsidianmd/no-global-this": "off",
       // rule-custom-message wraps no-console; we don't enable no-console in this PR
       // and the codebase enforces logInfo/logWarn/logError via CLAUDE.md.
       "obsidianmd/rule-custom-message": "off",
diff --git a/jest.setup.js b/jest.setup.js
index c36b0e17..bc3f3fb2 100644
--- a/jest.setup.js
+++ b/jest.setup.js
@@ -1,15 +1,15 @@
 import "web-streams-polyfill/dist/polyfill.min.js";
 import { TextEncoder, TextDecoder } from "util";
 
-global.TextEncoder = TextEncoder;
-global.TextDecoder = TextDecoder;
+window.TextEncoder = TextEncoder;
+window.TextDecoder = TextDecoder;
 
 // Polyfill Obsidian's Node.doc / Node.win augmentation so plugin code that
 // reads `element.doc` / `element.win` works under jsdom.
 if (typeof Node !== "undefined" && !Object.prototype.hasOwnProperty.call(Node.prototype, "doc")) {
   Object.defineProperty(Node.prototype, "doc", {
     get() {
-      return this.ownerDocument ?? global.document;
+      return this.ownerDocument ?? window.document;
     },
     configurable: true,
   });
@@ -17,7 +17,7 @@ if (typeof Node !== "undefined" && !Object.prototype.hasOwnProperty.call(Node.pr
 if (typeof Node !== "undefined" && !Object.prototype.hasOwnProperty.call(Node.prototype, "win")) {
   Object.defineProperty(Node.prototype, "win", {
     get() {
-      return this.ownerDocument?.defaultView ?? global.window;
+      return this.ownerDocument?.defaultView ?? window;
     },
     configurable: true,
   });
diff --git a/scripts/printPromptDebugEntry.ts b/scripts/printPromptDebugEntry.ts
index f79ab885..b89e5e3f 100644
--- a/scripts/printPromptDebugEntry.ts
+++ b/scripts/printPromptDebugEntry.ts
@@ -94,6 +94,7 @@ export async function run(args: string[]): Promise<void> {
   }
 
   const app = createHeadlessApp();
+  // eslint-disable-next-line obsidianmd/no-global-this -- node-only debug script, no window available
   (global as unknown as { app: unknown }).app = app;
 
   initializeBuiltinTools();
diff --git a/src/LLMProviders/chainRunner/utils/imageExtraction.test.ts b/src/LLMProviders/chainRunner/utils/imageExtraction.test.ts
index aa7a32bc..58ba1b5e 100644
--- a/src/LLMProviders/chainRunner/utils/imageExtraction.test.ts
+++ b/src/LLMProviders/chainRunner/utils/imageExtraction.test.ts
@@ -9,7 +9,7 @@ describe("Image extraction from content", () => {
     },
   };
 
-  (global as any).app = mockApp;
+  (window as any).app = mockApp;
 
   beforeEach(() => {
     jest.clearAllMocks();
diff --git a/src/LLMProviders/selfHostServices.test.ts b/src/LLMProviders/selfHostServices.test.ts
index 6030a9e0..d4657e28 100644
--- a/src/LLMProviders/selfHostServices.test.ts
+++ b/src/LLMProviders/selfHostServices.test.ts
@@ -19,7 +19,7 @@ jest.mock("@/logger", () => ({
 
 // Mock global fetch
 const mockFetch = jest.fn();
-global.fetch = mockFetch;
+window.fetch = mockFetch;
 
 beforeEach(() => {
   jest.clearAllMocks();
diff --git a/src/commands/customCommandUtils.test.ts b/src/commands/customCommandUtils.test.ts
index 726a28a9..3e1b3df7 100644
--- a/src/commands/customCommandUtils.test.ts
+++ b/src/commands/customCommandUtils.test.ts
@@ -670,7 +670,7 @@ describe("parseCustomCommandFile", () => {
 
   beforeEach(() => {
     // Save and mock global app
-    originalApp = global.app;
+    originalApp = window.app;
     mockFrontmatter = {
       "copilot-command-context-menu-enabled": true,
       "copilot-command-slash-enabled": false,
@@ -679,7 +679,7 @@ describe("parseCustomCommandFile", () => {
       "copilot-command-last-used": 1234567890,
     };
     mockMetadata = { frontmatter: mockFrontmatter };
-    global.app = {
+    window.app = {
       vault: {
         read: jest
           .fn()
@@ -699,7 +699,7 @@ describe("parseCustomCommandFile", () => {
   });
 
   afterEach(() => {
-    global.app = originalApp;
+    window.app = originalApp;
   });
 
   it("parses a custom command file with frontmatter and content", async () => {
@@ -719,8 +719,8 @@ describe("parseCustomCommandFile", () => {
   });
 
   it("uses EMPTY_COMMAND defaults if frontmatter is missing", async () => {
-    (global.app.vault as any).read.mockResolvedValue("Prompt content only, no frontmatter.");
-    (global.app.metadataCache as any).getFileCache.mockReturnValue({});
+    (window.app.vault as any).read.mockResolvedValue("Prompt content only, no frontmatter.");
+    (window.app.metadataCache as any).getFileCache.mockReturnValue({});
     const { parseCustomCommandFile } = await import("@/commands/customCommandUtils");
     const result = await parseCustomCommandFile(mockFile);
     expect(result).toEqual({
diff --git a/src/components/chat-components/utils/lexicalTextUtils.test.ts b/src/components/chat-components/utils/lexicalTextUtils.test.ts
index e567b8aa..7c9d17b9 100644
--- a/src/components/chat-components/utils/lexicalTextUtils.test.ts
+++ b/src/components/chat-components/utils/lexicalTextUtils.test.ts
@@ -27,7 +27,7 @@ const mockApp = {
 };
 
 // Mock global app
-Object.defineProperty(global, "app", {
+Object.defineProperty(window, "app", {
   value: mockApp,
   writable: true,
 });
diff --git a/src/contextProcessor.dataview.test.ts b/src/contextProcessor.dataview.test.ts
index bdb2df7a..0f4a3cb2 100644
--- a/src/contextProcessor.dataview.test.ts
+++ b/src/contextProcessor.dataview.test.ts
@@ -12,7 +12,7 @@ import { ContextProcessor } from "@/contextProcessor";
 import { DATAVIEW_BLOCK_TAG } from "@/constants";
 
 // Mock the global app object for Dataview plugin access
-global.app = {
+window.app = {
   plugins: {
     plugins: {},
   },
@@ -25,7 +25,7 @@ describe("ContextProcessor - Dataview Integration", () => {
   beforeEach(() => {
     contextProcessor = ContextProcessor.getInstance();
     // Reset plugins for each test
-    (global.app as any).plugins.plugins = {};
+    (window.app as any).plugins.plugins = {};
     // Save and mock console.error to suppress expected error messages
     originalConsoleError = console.error;
     console.error = jest.fn();
@@ -44,7 +44,7 @@ describe("ContextProcessor - Dataview Integration", () => {
     });
 
     it("should return content unchanged when Dataview API is not available", async () => {
-      (global.app as any).plugins.plugins.dataview = {};
+      (window.app as any).plugins.plugins.dataview = {};
       const content = "```dataview\nLIST\n```";
       const result = await contextProcessor.processDataviewBlocks(content, "test.md");
       expect(result).toBe(content);
@@ -54,7 +54,7 @@ describe("ContextProcessor - Dataview Integration", () => {
   describe("processDataviewBlocks - Regex Pattern Matching", () => {
     beforeEach(() => {
       // Mock successful Dataview plugin with API
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -105,7 +105,7 @@ describe("ContextProcessor - Dataview Integration", () => {
 
   describe("processDataviewBlocks - Multiple Blocks", () => {
     beforeEach(() => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest
             .fn()
@@ -172,7 +172,7 @@ LIST
 
   describe("processDataviewBlocks - Query Execution", () => {
     it("should include both original query and executed results", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -194,7 +194,7 @@ LIST
     });
 
     it("should handle query timeout gracefully", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockImplementation(
             () =>
@@ -213,7 +213,7 @@ LIST
     }, 10000); // Increase test timeout to 10s
 
     it("should handle query execution errors", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: false,
@@ -229,7 +229,7 @@ LIST
     });
 
     it("should handle dataviewjs with unsupported message", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn(),
         },
@@ -244,7 +244,7 @@ LIST
 
   describe("processDataviewBlocks - Result Formatting", () => {
     it("should format LIST results correctly", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -265,7 +265,7 @@ LIST
     });
 
     it("should format TABLE results correctly", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -291,7 +291,7 @@ LIST
     });
 
     it("should format TASK results correctly", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -314,7 +314,7 @@ LIST
     });
 
     it("should handle empty results", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -333,7 +333,7 @@ LIST
     });
 
     it("should handle null values gracefully", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -354,7 +354,7 @@ LIST
     });
 
     it("should handle arrays in values", async () => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
@@ -375,7 +375,7 @@ LIST
 
   describe("processDataviewBlocks - Edge Cases", () => {
     beforeEach(() => {
-      (global.app as any).plugins.plugins.dataview = {
+      (window.app as any).plugins.plugins.dataview = {
         api: {
           query: jest.fn().mockResolvedValue({
             successful: true,
diff --git a/src/contextProcessor.embeds.test.ts b/src/contextProcessor.embeds.test.ts
index 9da915bb..8fb83e92 100644
--- a/src/contextProcessor.embeds.test.ts
+++ b/src/contextProcessor.embeds.test.ts
@@ -39,7 +39,7 @@ describe("ContextProcessor - Embedded Notes", () => {
       getFileCache: jest.fn((file: TFile) => fileCaches[file.path] ?? {}),
     };
 
-    (global as any).app = {
+    (window as any).app = {
       metadataCache: metadataCacheMock,
     };
 
diff --git a/src/encryptionService.test.ts b/src/encryptionService.test.ts
index d9e42257..cb455075 100644
--- a/src/encryptionService.test.ts
+++ b/src/encryptionService.test.ts
@@ -15,8 +15,8 @@ const mockElectron = {
 
 jest.mock("electron", () => mockElectron);
 
-global.TextEncoder = TextEncoder as any;
-global.TextDecoder = TextDecoder as any;
+window.TextEncoder = TextEncoder as any;
+window.TextDecoder = TextDecoder as any;
 
 // Now we can import our modules
 import { encryptAllKeys, getDecryptedKey, getEncryptedKey } from "@/encryptionService";
@@ -25,8 +25,8 @@ import { Platform } from "obsidian";
 import { Buffer } from "buffer";
 
 // Mock window.btoa and window.atob for base64 encoding/decoding
-global.btoa = jest.fn().mockImplementation((str) => Buffer.from(str).toString("base64"));
-global.atob = jest.fn().mockImplementation((str) => Buffer.from(str, "base64").toString());
+window.btoa = jest.fn().mockImplementation((str) => Buffer.from(str).toString("base64"));
+window.atob = jest.fn().mockImplementation((str) => Buffer.from(str, "base64").toString());
 
 const mockSubtle = {
   importKey: jest.fn().mockResolvedValue("mockCryptoKey"),
@@ -43,7 +43,7 @@ const mockSubtle = {
 };
 
 // Mock crypto.subtle instead of the entire crypto object
-Object.defineProperty(global.crypto, "subtle", {
+Object.defineProperty(window.crypto, "subtle", {
   value: mockSubtle,
   configurable: true,
 });
diff --git a/src/projects/projectUtils.test.ts b/src/projects/projectUtils.test.ts
index 131a5c71..f494c84d 100644
--- a/src/projects/projectUtils.test.ts
+++ b/src/projects/projectUtils.test.ts
@@ -35,7 +35,7 @@ function makeMockFile(path: string): TFile {
 
 // Helper: set up the global `app` mock used by parseProjectConfigFile
 function setupAppMock(rawContent: string, frontmatter: Record<string, unknown> | null) {
-  (global as Record<string, unknown>).app = {
+  (window as unknown as Record<string, unknown>).app = {
     vault: {
       read: jest.fn().mockResolvedValue(rawContent),
       // Reason: parseProjectConfigFile uses `cachedFile instanceof TFile` to detect synthetic TFiles.
diff --git a/src/search/findRelevantNotes.test.ts b/src/search/findRelevantNotes.test.ts
index 8b5a5662..4eef4888 100644
--- a/src/search/findRelevantNotes.test.ts
+++ b/src/search/findRelevantNotes.test.ts
@@ -133,7 +133,7 @@ describe("findRelevantNotes", () => {
       ["linked-only.md", linkedOnly],
     ]);
 
-    (global.app.vault.getAbstractFileByPath as jest.Mock).mockImplementation((path: string) => {
+    (window.app.vault.getAbstractFileByPath as jest.Mock).mockImplementation((path: string) => {
       return filesByPath.get(path) ?? null;
     });
 
diff --git a/src/search/searchUtils.test.ts b/src/search/searchUtils.test.ts
index 483dde8f..38bcd0a6 100644
--- a/src/search/searchUtils.test.ts
+++ b/src/search/searchUtils.test.ts
@@ -68,12 +68,12 @@ jest.mock("@/settings/model", () => ({
 describe("searchUtils", () => {
   beforeAll(() => {
     // @ts-ignore
-    global.app = mockApp;
+    window.app = mockApp;
   });
 
   afterAll(() => {
     // @ts-ignore
-    delete global.app;
+    delete window.app;
   });
 
   beforeEach(() => {
diff --git a/src/system-prompts/migration.test.ts b/src/system-prompts/migration.test.ts
index 41ef2949..2adf8d11 100644
--- a/src/system-prompts/migration.test.ts
+++ b/src/system-prompts/migration.test.ts
@@ -75,14 +75,14 @@ describe("migrateSystemPromptsFromSettings", () => {
     } as unknown as Vault;
 
     // Mock global app
-    originalApp = global.app;
-    global.app = {
+    originalApp = window.app;
+    window.app = {
       vault: mockVault,
     } as any;
   });
 
   afterEach(() => {
-    global.app = originalApp;
+    window.app = originalApp;
   });
 
   it("skips migration when userSystemPrompt is empty", async () => {
diff --git a/src/system-prompts/systemPromptManager.test.ts b/src/system-prompts/systemPromptManager.test.ts
index fbc4da8b..5cbd7d76 100644
--- a/src/system-prompts/systemPromptManager.test.ts
+++ b/src/system-prompts/systemPromptManager.test.ts
@@ -66,8 +66,8 @@ describe("SystemPromptManager", () => {
     } as unknown as Vault;
 
     // Mock global app
-    originalApp = global.app;
-    global.app = {
+    originalApp = window.app;
+    window.app = {
       vault: mockVault,
       fileManager: {
         processFrontMatter: jest.fn(),
@@ -81,7 +81,7 @@ describe("SystemPromptManager", () => {
   });
 
   afterEach(() => {
-    global.app = originalApp;
+    window.app = originalApp;
   });
 
   describe("getInstance", () => {
diff --git a/src/system-prompts/systemPromptUtils.test.ts b/src/system-prompts/systemPromptUtils.test.ts
index e5eea6eb..b0bc930b 100644
--- a/src/system-prompts/systemPromptUtils.test.ts
+++ b/src/system-prompts/systemPromptUtils.test.ts
@@ -250,14 +250,14 @@ describe("parseSystemPromptFile", () => {
   let mockFile: TFile;
 
   beforeEach(() => {
-    originalApp = global.app;
+    originalApp = window.app;
     mockFile = mockTFile({
       basename: "Test Prompt",
       path: "SystemPrompts/Test Prompt.md",
       extension: "md",
     });
 
-    global.app = {
+    window.app = {
       vault: {
         read: jest.fn(),
       },
@@ -268,7 +268,7 @@ describe("parseSystemPromptFile", () => {
   });
 
   afterEach(() => {
-    global.app = originalApp;
+    window.app = originalApp;
   });
 
   it("parses a file with frontmatter and content", async () => {
diff --git a/src/tests/projectContextCache.test.ts b/src/tests/projectContextCache.test.ts
index c50fd394..f5ce6d6d 100644
--- a/src/tests/projectContextCache.test.ts
+++ b/src/tests/projectContextCache.test.ts
@@ -127,7 +127,7 @@ describe("ProjectContextCache", () => {
     jest.clearAllMocks();
 
     // Mock globals
-    global.app = mockApp as any;
+    window.app = mockApp as any;
 
     // Set up mock vault file retrieval
     mockApp.vault.getFiles.mockReturnValue([mockMarkdownFile, mockPdfFile]);
diff --git a/src/tools/ReadNoteTool.test.ts b/src/tools/ReadNoteTool.test.ts
index 858492f2..c18bd5dd 100644
--- a/src/tools/ReadNoteTool.test.ts
+++ b/src/tools/ReadNoteTool.test.ts
@@ -35,14 +35,14 @@ describe("readNoteTool", () => {
   beforeEach(async () => {
     jest.resetModules();
 
-    originalApp = global.app;
+    originalApp = window.app;
     getAbstractFileByPathMock = jest.fn();
     getMarkdownFilesMock = jest.fn().mockReturnValue([]);
     getFirstLinkpathDestMock = jest.fn().mockReturnValue(null);
     mockRead.mockReset();
     mockRead.mockResolvedValue("");
 
-    global.app = {
+    window.app = {
       vault: {
         getAbstractFileByPath: getAbstractFileByPathMock,
         getMarkdownFiles: getMarkdownFilesMock,
@@ -62,7 +62,7 @@ describe("readNoteTool", () => {
   });
 
   afterEach(() => {
-    global.app = originalApp;
+    window.app = originalApp;
   });
 
   it("returns the first chunk with follow-up metadata", async () => {
diff --git a/src/utils.test.ts b/src/utils.test.ts
index 13edc895..9b027630 100644
--- a/src/utils.test.ts
+++ b/src/utils.test.ts
@@ -265,7 +265,7 @@ describe("getNotesFromPath", () => {
 describe("getNotesFromTags", () => {
   beforeAll(() => {
     // @ts-ignore
-    global.app = mockApp;
+    window.app = mockApp;
 
     // Setup metadata cache mock
     mockMetadataCache.getFileCache.mockImplementation((file: TFile) => {
@@ -275,7 +275,7 @@ describe("getNotesFromTags", () => {
 
   afterAll(() => {
     // @ts-ignore
-    delete global.app;
+    delete window.app;
   });
 
   beforeEach(() => {