diff --git a/apps/server/src/routes/api/llm.spec.ts b/apps/server/src/routes/api/llm.spec.ts
index 3703590f5..c19df825f 100644
--- a/apps/server/src/routes/api/llm.spec.ts
+++ b/apps/server/src/routes/api/llm.spec.ts
@@ -323,7 +323,7 @@ describe("LLM API Tests", () => {
             const options = (await import("../../services/options.js")).default;
             
             // Setup default mock behaviors
-            options.getOptionBool.mockReturnValue(true); // AI enabled
+            (options.getOptionBool as any).mockReturnValue(true); // AI enabled
             mockAiServiceManager.getOrCreateAnyService.mockResolvedValue({});
             mockGetSelectedModelConfig.mockResolvedValue({
                 model: 'test-model',
@@ -466,8 +466,8 @@ describe("LLM API Tests", () => {
                         getContent: () => 'Root note content for testing'
                     })
                 })
-            };
-            vi.mocked(await import('../../becca/becca.js')).default = mockBecca;
+            } as any;
+            (await import('../../becca/becca.js') as any).default = mockBecca;
 
             // Setup streaming with mention context
             mockChatPipelineExecute.mockImplementation(async (input) => {
@@ -628,7 +628,7 @@ describe("LLM API Tests", () => {
         it("should handle AI disabled state", async () => {
             // Import options service to access mock
             const options = (await import("../../services/options.js")).default;
-            options.getOptionBool.mockReturnValue(false); // AI disabled
+            (options.getOptionBool as any).mockReturnValue(false); // AI disabled
 
             const response = await supertest(app)
                 .post(`/api/llm/chat/${testChatId}/messages/stream`)
@@ -740,7 +740,7 @@ describe("LLM API Tests", () => {
             const ws = (await import("../../services/ws.js")).default;
             
             // Verify multiple chunks were sent
-            const streamCalls = ws.sendMessageToAllClients.mock.calls.filter(
+            const streamCalls = (ws.sendMessageToAllClients as any).mock.calls.filter(
                 call => call[0].type === 'llm-stream' && call[0].content
             );
             expect(streamCalls.length).toBeGreaterThan(5);
diff --git a/apps/server/src/services/llm/pipeline/chat_pipeline.spec.ts b/apps/server/src/services/llm/pipeline/chat_pipeline.spec.ts
index d73a2833e..68eb814c1 100644
--- a/apps/server/src/services/llm/pipeline/chat_pipeline.spec.ts
+++ b/apps/server/src/services/llm/pipeline/chat_pipeline.spec.ts
@@ -269,7 +269,7 @@ describe('ChatPipeline', () => {
 
         it('should handle tool calling iterations', async () => {
             // Mock LLM response to include tool calls
-            pipeline.stages.llmCompletion.execute.mockResolvedValue({
+            (pipeline.stages.llmCompletion.execute as any).mockResolvedValue({
                 response: {
                     text: 'Hello! How can I help you?',
                     role: 'assistant',
@@ -279,7 +279,7 @@ describe('ChatPipeline', () => {
             });
             
             // Mock tool calling to require iteration then stop
-            pipeline.stages.toolCalling.execute
+            (pipeline.stages.toolCalling.execute as any)
                 .mockResolvedValueOnce({ needsFollowUp: true, messages: [] })
                 .mockResolvedValueOnce({ needsFollowUp: false, messages: [] });
             
@@ -290,7 +290,7 @@ describe('ChatPipeline', () => {
 
         it('should respect max tool call iterations', async () => {
             // Mock LLM response to include tool calls
-            pipeline.stages.llmCompletion.execute.mockResolvedValue({
+            (pipeline.stages.llmCompletion.execute as any).mockResolvedValue({
                 response: {
                     text: 'Hello! How can I help you?',
                     role: 'assistant',
@@ -300,7 +300,7 @@ describe('ChatPipeline', () => {
             });
             
             // Mock tool calling to always require iteration
-            pipeline.stages.toolCalling.execute.mockResolvedValue({ needsFollowUp: true, messages: [] });
+            (pipeline.stages.toolCalling.execute as any).mockResolvedValue({ needsFollowUp: true, messages: [] });
             
             await pipeline.execute(input);
             
@@ -309,7 +309,7 @@ describe('ChatPipeline', () => {
         });
 
         it('should handle stage errors gracefully', async () => {
-            pipeline.stages.modelSelection.execute.mockRejectedValueOnce(new Error('Model selection failed'));
+            (pipeline.stages.modelSelection.execute as any).mockRejectedValueOnce(new Error('Model selection failed'));
             
             await expect(pipeline.execute(input)).rejects.toThrow('Model selection failed');
         });
@@ -408,7 +408,7 @@ describe('ChatPipeline', () => {
         };
 
         it('should propagate errors from stages', async () => {
-            pipeline.stages.modelSelection.execute.mockRejectedValueOnce(new Error('Model selection failed'));
+            (pipeline.stages.modelSelection.execute as any).mockRejectedValueOnce(new Error('Model selection failed'));
             
             await expect(pipeline.execute(input)).rejects.toThrow('Model selection failed');
         });
diff --git a/apps/server/src/services/llm/providers/integration/streaming.spec.ts b/apps/server/src/services/llm/providers/integration/streaming.spec.ts
index 2a363f25b..8c38ecfeb 100644
--- a/apps/server/src/services/llm/providers/integration/streaming.spec.ts
+++ b/apps/server/src/services/llm/providers/integration/streaming.spec.ts
@@ -255,7 +255,7 @@ describe('Provider Streaming Integration Tests', () => {
                         // Anthropic format needs conversion to our standard format
                         if (chunk.type === 'content_block_delta') {
                             yield {
-                                message: { content: chunk.delta.text },
+                                message: { content: chunk.delta?.text || '' },
                                 done: false
                             };
                         } else if (chunk.type === 'message_stop') {
diff --git a/apps/server/src/services/llm/streaming/error_handling.spec.ts b/apps/server/src/services/llm/streaming/error_handling.spec.ts
index 1b074be73..22058aea2 100644
--- a/apps/server/src/services/llm/streaming/error_handling.spec.ts
+++ b/apps/server/src/services/llm/streaming/error_handling.spec.ts
@@ -3,7 +3,7 @@ import { processProviderStream, StreamProcessor } from '../providers/stream_hand
 import type { ProviderStreamOptions } from '../providers/stream_handler.js';
 
 // Mock log service
-vi.mock('../log.js', () => ({
+vi.mock('../../log.js', () => ({
     default: {
         info: vi.fn(),
         error: vi.fn(),
@@ -17,7 +17,7 @@ describe('Streaming Error Handling Tests', () => {
 
     beforeEach(async () => {
         vi.clearAllMocks();
-        log = (await import('../log.js')).default;
+        log = (await import('../../log.js')).default;
         mockOptions = {
             providerName: 'ErrorTestProvider',
             modelName: 'error-test-model'
@@ -147,7 +147,7 @@ describe('Streaming Error Handling Tests', () => {
                 }
             };
 
-            const hangingCallback = vi.fn(async () => {
+            const hangingCallback = vi.fn(async (): Promise<void> => {
                 // Never resolves
                 return new Promise(() => {});
             });
diff --git a/apps/server/src/services/llm/streaming/tool_execution.spec.ts b/apps/server/src/services/llm/streaming/tool_execution.spec.ts
index ec5e8021f..e6b383701 100644
--- a/apps/server/src/services/llm/streaming/tool_execution.spec.ts
+++ b/apps/server/src/services/llm/streaming/tool_execution.spec.ts
@@ -3,7 +3,7 @@ import { processProviderStream, StreamProcessor } from '../providers/stream_hand
 import type { ProviderStreamOptions } from '../providers/stream_handler.js';
 
 // Mock log service
-vi.mock('../log.js', () => ({
+vi.mock('../../log.js', () => ({
     default: {
         info: vi.fn(),
         error: vi.fn(),
@@ -623,7 +623,7 @@ describe('Tool Execution During Streaming Tests', () => {
 
     describe('Tool Call Logging and Debugging', () => {
         it('should log tool call detection', async () => {
-            const log = (await import('../log.js')).default;
+            const log = (await import('../../log.js')).default;
             
             const toolChunk = {
                 message: {