chore(lint): burn down remaining warnings to zero

src/tools/builtin/audio-transcribe.ts

@@ -71,7 +71,11 @@ function validateInput(args: AudioTranscribeArgs): { valid: boolean; error?: str
   }
 
   if (hasUrl) {
-    const urlValidation = validateUrl(args.url!);
+    const url = args.url;
+    if (!url) {
+      return { valid: false, error: 'URL is required when using url mode' };
+    }
+    const urlValidation = validateUrl(url);
     if (!urlValidation.valid) {
       return urlValidation;
     }
@@ -153,7 +157,7 @@ export function createAudioTranscribeTool(audioConfig?: AudioTranscriptionConfig
             'audio/mp4': 'm4a',
             'audio/x-m4a': 'm4a',
           };
-          const ext = extMap[args.mime_type!] || 'bin';
+          const ext = extMap[args.mime_type ?? ''] || 'bin';
           filename = `audio.${ext}`;
 
           const mimeType = args.mime_type ?? 'audio/wav';

src/tools/builtin/browser/manager.test.ts

@@ -3,8 +3,7 @@ import { BrowserManager } from './manager.js';
 
 // Use vi.hoisted() so these are available inside the hoisted vi.mock() call
 const {
-  mockGoto, mockTitle, mockUrl, mockClose, mockIsClosed,
-  mockSetDefaultTimeout, mockPage, mockNewPage, mockPages,
+  mockClose, mockIsClosed, mockPage, mockNewPage, mockPages,
   mockBrowserClose,
 } = vi.hoisted(() => {
   const mockGoto = vi.fn().mockResolvedValue(undefined);

src/tools/builtin/file-list.ts

@@ -27,7 +27,7 @@ export const fileListTool: Tool = {
     try {
       let entries = readdirSync(args.path, { withFileTypes: true });
       if (args.pattern) {
-        entries = entries.filter(e => matchGlob(e.name, args.pattern!));
+        entries = entries.filter(e => matchGlob(e.name, args.pattern));
       }
       const output = entries
         .map(e => e.isDirectory() ? `${e.name}/` : e.name)

src/tools/builtin/image-analyze.ts

@@ -86,7 +86,7 @@ export function createImageAnalyzeTool(modelClient: ModelClient): Tool {
           }
           : {
             type: 'base64' as const,
-            media_type: args.media_type!,
+            media_type: args.media_type ?? 'image/jpeg',
             data: args.data,
           };
 

src/tools/builtin/index.ts

@@ -40,8 +40,6 @@ import { filePatchTool } from './file-patch.js';
 import { fileListTool } from './file-list.js';
 import { systemInfoTool } from './system-info.js';
 import { webFetchTool } from './web-fetch.js';
-import { createMediaSendTool } from './media-send.js';
-import { createImageAnalyzeTool } from './image-analyze.js';
 import { createMemoryReadTool } from './memory-read.js';
 import { createMemoryWriteTool } from './memory-write.js';
 import { createMemorySearchTool } from './memory-search.js';

src/tools/builtin/process/manager.ts

@@ -151,12 +151,16 @@ export class ProcessManager {
       stdio: ['ignore', 'pipe', 'pipe'],
       detached: false,
     });
+    const pid = child.pid;
+    if (pid === undefined) {
+      throw new Error('Failed to start process: missing pid');
+    }
 
     const proc: ManagedProcess = {
       id,
       command,
       cwd,
-      pid: child.pid!,
+      pid,
       status: 'running',
       outputBuffer,
       startedAt: Date.now(),

src/tools/builtin/sessions.ts

@@ -1,10 +1,6 @@
 import type { Tool, ToolResult } from '../types.js';
 import type { SessionManager } from '../../session/manager.js';
 
-interface SessionsListArgs {
-  // no args
-}
-
 interface SessionsHistoryArgs {
   sessionId: string;
   limit?: number;