audit follow-up: reduce warning debt in local model tests

src/models/local/llamacpp.test.ts

@@ -217,7 +217,8 @@ describe('LlamaCppClient', () => {
 
     expect(response.stopReason).toBe('tool_use');
     expect(response.toolCalls).toHaveLength(1);
-    expect(response.toolCalls![0]).toEqual({
+    const firstToolCall = response.toolCalls?.[0];
+    expect(firstToolCall).toEqual({
       id: 'call_123',
       name: 'shell.exec',
       args: { command: 'ls' },
@@ -404,7 +405,7 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'text', text: 'Searching...' },
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -432,13 +433,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Results here', is_error: false },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -459,22 +460,23 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'tool_use', id: 'call_a', name: 'tool.a', input: {} },
           { type: 'tool_use', id: 'call_b', name: 'tool.b', input: { x: 1 } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_a', content: 'A result' },
           { type: 'tool_result', tool_use_id: 'call_b', content: 'B result' },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
     const result = normalizeMessagesForLlamaCpp(undefined, messages);
 
-    expect(result[1].tool_calls).toHaveLength(2);
-    expect(result[1].tool_calls![0].id).toBe('call_a');
-    expect(result[1].tool_calls![1].function.arguments).toBe('{"x":1}');
+    const toolCalls = result[1].tool_calls;
+    expect(toolCalls).toHaveLength(2);
+    expect(toolCalls?.[0]?.id).toBe('call_a');
+    expect(toolCalls?.[1]?.function.arguments).toBe('{"x":1}');
     // Multiple results merged into one user message
     expect(result).toHaveLength(3);
     expect(result[2]).toEqual({
@@ -490,13 +492,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'file.read', input: { path: '/tmp/x' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'File not found', is_error: true },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -516,13 +518,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'text', text: 'Checking...' },
           { type: 'tool_use', id: 'tc_0', name: 'weather.get', input: { city: 'NYC' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'tc_0', content: 'Sunny, 72F' },
-        ] as any,
+        ] as Message['content'],
       },
       { role: 'assistant', content: 'The weather in NYC is sunny, 72F.' },
     ];

src/models/local/ollama.test.ts

@@ -110,7 +110,8 @@ describe('OllamaClient', () => {
 
     expect(response.stopReason).toBe('tool_use');
     expect(response.toolCalls).toHaveLength(1);
-    expect(response.toolCalls![0]).toEqual({
+    const firstToolCall = response.toolCalls?.[0];
+    expect(firstToolCall).toEqual({
       id: 'ollama_tc_0',
       name: 'shell.exec',
       args: { command: 'ls' },
@@ -374,7 +375,7 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'text', text: 'Let me search for that.' },
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'latest news' } },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -401,13 +402,13 @@ describe('normalizeMessagesForOllama', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Breaking news: ...', is_error: false },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -429,14 +430,14 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'a' } },
           { type: 'tool_use', id: 'call_2', name: 'web.search', input: { query: 'b' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Result A' },
           { type: 'tool_result', tool_use_id: 'call_2', content: 'Result B' },
-        ] as any,
+        ] as Message['content'],
       },
     ];
 
@@ -456,13 +457,13 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'text', text: 'Let me check.' },
           { type: 'tool_use', id: 'tc_0', name: 'weather.get', input: { city: 'NYC' } },
-        ] as any,
+        ] as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'tc_0', content: 'Sunny, 72F' },
-        ] as any,
+        ] as Message['content'],
       },
       { role: 'assistant', content: 'The weather in NYC is sunny, 72F.' },
     ];