fix: resolve all ESLint errors blocking CI build

- require() imports: added eslint-disable-next-line for intentional
  dynamic imports (chat/route, ai-provider, conversation-engine,
  6 builtin-tools lazy-loading try/catch patterns)
- prefer-const: totalUsage changed to const (object mutated not reassigned)
- unsafe Function type: changed to (...args: unknown[]) => unknown
- misplaced any disable: moved to correct line in ai-provider

0 errors, 11 warnings remaining (warnings don't block CI).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: op7418

src/app/api/chat/route.ts

@@ -255,6 +255,7 @@ export async function POST(request: NextRequest) {
     // Load MCP servers for the predicted runtime:
     // - SDK Runtime: only needs servers with ${...} env placeholders (SDK loads the rest via settingSources)
     // - Native Runtime: needs ALL servers (it manages MCP connections independently)
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { predictNativeRuntime } = require('@/lib/runtime') as typeof import('@/lib/runtime');
     const mcpServers = predictNativeRuntime(effectiveProviderId)
       ? loadAllMcpServers()

src/lib/agent-loop.ts

@@ -218,7 +218,7 @@ export function runAgentLoop(options: AgentLoopOptions): ReadableStream<string>
         emitEvent('session:start', { sessionId, model: modelId });
         onRuntimeStatusChange?.('streaming');
         let step = 0;
-        let totalUsage: TokenUsage = { input_tokens: 0, output_tokens: 0 };
+        const totalUsage: TokenUsage = { input_tokens: 0, output_tokens: 0 };
         let lastToolNames: string[] = []; // for doom loop detection
         let messages = historyMessages;
 

src/lib/agent-tools.ts

@@ -119,7 +119,7 @@ function wrapWithPermissions(
     }
 
     // Wrap execute with permission check
-    const original = t as { description?: string; inputSchema?: unknown; execute?: Function };
+    const original = t as { description?: string; inputSchema?: unknown; execute?: (...args: unknown[]) => unknown };
     wrapped[name] = tool({
       description: original.description || name,
       inputSchema: (original.inputSchema || z.object({})) as z.ZodType,

src/lib/ai-provider.ts

@@ -168,6 +168,7 @@ function createLanguageModel(config: AiSdkConfig, isThirdPartyProxy: boolean): L
     }
 
     case 'claude-code-compat': {
+      // eslint-disable-next-line @typescript-eslint/no-require-imports
       const { createClaudeCodeCompatModel } = require('./claude-code-compat') as typeof import('./claude-code-compat');
       return createClaudeCodeCompatModel({
         apiKey: config.apiKey,
@@ -331,8 +332,8 @@ function applyMiddleware(
   if (middlewares.length === 0) return model;
 
   // wrapLanguageModel expects LanguageModelV3, cast through any for union type compat
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   return wrapLanguageModel({
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     model: model as any,
     middleware: middlewares,
   }) as unknown as LanguageModel;

src/lib/bridge/conversation-engine.ts

@@ -213,6 +213,7 @@ export async function processMessage(
     }
 
     // Load MCP servers using shared runtime prediction (same logic as chat route)
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { predictNativeRuntime } = require('../runtime') as typeof import('../runtime');
     const mcpServers = predictNativeRuntime(effectiveProviderId)
       ? loadAllMcpServers()

src/lib/builtin-tools/index.ts

@@ -58,6 +58,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
 
   // Notification tools — always available
   try {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { createNotificationTools, NOTIFICATION_SYSTEM_PROMPT } = require('./notification');
     groups.push({
       name: 'codepilot-notify',
@@ -69,6 +70,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
 
   // Widget guidelines — keyword-gated
   try {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { createWidgetGuidelinesTools, WIDGET_SYSTEM_PROMPT } = require('./widget-guidelines');
     groups.push({
       name: 'codepilot-widget-guidelines',
@@ -80,6 +82,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
 
   // Dashboard tools — keyword-gated
   try {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { createDashboardTools, DASHBOARD_SYSTEM_PROMPT } = require('./dashboard');
     groups.push({
       name: 'codepilot-dashboard',
@@ -91,6 +94,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
 
   // Media tools — keyword-gated
   try {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { createMediaTools, MEDIA_SYSTEM_PROMPT } = require('./media');
     groups.push({
       name: 'codepilot-media',
@@ -103,6 +107,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
   // Memory search tools — workspace-gated
   if (options.workspacePath) {
     try {
+      // eslint-disable-next-line @typescript-eslint/no-require-imports
       const { createMemorySearchTools, MEMORY_SEARCH_SYSTEM_PROMPT } = require('./memory-search');
       groups.push({
         name: 'codepilot-memory',
@@ -115,6 +120,7 @@ function getToolGroups(options: { workspacePath?: string }): BuiltinToolGroup[]
 
   // CLI tools — keyword-gated
   try {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const { createCliToolsTools, CLI_TOOLS_SYSTEM_PROMPT } = require('./cli-tools');
     groups.push({
       name: 'codepilot-cli-tools',