fix(types): clean type fixes across 92 files

Apply proper TypeScript type corrections without any unsafe casts:
- Fix unknown/never/{} types from decompilation
- Correct function signatures and parameter types
- Add missing type declarations and interfaces
- Fix Ink component prop types
- Update API client/provider type annotations

Test files with mock data casts are included as-is (acceptable pattern).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/agents/new-agent-creation/CreateAgentWizard.tsx

@@ -31,7 +31,7 @@ export function CreateAgentWizard({
   onCancel,
 }: Props): ReactNode {
   // Create step components with props
-  const steps: WizardStepComponent<AgentWizardData>[] = [
+  const steps: WizardStepComponent[] = [
     LocationStep, // 0
     MethodStep, // 1
     GenerateStep, // 2