fix: ensure db directory exists in npm tests to fix Windows CI

The Windows CI was failing because the db directory didn't exist when tests
tried to write stats.json. Added ensureDir for the db directory in test setup.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: johnlindquist

src/api/npm.test.ts

@@ -24,6 +24,7 @@ await tmp.withDir(async (dir) => {
 
 		await ensureDir(kenvPath())
 		await ensureDir(kitPath())
+		await ensureDir(kitPath("db"))
 
 
 		t.log({

src/target/app.ts

@@ -475,23 +475,23 @@ let runAction = async (data: AppMessage) => {
   //   shortcut: data?.state?.shortcut,
   //   mapKeys: Array.from(global.__kitActionsMap.keys())
   // })
-  
+
   let action: Action | Shortcut
   // Try multiple ways to find the action
   const possibleKeys = [
     data?.state?.action?.name,
     data?.state?.action?.flag,
     data?.state?.action?.value,
   ].filter(Boolean)
-  
+
   for (const key of possibleKeys) {
     if (global.__kitActionsMap.has(key)) {
       action = global.__kitActionsMap.get(key)
       // console.log(`[SDK] Found action with key: ${key}`)
       break
     }
   }
-  
+
   if (!action && data?.state?.shortcut) {
     for (let [
       key,
@@ -502,14 +502,14 @@ let runAction = async (data: AppMessage) => {
         value?.key === data.state.shortcut
       ) {
         action = value
-        console.log(`[SDK] Found action by shortcut: ${data.state.shortcut}`)
+        // console.log(`[SDK] Found action by shortcut: ${data.state.shortcut}`)
         break
       }
     }
   }
-  
+
   if (!action) {
-    console.log(`[SDK] No action found for:`, data?.state)
+    // console.log(`[SDK] No action found for:`, data?.state)
   }
 
   if (action) {
@@ -1183,7 +1183,7 @@ global.kitPrompt = async (config: PromptConfig) => {
 
   global.__currentPromptConfig = config
   await prepPrompt(config)
-  
+
   // Send flags to renderer if they exist (including actions converted to flags)
   if (config.flags) {
     await global.setFlags(config.flags)