fix: use temporary directories for all test files to prevent CI conflicts

Set KIT and KENV environment variables to use temporary directories in tests
to avoid conflicts with user's home directory on CI systems.

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

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

Author: johnlindquist

src/api/kit.longrunning.test.ts

@@ -2,9 +2,20 @@ import ava from 'ava'
 import slugify from 'slugify'
 import { getProcessedScripts } from './kit.js'
 import { Script } from '../types/core.js'
-import { kenvPath } from '../core/utils.js'
+import { kenvPath, kitPath } from '../core/utils.js'
 import { ensureDir, outputFile, remove } from 'fs-extra'
 import { join } from 'path'
+import tmp from 'tmp-promise'
+
+// Set up test environment with temporary directories
+const tmpDir = tmp.dirSync({ unsafeCleanup: true })
+process.env.KENV = join(tmpDir.name, '.kenv')
+process.env.KIT = join(tmpDir.name, '.kit')
+
+// Ensure required directories exist
+await ensureDir(kenvPath())
+await ensureDir(kitPath())
+await ensureDir(kitPath('db'))
 
 ava('getProcessedScripts preserves longRunning property', async (t) => {
   const testScriptName = 'Test Longrunning Script'

src/api/npm.test.ts

@@ -14,9 +14,9 @@ import { kenvPath } from "../core/utils.js"
 
 // biome-ignore lint/suspicious/useAwait: <explanation>
 await tmp.withDir(async (dir) => {
-	process.env.KENV = dir.path
-	process.env.KIT_CONTEXT = "workflow"
 	process.env.KENV = path.resolve(dir.path, ".kenv")
+	process.env.KIT = path.resolve(dir.path, ".kit")
+	process.env.KIT_CONTEXT = "workflow"
 
 	ava.beforeEach(async (t) => {
 		global.kitScript = `${randomUUID()}.js`