feat: initial release v0.3.0

tests/unit/helpers/prompt-suffix-regression.test.ts

@@ -0,0 +1,35 @@
+import { describe, expect, it } from 'vitest'
+import {
+  addCharacterPromptSuffix,
+  CHARACTER_PROMPT_SUFFIX,
+  removeCharacterPromptSuffix,
+} from '@/lib/constants'
+
+function countOccurrences(input: string, target: string) {
+  if (!target) return 0
+  return input.split(target).length - 1
+}
+
+describe('character prompt suffix regression', () => {
+  it('appends suffix when generating prompt', () => {
+    const basePrompt = 'A brave knight in silver armor'
+    const generated = addCharacterPromptSuffix(basePrompt)
+
+    expect(generated).toContain(CHARACTER_PROMPT_SUFFIX)
+    expect(countOccurrences(generated, CHARACTER_PROMPT_SUFFIX)).toBe(1)
+  })
+
+  it('removes suffix text from prompt', () => {
+    const basePrompt = 'A calm detective with short black hair'
+    const withSuffix = addCharacterPromptSuffix(basePrompt)
+    const removed = removeCharacterPromptSuffix(withSuffix)
+
+    expect(removed).not.toContain(CHARACTER_PROMPT_SUFFIX)
+    expect(removed).toContain(basePrompt)
+  })
+
+  it('uses suffix as full prompt when base prompt is empty', () => {
+    expect(addCharacterPromptSuffix('')).toBe(CHARACTER_PROMPT_SUFFIX)
+    expect(removeCharacterPromptSuffix('')).toBe('')
+  })
+})