fix: 改进评论获取接口的slug规范化处理

修复当post_slug参数为根路径或包含查询参数/锚点时，slug列表生成逻辑不正确的问题。现在会先去除查询参数和锚点，然后正确处理根路径和带斜杠的变体。

新增单元测试验证各种slug格式的规范化行为，包括相对路径、完整URL和根路径。

cwd-api/src/api/public/getComments.spec.ts

@@ -0,0 +1,84 @@
+import { describe, it, expect, vi } from 'vitest'
+import { getComments } from './getComments'
+
+describe('getComments slug normalization', () => {
+  const createMockContext = (slug: string) => {
+    const bindMock = vi.fn().mockReturnValue({
+      all: vi.fn().mockResolvedValue({ results: [] }),
+      first: vi.fn().mockResolvedValue(null)
+    })
+    
+    const prepareMock = vi.fn().mockReturnValue({
+      bind: bindMock
+    })
+
+    const c = {
+      req: {
+        query: (key: string) => {
+           if (key === 'post_slug') return slug
+           return undefined
+        }
+      },
+      env: {
+        CWD_DB: {
+          prepare: prepareMock
+        }
+      },
+      json: vi.fn(),
+      executionCtx: {
+        waitUntil: vi.fn()
+      }
+    } as any
+    
+    return { c, prepareMock, bindMock }
+  }
+
+  it('should query both variants for relative path without trailing slash', async () => {
+    const { c, bindMock } = createMockContext('/1.html')
+    
+    await getComments(c)
+    
+    // We expect the bind to be called with arguments including both variants
+    // The first call to bind should be for the main query (or we check all calls)
+    const calls = bindMock.mock.calls
+    const allArgs = calls.flat()
+    
+    expect(allArgs).toContain('/1.html')
+    expect(allArgs).toContain('/1.html/')
+  })
+
+  it('should query both variants for relative path with trailing slash', async () => {
+    const { c, bindMock } = createMockContext('/1.html/')
+    
+    await getComments(c)
+    
+    const calls = bindMock.mock.calls
+    const allArgs = calls.flat()
+    
+    expect(allArgs).toContain('/1.html')
+    expect(allArgs).toContain('/1.html/')
+  })
+  
+  it('should query both variants for full URL', async () => {
+    const { c, bindMock } = createMockContext('https://example.com/foo')
+    
+    await getComments(c)
+    
+    const calls = bindMock.mock.calls
+    const allArgs = calls.flat()
+    
+    expect(allArgs).toContain('https://example.com/foo')
+    expect(allArgs).toContain('https://example.com/foo/')
+  })
+
+  it('should handle root path correctly', async () => {
+    const { c, bindMock } = createMockContext('/')
+    
+    await getComments(c)
+    
+    const calls = bindMock.mock.calls
+    const allArgs = calls.flat()
+    
+    expect(allArgs).toContain('/')
+  })
+})

cwd-api/src/api/public/getComments.ts

@@ -30,7 +30,15 @@ export const getComments = async (c: Context<{ Bindings: Bindings }>) => {
       slugList = Array.from(new Set([withSlash, withoutSlash]))
     }
   } catch {
-    slugList = [postSlug]
+    const path = postSlug.split('?')[0].split('#')[0]
+    if (path === '/' || path === '') {
+      slugList = ['/']
+    } else {
+      const hasTrailingSlash = path.endsWith('/')
+      const withSlash = hasTrailingSlash ? path : path + '/'
+      const withoutSlash = hasTrailingSlash ? path.slice(0, -1) : path
+      slugList = Array.from(new Set([withSlash, withoutSlash]))
+    }
   }
 
   try {