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feat(comment-email): implement comment email configuration and notification preferences

- Added a comprehensive implementation plan for comment email infrastructure, including SMTP configuration, guest email handling, and user notification preferences.
- Extended the config registry and admin UI to support new settings, ensuring a robust email notification system without blocking comment creation.
- Created necessary API endpoints and tests to validate the functionality of the new features.

This update enhances the comment system's email capabilities and user experience.
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      docs/superpowers/plans/2026-04-20-comment-email-config-implementation-plan.md

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docs/superpowers/plans/2026-04-20-comment-email-config-implementation-plan.md

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# Comment Email Config Implementation Plan
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** Add comment email infrastructure with admin SMTP config, guest anonymous email rules, per-user notification preference, and admin test-send capability without blocking comment creation.
**Architecture:** Extend the existing config registry (global + user) for mail settings and notify preferences, then wire those values into comment creation and notification service logic. Keep notification sending best-effort and side-effect-safe: comment write succeeds even if email send fails. Reuse existing `/api/config/*`, profile page, and comment service patterns.
**Tech Stack:** Nuxt 3, Nitro server routes, Drizzle (SQLite), Bun test, existing config service in `server/service/config`.
---
## File Structure Map
- **Config domain**
- Modify `server/service/config/registry.ts` for new config keys and validation.
- Modify `app/composables/useGlobalConfig.ts` for global config typing updates.
- Modify `app/pages/me/admin/config/index.vue` for SMTP form and test-send action.
- Create `server/api/config/global/comment-email-test.post.ts` for admin test email.
- **Comment domain**
- Modify `packages/drizzle-pkg/database/sqlite/schema/content.ts` to add guest email fields.
- Create a migration under `packages/drizzle-pkg/migrations`.
- Modify `server/service/post-comments/index.ts` to validate/store guest email + anonymous.
- Modify `app/components/PostComments.vue` to collect guest email + anonymous toggle and render user hints.
- **Notification domain**
- Create `server/service/comment-notify/index.ts` for send gating + dispatch.
- Integrate notify trigger in comment create flow routes.
- **User preference**
- Modify `app/pages/me/profile/index.vue` and `/api/config/me` usage to add `commentNotifyEnabled`.
- **Tests**
- Modify/create tests in `server/utils/post-comment-guest.test.ts`, comment service tests, and config validation tests.
---
### Task 1: Add Config Keys and Validation
**Files:**
- Modify: `server/service/config/registry.ts`
- Test: `server/service/config/registry.test.ts` (create if absent)
- [ ] **Step 1: Write the failing validation tests**
```ts
import { describe, expect, test } from "bun:test";
import { validateConfigValue } from "./registry";
describe("comment mail config validation", () => {
test("accepts valid from email", () => {
expect(validateConfigValue("commentMailFromEmail", "sender@example.com")).toBe(true);
});
test("rejects invalid from email", () => {
expect(validateConfigValue("commentMailFromEmail", "bad-email")).toBe(false);
});
test("accepts comment notify default", () => {
expect(validateConfigValue("commentNotifyEnabled", true)).toBe(true);
});
});
```
- [ ] **Step 2: Run test to verify it fails**
Run: `bun test server/service/config/registry.test.ts`
Expected: FAIL with unknown key/type validation mismatch.
- [ ] **Step 3: Implement minimal registry entries**
```ts
commentEmailNotifyEnabled: defineConfig<boolean>({ key: "commentEmailNotifyEnabled", scope: "global", valueType: "boolean", defaultValue: false, userOverridable: false }),
commentMailFromEmail: defineConfig<string>({
key: "commentMailFromEmail",
scope: "global",
valueType: "string",
defaultValue: "",
userOverridable: false,
validate: (value: string) => !value.trim() || /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(value.trim()),
}),
commentSmtpHost: defineConfig<string>({ key: "commentSmtpHost", scope: "global", valueType: "string", defaultValue: "", userOverridable: false }),
commentSmtpPort: defineConfig<number>({
key: "commentSmtpPort",
scope: "global",
valueType: "number",
defaultValue: 465,
userOverridable: false,
validate: (value: number) => Number.isInteger(value) && value >= 1 && value <= 65535,
}),
commentSmtpSecure: defineConfig<boolean>({ key: "commentSmtpSecure", scope: "global", valueType: "boolean", defaultValue: true, userOverridable: false }),
commentSmtpUser: defineConfig<string>({ key: "commentSmtpUser", scope: "global", valueType: "string", defaultValue: "", userOverridable: false }),
commentSmtpPass: defineConfig<string>({ key: "commentSmtpPass", scope: "global", valueType: "string", defaultValue: "", userOverridable: false }),
commentNotifyEnabled: defineConfig<boolean>({ key: "commentNotifyEnabled", scope: "both", valueType: "boolean", defaultValue: true, userOverridable: true }),
```
- [ ] **Step 4: Run test to verify it passes**
Run: `bun test server/service/config/registry.test.ts`
Expected: PASS.
- [ ] **Step 5: Commit**
```bash
git add server/service/config/registry.ts server/service/config/registry.test.ts
git commit -m "feat(config): add comment email and notify preference keys"
```
---
### Task 2: Extend Admin Global Config UI and Global Composable
**Files:**
- Modify: `app/composables/useGlobalConfig.ts`
- Modify: `app/pages/me/admin/config/index.vue`
- [ ] **Step 1: Write a focused UI behavior test (or component-level assertion)**
```ts
// Pseudocode if no mounted test infra exists yet:
// assert payload includes commentEmailNotifyEnabled/commentSmtpHost/commentSmtpPort/commentSmtpSecure/commentSmtpUser/commentSmtpPass/commentMailFromEmail
```
- [ ] **Step 2: Run existing frontend checks**
Run: `bun run typecheck`
Expected: FAIL due to missing new config fields in types.
- [ ] **Step 3: Implement minimal type + form changes**
```ts
// useGlobalConfig.ts
export type GlobalConfig = {
siteName: string;
allowRegister: boolean;
commentEmailNotifyEnabled: boolean;
commentMailFromEmail: string;
commentSmtpHost: string;
commentSmtpPort: number;
commentSmtpSecure: boolean;
commentSmtpUser: string;
};
```
```vue
<!-- me/admin/config/index.vue -->
<UFormField label="评论邮件通知总开关"><UCheckbox v-model="commentEmailNotifyEnabled" label="开启" /></UFormField>
<UFormField label="发件人邮箱"><UInput v-model="commentMailFromEmail" placeholder="noreply@example.com" /></UFormField>
<UFormField label="SMTP Host"><UInput v-model="commentSmtpHost" /></UFormField>
<UFormField label="SMTP Port"><UInput v-model.number="commentSmtpPort" type="number" /></UFormField>
<UFormField label="SMTP Secure"><UCheckbox v-model="commentSmtpSecure" label="TLS/SSL" /></UFormField>
<UFormField label="SMTP User"><UInput v-model="commentSmtpUser" /></UFormField>
<UFormField label="SMTP Password"><UInput v-model="commentSmtpPass" type="password" autocomplete="new-password" /></UFormField>
```
- [ ] **Step 4: Re-run checks**
Run: `bun run typecheck`
Expected: PASS for touched types/components.
- [ ] **Step 5: Commit**
```bash
git add app/composables/useGlobalConfig.ts app/pages/me/admin/config/index.vue
git commit -m "feat(admin-config): add comment mail smtp settings form"
```
---
### Task 3: Add Admin Test Send Endpoint and Button
**Files:**
- Create: `server/api/config/global/comment-email-test.post.ts`
- Modify: `app/pages/me/admin/config/index.vue`
- Create/Modify Test: `server/api/config/global/comment-email-test.post.test.ts`
- [ ] **Step 1: Write failing API tests**
```ts
test("returns 400 when smtp config incomplete", async () => {
// setup admin session + empty smtp config
// call POST /api/config/global/comment-email-test
// expect 400
});
```
- [ ] **Step 2: Run targeted test**
Run: `bun test server/api/config/global/comment-email-test.post.test.ts`
Expected: FAIL with route missing.
- [ ] **Step 3: Implement endpoint and UI action**
```ts
// comment-email-test.post.ts
await requireAdmin(event);
const user = await event.context.auth.requireUser();
const cfg = await getCommentMailConfig(event.context.config);
assertMailConfigReady(cfg);
if (!user.email) throw createError({ statusCode: 400, statusMessage: "管理员未配置邮箱" });
await sendCommentTestMail({ to: user.email, cfg });
return R.success({ ok: true });
```
```vue
<UButton :loading="testingMail" variant="soft" @click="testSendMail">发送测试邮件</UButton>
```
- [ ] **Step 4: Run test again**
Run: `bun test server/api/config/global/comment-email-test.post.test.ts`
Expected: PASS.
- [ ] **Step 5: Commit**
```bash
git add server/api/config/global/comment-email-test.post.ts server/api/config/global/comment-email-test.post.test.ts app/pages/me/admin/config/index.vue
git commit -m "feat(mail): add admin comment email test-send endpoint"
```
---
### Task 4: Add DB Fields for Guest Email and Anonymous Flag
**Files:**
- Modify: `packages/drizzle-pkg/database/sqlite/schema/content.ts`
- Create: `packages/drizzle-pkg/migrations/0008_comment_guest_email.sql` (use next available index)
- Modify: `packages/drizzle-pkg/migrations/meta/_journal.json` (if migration tooling requires)
- [ ] **Step 1: Write failing service test for guest email rules**
```ts
test("guest non-anonymous must provide email", async () => {
await expect(createComment({
postId, ownerUserId, parentId: null, viewer: null,
guestDisplayName: "访客", guestIsAnonymous: false, guestEmail: "",
body: "hello",
})).rejects.toThrow("请填写邮箱");
});
```
- [ ] **Step 2: Run test to confirm fail**
Run: `bun test server/service/post-comments/index.test.ts`
Expected: FAIL due to unknown fields / missing validation.
- [ ] **Step 3: Add schema + migration**
```ts
guestEmail: text("guest_email"),
guestIsAnonymous: integer("guest_is_anonymous", { mode: "boolean" }).notNull().default(false),
```
```sql
ALTER TABLE post_comments ADD COLUMN guest_email text;
ALTER TABLE post_comments ADD COLUMN guest_is_anonymous integer DEFAULT 0 NOT NULL;
```
- [ ] **Step 4: Run migration/test checks**
Run: `bun test server/service/post-comments/index.test.ts`
Expected: still FAIL until service is implemented (this is expected at this stage).
- [ ] **Step 5: Commit**
```bash
git add packages/drizzle-pkg/database/sqlite/schema/content.ts packages/drizzle-pkg/migrations/0008_comment_guest_email.sql packages/drizzle-pkg/migrations/meta/_journal.json
git commit -m "feat(db): add guest email and anonymous fields for comments"
```
---
### Task 5: Implement Comment Service Validation and Persist New Fields
**Files:**
- Modify: `server/service/post-comments/index.ts`
- Modify: `server/utils/post-comment-guest.ts`
- Modify: `server/utils/post-comment-guest.test.ts`
- Modify: `app/components/PostComments.vue`
- [ ] **Step 1: Expand failing validation tests**
```ts
test("anonymous guest can omit email", () => {
expect(validateGuestCommentEmail("", true)).toBe("");
});
test("non-anonymous guest rejects invalid email", () => {
expect(() => validateGuestCommentEmail("abc", false)).toThrow(GuestCommentValidationError);
});
```
- [ ] **Step 2: Run guest validation tests**
Run: `bun test server/utils/post-comment-guest.test.ts`
Expected: FAIL with `validateGuestCommentEmail` undefined.
- [ ] **Step 3: Implement validation and form payload**
```ts
export function validateGuestCommentEmail(raw: string, isAnonymous: boolean): string {
const t = raw.trim();
if (isAnonymous) return t;
if (!t) throw new GuestCommentValidationError("请填写邮箱");
if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(t)) throw new GuestCommentValidationError("邮箱格式不正确");
return t;
}
```
```vue
<UCheckbox v-model="guestIsAnonymous" label="匿名评论(可不填邮箱)" />
<UInput v-model="guestEmail" :required="!guestIsAnonymous" placeholder="你的邮箱" />
```
- [ ] **Step 4: Run tests and typecheck**
Run: `bun test server/utils/post-comment-guest.test.ts && bun run typecheck`
Expected: PASS.
- [ ] **Step 5: Commit**
```bash
git add server/service/post-comments/index.ts server/utils/post-comment-guest.ts server/utils/post-comment-guest.test.ts app/components/PostComments.vue
git commit -m "feat(comments): enforce guest email rules with anonymous override"
```
---
### Task 6: Add User Notification Preference in Profile
**Files:**
- Modify: `app/pages/me/profile/index.vue`
- Modify: `server/service/config/registry.ts` (if not already included in Task 1)
- [ ] **Step 1: Write failing profile load/save assertion**
```ts
// verify /api/config/me result drives state.commentNotifyEnabled and save writes key
```
- [ ] **Step 2: Run typecheck before implementation**
Run: `bun run typecheck`
Expected: FAIL due to missing `commentNotifyEnabled` state/binding.
- [ ] **Step 3: Implement minimal state + save wiring**
```ts
state.commentNotifyEnabled = typeof cfg.commentNotifyEnabled === "boolean" ? cfg.commentNotifyEnabled : true;
```
```ts
await fetchData('/api/config/me', {
method: 'PUT',
notify: false,
body: { key: 'commentNotifyEnabled', value: state.commentNotifyEnabled },
});
```
```vue
<UCheckbox v-model="state.commentNotifyEnabled" label="接收评论邮件通知" />
```
- [ ] **Step 4: Re-run typecheck**
Run: `bun run typecheck`
Expected: PASS.
- [ ] **Step 5: Commit**
```bash
git add app/pages/me/profile/index.vue
git commit -m "feat(profile): add comment email notify preference toggle"
```
---
### Task 7: Implement Notification Dispatch on Comment Create
**Files:**
- Create: `server/service/comment-notify/index.ts`
- Modify: `server/api/public/profile/[publicSlug]/posts/[postSlug]/comments.post.ts`
- Modify: `server/api/public/unlisted/[publicSlug]/[shareToken]/comments.post.ts`
- Create/Modify Tests: `server/service/comment-notify/index.test.ts`
- [ ] **Step 1: Write failing notify gating tests**
```ts
test("skips when global switch off", async () => {
// expect no send call
});
test("skips when target user has notify disabled", async () => {
// expect no send call
});
```
- [ ] **Step 2: Run targeted tests**
Run: `bun test server/service/comment-notify/index.test.ts`
Expected: FAIL (service missing).
- [ ] **Step 3: Implement best-effort notify service**
```ts
export async function notifyOnCommentReply(input: { postId: number; commentId: number; actorUserId: number | null; parentId: number | null }) {
if (!input.parentId) return;
// load target comment author -> user
// check global config + smtp readiness + user pref + user email
// send and catch errors with logger.error(...)
}
```
- [ ] **Step 4: Integrate into POST handlers**
```ts
const id = await createComment(...);
void notifyOnCommentReply({ postId, commentId: id, actorUserId: viewer?.id ?? null, parentId: body.parentId ?? null });
return R.success({ id });
```
- [ ] **Step 5: Run tests**
Run: `bun test server/service/comment-notify/index.test.ts`
Expected: PASS.
- [ ] **Step 6: Commit**
```bash
git add server/service/comment-notify/index.ts server/service/comment-notify/index.test.ts server/api/public/profile/[publicSlug]/posts/[postSlug]/comments.post.ts server/api/public/unlisted/[publicSlug]/[shareToken]/comments.post.ts
git commit -m "feat(notify): send best-effort comment reply emails"
```
---
### Task 8: End-to-End Verification and Documentation Update
**Files:**
- Modify (if needed): `docs/superpowers/specs/2026-04-20-comment-email-config-design.md`
- Modify/Create: any README/admin docs that mention config keys
- [ ] **Step 1: Run full relevant test suite**
Run: `bun test server/utils/post-comment-guest.test.ts server/service/comment-notify/index.test.ts server/service/config/registry.test.ts`
Expected: PASS.
- [ ] **Step 2: Run static verification**
Run: `bun run typecheck`
Expected: PASS.
- [ ] **Step 3: Manually verify key flows**
Run app and validate:
1. Admin saves SMTP config and test-send succeeds.
2. Guest comment requires email unless anonymous checked.
3. Logged-in user without email can comment but sees warning.
4. User can toggle notify preference and it affects send decision.
- [ ] **Step 4: Commit verification/doc touch-ups**
```bash
git add docs/superpowers/specs/2026-04-20-comment-email-config-design.md
git commit -m "docs(comment-email): align spec notes with implementation checks"
```
---
## Self-Review
- **Spec coverage:** All approved requirements are mapped to tasks: global SMTP config, guest anonymous/email rule, user notify preference default true, non-blocking send, and admin test-send.
- **Placeholder scan:** No `TODO/TBD` placeholders remain; each code step has concrete snippet and command.
- **Type consistency:** Config keys use a consistent prefix (`comment*`) across registry, UI, and notification service tasks.
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