feat: 静态通知同步 + 积分审计 JSONB 序列化修复
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# Static Notification Sync Protocol
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This document defines the static notification file contract and database sync semantics.
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Protocol verification status:
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- Sync plan source: `docs/plans/static-notification-sync-plan.md`
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- Static sync implementation source: `backend/src/core/config/notification/static_sync.py`
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- Static sync schema source: `backend/src/core/config/notification/static_schema.py`
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## Compatibility strategy
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- Additive evolution only.
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- Existing `source_key` values are stable identifiers and must not be repurposed.
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- Changing notification content must not reset user read state.
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- Removing a file has no effect by default; database pruning requires explicit CLI flag.
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## Static file location
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Static notification files live under:
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```text
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backend/src/core/config/static/notification/notifications/*.yaml
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```
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The sync command scans all `*.yaml` files in that directory unless a specific `source_key` is requested.
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## File schema
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Each YAML file contains two top-level sections:
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- `notification`
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- `targets`
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Example:
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```yaml
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notification:
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source_key: welcome_bonus
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version: 1
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type: system
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status: published
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published_at: 2026-04-10T08:00:00Z
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title: 新用户欢迎通知
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body: 你已获得注册奖励,可前往积分中心查看。
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payload:
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action: open_route
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route: /points
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tab: balance
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targets:
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mode: all_users
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```
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### notification
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- `source_key`: required, string, max 128, unique among static notifications
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- `version`: required, integer, `>= 1`
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- `type`: required, string, currently `system`
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- `status`: required, one of `draft`, `published`, `revoked`
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- `deleted`: optional, boolean, default `false`, soft-delete this notification
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- `published_at`: optional ISO 8601 timestamp
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- `title`: required, non-empty string
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- `body`: required, non-empty string
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- `payload`: required, must follow the notification payload protocol
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### targets
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- `mode`: required, one of `all_users`, `user_ids`
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- `user_ids`: required only when `mode = user_ids`
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Rules:
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- `mode = all_users`: `user_ids` must be absent
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- `mode = user_ids`: `user_ids` must be a non-empty UUID list
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## Payload contract
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`notification.payload` reuses the inbox notification payload schema.
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### action = "none"
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```yaml
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payload:
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action: none
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```
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### action = "open_route"
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```yaml
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payload:
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action: open_route
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route: /points
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entity_id: optional-id
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tab: balance
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```
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Rules:
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- `route`: required, max 200
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- `entity_id`: optional, max 64
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- `tab`: optional, max 32
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- `url`: must be absent
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### action = "open_url"
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```yaml
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payload:
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action: open_url
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url: https://example.com/page
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```
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Rules:
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- `url`: required, max 500
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- `route`, `entity_id`, `tab`: must be absent
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## Database mapping
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Static notifications map to `notifications` rows using:
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- `source = 'static'`
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- `source_key = notification.source_key`
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Additional notification fields:
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- `source_version = notification.version`
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- `content_hash = normalized content hash`
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Required uniqueness:
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- `UNIQUE(source, source_key)` where `source_key IS NOT NULL`
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## Sync semantics
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### Create
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If `(source='static', source_key=...)` does not exist:
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1. Create `notifications`
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2. Create `user_notifications` for target users
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### Update
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If `(source='static', source_key=...)` already exists:
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1. Update `title`, `body`, `payload`, `status`, `published_at`, `source_version`, `content_hash`
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2. Keep existing `user_notifications`
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3. Do not reset `is_read` or `read_at`
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### Revoke
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If `notification.status = revoked`:
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1. Update `notifications.status = 'revoked'`
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2. Set `revoked_at`
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3. Keep existing `user_notifications`
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### Soft delete
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If `notification.deleted = true`:
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1. Set `notifications.deleted_at`
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2. Keep existing `user_notifications`
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3. Exclude the notification from list/unread queries
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### Draft
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If `notification.status = draft`:
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1. Keep or create the main `notifications` row
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2. Do not expose it to users through list/unread queries
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3. Do not create new `user_notifications` during sync
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### File deletion
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Deleting a YAML file has no database effect by default.
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Reason:
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- Prevent accidental revocation/deletion from filesystem changes
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If the CLI is executed with `--prune`, then static notifications missing from the scanned files are soft-deleted by setting `deleted_at`.
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### Target changes
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Default behavior:
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- Newly added targets receive new `user_notifications`
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- Removed targets do not delete existing `user_notifications`
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This is intentionally non-destructive.
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If the CLI is executed with `--reconcile-targets`, existing `user_notifications` that are no longer part of the computed target set are deleted.
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## CLI contract
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Backend CLI command:
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```bash
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PYTHONPATH=backend/src uv run python -m core.runtime.cli sync-notifications
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```
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Supported options:
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- `--path <dir-or-file>`: override static notification source path
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- `--source-key <key>`: sync only one notification
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- `--dry-run`: validate and compute changes without writing to DB
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- `--prune`: soft-delete static notifications missing from the scanned files
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- `--reconcile-targets`: delete extra `user_notifications` not in the current target set
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Infra wrapper:
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```bash
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./infra/scripts/register-notifications.sh
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./infra/scripts/register-notifications.sh --dry-run
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./infra/scripts/register-notifications.sh --source-key welcome_bonus
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./infra/scripts/register-notifications.sh --prune --reconcile-targets
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```
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## Failure behavior
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- Invalid YAML structure must fail the sync run
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- Duplicate `source_key` across files must fail the sync run
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- Invalid payload structure must fail the sync run
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- Missing target users are not auto-created
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- Database write failure must fail the sync run
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No partial silent success is allowed.
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