chore(prep): shared groundwork for the Sprint-2 parallel batch

第二批（T6~T11）协调提交：
- 迁移 0005：kb 七表（entity/relation/rule/chunk vector1024+tsv 生成列/
  asset/color/gap），HNSW+GIN 索引，FK 级联
- ORM：七个 Kb* 模型（pgvector Vector/TSVECTOR/Computed）
- 配置：检索与 embedding、华为 JWKS、短信全参数组
- 错误码：40110/40111/42910/42911/61000
- 骨架路由：kb.py + auth_sms.py（已注册）；依赖：tencentcloud-sdk-python-sms
  + spike extra（onnxruntime/opencv）；gitignore：models/ 与 spike 输出

packages/shared/errors.py

@@ -32,6 +32,8 @@ class ErrorCode(IntEnum):
     REFRESH_TOKEN_INVALID = 40103
     REFRESH_TOKEN_EXPIRED = 40104
     SESSION_REVOKED = 40105
+    SMS_CODE_INVALID = 40110
+    SMS_CODE_EXPIRED = 40111
     FORBIDDEN = 40300
     QUOTA_EXHAUSTED = 40301
     CONSENT_REQUIRED = 40302
@@ -42,6 +44,8 @@ class ErrorCode(IntEnum):
     STATE_CONFLICT = 40900
     TASK_BONUS_ALREADY_CLAIMED = 40910
     RATE_LIMITED = 42900
+    SMS_SEND_TOO_FREQUENT = 42910
+    SMS_DAILY_LIMIT = 42911
 
     # --- 5xxxx server -----------------------------------------------------
     INTERNAL_ERROR = 50000
@@ -58,6 +62,7 @@ class ErrorCode(IntEnum):
     LLM_PROMPT_CACHE_VIOLATION = 60004
     MODERATION_UNAVAILABLE = 60005
     LLM_SCENE_DEGRADED = 60006
+    SMS_PROVIDER_FAILED = 61000
 
 
 @dataclass(frozen=True, slots=True)
@@ -84,6 +89,8 @@ ERROR_META: dict[ErrorCode, ErrorMeta] = {
     ErrorCode.REFRESH_TOKEN_INVALID: ErrorMeta(401, "登录状态无效", "请重新登录"),
     ErrorCode.REFRESH_TOKEN_EXPIRED: ErrorMeta(401, "登录状态已过期", "请重新登录"),
     ErrorCode.SESSION_REVOKED: ErrorMeta(401, "该会话已登出", "请重新登录"),
+    ErrorCode.SMS_CODE_INVALID: ErrorMeta(401, "验证码错误", "请检查后重试"),
+    ErrorCode.SMS_CODE_EXPIRED: ErrorMeta(401, "验证码已过期", "请重新获取"),
     ErrorCode.FORBIDDEN: ErrorMeta(403, "没有访问权限"),
     ErrorCode.QUOTA_EXHAUSTED: ErrorMeta(403, "今日额度已用完", "明天恢复，或完成任务多换几次"),
     ErrorCode.CONSENT_REQUIRED: ErrorMeta(403, "需要先完成授权", "请阅读并同意后继续"),
@@ -98,6 +105,8 @@ ERROR_META: dict[ErrorCode, ErrorMeta] = {
         409, "这个周期的任务奖励已领取", "下个周期再来"
     ),
     ErrorCode.RATE_LIMITED: ErrorMeta(429, "操作太频繁了", "请稍后再试"),
+    ErrorCode.SMS_SEND_TOO_FREQUENT: ErrorMeta(429, "发送太频繁了", "请稍后再试"),
+    ErrorCode.SMS_DAILY_LIMIT: ErrorMeta(429, "今日发送次数已达上限", "明天再试"),
     ErrorCode.INTERNAL_ERROR: ErrorMeta(500, "服务开小差了", "请稍后重试"),
     ErrorCode.DB_ERROR: ErrorMeta(500, "服务开小差了", "请稍后重试"),
     ErrorCode.TASK_STATE_INVALID: ErrorMeta(500, "任务状态异常", "请到任务中心重试"),
@@ -120,6 +129,7 @@ ERROR_META: dict[ErrorCode, ErrorMeta] = {
     ErrorCode.LLM_SCENE_DEGRADED: ErrorMeta(
         503, "该功能今日暂时关闭", "AI 服务今日已达服务上限，明天恢复"
     ),
+    ErrorCode.SMS_PROVIDER_FAILED: ErrorMeta(502, "短信服务暂时不可用", "请稍后重试"),
 }