Add bounce mailbox processing

src/govoplan_mail/backend/schemas.py

@@ -454,3 +454,62 @@ class MailDeliveryResendRequest(BaseModel):
     model_config = ConfigDict(extra="forbid")
 
     idempotency_key: str = Field(min_length=1, max_length=200)
+
+
+class MailBounceSourceRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    profile_id: str = Field(min_length=1, max_length=36)
+    folder: str = Field(default="INBOX", min_length=1, max_length=255)
+    imap_server_id: str | None = Field(default=None, max_length=36)
+    imap_credential_id: str | None = Field(default=None, max_length=36)
+    is_active: bool = True
+
+
+class MailBounceSourceResponse(BaseModel):
+    id: str
+    tenant_id: str
+    profile_id: str
+    folder: str
+    imap_server_id: str | None = None
+    imap_credential_id: str | None = None
+    expected_imap_transport_revision: str
+    is_active: bool
+    uidvalidity: str | None = None
+    highest_processed_uid: int
+    last_scanned_at: datetime | None = None
+    last_success_at: datetime | None = None
+    last_error: str | None = None
+
+
+class MailBounceSourceListResponse(BaseModel):
+    sources: list[MailBounceSourceResponse]
+
+
+class MailBounceObservationResponse(BaseModel):
+    id: str
+    tenant_id: str
+    profile_id: str
+    folder: str
+    uid: str
+    original_message_id: str | None = None
+    command_id: str | None = None
+    recipient: str | None = None
+    action: str
+    status_code: str | None = None
+    diagnostic: str | None = None
+    permanent: bool
+    observed_at: datetime
+    matched: bool
+    evidence: dict[str, Any] = Field(default_factory=dict)
+
+
+class MailBounceObservationListResponse(BaseModel):
+    observations: list[MailBounceObservationResponse]
+
+
+class MailBounceScanResponse(BaseModel):
+    sources: int
+    processed_messages: int
+    observations: int
+    failures: list[dict[str, str]] = Field(default_factory=list)