feat(mail): add governed JMAP mailbox sync and search

src/govoplan_mail/backend/schemas.py

@@ -197,7 +197,7 @@ class MailServerEndpointResponse(BaseModel):
     id: str
     profile_id: str
     tenant_id: str | None = None
-    protocol: Literal["smtp", "imap", "pop3"]
+    protocol: Literal["smtp", "imap", "jmap", "pop3"]
     name: str
     config: dict[str, Any] = Field(default_factory=dict)
     scope_type: MailProfileScope
@@ -214,7 +214,7 @@ class MailServerEndpointResponse(BaseModel):
 class MailServerEndpointCreateRequest(BaseModel):
     model_config = ConfigDict(extra="forbid")
 
-    protocol: Literal["smtp", "imap", "pop3"]
+    protocol: Literal["smtp", "imap", "jmap", "pop3"]
     name: str = Field(min_length=1, max_length=255)
     config: dict[str, Any] = Field(default_factory=dict)
     inherit_to_lower_scopes: bool | None = None
@@ -383,7 +383,7 @@ class MailContactCreateResponse(BaseModel):
 
 class MailConnectionTestResponse(BaseModel):
     ok: bool
-    protocol: Literal["smtp", "imap", "pop3"]
+    protocol: Literal["smtp", "imap", "jmap", "pop3"]
     host: str | None = None
     port: int | None = None
     security: str | None = None
@@ -476,7 +476,7 @@ class MailImapFolderResponse(BaseModel):
 
 class MailImapFolderListResponse(BaseModel):
     ok: bool
-    protocol: Literal["imap"] = "imap"
+    protocol: Literal["imap", "jmap"] = "imap"
     host: str | None = None
     port: int | None = None
     security: str | None = None
@@ -536,6 +536,18 @@ class MailMailboxMessageListResponse(BaseModel):
     messages: list[MailMailboxMessageSummaryResponse] = Field(default_factory=list)
 
 
+class MailMailboxChangesResponse(BaseModel):
+    profile_id: str
+    protocol: Literal["jmap"] = "jmap"
+    account_id: str
+    old_state: str
+    new_state: str
+    has_more_changes: bool = False
+    created: list[str] = Field(default_factory=list)
+    updated: list[str] = Field(default_factory=list)
+    destroyed: list[str] = Field(default_factory=list)
+
+
 class MailMailboxBootstrapResponse(BaseModel):
     profile_id: str
     folder: str