feat: durable (#794)

* durable (no-mistakes)

* hatchet no-mistake

* hatchet no-mistake

* hatchet no-mistake, better logging

* remove conductor and add hatchet tests (no-mistakes)

* self-review (no-mistakes)

* hatched logs

* remove shadow mode for hatchet

* and add hatchet processor setting to room

* .

* cleanup

* hatchet init db

* self-review (no-mistakes)

* self-review (no-mistakes)

* hatchet: restore zullip report

* self-review round

* self-review round

* self-review round

* dry hatchet with celery

* dry hatched with celery - 2

* self-review round

* more NES instead of str

* self-review wip

* self-review round

* self-review round

* self-review round

* can_replay cancelled

* add forgotten file

* pr autoreviewer fixes

* better log webhook events

* durable_started return

* migration sync

* latest changes feature parity

* migration merge

* pr review

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/reflector/settings.py

@@ -153,5 +153,19 @@ class Settings(BaseSettings):
     ZULIP_API_KEY: str | None = None
     ZULIP_BOT_EMAIL: str | None = None
 
+    # Durable workflow orchestration
+    # Provider: "hatchet" (or "none" to disable)
+    DURABLE_WORKFLOW_PROVIDER: str = "none"
+
+    # Hatchet workflow orchestration
+    HATCHET_CLIENT_TOKEN: str | None = None
+    HATCHET_CLIENT_TLS_STRATEGY: str = "none"  # none, tls, mtls
+    HATCHET_DEBUG: bool = False
+
+    @property
+    def HATCHET_ENABLED(self) -> bool:
+        """True if Hatchet is the active provider."""
+        return self.DURABLE_WORKFLOW_PROVIDER == "hatchet"
+
 
 settings = Settings()