feat(WP-0002): complete Triggers & Ops workstream

Delivers all 12 tasks (T22–T33): Temporal Schedule manager + startup
sync, NATS JetStream event router, FastAPI CRUD + manual trigger,
Prometheus metrics wiring, custom search-attribute tagging, and
operational runbook. Marks workplan status as done.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

uv.lock

@@ -9,6 +9,7 @@ dependencies = [
     { name = "alembic" },
     { name = "asyncpg" },
     { name = "fastapi" },
+    { name = "nats-py" },
     { name = "pydantic" },
     { name = "sqlalchemy", extra = ["asyncio"] },
     { name = "temporalio" },
@@ -27,6 +28,7 @@ requires-dist = [
     { name = "alembic", specifier = ">=1.14" },
     { name = "asyncpg", specifier = ">=0.29" },
     { name = "fastapi", specifier = ">=0.115" },
+    { name = "nats-py", specifier = ">=2.7" },
     { name = "pydantic", specifier = ">=2.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.24" },
@@ -367,6 +369,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/70/bc/6f1c2f612465f5fa89b95bead1f44dcb607670fd42891d8fdcd5d039f4f4/markupsafe-3.0.3-cp314-cp314t-win_arm64.whl", hash = "sha256:32001d6a8fc98c8cb5c947787c5d08b0a50663d139f1305bac5885d98d9b40fa", size = 14146 },
 ]
 
+[[package]]
+name = "nats-py"
+version = "2.14.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/c3/f8/b956c4621ba88748ed707c52e69f95b7a50c8914e750edca59a5bef84a76/nats_py-2.14.0.tar.gz", hash = "sha256:4ed02cb8e3b55c68074a063aa2687087115d805d1513297da90cb2068fb07bed", size = 120751 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f9/39/0e87753df1072254bac190b33ed34b264f28f6aa9bea0f01b7e818071756/nats_py-2.14.0-py3-none-any.whl", hash = "sha256:4116f5d2233ce16e63c3d5538fa40a5e207f75fcf42a741773929ddf1e29d19d", size = 82259 },
+]
+
 [[package]]
 name = "nexus-rpc"
 version = "1.3.0"