T1-T4: tests de resilience, SDK PyPI ready, worker docker-compose, fix compat tests

tests/test_middleware_extended.py

@@ -8,7 +8,9 @@ from app.middleware import (
 def test_get_client_id_from_request_with_id():
     request = MagicMock()
     request.state.client_id = "test-client"
-    assert _get_client_id_from_request(request) == "test-client"
+    request.state.client_plan = "free"
+    # Key encodes client_id + plan for per-plan rate limiting
+    assert _get_client_id_from_request(request) == "test-client:free"
 
 def test_get_client_id_from_request_fallback():
     request = MagicMock()
@@ -30,5 +32,7 @@ def test_rate_limit_helpers():
 def test_rate_limit_keys():
     request = MagicMock()
     request.state.client_id = "abc"
-    assert upload_rate_limit_key(request) == "abc"
-    assert ai_rate_limit_key(request) == "abc"
+    request.state.client_plan = "free"
+    # Keys encode client_id + plan for bucket isolation
+    assert upload_rate_limit_key(request) == "abc:free"
+    assert ai_rate_limit_key(request) == "abc:free"