fix: support conversational mode draft updates

src/cognitive_agent/server.py

@@ -43,6 +43,10 @@ from cognitive_agent.application.codex_assistant import (  # noqa: E402
     CodexVehicleToolError,
 )
 from cognitive_agent.application.gesture_bridge import GestureCapabilityBridge  # noqa: E402
+from cognitive_agent.application.mode_profile_intent import (  # noqa: E402
+    normalize_mode_profile_name,
+    parse_mode_profile_update,
+)
 from cognitive_agent.application.seat_service import SeatDemoService  # noqa: E402
 from cognitive_agent.application.self_extension import (  # noqa: E402
     ExtensionIntegrationError,
@@ -1657,6 +1661,25 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
             if payload.get("reasoning_effort") is not None
             else "low"
         )
+        mode_profile_draft_context = payload.get("mode_profile_draft_context")
+        parsed_mode_update = parse_mode_profile_update(
+            message,
+            expected_mode_name=(
+                mode_profile_draft_context.get("name")
+                if isinstance(mode_profile_draft_context, Mapping)
+                else None
+            ),
+        )
+        matching_mode_profile_draft_context = (
+            dict(mode_profile_draft_context)
+            if isinstance(mode_profile_draft_context, Mapping)
+            and parsed_mode_update is not None
+            and normalize_mode_profile_name(parsed_mode_update[0])
+            == normalize_mode_profile_name(
+                mode_profile_draft_context.get("name")
+            )
+            else None
+        )
         common_arguments: dict[str, object] = {
             "utterance": message,
             # Codex has already converted an implicit request into one explicit
@@ -1672,6 +1695,15 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
             "hardware_access_bypass": self._hardware_access_bypass_allowed(),
             "reasoning_effort": reasoning_effort,
             "control_transport": str(payload.get("control_transport") or "wired_can"),
+            **(
+                {
+                    "mode_profile_draft_context": (
+                        matching_mode_profile_draft_context
+                    )
+                }
+                if matching_mode_profile_draft_context is not None
+                else {}
+            ),
         }
         capability_catalog = self._assistant_capability_catalog()
         capability_snapshot = capability_catalog.snapshot()
@@ -1783,6 +1815,7 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
                 control_terms=capability_catalog.control_terms(capability_snapshot),
                 query_capabilities=capability_catalog.query,
                 authoritative_answer=fast_answer.answer if fast_answer else None,
+                mode_profile_draft_context=mode_profile_draft_context,
             )
         except HardwareAccessRequiredError as exc:
             self.vehicle_display_sync.update_task(