feat: triage streams with open, close (#121)

* refactor: use interfaces for function params

* cleanup message retention code

* support open / closed streams

- Tabs for viewing separately
- Context menu to close / open streams
- Update stream particle status field

* ui tweak

* show stream state in stream-view

* ui tweaks

* cleanup message retention from orion api

js/src/features/compose/compose-overlay.tsx

@@ -23,6 +23,8 @@ interface ComposeOverlayProps {
   targetPath?: ParticlePath;
   onActiveChange?: (active: boolean) => void;
   onParticleCreated?: (particleId: string) => void;
+  /** When true, composing is blocked (e.g. stream is closed). */
+  disabled?: boolean;
 }
 
 
@@ -37,6 +39,7 @@ export function ComposeOverlay({
   targetPath,
   onActiveChange,
   onParticleCreated,
+  disabled,
 }: ComposeOverlayProps) {
   const [step, setStep] = useState<ComposeStep>("idle");
   const [error, setError] = useState<string | null>(null);
@@ -56,6 +59,8 @@ export function ComposeOverlay({
   // Refs for synchronous reads in keyboard handlers
   const stepRef = useRef(step);
   const recordStartRef = useRef(0);
+  const disabledRef = useRef(disabled);
+  disabledRef.current = disabled;
 
   const setStepSync = useCallback((next: ComposeStep) => {
     stepRef.current = next;
@@ -303,7 +308,6 @@ export function ComposeOverlay({
         networkId,
         properties: {
           name: streamName,
-          status: "open",
         },
         createdByHumanId: userId,
         visibleTo,
@@ -342,6 +346,13 @@ export function ComposeOverlay({
 
       switch (currentStep) {
         case "idle": {
+          if (disabledRef.current) {
+            if ((e.key === "`" && !e.repeat) || e.key === "t" || e.key === "T") {
+              e.preventDefault();
+              toast.info("This stream is closed");
+            }
+            break;
+          }
           if (e.key === "`" && !e.repeat) {
             e.preventDefault();
             recordStartRef.current = Date.now();