fix(concurrency): Set+X on same line, status line with in-flight count and badge

2 files changed, 50 insertions, 0 deletions

diff --git a/src/features/concurrency/logic/view-model.test.ts b/src/features/concurrency/logic/view-model.test.ts
index c284ad0..6e6b770 100644
--- a/src/features/concurrency/logic/view-model.test.ts
+++ b/src/features/concurrency/logic/view-model.test.ts
@@ -14,6 +14,7 @@ import {
   pauseLabel,
   providerFromModel,
   providerOptions,
+  statusLabel,
   summarizeLimits,
   summarizeStatus,
   viewAutoReduce,
@@ -262,6 +263,42 @@ describe("viewConcurrencyStatus", () => {
   });
 });
 
+// ── statusLabel (the row's status badge word) ──────────────────────────────────
+
+describe("statusLabel", () => {
+  it("idle (no in-flight) → Idle", () => {
+    expect(
+      statusLabel(viewConcurrencyStatus(status({ inFlight: 0, limit: 4, queued: 0 }), 0)),
+    ).toBe("Idle");
+  });
+
+  it("serving under capacity → Active", () => {
+    expect(
+      statusLabel(viewConcurrencyStatus(status({ inFlight: 2, limit: 4, queued: 0 }), 0)),
+    ).toBe("Active");
+  });
+
+  it("at capacity with a queue → At capacity", () => {
+    expect(
+      statusLabel(viewConcurrencyStatus(status({ inFlight: 4, limit: 4, queued: 3 }), 0)),
+    ).toBe("At capacity");
+  });
+
+  it("at capacity but no queue → Active (not At capacity)", () => {
+    expect(
+      statusLabel(viewConcurrencyStatus(status({ inFlight: 4, limit: 4, queued: 0 }), 0)),
+    ).toBe("Active");
+  });
+
+  it("paused → Paused (regardless of in-flight/queue)", () => {
+    expect(
+      statusLabel(
+        viewConcurrencyStatus(status({ paused: true, inFlight: 4, limit: 4, queued: 3 }), 0),
+      ),
+    ).toBe("Paused");
+  });
+});
+
 // ── viewAutoReduce / autoReduceNotices (the auto-reduce banner view) ───────────
 
 describe("viewAutoReduce", () => {
diff --git a/src/features/concurrency/logic/view-model.ts b/src/features/concurrency/logic/view-model.ts
index e05423b..8a37198 100644
--- a/src/features/concurrency/logic/view-model.ts
+++ b/src/features/concurrency/logic/view-model.ts
@@ -261,6 +261,19 @@ export function viewConcurrencyStatus(
 }
 
 /**
+ * A short status word for a status view, for the row's status badge:
+ * "Paused" · "At capacity" (in-flight at the cap with a queue) · "Active"
+ * (in-flight > 0) · "Idle". Mirrors the badge-text branching so the template
+ * holds no branching logic.
+ */
+export function statusLabel(view: ConcurrencyStatusView): string {
+  if (view.paused) return "Paused";
+  if (view.inFlight >= view.limit && view.queued > 0) return "At capacity";
+  if (view.inFlight > 0) return "Active";
+  return "Idle";
+}
+
+/**
  * The auto-reduce banner view for a status entry, or `null` when it is not
  * auto-reduced. `message` prefers the backend's `notice` (verbatim, when present
  * + non-empty); otherwise a synthesized fallback is built from