diff --git a/tests/test_tui_gateway_server.py b/tests/test_tui_gateway_server.py
index 0fca69f3e8..4c758cca36 100644
--- a/tests/test_tui_gateway_server.py
+++ b/tests/test_tui_gateway_server.py
@@ -10868,7 +10868,7 @@ def test_slash_exec_r7_read_commands_use_metadata_mirror_flag_on(monkeypatch):
         "history": "live question from state db",
         "prompt": "host system prompt",
         "status": "Tokens: 140",
-        "context": "Context usage: ~80 / 1,000 tokens",
+        "context": "Context usage: 80 / 1,000 tokens",
         "tools": "terminal",
         "help": "/status",
     }
@@ -10886,6 +10886,16 @@ def test_slash_exec_r7_read_commands_use_metadata_mirror_flag_on(monkeypatch):
             assert expected in resp["result"]["output"]
             assert "stale parent mirror" not in resp["result"]["output"]
             assert "(._.)" not in resp["result"]["output"]
+        mirrored_usage = server._sessions["sid"]["_metadata_mirror"]["usage"]
+        for estimated in (True, False):
+            mirrored_usage["context_estimated"] = estimated
+            mirrored_usage["context_source"] = "local_estimate" if estimated else "provider_usage"
+            response = server.handle_request({
+                "id": "context-provenance", "method": "slash.exec",
+                "params": {"command": "context", "session_id": "sid"},
+            })
+            mark = "~" if estimated else ""
+            assert f"Context usage: {mark}80 / 1,000 tokens ({mark}8.0%)" in response["result"]["output"]
     finally:
         server._sessions.pop("sid", None)
 
diff --git a/ui-tui/src/__tests__/appChromeStatusRule.test.tsx b/ui-tui/src/__tests__/appChromeStatusRule.test.tsx
index 500e5924dc..06a6883c5a 100644
--- a/ui-tui/src/__tests__/appChromeStatusRule.test.tsx
+++ b/ui-tui/src/__tests__/appChromeStatusRule.test.tsx
@@ -114,7 +114,10 @@ describe('StatusRule session title', () => {
           usage: { ...baseProps.usage, context_estimated: estimated }
         }))
 
-        expect(text.includes('~')).toBe(estimated)
+        const context = text.match(/(~?\d+(?:\.\d+)?k(?:\/\d+k| tok))/)?.[1]
+
+        expect(context, `context must render at ${cols} columns`).toBeTruthy()
+        expect(context?.startsWith('~')).toBe(estimated)
       }
     }
   })