feat(chat/activity): Self-improvement event badges for memory & skill updates (#744)

* feat(chat/activity): Self-improvement event badges for memory & skill updates (#737)

* feat(chat): Handle background review.summary WS events for self-improvement notices

---------

Co-authored-by: M57 <hy4ri@users.noreply.github.com>

app/src/test/java/com/m57/hermescontrol/ui/chat/ChatWsEventReducerTest.kt

@@ -375,4 +375,27 @@ class ChatWsEventReducerTest {
         assertEquals("Write tests", result.state.todos[0].content)
         assertTrue(result.state.todos[0].isCompleted)
     }
+
+    @Test
+    fun testReviewSummary_addsSystemMessage() {
+        val state = ChatUiState(currentSessionId = "session-1")
+        val event =
+            WsEvent.ReviewSummary(
+                text = "💾 Self-improvement review: Skill 'android-ci' patched",
+                sessionId = "session-1",
+            )
+
+        val result =
+            ChatWsEventReducer.reduce(
+                state = state,
+                streamingState = StreamingState(),
+                event = event,
+                currentSessionId = "session-1",
+            )
+
+        assertEquals(1, result.state.messages.size)
+        val msg = result.state.messages.first()
+        assertEquals(MessageRole.SYSTEM, msg.role)
+        assertEquals("💾 Self-improvement review: Skill 'android-ci' patched", msg.content)
+    }
 }

app/src/test/java/com/m57/hermescontrol/ui/chat/ToolBubbleParsingTest.kt

@@ -319,4 +319,33 @@ class ToolBubbleParsingTest {
         assertTrue(editDiff!!.contains("-val x = 1"))
         assertTrue(editDiff.contains("+val x = 2"))
     }
+
+    @Test
+    fun testParseSkillManage_createAndPatch() {
+        val createJson =
+            """{
+            "tool_id": "call_sm_1",
+            "name": "skill_manage",
+            "args": {"action": "patch", "name": "our-workflow"},
+            "result": {"success": true, "message": "Patched skill our-workflow"}
+        }"""
+        val parsed = parseToolOutput(createJson, "skill_manage", false)
+        assertNotNull(parsed)
+        assertEquals("⚡ Skill Patched: our-workflow", parsed!!.summaryText)
+        assertEquals("✅ Patched skill our-workflow", parsed.mainOutput)
+    }
+
+    @Test
+    fun testParseMemory_selfImprovementBadge() {
+        val memJson =
+            """{
+            "tool_id": "call_mem_1",
+            "name": "memory",
+            "args": {"action": "add", "target": "user"},
+            "result": {"success": true, "usage": "1,200 / 2,200 chars"}
+        }"""
+        val parsed = parseToolOutput(memJson, "memory", false)
+        assertNotNull(parsed)
+        assertEquals("🧠 Memory Saved (user)", parsed!!.summaryText)
+    }
 }

app/src/test/java/com/m57/hermescontrol/ui/system/SystemViewModelTest.kt

@@ -48,4 +48,11 @@ class SystemViewModelTest {
         viewModel.closeUpdateConfirm()
         assertFalse(viewModel.uiState.value.updateConfirmOpen)
     }
+
+    @Test
+    fun `initial uiState has null learningGraph`() {
+        val viewModel = SystemViewModel()
+
+        org.junit.Assert.assertNull(viewModel.uiState.value.learningGraph)
+    }
 }