fix: show tool discovery details in chat bubbles (#1237)

app/src/androidTest/java/com/m57/hermescontrol/ui/chat/ToolDiscoveryBubbleTest.kt

@@ -0,0 +1,57 @@
+package com.m57.hermescontrol.ui.chat
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import com.m57.hermescontrol.theme.HermesControlTheme
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class ToolDiscoveryBubbleTest {
+    @get:Rule val composeRule = createComposeRule()
+
+    @Test
+    fun tappingSearchBubbleShowsMatchedToolDetails() {
+        showBubble(
+            "tool_search",
+            """{"name":"tool_search","args":{"queries":["process output"]},"result":{"results":[{"query":"process output","matches":["process_manage"]}],"tools":{"process_manage":{"description":"Poll a background process","source_name":"terminal","required":["action"]}}}}""",
+        )
+
+        composeRule.onNodeWithText("process output (1 match)", substring = true).performClick()
+        composeRule.onNodeWithText("Poll a background process", substring = true).assertExists()
+    }
+
+    @Test
+    fun tappingDescribeBubbleShowsSchema() {
+        showBubble(
+            "tool_describe",
+            """{"name":"tool_describe","args":{"names":["process_manage"]},"result":{"tools":{"process_manage":{"description":"Poll a background process","parameters":{"type":"object","properties":{"action":{"type":"string","description":"Action to take"}},"required":["action"]}}}}}""",
+        )
+
+        composeRule.onNodeWithText("process_manage (1 tool)", substring = true).performClick()
+        composeRule.onNodeWithText("Action to take", substring = true).assertExists()
+    }
+
+    private fun showBubble(
+        name: String,
+        content: String,
+    ) {
+        composeRule.setContent {
+            HermesControlTheme {
+                ToolBubble(
+                    ChatMessage(
+                        role = MessageRole.TOOL,
+                        content = content,
+                        toolName = name,
+                        toolStatus = ToolStatus.COMPLETED,
+                    ),
+                )
+            }
+        }
+    }
+}