diff --git a/apps/mobile/src/screens/session-transcript.test.tsx b/apps/mobile/src/screens/session-transcript.test.tsx
index c28c965..4d94a01 100644
--- a/apps/mobile/src/screens/session-transcript.test.tsx
+++ b/apps/mobile/src/screens/session-transcript.test.tsx
@@ -277,35 +277,107 @@ test("renders an unfinished code fence while assistant text streams", () => {
   expect(screen.queryByText(/```/)).toBeNull();
 });
 
-test("renders short reasoning inline with bold markdown", () => {
+test("renders finished short reasoning inline with bold markdown", () => {
   render(
     <SessionTranscriptRow
       message={{
         agent: "build",
-        content: [{ text: "**Adding mocks to repository tests**", type: "reasoning" }],
+        content: [
+          {
+            text: "**Adding mocks to repository tests**",
+            time: { completed: 2, created: 1 },
+            type: "reasoning",
+          },
+        ],
         id: "msg_inline_reasoning",
         model: { id: "model-1", providerID: "provider" },
-        time: { created: 1 },
+        time: { completed: 2, created: 1 },
         type: "assistant",
       }}
     />,
   );
 
   expect(screen.getByText("THOUGHT")).toBeOnTheScreen();
+  expect(screen.queryByText("THINKING")).toBeNull();
   expect(screen.getByText("Adding mocks to repository tests")).toHaveStyle({ fontWeight: "800" });
   expect(screen.queryByText(/\*\*/)).toBeNull();
   expect(screen.queryByRole("button", { name: /Thought/ })).toBeNull();
 });
 
+test("labels reasoning as thinking until the part completes", () => {
+  const { rerender } = render(
+    <SessionTranscriptRow
+      message={{
+        agent: "build",
+        content: [{ text: "Checking the failing test", time: { created: 1 }, type: "reasoning" }],
+        id: "msg_streaming_reasoning",
+        model: { id: "model-1", providerID: "provider" },
+        time: { created: 1 },
+        type: "assistant",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("THINKING")).toBeOnTheScreen();
+  expect(screen.queryByText("THOUGHT")).toBeNull();
+
+  rerender(
+    <SessionTranscriptRow
+      message={{
+        agent: "build",
+        content: [
+          {
+            text: "Checking the failing test",
+            time: { completed: 2, created: 1 },
+            type: "reasoning",
+          },
+        ],
+        id: "msg_streaming_reasoning",
+        model: { id: "model-1", providerID: "provider" },
+        time: { completed: 2, created: 1 },
+        type: "assistant",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("THOUGHT")).toBeOnTheScreen();
+  expect(screen.queryByText("THINKING")).toBeNull();
+});
+
+test("settles reasoning when the message completes without a part completion time", () => {
+  render(
+    <SessionTranscriptRow
+      message={{
+        agent: "build",
+        content: [{ text: "First step\nSecond step", time: { created: 1 }, type: "reasoning" }],
+        id: "msg_settled_message_reasoning",
+        model: { id: "model-1", providerID: "provider" },
+        time: { completed: 2, created: 1 },
+        type: "assistant",
+      }}
+    />,
+  );
+
+  expect(screen.queryByRole("button", { name: /Thinking/ })).toBeNull();
+  fireEvent.press(screen.getByRole("button", { name: /Thought/ }));
+  expect(screen.getByText("First step\nSecond step")).toBeOnTheScreen();
+});
+
 test("keeps multiline reasoning in a disclosure", () => {
   render(
     <SessionTranscriptRow
       message={{
         agent: "build",
-        content: [{ text: "First step\nSecond step", type: "reasoning" }],
+        content: [
+          {
+            text: "First step\nSecond step",
+            time: { completed: 2, created: 1 },
+            type: "reasoning",
+          },
+        ],
         id: "msg_multiline_reasoning",
         model: { id: "model-1", providerID: "provider" },
-        time: { created: 1 },
+        time: { completed: 2, created: 1 },
         type: "assistant",
       }}
     />,
@@ -316,6 +388,122 @@ test("keeps multiline reasoning in a disclosure", () => {
   expect(screen.getByText("First step\nSecond step")).toBeOnTheScreen();
 });
 
+test("labels an exploration group as exploring while a search is in flight", () => {
+  const { rerender } = render(
+    <SessionTranscriptRow
+      message={{
+        agent: "build",
+        content: [
+          {
+            id: "tool-read",
+            name: "read",
+            state: {
+              content: [{ text: "source", type: "text" }],
+              input: { path: "src/a.ts" },
+              status: "completed",
+            },
+            time: { completed: 1_400, created: 1_100 },
+            type: "tool",
+          },
+          {
+            id: "tool-grep",
+            name: "grep",
+            state: { input: { pattern: "TODO" }, metadata: {}, status: "running" },
+            time: { created: 1_500 },
+            type: "tool",
+          },
+        ],
+        id: "msg_exploring",
+        model: { id: "model-1", providerID: "provider" },
+        time: { created: 1_000 },
+        type: "assistant",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("Exploring")).toBeOnTheScreen();
+  expect(screen.getByText("2 searches · Running")).toBeOnTheScreen();
+  expect(screen.queryByText("Explored")).toBeNull();
+
+  rerender(
+    <SessionTranscriptRow
+      message={{
+        agent: "build",
+        content: [
+          {
+            id: "tool-read",
+            name: "read",
+            state: {
+              content: [{ text: "source", type: "text" }],
+              input: { path: "src/a.ts" },
+              status: "completed",
+            },
+            time: { completed: 1_400, created: 1_100 },
+            type: "tool",
+          },
+          {
+            id: "tool-grep",
+            name: "grep",
+            state: {
+              content: [{ text: "match", type: "text" }],
+              input: { pattern: "TODO" },
+              status: "completed",
+            },
+            time: { completed: 1_700, created: 1_500 },
+            type: "tool",
+          },
+        ],
+        id: "msg_exploring",
+        model: { id: "model-1", providerID: "provider" },
+        time: { created: 1_000 },
+        type: "assistant",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("Explored")).toBeOnTheScreen();
+  expect(screen.getByText("2 searches")).toBeOnTheScreen();
+  expect(screen.queryByText("Exploring")).toBeNull();
+});
+
+test("labels a shell message as running until it exits", () => {
+  const { rerender } = render(
+    <SessionTranscriptRow
+      message={{
+        command: "pnpm test",
+        id: "msg_shell_running",
+        output: { cursor: 1, output: "shell output", size: 2, truncated: false },
+        shellID: "shell-2",
+        status: "running",
+        time: { created: 8 },
+        type: "shell",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("Running")).toBeOnTheScreen();
+  expect(screen.getByText("pnpm test · Running")).toBeOnTheScreen();
+  expect(screen.queryByText("Ran")).toBeNull();
+
+  rerender(
+    <SessionTranscriptRow
+      message={{
+        command: "pnpm test",
+        id: "msg_shell_running",
+        output: { cursor: 2, output: "shell output", size: 2, truncated: false },
+        shellID: "shell-2",
+        status: "exited",
+        time: { created: 8 },
+        type: "shell",
+      }}
+    />,
+  );
+
+  expect(screen.getByText("Ran")).toBeOnTheScreen();
+  expect(screen.getByText("pnpm test")).toBeOnTheScreen();
+  expect(screen.queryByText("Running")).toBeNull();
+});
+
 test("groups completed assistant activity and places narrative metadata in the footer", () => {
   const openDiff = jest.fn();
   render(
diff --git a/apps/mobile/src/screens/session-transcript.tsx b/apps/mobile/src/screens/session-transcript.tsx
index 8293dc9..c08fb65 100644
--- a/apps/mobile/src/screens/session-transcript.tsx
+++ b/apps/mobile/src/screens/session-transcript.tsx
@@ -99,10 +99,11 @@ export const SessionTranscriptRow = memo(function SessionTranscriptRow({
               );
             }
             if (part.type === "reasoning") {
+              const settled = isSettledReasoning(message, part);
               return isInlineReasoning(part.text) ? (
                 <InlineMarkdownText
                   key={key}
-                  prefix="THOUGHT"
+                  prefix={settled ? "THOUGHT" : "THINKING"}
                   prefixStyle={styles.reasoningLabel}
                   style={styles.reasoningText}
                   text={part.text}
@@ -110,7 +111,7 @@ export const SessionTranscriptRow = memo(function SessionTranscriptRow({
               ) : (
                 <Disclosure
                   key={key}
-                  label="Thought"
+                  label={settled ? "Thought" : "Thinking"}
                   largeText={largeText}
                   markdown
                   text={part.text}
@@ -310,7 +311,7 @@ function ExplorationDisclosure({
         canExpand
         detail={detail}
         expanded={expanded}
-        label="Explored"
+        label={isActivityInFlight(tools) ? "Exploring" : "Explored"}
         largeText={largeText}
         onPress={() => setExpanded((current) => !current)}
       />
@@ -538,7 +539,7 @@ function ShellDisclosure({ largeText, message }: { largeText: boolean; message:
           canExpand={canExpand}
           detail={detail}
           expanded={expanded}
-          label={message.status === "exited" ? "Ran" : "Shell"}
+          label={message.status === "running" ? "Running" : "Ran"}
           largeText={largeText}
           onPress={() => setExpanded((current) => !current)}
         />
@@ -1206,6 +1207,10 @@ function activityGroupStatus(tools: AssistantTool[]) {
   return undefined;
 }
 
+function isActivityInFlight(tools: AssistantTool[]) {
+  return tools.some((tool) => tool.state.status === "running" || tool.state.status === "streaming");
+}
+
 function shellStatusLabel(message: ShellMessage) {
   if (message.status === "running") return "Running";
   if (message.status === "timeout") return "Timed out";
@@ -1230,6 +1235,13 @@ function isInlineReasoning(text: string) {
   return text.length <= maxInlineReasoning && !/[\r\n]/.test(text);
 }
 
+function isSettledReasoning(
+  message: AssistantMessage,
+  part: Extract<AssistantPart, { type: "reasoning" }>,
+) {
+  return part.time?.completed !== undefined || message.time.completed !== undefined;
+}
+
 function basename(path: string) {
   return path.split(/[\\/]/).filter(Boolean).at(-1) ?? "Location";
 }
diff --git a/apps/mobile/src/screens/workspace-screen.integration.test.tsx b/apps/mobile/src/screens/workspace-screen.integration.test.tsx
index a7fb6b3..4574399 100644
--- a/apps/mobile/src/screens/workspace-screen.integration.test.tsx
+++ b/apps/mobile/src/screens/workspace-screen.integration.test.tsx
@@ -76,8 +76,16 @@ jest.mock("@opencode2-mobile/opencode-adapter", () => ({
                 agent: "build",
                 content: [
                   { text: "Newest answer", type: "text" },
-                  { text: "Private reasoning", type: "reasoning" },
-                  { text: "Detailed reasoning\nSecond step", type: "reasoning" },
+                  {
+                    text: "Private reasoning",
+                    time: { completed: 4, created: 3 },
+                    type: "reasoning",
+                  },
+                  {
+                    text: "Detailed reasoning\nSecond step",
+                    time: { completed: 5, created: 3 },
+                    type: "reasoning",
+                  },
                 ],
                 id: "msg_assistant",
                 model: { id: "model-1", providerID: "provider" },