fix(transcripts): complete tools from user results

src/transcript-watcher.ts

@@ -40,6 +40,7 @@ interface TranscriptContentBlock {
   text?: string;
   name?: string;
   input?: Record<string, unknown>;
+  tool_use_id?: string;
   content?: string;
   is_error?: boolean;
 }
@@ -328,10 +329,7 @@ export class TranscriptWatcher extends EventEmitter {
         this.handleResultEntry(entry);
         break;
       case 'user':
-        // User message means new turn, reset some state
+        this.handleUserEntry(entry);
-        this.state.isComplete = false;
-        this.state.hasError = false;
-        this.state.errorMessage = null;
         break;
       case 'system':
         // System messages are informational
@@ -360,23 +358,42 @@ export class TranscriptWatcher extends EventEmitter {
           this.state.currentTool = block.name;
           this.emit('transcript:tool_start', block.name);
         } else if (block.type === 'tool_result') {
-          // Tool completed
+          this.handleToolResult(block);
-          const wasError = block.is_error === true;
-          const toolName = this.state.currentTool;
-          this.state.toolExecuting = false;
-          this.state.currentTool = null;
-          if (toolName) {
-            this.emit('transcript:tool_end', toolName, wasError);
-          }
-          if (wasError && block.content) {
-            this.state.hasError = true;
-            this.state.errorMessage = String(block.content).slice(0, 200);
-          }
         }
       }
     }
   }
 
+  private handleUserEntry(entry: TranscriptEntry): void {
+    // A user-authored prompt starts a turn, while Claude tool results also use
+    // user entries. Reset turn state first, then close any completed tool.
+    this.state.isComplete = false;
+    this.state.hasError = false;
+    this.state.errorMessage = null;
+
+    const content = entry.message?.content;
+    if (!Array.isArray(content)) return;
+    for (const block of content) {
+      if (block.type === 'tool_result') {
+        this.handleToolResult(block);
+      }
+    }
+  }
+
+  private handleToolResult(block: TranscriptContentBlock): void {
+    const wasError = block.is_error === true;
+    const toolName = this.state.currentTool;
+    this.state.toolExecuting = false;
+    this.state.currentTool = null;
+    if (toolName) {
+      this.emit('transcript:tool_end', toolName, wasError);
+    }
+    if (wasError && block.content) {
+      this.state.hasError = true;
+      this.state.errorMessage = String(block.content).slice(0, 200);
+    }
+  }
+
   private handleResultEntry(entry: TranscriptEntry): void {
     // Result entry indicates completion
     this.state.isComplete = true;

test/transcript-watcher.test.ts

@@ -88,14 +88,16 @@ describe('TranscriptWatcher', () => {
       watcher.start(testFile);
 
       // Add user entry
-      const userEntry = { type: 'user', timestamp: new Date().toISOString(), message: { role: 'user', content: 'test' } };
+      const userEntry = {
+        type: 'user',
+        timestamp: new Date().toISOString(),
+        message: { role: 'user', content: 'test' },
+      };
       appendFileSync(testFile, JSON.stringify(userEntry) + '\n');
 
-      // Wait for processing
+      await vi.waitFor(() => {
-      await new Promise(resolve => setTimeout(resolve, 100));
+        expect(watcher.getState().entryCount).toBeGreaterThanOrEqual(1);
-
+      });
-      const state = watcher.getState();
-      expect(state.entryCount).toBeGreaterThanOrEqual(1);
     });
 
     it('should emit transcript:complete on result entry', async () => {
@@ -109,10 +111,9 @@ describe('TranscriptWatcher', () => {
       const resultEntry = { type: 'result', timestamp: new Date().toISOString() };
       appendFileSync(testFile, JSON.stringify(resultEntry) + '\n');
 
-      // Wait for processing
+      await vi.waitFor(() => {
-      await new Promise(resolve => setTimeout(resolve, 200));
+        expect(completeHandler).toHaveBeenCalled();
-
+      });
-      expect(completeHandler).toHaveBeenCalled();
       const state = watcher.getState();
       expect(state.isComplete).toBe(true);
     });
@@ -130,22 +131,62 @@ describe('TranscriptWatcher', () => {
         timestamp: new Date().toISOString(),
         message: {
           role: 'assistant',
-          content: [
+          content: [{ type: 'tool_use', name: 'Read', input: { file_path: '/test.txt' } }],
-            { type: 'tool_use', name: 'Read', input: { file_path: '/test.txt' } }
+        },
-          ]
-        }
       };
       appendFileSync(testFile, JSON.stringify(assistantEntry) + '\n');
 
-      // Wait for processing
+      await vi.waitFor(() => {
-      await new Promise(resolve => setTimeout(resolve, 200));
+        expect(toolStartHandler).toHaveBeenCalledWith('Read');
-
+      });
-      expect(toolStartHandler).toHaveBeenCalledWith('Read');
       const state = watcher.getState();
       expect(state.toolExecuting).toBe(true);
       expect(state.currentTool).toBe('Read');
     });
 
+    it('should complete a tool when Claude writes tool_result in a user entry', async () => {
+      writeFileSync(testFile, '');
+      watcher.start(testFile);
+
+      const toolEndHandler = vi.fn();
+      watcher.on('transcript:tool_end', toolEndHandler);
+
+      appendFileSync(
+        testFile,
+        JSON.stringify({
+          type: 'assistant',
+          timestamp: new Date().toISOString(),
+          message: {
+            role: 'assistant',
+            content: [{ type: 'tool_use', name: 'Bash', input: { command: 'printf done' } }],
+          },
+        }) + '\n'
+      );
+      await vi.waitFor(() => {
+        expect(watcher.getState().toolExecuting).toBe(true);
+      });
+
+      appendFileSync(
+        testFile,
+        JSON.stringify({
+          type: 'user',
+          timestamp: new Date().toISOString(),
+          message: {
+            role: 'user',
+            content: [{ type: 'tool_result', tool_use_id: 'toolu_1', content: 'done', is_error: false }],
+          },
+        }) + '\n'
+      );
+
+      await vi.waitFor(() => {
+        expect(toolEndHandler).toHaveBeenCalledWith('Bash', false);
+      });
+      expect(watcher.getState()).toMatchObject({
+        toolExecuting: false,
+        currentTool: null,
+      });
+    });
+
     it('should detect plan mode from AskUserQuestion tool', async () => {
       writeFileSync(testFile, '');
       watcher.start(testFile);
@@ -159,17 +200,14 @@ describe('TranscriptWatcher', () => {
         timestamp: new Date().toISOString(),
         message: {
           role: 'assistant',
-          content: [
+          content: [{ type: 'tool_use', name: 'AskUserQuestion', input: { question: 'test?' } }],
-            { type: 'tool_use', name: 'AskUserQuestion', input: { question: 'test?' } }
+        },
-          ]
-        }
       };
       appendFileSync(testFile, JSON.stringify(assistantEntry) + '\n');
 
-      // Wait for processing
+      await vi.waitFor(() => {
-      await new Promise(resolve => setTimeout(resolve, 200));
+        expect(planModeHandler).toHaveBeenCalled();
-
+      });
-      expect(planModeHandler).toHaveBeenCalled();
       const state = watcher.getState();
       expect(state.planModeDetected).toBe(true);
     });
@@ -182,15 +220,14 @@ describe('TranscriptWatcher', () => {
       const resultEntry = {
         type: 'result',
         timestamp: new Date().toISOString(),
-        error: { type: 'api_error', message: 'Rate limited' }
+        error: { type: 'api_error', message: 'Rate limited' },
       };
       appendFileSync(testFile, JSON.stringify(resultEntry) + '\n');
 
-      // Wait for processing
+      await vi.waitFor(() => {
-      await new Promise(resolve => setTimeout(resolve, 200));
+        expect(watcher.getState().hasError).toBe(true);
-
+      });
       const state = watcher.getState();
-      expect(state.hasError).toBe(true);
       expect(state.errorMessage).toContain('Rate limited');
     });
   });