Fix dashboard routing for query-string URLs

dashboard.py

@@ -8,6 +8,7 @@
 from http.server import HTTPServer, BaseHTTPRequestHandler
 from pathlib import Path
 from datetime import datetime
+from urllib.parse import urlparse
 
 DB_PATH = Path.home() / ".claude" / "usage.db"
 
@@ -1242,13 +1243,14 @@ def log_message(self, format, *args):
         pass
 
     def do_GET(self):
-        if self.path in ("/", "/index.html"):
+        path = urlparse(self.path).path
+        if path in ("/", "/index.html"):
             self.send_response(200)
             self.send_header("Content-Type", "text/html; charset=utf-8")
             self.end_headers()
             self.wfile.write(HTML_TEMPLATE.encode("utf-8"))
 
-        elif self.path == "/api/data":
+        elif path == "/api/data":
             data = get_dashboard_data()
             body = json.dumps(data).encode("utf-8")
             self.send_response(200)
@@ -1262,7 +1264,8 @@ def do_GET(self):
             self.end_headers()
 
     def do_POST(self):
-        if self.path == "/api/rescan":
+        path = urlparse(self.path).path
+        if path == "/api/rescan":
             # Full rebuild: delete DB and rescan from scratch.
             # Pass DB_PATH / DEFAULT_PROJECTS_DIRS explicitly so tests that
             # patch the module globals are honored (scan's defaults are

tests/test_dashboard.py

@@ -166,6 +166,13 @@ def test_index_returns_html(self):
             self.assertEqual(resp.status, 200)
             self.assertIn("text/html", resp.headers["Content-Type"])
 
+    def test_index_with_query_string_returns_html(self):
+        url = f"http://127.0.0.1:{self.port}/?range=30d"
+        with urllib.request.urlopen(url) as resp:
+            self.assertEqual(resp.status, 200)
+            self.assertIn("text/html", resp.headers["Content-Type"])
+            self.assertIn(b"Claude Code Usage Dashboard", resp.read())
+
     def test_api_data_returns_json(self):
         url = f"http://127.0.0.1:{self.port}/api/data"
         with urllib.request.urlopen(url) as resp:
@@ -175,6 +182,14 @@ def test_api_data_returns_json(self):
             # Should have expected keys (or error if no DB)
             self.assertTrue("all_models" in data or "error" in data)
 
+    def test_api_data_with_query_string_returns_json(self):
+        url = f"http://127.0.0.1:{self.port}/api/data?range=all"
+        with urllib.request.urlopen(url) as resp:
+            self.assertEqual(resp.status, 200)
+            self.assertIn("application/json", resp.headers["Content-Type"])
+            data = json.loads(resp.read())
+            self.assertTrue("all_models" in data or "error" in data)
+
     def test_api_rescan_returns_json(self):
         url = f"http://127.0.0.1:{self.port}/api/rescan"
         req = urllib.request.Request(url, method="POST")
@@ -186,6 +201,17 @@ def test_api_rescan_returns_json(self):
             self.assertIn("updated", data)
             self.assertIn("skipped", data)
 
+    def test_api_rescan_with_query_string_returns_json(self):
+        url = f"http://127.0.0.1:{self.port}/api/rescan?source=dashboard"
+        req = urllib.request.Request(url, method="POST")
+        with urllib.request.urlopen(req) as resp:
+            self.assertEqual(resp.status, 200)
+            self.assertIn("application/json", resp.headers["Content-Type"])
+            data = json.loads(resp.read())
+            self.assertIn("new", data)
+            self.assertIn("updated", data)
+            self.assertIn("skipped", data)
+
     def test_404_for_unknown_path(self):
         url = f"http://127.0.0.1:{self.port}/nonexistent"
         try: