diff --git a/mise.toml b/mise.toml
index 4f882f77c..65ff31c10 100644
--- a/mise.toml
+++ b/mise.toml
@@ -4,7 +4,7 @@
 # Then `cd` into this repo; `node`, `npm`, and `go` come from mise.
 [tools]
 node = "22"
-go = "1.25.8"
+go = "1.26.0"
 
 [env]
 _.file = ".env.local"
diff --git a/skills/analyze-transcript/analyze-transcript.py b/skills/analyze-transcript/analyze-transcript.py
index 8e4074e1d..09015abf0 100755
--- a/skills/analyze-transcript/analyze-transcript.py
+++ b/skills/analyze-transcript/analyze-transcript.py
@@ -8,6 +8,7 @@
 import sys
 from collections import Counter
 from datetime import datetime
+from typing import TypedDict
 
 # Prevent BrokenPipeError when output is piped through head/tail.
 signal.signal(signal.SIGPIPE, signal.SIG_DFL)
@@ -243,8 +244,13 @@ def cmd_conversation(args):
                         print()
 
 
+class ToolStats(TypedDict):
+    count: int
+    lines: list[int]
+
+
 def cmd_tools(args):
-    tool_data = {}
+    tool_data: dict[str, ToolStats] = {}
 
     for i, role, msg, _raw in iter_messages(args.file, args.line_range):
         if role != "assistant":