chore: include conventional commit scope in release notes (#159)

Show the scope in changelog entries, e.g. `fix(anthropic): foo` becomes
`(anthropic) Foo`. For perf commits with a scope, show both:
`(perf/bt_json) Foo`.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: AbhiPrasad

.github/scripts/generate-release-notes.sh

@@ -41,16 +41,24 @@ else
     local type="$1"
     local msg="$2"
 
+    # Extract optional scope (e.g. "anthropic" from "fix(anthropic): foo")
+    local scope
+    scope=$(echo "$msg" | sed -En 's/^[a-zA-Z]+\(([^)]*)\):.*/\1/p')
+
     # Strip the conventional commit prefix (e.g. "feat: ", "fix(scope): ")
     local display
     display=$(echo "$msg" | sed -E 's/^[a-zA-Z]+(\([^)]*\))?:[[:space:]]*//')
 
     # Capitalize the first letter
     display="$(echo "${display:0:1}" | tr '[:lower:]' '[:upper:]')${display:1}"
 
-    # Label perf commits explicitly
-    if [ "$type" = "perf" ]; then
+    # Label perf commits explicitly, include scope if present
+    if [ "$type" = "perf" ] && [ -n "$scope" ]; then
+      display="(perf/${scope}) ${display}"
+    elif [ "$type" = "perf" ]; then
       display="(perf) ${display}"
+    elif [ -n "$scope" ]; then
+      display="(${scope}) ${display}"
     fi
 
     # Format PR link if present