Fix Gitea wrapper login resolution

packages/mosaic/framework/tools/git/pr-merge.sh

@@ -106,34 +106,6 @@ PLATFORM=$(detect_platform)
 OWNER=$(get_repo_owner)
 REPO=$(get_repo_name)
 
-find_tea_login_for_host() {
-    local host="$1"
-    local logins_json
-
-    command -v tea >/dev/null 2>&1 || return 1
-    logins_json=$(tea login list --output json 2>/dev/null) || return 1
-    TEA_LOGINS_JSON="$logins_json" python3 - "$host" <<'PY'
-import json
-import os
-import sys
-
-host = sys.argv[1]
-try:
-    logins = json.loads(os.environ.get("TEA_LOGINS_JSON", "[]"))
-except Exception:
-    raise SystemExit(1)
-
-for login in logins if isinstance(logins, list) else []:
-    url = str(login.get("url") or login.get("URL") or "")
-    name = str(login.get("name") or login.get("Name") or "")
-    if url.rstrip("/").endswith(host) and name:
-        print(name)
-        raise SystemExit(0)
-
-raise SystemExit(1)
-PY
-}
-
 is_known_tea_empty_identity_failure() {
     local error_file="$1"
 
@@ -164,6 +136,7 @@ merge_gitea_with_api() {
     if [[ -n "$token" ]]; then
         raw_code=$(curl -sS -w '%{http_code}' -o "$body_file" \
             -X POST \
+            -H "User-Agent: curl/8" \
             -H "Authorization: token $token" \
             -H 'Content-Type: application/json' \
             -d "$payload" \
@@ -179,6 +152,7 @@ merge_gitea_with_api() {
         raw_code=$(curl -sS -w '%{http_code}' -o "$body_file" \
             -X POST \
             -u "$basic_auth" \
+            -H "User-Agent: curl/8" \
             -H 'Content-Type: application/json' \
             -d "$payload" \
             "$api_url" || true)
@@ -214,7 +188,7 @@ if [[ "$DRY_RUN" == true ]]; then
             echo "Error: Cannot determine host from origin remote URL" >&2
             exit 1
         }
-        TEA_LOGIN="${GITEA_LOGIN:-$(find_tea_login_for_host "$HOST" || true)}"
+        TEA_LOGIN="$(get_gitea_login_for_host "$HOST" || true)"
         if [[ -n "$TEA_LOGIN" ]]; then
             echo "Dry run: would merge PR #$PR_NUMBER on $HOST with tea login '$TEA_LOGIN' (base=$BASE_BRANCH, method=squash)."
         else
@@ -237,7 +211,7 @@ case "$PLATFORM" in
             echo "Error: Cannot determine host from origin remote URL" >&2
             exit 1
         }
-        TEA_LOGIN="${GITEA_LOGIN:-$(find_tea_login_for_host "$HOST" || true)}"
+        TEA_LOGIN="$(get_gitea_login_for_host "$HOST" || true)"
 
         if [[ -n "$TEA_LOGIN" ]]; then
             mkdir -p "${AGENT_WORK_ROOT:-/home/hermes/agent-work}"