fix: use Mosaic credential loader for Gitea API token resolution (#7)

tools/git/issue-create.sh

@@ -13,40 +13,7 @@ BODY=""
 LABELS=""
 MILESTONE=""
 
-get_remote_host() {
-    local remote_url
-    remote_url=$(git remote get-url origin 2>/dev/null || true)
-    if [[ -z "$remote_url" ]]; then
-        return 1
-    fi
-    if [[ "$remote_url" =~ ^https?://([^/]+)/ ]]; then
-        echo "${BASH_REMATCH[1]}"
-        return 0
-    fi
-    if [[ "$remote_url" =~ ^git@([^:]+): ]]; then
-        echo "${BASH_REMATCH[1]}"
-        return 0
-    fi
-    return 1
-}
-
-get_gitea_token() {
-    local host="$1"
-    if [[ -n "${GITEA_TOKEN:-}" ]]; then
-        echo "$GITEA_TOKEN"
-        return 0
-    fi
-    local creds="$HOME/.git-credentials"
-    if [[ -f "$creds" ]]; then
-        local token
-        token=$(grep -F "$host" "$creds" 2>/dev/null | sed -n 's#https\?://[^@]*:\([^@/]*\)@.*#\1#p' | head -n 1)
-        if [[ -n "$token" ]]; then
-            echo "$token"
-            return 0
-        fi
-    fi
-    return 1
-}
+# get_remote_host and get_gitea_token are provided by detect-platform.sh
 
 gitea_issue_create_api() {
     local host repo token url payload