revert: tea 1.0 rewrite (#1122–#1126) (#1146)

Reverts #1126, #1125, #1124, #1123 and #1122.

`go.mod` keeps the Go 1.26 line with toolchain `go1.26.9` (instead of the original `go1.26.6`) so the security fix from #1131 isn't lost.

reopens #69
reopens #141
reopens #162
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reopens #1118

Reviewed-on: https://gitea.com/gitea/tea/pulls/1146
Reviewed-by: TheFox0x7 <95654+thefox0x7@noreply.gitea.com>

modules/print/repo_test.go

@@ -0,0 +1,33 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package print
+
+import (
+	"bytes"
+	"encoding/json"
+	"testing"
+
+	"gitea.dev/sdk"
+	"github.com/stretchr/testify/require"
+)
+
+func TestReposListUsesNumericIDField(t *testing.T) {
+	repos := []*gitea.Repository{{
+		ID:   123,
+		Name: "tea",
+		Owner: &gitea.User{
+			UserName: "gitea",
+		},
+	}}
+
+	buf := &bytes.Buffer{}
+	tbl := tableFromItems([]string{"id", "name"}, []printable{&printableRepo{repos[0]}}, true)
+	require.NoError(t, tbl.fprint(buf, "json"))
+
+	var result []map[string]string
+	require.NoError(t, json.Unmarshal(buf.Bytes(), &result))
+	require.Len(t, result, 1)
+	require.Equal(t, "123", result[0]["id"])
+	require.Equal(t, "tea", result[0]["name"])
+}