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 #197
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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/sshkey.go

@@ -0,0 +1,44 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package print
+
+import (
+	"fmt"
+
+	"gitea.dev/sdk"
+)
+
+// SSHKeysList prints a table of SSH public keys
+func SSHKeysList(keys []*gitea.PublicKey, output string) error {
+	if len(keys) == 0 {
+		fmt.Printf("No SSH keys found\n")
+		return nil
+	}
+
+	t := tableWithHeader(
+		"ID",
+		"Title",
+		"Fingerprint",
+		"KeyType",
+		"ReadOnly",
+		"Created",
+	)
+
+	for _, k := range keys {
+		readOnly := "false"
+		if k.ReadOnly {
+			readOnly = "true"
+		}
+		t.addRow(
+			fmt.Sprintf("%d", k.ID),
+			k.Title,
+			k.Fingerprint,
+			k.KeyType,
+			readOnly,
+			FormatTime(k.Created, false),
+		)
+	}
+
+	return t.print(output)
+}