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
reopens #172
reopens #197
reopens #232
reopens #240
reopens #246
reopens #323
reopens #325
reopens #326
reopens #328
reopens #344
reopens #351
reopens #373
reopens #403
reopens #406
reopens #417
reopens #430
reopens #457
reopens #480
reopens #482
reopens #489
reopens #490
reopens #498
reopens #500
reopens #504
reopens #510
reopens #516
reopens #523
reopens #556
reopens #560
reopens #569
reopens #571
reopens #602
reopens #632
reopens #633
reopens #643
reopens #666
reopens #670
reopens #672
reopens #677
reopens #683
reopens #697
reopens #726
reopens #737
reopens #770
reopens #779
reopens #804
reopens #817
reopens #831
reopens #833
reopens #834
reopens #908
reopens #966
reopens #1023
reopens #1029
reopens #1032
reopens #1050
reopens #1052
reopens #1069
reopens #1073
reopens #1087
reopens #1091
reopens #1094
reopens #1110
reopens #1115
reopens #1116
reopens #1118

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

.goreleaser.yaml

@@ -3,11 +3,6 @@ version: 2
 before:
   hooks:
     - go mod tidy
-    # Regenerate references/man/completions, then pack a versioned docs
-    # archive outside dist/ (goreleaser requires dist/ empty after hooks).
-    # tea-{{ .Version }}-docs.tar.xz is picked up by release/publisher/
-    # checksum ./**.xz globs alongside binary .xz artifacts.
-    - make docs-archive DOCS_ARCHIVE=tea-{{ .Version }}-docs.tar.xz
 
 builds:
 - env:
@@ -63,7 +58,7 @@ builds:
   flags:
   - -trimpath
   ldflags:
-  - -s -w -X "gitea.dev/tea/internal/version.Version={{ trimprefix .Summary "v" }}" -X "gitea.dev/tea/internal/version.Tags="
+  - -s -w -X "gitea.dev/tea/modules/version.Version={{ trimprefix .Summary "v" }}" -X "gitea.dev/tea/modules/version.Tags=" -X "gitea.dev/tea/modules/version.SDK={{ .Env.SDK_VERSION }}"
   binary: >-
     {{ .ProjectName }}-
     {{- .Version }}-
@@ -149,9 +144,6 @@ gitea_urls:
   download: https://gitea.com
 
 release:
-  # Includes per-platform binary .xz artifacts and the docs archive
-  # tea-<version>-docs.tar.xz (references, man pages, bash/zsh/fish/powershell
-  # completions) produced by the before.hooks docs-archive step.
   extra_files:
     - glob: ./**.xz
     - glob: ./**.xz.sha256