diff --git a/.gitignore b/.gitignore
index d997c141b9..76a7578646 100644
--- a/.gitignore
+++ b/.gitignore
@@ -120,5 +120,3 @@ prime/
 
 # A Makefile for custom make targets
 Makefile.local
-build/
-dist/
diff --git a/build/generate-bindata.go b/build/generate-bindata.go
new file mode 100644
index 0000000000..9ae9c1b15e
--- /dev/null
+++ b/build/generate-bindata.go
@@ -0,0 +1,27 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/modules/assetfs"
+)
+
+func main() {
+	if len(os.Args) != 3 {
+		fmt.Println("usage: ./generate-bindata {local-directory} {bindata-filename}")
+		os.Exit(1)
+	}
+
+	dir, filename := os.Args[1], os.Args[2]
+	fmt.Printf("generating bindata for %s to %s\n", dir, filename)
+	if err := assetfs.GenerateEmbedBindata(dir, filename); err != nil {
+		fmt.Printf("failed: %s\n", err.Error())
+		os.Exit(1)
+	}
+}
diff --git a/build/generate-emoji.go b/build/generate-emoji.go
new file mode 100644
index 0000000000..f276c9e6f8
--- /dev/null
+++ b/build/generate-emoji.go
@@ -0,0 +1,219 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Copyright 2015 Kenneth Shaw
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"go/format"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/modules/json"
+)
+
+const (
+	gemojiURL         = "https://raw.githubusercontent.com/rhysd/gemoji/537ff2d7e0496e9964824f7f73ec7ece88c9765a/db/emoji.json"
+	maxUnicodeVersion = 16
+)
+
+var flagOut = flag.String("o", "modules/emoji/emoji_data.go", "out")
+
+// Gemoji is a set of emoji data.
+type Gemoji []Emoji
+
+// Emoji represents a single emoji and associated data.
+type Emoji struct {
+	Emoji          string   `json:"emoji"`
+	Description    string   `json:"description,omitempty"`
+	Aliases        []string `json:"aliases"`
+	UnicodeVersion string   `json:"unicode_version,omitempty"`
+	SkinTones      bool     `json:"skin_tones,omitempty"`
+}
+
+// Don't include some fields in JSON
+func (e Emoji) MarshalJSON() ([]byte, error) {
+	type emoji Emoji
+	x := emoji(e)
+	x.UnicodeVersion = ""
+	x.Description = ""
+	x.SkinTones = false
+	return json.Marshal(x)
+}
+
+func main() {
+	flag.Parse()
+
+	// generate data
+	buf, err := generate()
+	if err != nil {
+		log.Fatalf("generate err: %v", err)
+	}
+
+	// write
+	err = os.WriteFile(*flagOut, buf, 0o644)
+	if err != nil {
+		log.Fatalf("WriteFile err: %v", err)
+	}
+}
+
+var replacer = strings.NewReplacer(
+	"main.Gemoji", "Gemoji",
+	"main.Emoji", "\n",
+	"}}", "},\n}",
+	", Description:", ", ",
+	", Aliases:", ", ",
+	", UnicodeVersion:", ", ",
+	", SkinTones:", ", ",
+)
+
+var emojiRE = regexp.MustCompile(`\{Emoji:"([^"]*)"`)
+
+func generate() ([]byte, error) {
+	// load gemoji data
+	res, err := http.Get(gemojiURL)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	// read all
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// unmarshal
+	var data Gemoji
+	err = json.Unmarshal(body, &data)
+	if err != nil {
+		return nil, err
+	}
+
+	skinTones := make(map[string]string)
+
+	skinTones["\U0001f3fb"] = "Light Skin Tone"
+	skinTones["\U0001f3fc"] = "Medium-Light Skin Tone"
+	skinTones["\U0001f3fd"] = "Medium Skin Tone"
+	skinTones["\U0001f3fe"] = "Medium-Dark Skin Tone"
+	skinTones["\U0001f3ff"] = "Dark Skin Tone"
+
+	var tmp Gemoji
+
+	// filter out emoji that require greater than max unicode version
+	for i := range data {
+		val, _ := strconv.ParseFloat(data[i].UnicodeVersion, 64)
+		if int(val) <= maxUnicodeVersion {
+			tmp = append(tmp, data[i])
+		}
+	}
+	data = tmp
+
+	sort.Slice(data, func(i, j int) bool {
+		return data[i].Aliases[0] < data[j].Aliases[0]
+	})
+
+	aliasMap := make(map[string]int, len(data))
+
+	for i, e := range data {
+		if e.Emoji == "" || len(e.Aliases) == 0 {
+			continue
+		}
+		for _, a := range e.Aliases {
+			if a == "" {
+				continue
+			}
+			aliasMap[a] = i
+		}
+	}
+
+	// gitea customizations
+	i, ok := aliasMap["tada"]
+	if ok {
+		data[i].Aliases = append(data[i].Aliases, "hooray")
+	}
+	i, ok = aliasMap["laughing"]
+	if ok {
+		data[i].Aliases = append(data[i].Aliases, "laugh")
+	}
+
+	// write a JSON file to use with tribute (write before adding skin tones since we can't support them there yet)
+	file, _ := json.MarshalIndent(data, "", "  ")
+	_ = os.WriteFile("assets/emoji.json", append(file, '\n'), 0o644)
+
+	// Add skin tones to emoji that support it
+	var (
+		s              []string
+		newEmoji       string
+		newDescription string
+		newData        Emoji
+	)
+
+	for i := range data {
+		if data[i].SkinTones {
+			for k, v := range skinTones {
+				s = strings.Split(data[i].Emoji, "")
+
+				if utf8.RuneCountInString(data[i].Emoji) == 1 {
+					s = append(s, k)
+				} else {
+					// insert into slice after first element because all emoji that support skin tones
+					// have that modifier placed at this spot
+					s = append(s, "")
+					copy(s[2:], s[1:])
+					s[1] = k
+				}
+
+				newEmoji = strings.Join(s, "")
+				newDescription = data[i].Description + ": " + v
+				newAlias := data[i].Aliases[0] + "_" + strings.ReplaceAll(v, " ", "_")
+
+				newData = Emoji{newEmoji, newDescription, []string{newAlias}, "12.0", false}
+				data = append(data, newData)
+			}
+		}
+	}
+
+	sort.Slice(data, func(i, j int) bool {
+		return data[i].Aliases[0] < data[j].Aliases[0]
+	})
+
+	// add header
+	str := replacer.Replace(fmt.Sprintf(hdr, gemojiURL, data))
+
+	// change the format of the unicode string
+	str = emojiRE.ReplaceAllStringFunc(str, func(s string) string {
+		var err error
+		s, err = strconv.Unquote(s[len("{Emoji:"):])
+		if err != nil {
+			panic(err)
+		}
+		return "{" + strconv.QuoteToASCII(s)
+	})
+
+	// format
+	return format.Source([]byte(str))
+}
+
+const hdr = `
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+
+package emoji
+
+// Code generated by build/generate-emoji.go. DO NOT EDIT.
+// Sourced from %s
+var GemojiData = %#v
+`
diff --git a/build/generate-gitignores.go b/build/generate-gitignores.go
new file mode 100644
index 0000000000..7c29ed69fe
--- /dev/null
+++ b/build/generate-gitignores.go
@@ -0,0 +1,126 @@
+//go:build ignore
+
+package main
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/modules/util"
+)
+
+func main() {
+	var (
+		prefix         = "gitea-gitignore"
+		url            = "https://api.github.com/repos/github/gitignore/tarball"
+		githubApiToken = ""
+		githubUsername = ""
+		destination    = ""
+	)
+
+	flag.StringVar(&destination, "dest", "options/gitignore/", "destination for the gitignores")
+	flag.StringVar(&githubUsername, "username", "", "github username")
+	flag.StringVar(&githubApiToken, "token", "", "github api token")
+	flag.Parse()
+
+	file, err := os.CreateTemp(os.TempDir(), prefix)
+	if err != nil {
+		log.Fatalf("Failed to create temp file. %s", err)
+	}
+
+	defer util.Remove(file.Name())
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+
+	if len(githubApiToken) > 0 && len(githubUsername) > 0 {
+		req.SetBasicAuth(githubUsername, githubApiToken)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+	defer resp.Body.Close()
+
+	if _, err := io.Copy(file, resp.Body); err != nil {
+		log.Fatalf("Failed to copy archive to file. %s", err)
+	}
+
+	if _, err := file.Seek(0, 0); err != nil {
+		log.Fatalf("Failed to reset seek on archive. %s", err)
+	}
+
+	gz, err := gzip.NewReader(file)
+	if err != nil {
+		log.Fatalf("Failed to gunzip the archive. %s", err)
+	}
+
+	tr := tar.NewReader(gz)
+
+	filesToCopy := make(map[string]string, 0)
+
+	for {
+		hdr, err := tr.Next()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Fatalf("Failed to iterate archive. %s", err)
+		}
+
+		if filepath.Ext(hdr.Name) != ".gitignore" {
+			continue
+		}
+
+		if hdr.Typeflag == tar.TypeSymlink {
+			fmt.Printf("Found symlink %s -> %s\n", hdr.Name, hdr.Linkname)
+			filesToCopy[strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")] = strings.TrimSuffix(filepath.Base(hdr.Linkname), ".gitignore")
+			continue
+		}
+
+		out, err := os.Create(path.Join(destination, strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")))
+		if err != nil {
+			log.Fatalf("Failed to create new file. %s", err)
+		}
+
+		defer out.Close()
+
+		if _, err := io.Copy(out, tr); err != nil {
+			log.Fatalf("Failed to write new file. %s", err)
+		} else {
+			fmt.Printf("Written %s\n", out.Name())
+		}
+	}
+
+	for dst, src := range filesToCopy {
+		// Read all content of src to data
+		src = path.Join(destination, src)
+		data, err := os.ReadFile(src)
+		if err != nil {
+			log.Fatalf("Failed to read src file. %s", err)
+		}
+		// Write data to dst
+		dst = path.Join(destination, dst)
+		err = os.WriteFile(dst, data, 0o644)
+		if err != nil {
+			log.Fatalf("Failed to write new file. %s", err)
+		}
+		fmt.Printf("Written (copy of %s) %s\n", src, dst)
+	}
+
+	fmt.Println("Done")
+}
diff --git a/build/generate-go-licenses.go b/build/generate-go-licenses.go
new file mode 100644
index 0000000000..eee01cf371
--- /dev/null
+++ b/build/generate-go-licenses.go
@@ -0,0 +1,239 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"slices"
+	"sort"
+	"strings"
+)
+
+// regexp is based on go-license, excluding README and NOTICE
+// https://github.com/google/go-licenses/blob/master/licenses/find.go
+// also defined in vite.config.ts
+var licenseRe = regexp.MustCompile(`^(?i)((UN)?LICEN(S|C)E|COPYING).*$`)
+
+// primaryLicenseRe matches exact primary license filenames without suffixes.
+// When a directory has both primary and variant files (e.g. LICENSE and
+// LICENSE.docs), only the primary files are kept.
+var primaryLicenseRe = regexp.MustCompile(`^(?i)(LICEN[SC]E|COPYING)$`)
+
+// ignoredNames are LicenseEntry.Name values to exclude from the output.
+var ignoredNames = map[string]bool{
+	"code.gitea.io/gitea":                 true,
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/options/license": true,
+}
+
+var excludedExt = map[string]bool{
+	".gitignore": true,
+	".go":        true,
+	".mod":       true,
+	".sum":       true,
+	".toml":      true,
+	".yaml":      true,
+	".yml":       true,
+}
+
+type ModuleInfo struct {
+	Path    string
+	Dir     string
+	PkgDirs []string // directories of packages imported from this module
+}
+
+type LicenseEntry struct {
+	Name        string `json:"name"`
+	Path        string `json:"path"`
+	LicenseText string `json:"licenseText"`
+}
+
+// getModules returns all dependency modules with their local directory paths
+// and the package directories used from each module.
+func getModules(goCmd string) []ModuleInfo {
+	cmd := exec.Command(goCmd, "list", "-deps", "-f",
+		"{{if .Module}}{{.Module.Path}}\t{{.Module.Dir}}\t{{.Dir}}{{end}}", "./...")
+	cmd.Stderr = os.Stderr
+	// Use GOOS=linux with CGO to ensure we capture all platform-specific
+	// dependencies, matching the CI environment.
+	cmd.Env = append(os.Environ(), "GOOS=linux", "GOARCH=amd64", "CGO_ENABLED=1")
+	output, err := cmd.Output()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to run 'go list -deps': %v\n", err)
+		os.Exit(1)
+	}
+
+	var modules []ModuleInfo
+	seen := make(map[string]int) // module path -> index in modules
+	for _, line := range strings.Split(string(output), "\n") {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		parts := strings.Split(line, "\t")
+		if len(parts) != 3 {
+			continue
+		}
+		modPath, modDir, pkgDir := parts[0], parts[1], parts[2]
+		if idx, ok := seen[modPath]; ok {
+			modules[idx].PkgDirs = append(modules[idx].PkgDirs, pkgDir)
+		} else {
+			seen[modPath] = len(modules)
+			modules = append(modules, ModuleInfo{
+				Path:    modPath,
+				Dir:     modDir,
+				PkgDirs: []string{pkgDir},
+			})
+		}
+	}
+	return modules
+}
+
+// findLicenseFiles scans a module's root directory and its used package
+// directories for license files. It also walks up from each package directory
+// to the module root, scanning intermediate directories. Subdirectory licenses
+// are only included if their text differs from the root license(s).
+func findLicenseFiles(mod ModuleInfo) []LicenseEntry {
+	var entries []LicenseEntry
+	seenTexts := make(map[string]bool)
+
+	// First, collect root-level license files.
+	entries = append(entries, scanDirForLicenses(mod.Dir, mod.Path, "")...)
+	for _, e := range entries {
+		seenTexts[e.LicenseText] = true
+	}
+
+	// Then check each package directory and all intermediate parent directories
+	// up to the module root for license files with unique text.
+	seenDirs := map[string]bool{mod.Dir: true}
+	for _, pkgDir := range mod.PkgDirs {
+		for dir := pkgDir; dir != mod.Dir && strings.HasPrefix(dir, mod.Dir); dir = filepath.Dir(dir) {
+			if seenDirs[dir] {
+				continue
+			}
+			seenDirs[dir] = true
+			for _, e := range scanDirForLicenses(dir, mod.Path, mod.Dir) {
+				if !seenTexts[e.LicenseText] {
+					seenTexts[e.LicenseText] = true
+					entries = append(entries, e)
+				}
+			}
+		}
+	}
+	return entries
+}
+
+// scanDirForLicenses reads a single directory for license files and returns entries.
+// If moduleRoot is non-empty, paths are made relative to it.
+func scanDirForLicenses(dir, modulePath, moduleRoot string) []LicenseEntry {
+	dirEntries, err := os.ReadDir(dir)
+	if err != nil {
+		return nil
+	}
+
+	var entries []LicenseEntry
+	for _, entry := range dirEntries {
+		if entry.IsDir() {
+			continue
+		}
+		name := entry.Name()
+		if !licenseRe.MatchString(name) {
+			continue
+		}
+		if excludedExt[strings.ToLower(filepath.Ext(name))] {
+			continue
+		}
+
+		content, err := os.ReadFile(filepath.Join(dir, name))
+		if err != nil {
+			continue
+		}
+
+		entryName := modulePath
+		entryPath := modulePath + "/" + name
+		if moduleRoot != "" {
+			rel, _ := filepath.Rel(moduleRoot, dir)
+			if rel != "." {
+				relSlash := filepath.ToSlash(rel)
+				entryName = modulePath + "/" + relSlash
+				entryPath = modulePath + "/" + relSlash + "/" + name
+			}
+		}
+
+		entries = append(entries, LicenseEntry{
+			Name:        entryName,
+			Path:        entryPath,
+			LicenseText: string(content),
+		})
+	}
+
+	// When multiple license files exist, prefer primary files (e.g. LICENSE)
+	// over variants with suffixes (e.g. LICENSE.docs, LICENSE-2.0.txt).
+	// If no primary file exists, keep only the first variant.
+	if len(entries) > 1 {
+		var primary []LicenseEntry
+		for _, e := range entries {
+			fileName := e.Path[strings.LastIndex(e.Path, "/")+1:]
+			if primaryLicenseRe.MatchString(fileName) {
+				primary = append(primary, e)
+			}
+		}
+		if len(primary) > 0 {
+			return primary
+		}
+		return entries[:1]
+	}
+
+	return entries
+}
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Println("usage: go run generate-go-licenses.go <out-json-file>")
+		os.Exit(1)
+	}
+
+	out := os.Args[1]
+
+	goCmd := "go"
+	if env := os.Getenv("GO"); env != "" {
+		goCmd = env
+	}
+
+	modules := getModules(goCmd)
+
+	var entries []LicenseEntry
+	for _, mod := range modules {
+		entries = append(entries, findLicenseFiles(mod)...)
+	}
+
+	entries = slices.DeleteFunc(entries, func(e LicenseEntry) bool {
+		return ignoredNames[e.Name]
+	})
+
+	sort.Slice(entries, func(i, j int) bool {
+		return entries[i].Path < entries[j].Path
+	})
+
+	jsonBytes, err := json.MarshalIndent(entries, "", "  ")
+	if err != nil {
+		panic(err)
+	}
+
+	// Ensure file has a final newline
+	if jsonBytes[len(jsonBytes)-1] != '\n' {
+		jsonBytes = append(jsonBytes, '\n')
+	}
+
+	err = os.WriteFile(out, jsonBytes, 0o644)
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/build/generate-openapi.go b/build/generate-openapi.go
new file mode 100644
index 0000000000..d0eab54269
--- /dev/null
+++ b/build/generate-openapi.go
@@ -0,0 +1,102 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+// generate-openapi converts Gitea's Swagger 2.0 spec into an OpenAPI 3.0 spec.
+//
+// Gitea generates a Swagger 2.0 spec from code annotations (make generate-swagger).
+// This tool converts it to OAS3 so that SDK generators and tools that require
+// OAS3 (e.g. progenitor for Rust) can consume it directly. The conversion also
+// deduplicates inline enum definitions into named schema components, producing
+// cleaner SDK output with proper enum types instead of anonymous strings.
+//
+// Run: go run build/generate-openapi.go
+// Output: templates/swagger/v1_openapi3_json.tmpl
+
+//go:build ignore
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+	"regexp"
+	"sort"
+	"strings"
+
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/build/openapi3gen"
+
+	"github.com/getkin/kin-openapi/openapi3"
+)
+
+const (
+	swaggerSpecPath = "templates/swagger/v1_json.tmpl"
+	openapi3OutPath = "templates/swagger/v1_openapi3_json.tmpl"
+
+	appSubUrlVar  = "{{.SwaggerAppSubUrl}}"
+	appVerVar     = "{{.SwaggerAppVer}}"
+	appNameVar    = "{{.SwaggerAppName}}"
+
+	appSubUrlPlaceholder  = "GITEA_APP_SUB_URL_PLACEHOLDER"
+	appVerPlaceholder     = "0.0.0-gitea-placeholder"
+	appNamePlaceholder    = "GiteaAppNamePlaceholder"
+)
+
+var (
+	appSubUrlRe = regexp.MustCompile(regexp.QuoteMeta(appSubUrlVar))
+	appVerRe    = regexp.MustCompile(regexp.QuoteMeta(appVerVar))
+	appNameRe   = regexp.MustCompile(regexp.QuoteMeta(appNameVar))
+
+	enumScanDirs = []string{
+		"modules/structs",
+		"modules/commitstatus",
+	}
+)
+
+func main() {
+	astEnumMap, err := openapi3gen.ScanSwaggerEnumTypes(enumScanDirs)
+	if err != nil {
+		log.Fatalf("scanning swagger:enum annotations: %v", err)
+	}
+	names := make([]string, 0, len(astEnumMap))
+	for _, n := range astEnumMap {
+		names = append(names, n)
+	}
+	sort.Strings(names)
+	fmt.Fprintf(os.Stderr, "discovered %d swagger:enum types: %s\n", len(names), strings.Join(names, ", "))
+
+	data, err := os.ReadFile(swaggerSpecPath)
+	if err != nil {
+		log.Fatalf("reading swagger spec: %v", err)
+	}
+
+	cleaned := appSubUrlRe.ReplaceAll(data, []byte(appSubUrlPlaceholder))
+	cleaned = appVerRe.ReplaceAll(cleaned, []byte(appVerPlaceholder))
+	cleaned = appNameRe.ReplaceAll(cleaned, []byte(appNamePlaceholder))
+
+	oas3, err := openapi3gen.Convert(cleaned, astEnumMap)
+	if err != nil {
+		log.Fatalf("converting to openapi 3.0: %v", err)
+	}
+
+	oas3.Servers = openapi3.Servers{
+		{URL: appSubUrlPlaceholder + "/api/v1"},
+	}
+
+	out, err := json.MarshalIndent(oas3, "", "  ")
+	if err != nil {
+		log.Fatalf("marshaling openapi 3.0: %v", err)
+	}
+
+	result := strings.ReplaceAll(string(out), appSubUrlPlaceholder, appSubUrlVar)
+	result = strings.ReplaceAll(result, appVerPlaceholder, appVerVar)
+	result = strings.ReplaceAll(result, appNamePlaceholder, appNameVar)
+	result = strings.TrimSpace(result)
+
+	if err := os.WriteFile(openapi3OutPath, []byte(result), 0o644); err != nil {
+		log.Fatalf("writing openapi 3.0 spec: %v", err)
+	}
+
+	fmt.Printf("Generated %s\n", openapi3OutPath)
+}
diff --git a/build/openapi3gen/convert.go b/build/openapi3gen/convert.go
new file mode 100644
index 0000000000..312f7e444e
--- /dev/null
+++ b/build/openapi3gen/convert.go
@@ -0,0 +1,281 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package openapi3gen
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+
+	"code.mokoconsulting.tech/MokoConsulting/MokoGitea/modules/json"
+
+	"github.com/getkin/kin-openapi/openapi2"
+	"github.com/getkin/kin-openapi/openapi2conv"
+	"github.com/getkin/kin-openapi/openapi3"
+)
+
+// rxDeprecated matches "deprecated" as a word at the start of a description
+// or preceded by whitespace/punctuation that indicates a leading marker (e.g.
+// "Deprecated: true", "deprecated (use X instead)"). Rejects negated phrases
+// like "not deprecated" or "previously deprecated, now supported".
+var rxDeprecated = regexp.MustCompile(`(?i)(?:^|[\n.;])\s*deprecated\b`)
+
+// Convert parses a Swagger 2.0 spec and returns an OAS3 spec, applying
+// Gitea-specific post-processing: file-schema fixups, URI formats,
+// deprecated flags, and shared-enum extraction.
+//
+// astEnumMap is a value-set-key → Go-type-name map (built by
+// ScanSwaggerEnumTypes). If a shared enum in the spec has no entry in the
+// map, Convert returns an error — no fallback naming.
+func Convert(swaggerJSON []byte, astEnumMap map[string]string) (*openapi3.T, error) {
+	var swagger2 openapi2.T
+	if err := json.Unmarshal(swaggerJSON, &swagger2); err != nil {
+		return nil, fmt.Errorf("parsing swagger 2.0: %w", err)
+	}
+
+	oas3, err := openapi2conv.ToV3(&swagger2)
+	if err != nil {
+		return nil, fmt.Errorf("converting to openapi 3.0: %w", err)
+	}
+
+	fixFileSchemas(oas3)
+	addURIFormats(oas3)
+	addDeprecatedFlags(oas3)
+	if err := extractSharedEnums(oas3, astEnumMap); err != nil {
+		return nil, err
+	}
+	return oas3, nil
+}
+
+func fixFileSchemas(doc *openapi3.T) {
+	for _, pathItem := range doc.Paths.Map() {
+		for _, op := range []*openapi3.Operation{
+			pathItem.Get, pathItem.Post, pathItem.Put, pathItem.Patch,
+			pathItem.Delete, pathItem.Head, pathItem.Options, pathItem.Trace,
+		} {
+			if op == nil {
+				continue
+			}
+			for _, resp := range op.Responses.Map() {
+				if resp.Value == nil {
+					continue
+				}
+				for _, mediaType := range resp.Value.Content {
+					fixSchema(mediaType.Schema)
+				}
+			}
+			if op.RequestBody != nil && op.RequestBody.Value != nil {
+				for _, mediaType := range op.RequestBody.Value.Content {
+					fixSchema(mediaType.Schema)
+				}
+			}
+		}
+	}
+}
+
+// fixSchema rewrites any "type: file" schemas to the OAS3 equivalent
+// (type: string, format: binary), recursing into Properties, Items, and
+// AllOf/OneOf/AnyOf/Not branches. $ref nodes are skipped so shared schemas
+// are rewritten exactly once when visited through their declaration.
+func fixSchema(ref *openapi3.SchemaRef) {
+	if ref == nil || ref.Value == nil || ref.Ref != "" {
+		return
+	}
+	s := ref.Value
+	if s.Type.Is("file") {
+		s.Type = &openapi3.Types{"string"}
+		s.Format = "binary"
+	}
+	for _, p := range s.Properties {
+		fixSchema(p)
+	}
+	fixSchema(s.Items)
+	for _, sub := range s.AllOf {
+		fixSchema(sub)
+	}
+	for _, sub := range s.OneOf {
+		fixSchema(sub)
+	}
+	for _, sub := range s.AnyOf {
+		fixSchema(sub)
+	}
+	fixSchema(s.Not)
+}
+
+// addURIFormats sets format: uri on string properties whose names indicate
+// they hold URLs. This information is lost in Swagger 2.0 but is valuable
+// for code generators.
+func addURIFormats(doc *openapi3.T) {
+	if doc.Components == nil {
+		return
+	}
+	for _, schemaRef := range doc.Components.Schemas {
+		if schemaRef.Value == nil {
+			continue
+		}
+		for propName, propRef := range schemaRef.Value.Properties {
+			if propRef == nil || propRef.Value == nil || propRef.Ref != "" {
+				continue
+			}
+			prop := propRef.Value
+			if !prop.Type.Is("string") || prop.Format != "" {
+				continue
+			}
+			if isURLProperty(propName) {
+				prop.Format = "uri"
+			}
+		}
+	}
+}
+
+func isURLProperty(name string) bool {
+	if strings.HasSuffix(name, "_url") {
+		return true
+	}
+	switch name {
+	case "url", "html_url", "clone_url":
+		return true
+	}
+	return false
+}
+
+// addDeprecatedFlags sets deprecated: true on schema properties whose
+// description starts with a "deprecated" marker (e.g. "Deprecated: true"
+// or "deprecated (use X instead)"). Does not match negated phrases.
+func addDeprecatedFlags(doc *openapi3.T) {
+	if doc.Components == nil {
+		return
+	}
+	for _, schemaRef := range doc.Components.Schemas {
+		if schemaRef.Value == nil {
+			continue
+		}
+		for _, propRef := range schemaRef.Value.Properties {
+			if propRef == nil || propRef.Value == nil || propRef.Ref != "" {
+				continue
+			}
+			if rxDeprecated.MatchString(propRef.Value.Description) {
+				propRef.Value.Deprecated = true
+			}
+		}
+	}
+}
+
+type enumUsage struct {
+	schemaName string
+	propName   string
+	propRef    *openapi3.SchemaRef
+	inItems    bool
+}
+
+// extractSharedEnums finds identical enum arrays used by multiple schema
+// properties, creates a standalone named schema for each, and replaces
+// the inline enums with $ref pointers.
+//
+// If the derived enum name collides with an existing component schema, or
+// no // swagger:enum annotation matches the value set, generation aborts
+// with an actionable error — there are no silent fallbacks.
+func extractSharedEnums(doc *openapi3.T, astEnumMap map[string]string) error {
+	if doc.Components == nil {
+		return nil
+	}
+
+	enumGroups := map[string][]enumUsage{}
+
+	for schemaName, schemaRef := range doc.Components.Schemas {
+		if schemaRef.Value == nil {
+			continue
+		}
+		for propName, propRef := range schemaRef.Value.Properties {
+			if propRef == nil || propRef.Value == nil || propRef.Ref != "" {
+				continue
+			}
+			if len(propRef.Value.Enum) > 1 && propRef.Value.Type.Is("string") {
+				key := EnumKey(propRef.Value.Enum)
+				enumGroups[key] = append(enumGroups[key], enumUsage{schemaName, propName, propRef, false})
+			}
+			if propRef.Value.Type.Is("array") && propRef.Value.Items != nil &&
+				propRef.Value.Items.Value != nil && propRef.Value.Items.Ref == "" &&
+				len(propRef.Value.Items.Value.Enum) > 1 && propRef.Value.Items.Value.Type.Is("string") {
+				key := EnumKey(propRef.Value.Items.Value.Enum)
+				enumGroups[key] = append(enumGroups[key], enumUsage{schemaName, propName, propRef, true})
+			}
+		}
+	}
+
+	for key, usages := range enumGroups {
+		if len(usages) < 2 {
+			continue
+		}
+
+		enumName, err := deriveEnumName(key, usages, astEnumMap)
+		if err != nil {
+			return err
+		}
+		if _, exists := doc.Components.Schemas[enumName]; exists {
+			return fmt.Errorf("enum name collision: %s already exists as a component schema", enumName)
+		}
+
+		var enumValues []any
+		if usages[0].inItems {
+			enumValues = usages[0].propRef.Value.Items.Value.Enum
+		} else {
+			enumValues = usages[0].propRef.Value.Enum
+		}
+
+		doc.Components.Schemas[enumName] = &openapi3.SchemaRef{
+			Value: &openapi3.Schema{
+				Type: &openapi3.Types{"string"},
+				Enum: enumValues,
+			},
+		}
+
+		ref := "#/components/schemas/" + enumName
+
+		for _, usage := range usages {
+			if usage.inItems {
+				usage.propRef.Value.Items = &openapi3.SchemaRef{Ref: ref}
+			} else {
+				old := usage.propRef.Value
+				if old.Description == "" && !old.Deprecated && old.Format == "" {
+					usage.propRef.Ref = ref
+					usage.propRef.Value = nil
+				} else {
+					usage.propRef.Value = &openapi3.Schema{
+						AllOf: openapi3.SchemaRefs{
+							{Ref: ref},
+						},
+						Description: old.Description,
+						Deprecated:  old.Deprecated,
+						Format:      old.Format,
+					}
+				}
+			}
+		}
+	}
+	return nil
+}
+
+// deriveEnumName looks up a shared enum's Go type name from astEnumMap by
+// value-set key. If no annotation matches, returns an error identifying the
+// offending properties and the fix.
+func deriveEnumName(key string, usages []enumUsage, astEnumMap map[string]string) (string, error) {
+	if name, ok := astEnumMap[key]; ok {
+		return name, nil
+	}
+
+	props := map[string]bool{}
+	for _, u := range usages {
+		props[fmt.Sprintf("%s.%s", u.schemaName, u.propName)] = true
+	}
+	propList := make([]string, 0, len(props))
+	for p := range props {
+		propList = append(propList, p)
+	}
+	return "", fmt.Errorf(
+		"no swagger:enum annotation matches value-set %q used by %d properties: %v; "+
+			"fix by adding a named string type with // swagger:enum to modules/structs or modules/commitstatus",
+		key, len(usages), propList,
+	)
+}
diff --git a/build/openapi3gen/convert_test.go b/build/openapi3gen/convert_test.go
new file mode 100644
index 0000000000..a9a715e6c2
--- /dev/null
+++ b/build/openapi3gen/convert_test.go
@@ -0,0 +1,170 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package openapi3gen
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/getkin/kin-openapi/openapi3"
+)
+
+func TestDeriveEnumName_hit(t *testing.T) {
+	key := EnumKey([]any{"red", "green", "blue"})
+	astMap := map[string]string{key: "Color"}
+	usages := []enumUsage{{schemaName: "Paint", propName: "color"}}
+	got, err := deriveEnumName(key, usages, astMap)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if got != "Color" {
+		t.Fatalf("got %q, want %q", got, "Color")
+	}
+}
+
+func TestDeriveEnumName_miss(t *testing.T) {
+	key := EnumKey([]any{"x", "y"})
+	usages := []enumUsage{{schemaName: "Thing", propName: "kind"}}
+	_, err := deriveEnumName(key, usages, map[string]string{})
+	if err == nil {
+		t.Fatal("expected miss error, got nil")
+	}
+	msg := err.Error()
+	if !strings.Contains(msg, "Thing.kind") {
+		t.Fatalf("error %q should list the missing usage", msg)
+	}
+	if !strings.Contains(msg, "swagger:enum") {
+		t.Fatalf("error %q should hint at the fix", msg)
+	}
+}
+
+func TestExtractSharedEnums_usesASTMap(t *testing.T) {
+	doc := &openapi3.T{
+		Components: &openapi3.Components{
+			Schemas: openapi3.Schemas{
+				"A": {Value: &openapi3.Schema{
+					Type: &openapi3.Types{"object"},
+					Properties: openapi3.Schemas{
+						"color": {Value: &openapi3.Schema{
+							Type: &openapi3.Types{"string"},
+							Enum: []any{"red", "green", "blue"},
+						}},
+					},
+				}},
+				"B": {Value: &openapi3.Schema{
+					Type: &openapi3.Types{"object"},
+					Properties: openapi3.Schemas{
+						"color": {Value: &openapi3.Schema{
+							Type: &openapi3.Types{"string"},
+							Enum: []any{"red", "green", "blue"},
+						}},
+					},
+				}},
+			},
+		},
+	}
+	astMap := map[string]string{EnumKey([]any{"red", "green", "blue"}): "Color"}
+	if err := extractSharedEnums(doc, astMap); err != nil {
+		t.Fatalf("extractSharedEnums: %v", err)
+	}
+	if _, ok := doc.Components.Schemas["Color"]; !ok {
+		t.Fatalf("expected Color schema to be extracted")
+	}
+}
+
+func TestFixFileSchemas_recursesIntoNested(t *testing.T) {
+	fileType := func() *openapi3.SchemaRef {
+		return &openapi3.SchemaRef{Value: &openapi3.Schema{Type: &openapi3.Types{"file"}}}
+	}
+	doc := &openapi3.T{
+		Paths: openapi3.NewPaths(),
+	}
+	doc.Paths.Set("/upload", &openapi3.PathItem{
+		Post: &openapi3.Operation{
+			RequestBody: &openapi3.RequestBodyRef{
+				Value: &openapi3.RequestBody{
+					Content: openapi3.Content{
+						"multipart/form-data": {
+							Schema: &openapi3.SchemaRef{Value: &openapi3.Schema{
+								Type: &openapi3.Types{"object"},
+								Properties: openapi3.Schemas{
+									"attachment": fileType(),
+									"items": {Value: &openapi3.Schema{
+										Type:  &openapi3.Types{"array"},
+										Items: fileType(),
+									}},
+									"alt": {Value: &openapi3.Schema{
+										AllOf: openapi3.SchemaRefs{fileType()},
+									}},
+									"one": {Value: &openapi3.Schema{
+										OneOf: openapi3.SchemaRefs{fileType()},
+									}},
+									"any": {Value: &openapi3.Schema{
+										AnyOf: openapi3.SchemaRefs{fileType()},
+									}},
+									"not": {Value: &openapi3.Schema{
+										Not: fileType(),
+									}},
+								},
+							}},
+						},
+					},
+				},
+			},
+			Responses: openapi3.NewResponses(),
+		},
+	})
+
+	fixFileSchemas(doc)
+
+	props := doc.Paths.Value("/upload").Post.RequestBody.Value.Content["multipart/form-data"].Schema.Value.Properties
+	if !props["attachment"].Value.Type.Is("string") || props["attachment"].Value.Format != "binary" {
+		t.Errorf("nested property not fixed: %+v", props["attachment"].Value)
+	}
+	if !props["items"].Value.Items.Value.Type.Is("string") || props["items"].Value.Items.Value.Format != "binary" {
+		t.Errorf("array items not fixed: %+v", props["items"].Value.Items.Value)
+	}
+	if !props["alt"].Value.AllOf[0].Value.Type.Is("string") || props["alt"].Value.AllOf[0].Value.Format != "binary" {
+		t.Errorf("allOf branch not fixed: %+v", props["alt"].Value.AllOf[0].Value)
+	}
+	if !props["one"].Value.OneOf[0].Value.Type.Is("string") || props["one"].Value.OneOf[0].Value.Format != "binary" {
+		t.Errorf("oneOf branch not fixed: %+v", props["one"].Value.OneOf[0].Value)
+	}
+	if !props["any"].Value.AnyOf[0].Value.Type.Is("string") || props["any"].Value.AnyOf[0].Value.Format != "binary" {
+		t.Errorf("anyOf branch not fixed: %+v", props["any"].Value.AnyOf[0].Value)
+	}
+	if !props["not"].Value.Not.Value.Type.Is("string") || props["not"].Value.Not.Value.Format != "binary" {
+		t.Errorf("not branch not fixed: %+v", props["not"].Value.Not.Value)
+	}
+}
+
+func TestExtractSharedEnums_missReturnsError(t *testing.T) {
+	doc := &openapi3.T{
+		Components: &openapi3.Components{
+			Schemas: openapi3.Schemas{
+				"A": {Value: &openapi3.Schema{
+					Type: &openapi3.Types{"object"},
+					Properties: openapi3.Schemas{
+						"color": {Value: &openapi3.Schema{
+							Type: &openapi3.Types{"string"},
+							Enum: []any{"red", "green"},
+						}},
+					},
+				}},
+				"B": {Value: &openapi3.Schema{
+					Type: &openapi3.Types{"object"},
+					Properties: openapi3.Schemas{
+						"color": {Value: &openapi3.Schema{
+							Type: &openapi3.Types{"string"},
+							Enum: []any{"red", "green"},
+						}},
+					},
+				}},
+			},
+		},
+	}
+	if err := extractSharedEnums(doc, map[string]string{}); err == nil {
+		t.Fatal("expected miss error")
+	}
+}
diff --git a/build/openapi3gen/enumscan.go b/build/openapi3gen/enumscan.go
new file mode 100644
index 0000000000..dd11620549
--- /dev/null
+++ b/build/openapi3gen/enumscan.go
@@ -0,0 +1,188 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+// Package openapi3gen converts Gitea's Swagger 2.0 spec to an OpenAPI 3.0
+// spec. It discovers Go enum type names by scanning swagger:enum annotations
+// in the source tree, then names extracted shared-enum schemas accordingly.
+package openapi3gen
+
+import (
+	"fmt"
+	"go/ast"
+	"go/parser"
+	"go/token"
+	"os"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+)
+
+// EnumKey returns a canonical key for a set of enum values: values are
+// stringified, sorted, and joined with "|". Used to match enum value sets
+// across spec properties and scanned Go type declarations.
+func EnumKey(values []any) string {
+	strs := make([]string, len(values))
+	for i, v := range values {
+		strs[i] = fmt.Sprintf("%v", v)
+	}
+	sort.Strings(strs)
+	return strings.Join(strs, "|")
+}
+
+var rxSwaggerEnum = regexp.MustCompile(`swagger:enum\s+(\w+)`)
+
+// ScanSwaggerEnumTypes walks .go files under each dir and returns a map from
+// a canonical value-set key (see EnumKey) to the Go type name declared with
+// // swagger:enum TypeName.
+//
+// Returns an error on parse failure, on an annotation for a type whose
+// constants can't be extracted, or on value-set collisions between two
+// different enum types.
+func ScanSwaggerEnumTypes(dirs []string) (map[string]string, error) {
+	fset := token.NewFileSet()
+	parsed := []*ast.File{}
+
+	for _, dir := range dirs {
+		entries, err := os.ReadDir(dir)
+		if err != nil {
+			return nil, fmt.Errorf("reading %s: %w", dir, err)
+		}
+		for _, entry := range entries {
+			if entry.IsDir() || !strings.HasSuffix(entry.Name(), ".go") {
+				continue
+			}
+			if strings.HasSuffix(entry.Name(), "_test.go") {
+				continue
+			}
+			path := filepath.Join(dir, entry.Name())
+			file, err := parser.ParseFile(fset, path, nil, parser.ParseComments)
+			if err != nil {
+				return nil, fmt.Errorf("%s: %w", path, err)
+			}
+			parsed = append(parsed, file)
+		}
+	}
+
+	enumTypes := map[string]string{} // typeName → "" (presence marker)
+	enumValues := map[string][]any{} // typeName → values
+
+	// Pass 1: collect every // swagger:enum TypeName declaration.
+	for _, file := range parsed {
+		for _, decl := range file.Decls {
+			gd, ok := decl.(*ast.GenDecl)
+			if !ok || gd.Tok != token.TYPE {
+				continue
+			}
+			if err := collectEnumType(gd, enumTypes); err != nil {
+				return nil, fmt.Errorf("%s: %w", fset.Position(gd.Pos()).Filename, err)
+			}
+		}
+	}
+
+	// Pass 2: collect const values; now every annotated type is visible.
+	for _, file := range parsed {
+		for _, decl := range file.Decls {
+			gd, ok := decl.(*ast.GenDecl)
+			if !ok || gd.Tok != token.CONST {
+				continue
+			}
+			collectEnumValues(gd, enumTypes, enumValues)
+		}
+	}
+
+	result := map[string]string{}
+	for typeName := range enumTypes {
+		values, ok := enumValues[typeName]
+		if !ok || len(values) == 0 {
+			return nil, fmt.Errorf("swagger:enum %s has no const block with typed string values", typeName)
+		}
+		key := EnumKey(values)
+		if existing, ok := result[key]; ok && existing != typeName {
+			return nil, fmt.Errorf("swagger:enum value-set collision: %s and %s both use %q", existing, typeName, key)
+		}
+		result[key] = typeName
+	}
+	return result, nil
+}
+
+// collectEnumType scans a `type` GenDecl for // swagger:enum annotations,
+// handling both the lone form (`// swagger:enum Foo\n type Foo string`)
+// where the comment group is attached to the GenDecl, and the grouped form:
+//
+//	type (
+//	    // swagger:enum Foo
+//	    Foo string
+//	)
+//
+// where the comment group is attached to each TypeSpec. Caveat: Go's parser
+// only attaches a CommentGroup when it is immediately adjacent to the decl.
+// A blank line (not a `//` continuation line) between the comment and the
+// declaration drops the Doc, so annotations MUST sit directly above their
+// type. All current annotated files obey this — the rule is noted here so
+// a future edit that inserts a blank line fails fast rather than silently.
+func collectEnumType(gd *ast.GenDecl, enumTypes map[string]string) error {
+	if err := registerEnumAnnotation(gd.Doc, gd.Specs, enumTypes); err != nil {
+		return err
+	}
+	for _, spec := range gd.Specs {
+		ts, ok := spec.(*ast.TypeSpec)
+		if !ok || ts.Doc == nil {
+			continue
+		}
+		if err := registerEnumAnnotation(ts.Doc, []ast.Spec{ts}, enumTypes); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func registerEnumAnnotation(doc *ast.CommentGroup, specs []ast.Spec, enumTypes map[string]string) error {
+	if doc == nil {
+		return nil
+	}
+	matches := rxSwaggerEnum.FindStringSubmatch(doc.Text())
+	if len(matches) < 2 {
+		return nil
+	}
+	annotated := matches[1]
+	for _, spec := range specs {
+		ts, ok := spec.(*ast.TypeSpec)
+		if !ok {
+			continue
+		}
+		if ts.Name.Name == annotated {
+			enumTypes[annotated] = ""
+			return nil
+		}
+	}
+	return fmt.Errorf("swagger:enum %s: no type declaration with that name in the same decl group; check for a typo", annotated)
+}
+
+func collectEnumValues(gd *ast.GenDecl, enumTypes map[string]string, enumValues map[string][]any) {
+	for _, spec := range gd.Specs {
+		vs, ok := spec.(*ast.ValueSpec)
+		if !ok || vs.Type == nil {
+			continue
+		}
+		ident, ok := vs.Type.(*ast.Ident)
+		if !ok {
+			continue
+		}
+		if _, isEnum := enumTypes[ident.Name]; !isEnum {
+			continue
+		}
+		for _, val := range vs.Values {
+			lit, ok := val.(*ast.BasicLit)
+			if !ok || lit.Kind != token.STRING {
+				continue
+			}
+			unquoted, err := strconv.Unquote(lit.Value)
+			if err != nil {
+				continue
+			}
+			enumValues[ident.Name] = append(enumValues[ident.Name], unquoted)
+		}
+	}
+}
diff --git a/build/openapi3gen/enumscan_test.go b/build/openapi3gen/enumscan_test.go
new file mode 100644
index 0000000000..2e5fe99db0
--- /dev/null
+++ b/build/openapi3gen/enumscan_test.go
@@ -0,0 +1,239 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package openapi3gen
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestEnumKey_sortsAndJoins(t *testing.T) {
+	key := EnumKey([]any{"b", "a", "c"})
+	if key != "a|b|c" {
+		t.Fatalf("EnumKey = %q, want %q", key, "a|b|c")
+	}
+}
+
+func TestEnumKey_handlesNonStringValues(t *testing.T) {
+	key := EnumKey([]any{2, 1, 3})
+	if key != "1|2|3" {
+		t.Fatalf("EnumKey = %q, want %q", key, "1|2|3")
+	}
+}
+
+func TestScanSwaggerEnumTypes_basic(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+// Color is a primary color.
+// swagger:enum Color
+type Color string
+
+const (
+	ColorRed   Color = "red"
+	ColorGreen Color = "green"
+	ColorBlue  Color = "blue"
+)
+`
+	if err := os.WriteFile(filepath.Join(dir, "color.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := ScanSwaggerEnumTypes([]string{dir})
+	if err != nil {
+		t.Fatalf("ScanSwaggerEnumTypes: %v", err)
+	}
+	wantKey := EnumKey([]any{"red", "green", "blue"})
+	if got[wantKey] != "Color" {
+		t.Fatalf("map[%q] = %q, want %q", wantKey, got[wantKey], "Color")
+	}
+}
+
+func TestScanSwaggerEnumTypes_orphanAnnotation(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+// swagger:enum Sttype
+type StateType string
+
+const (
+	StateOpen StateType = "open"
+)
+`
+	if err := os.WriteFile(filepath.Join(dir, "typo.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err := ScanSwaggerEnumTypes([]string{dir})
+	if err == nil {
+		t.Fatal("expected error for annotation referencing a non-matching type name")
+	}
+	if !strings.Contains(err.Error(), "Sttype") {
+		t.Fatalf("error %q should mention the typo'd name Sttype", err.Error())
+	}
+}
+
+func TestScanSwaggerEnumTypes_collision(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+// swagger:enum Alpha
+type Alpha string
+const (
+	AlphaX Alpha = "x"
+	AlphaY Alpha = "y"
+)
+
+// swagger:enum Beta
+type Beta string
+const (
+	BetaX Beta = "x"
+	BetaY Beta = "y"
+)
+`
+	if err := os.WriteFile(filepath.Join(dir, "dup.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err := ScanSwaggerEnumTypes([]string{dir})
+	if err == nil {
+		t.Fatal("expected collision error, got nil")
+	}
+	msg := err.Error()
+	if !strings.Contains(msg, "Alpha") || !strings.Contains(msg, "Beta") {
+		t.Fatalf("error %q should mention both Alpha and Beta", msg)
+	}
+}
+
+func TestScanSwaggerEnumTypes_parseFailure(t *testing.T) {
+	dir := t.TempDir()
+	if err := os.WriteFile(filepath.Join(dir, "bad.go"), []byte("package fixture\nfunc Foo() {"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err := ScanSwaggerEnumTypes([]string{dir})
+	if err == nil {
+		t.Fatal("expected parse error, got nil")
+	}
+}
+
+func TestScanSwaggerEnumTypes_annotationWithoutConsts(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+// swagger:enum Lonely
+type Lonely string
+`
+	if err := os.WriteFile(filepath.Join(dir, "lonely.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err := ScanSwaggerEnumTypes([]string{dir})
+	if err == nil {
+		t.Fatal("expected error for annotation without consts")
+	}
+	if !strings.Contains(err.Error(), "Lonely") {
+		t.Fatalf("error %q should mention Lonely", err.Error())
+	}
+}
+
+func TestScanSwaggerEnumTypes_constsAndTypeInDifferentFiles(t *testing.T) {
+	dir := t.TempDir()
+	// Name ordering: `a_consts.go` < `b_type.go`, so readdir returns consts first.
+	// Old single-pass scanner would miss the values; two-pass must not.
+	constsSrc := `package fixture
+
+const (
+	HueA Hue = "a"
+	HueB Hue = "b"
+)
+`
+	typeSrc := `package fixture
+
+// swagger:enum Hue
+type Hue string
+`
+	if err := os.WriteFile(filepath.Join(dir, "a_consts.go"), []byte(constsSrc), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(dir, "b_type.go"), []byte(typeSrc), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := ScanSwaggerEnumTypes([]string{dir})
+	if err != nil {
+		t.Fatalf("ScanSwaggerEnumTypes: %v", err)
+	}
+	wantKey := EnumKey([]any{"a", "b"})
+	if got[wantKey] != "Hue" {
+		t.Fatalf("map[%q] = %q, want %q", wantKey, got[wantKey], "Hue")
+	}
+}
+
+func TestScanSwaggerEnumTypes_constsBeforeType(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+const (
+	ShadeDark  Shade = "dark"
+	ShadeLight Shade = "light"
+)
+
+// swagger:enum Shade
+type Shade string
+`
+	if err := os.WriteFile(filepath.Join(dir, "shade.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := ScanSwaggerEnumTypes([]string{dir})
+	if err != nil {
+		t.Fatalf("ScanSwaggerEnumTypes: %v", err)
+	}
+	wantKey := EnumKey([]any{"dark", "light"})
+	if got[wantKey] != "Shade" {
+		t.Fatalf("map[%q] = %q, want %q", wantKey, got[wantKey], "Shade")
+	}
+}
+
+func TestScanSwaggerEnumTypes_groupedTypeDecl(t *testing.T) {
+	dir := t.TempDir()
+	src := `package fixture
+
+type (
+	// swagger:enum Color
+	Color string
+	// swagger:enum Shade
+	Shade string
+)
+
+const (
+	ColorRed  Color = "red"
+	ColorBlue Color = "blue"
+)
+
+const (
+	ShadeDark  Shade = "dark"
+	ShadeLight Shade = "light"
+)
+`
+	if err := os.WriteFile(filepath.Join(dir, "grouped.go"), []byte(src), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := ScanSwaggerEnumTypes([]string{dir})
+	if err != nil {
+		t.Fatalf("ScanSwaggerEnumTypes: %v", err)
+	}
+	colorKey := EnumKey([]any{"red", "blue"})
+	shadeKey := EnumKey([]any{"dark", "light"})
+	if got[colorKey] != "Color" {
+		t.Fatalf("Color: map[%q] = %q, want %q", colorKey, got[colorKey], "Color")
+	}
+	if got[shadeKey] != "Shade" {
+		t.Fatalf("Shade: map[%q] = %q, want %q", shadeKey, got[shadeKey], "Shade")
+	}
+}
diff --git a/build/test-env-check.sh b/build/test-env-check.sh
new file mode 100755
index 0000000000..38e5a28823
--- /dev/null
+++ b/build/test-env-check.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -f ./build/test-env-check.sh ]; then
+  echo "${0} can only be executed in gitea source root directory"
+  exit 1
+fi
+
+
+echo "check uid ..."
+
+# the uid of gitea defined in "https://gitea.com/gitea/test-env" is 1000
+gitea_uid=$(id -u gitea)
+if [ "$gitea_uid" != "1000" ]; then
+  echo "The uid of linux user 'gitea' is expected to be 1000, but it is $gitea_uid"
+  exit 1
+fi
+
+cur_uid=$(id -u)
+if [ "$cur_uid" != "0" -a "$cur_uid" != "$gitea_uid" ]; then
+  echo "The uid of current linux user is expected to be 0 or $gitea_uid, but it is $cur_uid"
+  exit 1
+fi
diff --git a/build/test-env-prepare.sh b/build/test-env-prepare.sh
new file mode 100755
index 0000000000..0c5bc25f11
--- /dev/null
+++ b/build/test-env-prepare.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -f ./build/test-env-prepare.sh ]; then
+  echo "${0} can only be executed in gitea source root directory"
+  exit 1
+fi
+
+echo "change the owner of files to gitea ..."
+chown -R gitea:gitea .
diff --git a/build/update-locales.sh b/build/update-locales.sh
new file mode 100755
index 0000000000..5316746f30
--- /dev/null
+++ b/build/update-locales.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# this script runs in alpine image which only has `sh` shell
+if [ ! -f ./options/locale/locale_en-US.json ]; then
+  echo "please run this script in the root directory of the project"
+  exit 1
+fi
+
+mv ./options/locale/locale_en-US.json ./options/
+
+# Remove translation under 25% of en_us
+baselines=$(cat "./options/locale_en-US.json" | wc -l)
+baselines=$((baselines / 4))
+for filename in ./options/locale/*.json; do
+  lines=$(cat "$filename" | wc -l)
+  if [ "$lines" -lt "$baselines" ]; then
+    echo "Removing $filename: $lines/$baselines"
+    rm "$filename"
+  fi
+done
+
+mv ./options/locale_en-US.json ./options/locale/