T-1: initialize monorepo structure with backend and frontend scaffolds

Backend: Spring Boot 3.5.11 on Java 25, Maven with wrapper, hexagonal
architecture package layout (domain/application/adapter/config), health
endpoint with integration test. Originally planned for Spring Boot 4.0
but pivoted due to massive package reorganization in 4.0 (see addenda
in research and plan docs).

Frontend: Vue 3 scaffolded via create-vue with TypeScript, Vue Router,
Vitest, ESLint, Prettier. Pivoted from Svelte due to ecosystem maturity
concerns (broken router ecosystem for Svelte 5).

Also: extended .gitignore for Java/Maven and Node/Vue artifacts, updated
CLAUDE.md with tech stack, build commands, agent documentation sections,
and document integrity rule.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-04 01:32:18 +01:00
parent 7b460dd322
commit a55174b323
58 changed files with 8933 additions and 9 deletions

45
.gitignore vendored
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@@ -9,3 +9,48 @@ Thumbs.db
# Claude Code (machine-local) # Claude Code (machine-local)
.claude/settings.local.json .claude/settings.local.json
.rodney/
.agent-tests/
# Java/Maven
*.class
*.jar
*.war
*.ear
*.nar
target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
.mvn/wrapper/maven-wrapper.jar
.classpath
.project
.settings/
.factorypath
.springBeans
.sts4-cache
hs_err_pid*
replay_pid*
*.log
# Node.js/Vue/Vite
node_modules/
dist/
build/
vite.config.js.timestamp-*
vite.config.ts.timestamp-*
npm-debug.log*
# Environment
.env
.env.*
!.env.example
# Editor swap files
*.swp
*.swo
*~
\#*\#
.#*

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@@ -20,6 +20,7 @@ These are the non-negotiable principles of this project. Every decision — arch
- Always write tests before implementation (TDD). Red → Green → Refactor. - Always write tests before implementation (TDD). Red → Green → Refactor.
- Refactoring is permitted freely as long as it does not alter the fundamental architecture. - Refactoring is permitted freely as long as it does not alter the fundamental architecture.
- No vibe coding. Every line of code must be intentional and traceable to a requirement. - No vibe coding. Every line of code must be intentional and traceable to a requirement.
- Document integrity: when a decision is revised (pivot), add an addendum with rationale — never rewrite or delete the original decision. Traceability over tidiness.
### Privacy ### Privacy
@@ -54,6 +55,33 @@ These are the non-negotiable principles of this project. Every decision — arch
- A docker-compose example in the README is sufficient. - A docker-compose example in the README is sufficient.
- Documentation lives in the README. No wiki, no elaborate docs site. - Documentation lives in the README. No wiki, no elaborate docs site.
### Tech Stack
- **Backend:** Java 25 (LTS, installed via SDKMAN), Spring Boot 3.5.x, Maven with wrapper (`./mvnw`)
- **Frontend:** Vue 3, TypeScript, Vue Router, Vite, Vitest, ESLint, Prettier
- **Node.js:** 24 LTS (for Docker/CI; development tolerates newer versions)
- **Base package:** `de.fete`, hexagonal architecture (single Maven module, package-level separation)
- **No Pinia** — Composition API (`ref`/`reactive`) + localStorage is sufficient
- **No JPA until T-4** — added when database infrastructure is ready
### Build Commands
| What | Command |
|------|---------|
| Backend test | `cd backend && ./mvnw test` |
| Backend run | `cd backend && ./mvnw spring-boot:run` |
| Frontend install | `cd frontend && npm install` |
| Frontend build | `cd frontend && npm run build` |
| Frontend test | `cd frontend && npm run test:unit` |
| Frontend dev | `cd frontend && npm run dev` |
### Agent Documentation
- Research reports: `docs/agents/research/`
- Implementation plans: `docs/agents/plan/`
- Agent test reports (browser verification): `.agent-tests/` (gitignored)
- Use the `browser-interactive-testing` skill (rodney/showboat) for visual verification — this is an agent tool, not manual work.
### Ralph Loops ### Ralph Loops
- Autonomous work is done via Ralph Loops. See [.claude/rules/ralph-loops.md](.claude/rules/ralph-loops.md) for documentation. - Autonomous work is done via Ralph Loops. See [.claude/rules/ralph-loops.md](.claude/rules/ralph-loops.md) for documentation.

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@@ -75,6 +75,6 @@ Die folgenden Punkte wurden in Diskussionen bereits geklärt und sind verbindlic
* App wird als einzelner Docker-Container ausgeliefert, verbindet sich per Konfiguration (env variable) mit der externen Postgres-Instanz * App wird als einzelner Docker-Container ausgeliefert, verbindet sich per Konfiguration (env variable) mit der externen Postgres-Instanz
* Techstack: * Techstack:
* Backend: Java (neuste LTS Version), Spring Boot, Maven, Hexagonal/Onion Architecture * Backend: Java (neuste LTS Version), Spring Boot, Maven, Hexagonal/Onion Architecture
* Frontend: Svelte (mit Vite als Bundler) * Frontend: Vue 3 (mit Vite als Bundler, TypeScript, Vue Router)
* Architekturentscheidungen die NOCH NICHT getroffen wurden (hier darf nichts eigenmächtig entschieden werden!): * Architekturentscheidungen die NOCH NICHT getroffen wurden (hier darf nichts eigenmächtig entschieden werden!):
* (derzeit keine offenen Architekturentscheidungen) * (derzeit keine offenen Architekturentscheidungen)

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@@ -36,7 +36,7 @@ A privacy-focused, self-hostable web app for event announcements and RSVPs. An a
| Layer | Technology | | Layer | Technology |
|--------------|------------------------------------------| |--------------|------------------------------------------|
| Backend | Java (latest LTS), Spring Boot, Maven | | Backend | Java (latest LTS), Spring Boot, Maven |
| Frontend | Svelte, Vite | | Frontend | Vue 3, Vite, TypeScript |
| Database | PostgreSQL (external, not bundled) | | Database | PostgreSQL (external, not bundled) |
| Architecture | SPA + RESTful API, hexagonal/onion backend | | Architecture | SPA + RESTful API, hexagonal/onion backend |
| Deployment | Single Docker container | | Deployment | Single Docker container |
@@ -104,7 +104,7 @@ If you use the Unsplash header image feature, mount a persistent volume for stor
### Prerequisites ### Prerequisites
- Java (latest LTS) + Maven - Java (latest LTS) + Maven
- Node.js + npm - Node.js (latest LTS) + npm
- PostgreSQL (or Docker for Testcontainers) - PostgreSQL (or Docker for Testcontainers)
### Project structure ### Project structure
@@ -112,7 +112,7 @@ If you use the Unsplash header image feature, mount a persistent volume for stor
``` ```
fete/ fete/
├── backend/ # Spring Boot application (Maven) ├── backend/ # Spring Boot application (Maven)
├── frontend/ # Svelte SPA (Vite) ├── frontend/ # Vue 3 SPA (Vite, TypeScript)
├── spec/ # User stories, personas, implementation phases ├── spec/ # User stories, personas, implementation phases
├── Dockerfile # Multi-stage build for production ├── Dockerfile # Multi-stage build for production
└── CLAUDE.md # Project statutes and AI agent instructions └── CLAUDE.md # Project statutes and AI agent instructions

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@@ -0,0 +1,3 @@
wrapperVersion=3.3.4
distributionType=only-script
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip

295
backend/mvnw vendored Executable file
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@@ -0,0 +1,295 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.3.4
#
# Optional ENV vars
# -----------------
# JAVA_HOME - location of a JDK home dir, required when download maven via java source
# MVNW_REPOURL - repo url base for downloading maven distribution
# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
# ----------------------------------------------------------------------------
set -euf
[ "${MVNW_VERBOSE-}" != debug ] || set -x
# OS specific support.
native_path() { printf %s\\n "$1"; }
case "$(uname)" in
CYGWIN* | MINGW*)
[ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
native_path() { cygpath --path --windows "$1"; }
;;
esac
# set JAVACMD and JAVACCMD
set_java_home() {
# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
if [ -n "${JAVA_HOME-}" ]; then
if [ -x "$JAVA_HOME/jre/sh/java" ]; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
JAVACCMD="$JAVA_HOME/jre/sh/javac"
else
JAVACMD="$JAVA_HOME/bin/java"
JAVACCMD="$JAVA_HOME/bin/javac"
if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
return 1
fi
fi
else
JAVACMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v java
)" || :
JAVACCMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v javac
)" || :
if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
return 1
fi
fi
}
# hash string like Java String::hashCode
hash_string() {
str="${1:-}" h=0
while [ -n "$str" ]; do
char="${str%"${str#?}"}"
h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
str="${str#?}"
done
printf %x\\n $h
}
verbose() { :; }
[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
die() {
printf %s\\n "$1" >&2
exit 1
}
trim() {
# MWRAPPER-139:
# Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
# Needed for removing poorly interpreted newline sequences when running in more
# exotic environments such as mingw bash on Windows.
printf "%s" "${1}" | tr -d '[:space:]'
}
scriptDir="$(dirname "$0")"
scriptName="$(basename "$0")"
# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
while IFS="=" read -r key value; do
case "${key-}" in
distributionUrl) distributionUrl=$(trim "${value-}") ;;
distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
esac
done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties"
[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
case "${distributionUrl##*/}" in
maven-mvnd-*bin.*)
MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
*AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
:Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
:Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
:Linux*x86_64*) distributionPlatform=linux-amd64 ;;
*)
echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
distributionPlatform=linux-amd64
;;
esac
distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
;;
maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
esac
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
distributionUrlName="${distributionUrl##*/}"
distributionUrlNameMain="${distributionUrlName%.*}"
distributionUrlNameMain="${distributionUrlNameMain%-bin}"
MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
exec_maven() {
unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
}
if [ -d "$MAVEN_HOME" ]; then
verbose "found existing MAVEN_HOME at $MAVEN_HOME"
exec_maven "$@"
fi
case "${distributionUrl-}" in
*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
esac
# prepare tmp dir
if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
trap clean HUP INT TERM EXIT
else
die "cannot create temp dir"
fi
mkdir -p -- "${MAVEN_HOME%/*}"
# Download and Install Apache Maven
verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
verbose "Downloading from: $distributionUrl"
verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
# select .zip or .tar.gz
if ! command -v unzip >/dev/null; then
distributionUrl="${distributionUrl%.zip}.tar.gz"
distributionUrlName="${distributionUrl##*/}"
fi
# verbose opt
__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
# normalize http auth
case "${MVNW_PASSWORD:+has-password}" in
'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
esac
if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
verbose "Found wget ... using wget"
wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
verbose "Found curl ... using curl"
curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
elif set_java_home; then
verbose "Falling back to use Java to download"
javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
cat >"$javaSource" <<-END
public class Downloader extends java.net.Authenticator
{
protected java.net.PasswordAuthentication getPasswordAuthentication()
{
return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
}
public static void main( String[] args ) throws Exception
{
setDefault( new Downloader() );
java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
}
}
END
# For Cygwin/MinGW, switch paths to Windows format before running javac and java
verbose " - Compiling Downloader.java ..."
"$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
verbose " - Running Downloader.java ..."
"$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
fi
# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
distributionSha256Result=false
if [ "$MVN_CMD" = mvnd.sh ]; then
echo "Checksum validation is not supported for maven-mvnd." >&2
echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
elif command -v sha256sum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then
distributionSha256Result=true
fi
elif command -v shasum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
distributionSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
fi
if [ $distributionSha256Result = false ]; then
echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
exit 1
fi
fi
# unzip and move
if command -v unzip >/dev/null; then
unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
else
tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
fi
# Find the actual extracted directory name (handles snapshots where filename != directory name)
actualDistributionDir=""
# First try the expected directory name (for regular distributions)
if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then
if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then
actualDistributionDir="$distributionUrlNameMain"
fi
fi
# If not found, search for any directory with the Maven executable (for snapshots)
if [ -z "$actualDistributionDir" ]; then
# enable globbing to iterate over items
set +f
for dir in "$TMP_DOWNLOAD_DIR"/*; do
if [ -d "$dir" ]; then
if [ -f "$dir/bin/$MVN_CMD" ]; then
actualDistributionDir="$(basename "$dir")"
break
fi
fi
done
set -f
fi
if [ -z "$actualDistributionDir" ]; then
verbose "Contents of $TMP_DOWNLOAD_DIR:"
verbose "$(ls -la "$TMP_DOWNLOAD_DIR")"
die "Could not find Maven distribution directory in extracted archive"
fi
verbose "Found extracted Maven distribution directory: $actualDistributionDir"
printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url"
mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
clean || :
exec_maven "$@"

189
backend/mvnw.cmd vendored Normal file
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@@ -0,0 +1,189 @@
<# : batch portion
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.3.4
@REM
@REM Optional ENV vars
@REM MVNW_REPOURL - repo url base for downloading maven distribution
@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output
@REM ----------------------------------------------------------------------------
@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
@SET __MVNW_CMD__=
@SET __MVNW_ERROR__=
@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
@SET PSModulePath=
@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
)
@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
@SET __MVNW_PSMODULEP_SAVE=
@SET __MVNW_ARG0_NAME__=
@SET MVNW_USERNAME=
@SET MVNW_PASSWORD=
@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*)
@echo Cannot start maven from wrapper >&2 && exit /b 1
@GOTO :EOF
: end batch / begin powershell #>
$ErrorActionPreference = "Stop"
if ($env:MVNW_VERBOSE -eq "true") {
$VerbosePreference = "Continue"
}
# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
if (!$distributionUrl) {
Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
}
switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
"maven-mvnd-*" {
$USE_MVND = $true
$distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
$MVN_CMD = "mvnd.cmd"
break
}
default {
$USE_MVND = $false
$MVN_CMD = $script -replace '^mvnw','mvn'
break
}
}
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
if ($env:MVNW_REPOURL) {
$MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" }
$distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')"
}
$distributionUrlName = $distributionUrl -replace '^.*/',''
$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
$MAVEN_M2_PATH = "$HOME/.m2"
if ($env:MAVEN_USER_HOME) {
$MAVEN_M2_PATH = "$env:MAVEN_USER_HOME"
}
if (-not (Test-Path -Path $MAVEN_M2_PATH)) {
New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null
}
$MAVEN_WRAPPER_DISTS = $null
if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) {
$MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists"
} else {
$MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists"
}
$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain"
$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
exit $?
}
if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
}
# prepare tmp dir
$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
trap {
if ($TMP_DOWNLOAD_DIR.Exists) {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
}
New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
# Download and Install Apache Maven
Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
Write-Verbose "Downloading from: $distributionUrl"
Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
$webclient = New-Object System.Net.WebClient
if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
$webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
}
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
# If specified, validate the SHA-256 sum of the Maven distribution zip file
$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
if ($distributionSha256Sum) {
if ($USE_MVND) {
Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
}
Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
}
}
# unzip and move
Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
# Find the actual extracted directory name (handles snapshots where filename != directory name)
$actualDistributionDir = ""
# First try the expected directory name (for regular distributions)
$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain"
$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD"
if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) {
$actualDistributionDir = $distributionUrlNameMain
}
# If not found, search for any directory with the Maven executable (for snapshots)
if (!$actualDistributionDir) {
Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object {
$testPath = Join-Path $_.FullName "bin/$MVN_CMD"
if (Test-Path -Path $testPath -PathType Leaf) {
$actualDistributionDir = $_.Name
}
}
}
if (!$actualDistributionDir) {
Write-Error "Could not find Maven distribution directory in extracted archive"
}
Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir"
Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null
try {
Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
} catch {
if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
Write-Error "fail to move MAVEN_HOME"
}
} finally {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

46
backend/pom.xml Normal file
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@@ -0,0 +1,46 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.5.11</version>
<relativePath/>
</parent>
<groupId>de.fete</groupId>
<artifactId>fete-backend</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>fete-backend</name>
<description>Privacy-focused event announcements and RSVPs</description>
<properties>
<java.version>25</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

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@@ -0,0 +1,12 @@
package de.fete;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class FeteApplication {
public static void main(String[] args) {
SpringApplication.run(FeteApplication.class, args);
}
}

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@@ -0,0 +1,15 @@
package de.fete.adapter.in.web;
import java.util.Map;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HealthController {
@GetMapping("/health")
public Map<String, String> health() {
return Map.of("status", "ok");
}
}

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@@ -0,0 +1,6 @@
/**
* Inbound web adapter: REST controllers, DTOs, and request/response mappers.
*
* <p>May depend on application and domain layers.
*/
package de.fete.adapter.in.web;

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@@ -0,0 +1,6 @@
/**
* Outbound persistence adapter: JPA entities, Spring Data repositories, and mappers.
*
* <p>May depend on application and domain layers.
*/
package de.fete.adapter.out.persistence;

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@@ -0,0 +1,6 @@
/**
* Application services: use case implementations.
*
* <p>May depend on domain only. Uses {@code @Service} for component scanning.
*/
package de.fete.application.service;

View File

@@ -0,0 +1,6 @@
/**
* Configuration: Spring {@code @Configuration} and {@code @Bean} definitions.
*
* <p>Wiring layer — may depend on all other packages.
*/
package de.fete.config;

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@@ -0,0 +1,7 @@
/**
* Domain model: entities and value objects.
*
* <p>Plain Java — no framework annotations allowed.
* This package has no dependencies on other packages.
*/
package de.fete.domain.model;

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@@ -0,0 +1,6 @@
/**
* Driving ports: use case interfaces that the application layer implements.
*
* <p>Plain Java interfaces — no framework annotations allowed.
*/
package de.fete.domain.port.in;

View File

@@ -0,0 +1,6 @@
/**
* Driven ports: repository and external service interfaces.
*
* <p>Plain Java interfaces — no framework annotations allowed.
*/
package de.fete.domain.port.out;

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@@ -0,0 +1 @@
spring.application.name=fete

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@@ -0,0 +1,31 @@
package de.fete;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.web.servlet.MockMvc;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@SpringBootTest
@AutoConfigureMockMvc
class FeteApplicationTest {
@Autowired
private MockMvc mockMvc;
@Test
void contextLoads() {
// Spring context starts successfully
}
@Test
void healthEndpointReturns200() throws Exception {
mockMvc.perform(get("/health"))
.andExpect(status().isOk())
.andExpect(jsonPath("$.status").value("ok"));
}
}

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@@ -0,0 +1,179 @@
# Implementation Plan: T-1 — Initialize Monorepo Structure
## Context
This is the first setup task for the fete project — a privacy-focused, self-hostable PWA for event announcements and RSVPs. The repository currently contains only documentation, specs, and Ralph loop infrastructure. No application code exists yet.
The tech stack was decided during the research phase (see `docs/agents/research/2026-03-04-t1-monorepo-setup.md`):
- **Backend:** Java 25 (latest LTS), ~~Spring Boot 4.0~~ Spring Boot 3.5.11 (see addendum), Maven, hexagonal architecture, base package `de.fete`
- **Java installation:** Via SDKMAN! (`sdk install java 25-open`), no system-level JDK
- **Frontend:** Vue 3, Vite, TypeScript, Vue Router, Vitest
- **Node.js:** Latest LTS (24)
## Phase 1: Backend Scaffold
### 1.1 Create directory structure
Create `backend/` with the hexagonal architecture package layout:
```
backend/
├── pom.xml
├── mvnw, mvnw.cmd
├── .mvn/wrapper/maven-wrapper.properties
└── src/
├── main/
│ ├── java/de/fete/
│ │ ├── FeteApplication.java
│ │ ├── domain/
│ │ │ ├── model/package-info.java
│ │ │ └── port/
│ │ │ ├── in/package-info.java
│ │ │ └── out/package-info.java
│ │ ├── application/
│ │ │ └── service/package-info.java
│ │ ├── adapter/
│ │ │ ├── in/web/package-info.java
│ │ │ └── out/persistence/package-info.java
│ │ └── config/package-info.java
│ └── resources/
│ └── application.properties
└── test/
└── java/de/fete/
└── FeteApplicationTest.java
```
### 1.2 Create `pom.xml`
- Parent: `spring-boot-starter-parent` (latest 4.0.x, or fall back to 3.5.x if 4.0 is unavailable)
- GroupId: `de.fete`, ArtifactId: `fete-backend`
- Java version: 25
- Dependencies:
- `spring-boot-starter-web` (embedded Tomcat, Spring MVC)
- `spring-boot-starter-test` (scope: test)
- NO JPA yet (deferred to T-4)
### 1.3 Add Maven Wrapper
Generate via `mvn wrapper:wrapper` (or manually create the wrapper files). This ensures contributors and Docker builds don't need a Maven installation.
### 1.4 Create application class
`FeteApplication.java` in `de.fete` — minimal `@SpringBootApplication` with `main()`.
### 1.5 Create a minimal health endpoint
A simple `@RestController` in `adapter/in/web/` that responds to `GET /health` with HTTP 200 and a JSON body like `{"status": "ok"}`. This satisfies:
- The user's requirement that a REST request returns 200
- Prepares for T-2's health-check requirement
### 1.6 Create package-info.java markers
One per leaf package, documenting the package's purpose and architectural constraints. These serve as Git directory markers AND developer documentation.
### 1.7 Write integration test
`FeteApplicationTest.java`:
- `@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)`
- Test 1: Spring context loads successfully
- Test 2: HTTP GET to `/health` returns 200
### 1.8 Verify backend
- [x] `cd backend && ./mvnw test` — tests pass (context loads + health endpoint returns 200)
- [x] `cd backend && ./mvnw spring-boot:run` — app starts on port 8080
- [x] `curl http://localhost:8080/health` — returns 200 with `{"status": "ok"}`
## Phase 2: Frontend Scaffold
### 2.1 Scaffold Vue project
Run `npm create vue@latest` in `frontend/` with these options:
- TypeScript: Yes
- Vue Router: Yes
- Pinia: No
- Vitest: Yes
- ESLint: Yes
- Prettier: Yes
- E2E: No
If the interactive prompts can't be automated, create the project manually based on the `create-vue` template output.
### 2.2 Add `composables/` directory
Create `src/composables/` (empty, with a `.gitkeep` or initial placeholder) — convention for Composition API composables needed later.
### 2.3 Verify frontend builds and tests
- [x] `cd frontend && npm install`
- [x] `cd frontend && npm run build` — builds successfully
- [x] `cd frontend && npm run test:unit` — Vitest runs (sample test passes)
### 2.4 Verify via browser
- [x] `cd frontend && npm run dev` — starts dev server
- [x] Use `browser-interactive-testing` skill to visit the dev server URL and verify the page loads
## Phase 3: Shared Files
### 3.1 Update `.gitignore`
Extend the existing `.gitignore` with sections for:
- Java/Maven (target/, *.class, *.jar, Maven release files, crash logs)
- Node.js/Vue/Vite (node_modules/, dist/, build/, vite temp files)
- Environment files (.env, .env.* but NOT .env.example)
- Editor swap files (*.swp, *.swo, *~)
- Spring Boot (.springBeans, .sts4-cache)
Keep existing entries (IDE, OS, Claude settings) intact.
### 3.2 Verify .gitignore
Run `git status` after building both projects to confirm build artifacts are properly ignored.
- [x] `git status` shows no `target/`, `node_modules/`, `dist/`, or other build artifacts
## Verification Checklist (Done Criteria)
### Backend
- [x] `cd backend && ./mvnw test` passes (integration test: context loads + GET /health → 200)
- [x] `cd backend && ./mvnw spring-boot:run` starts successfully
- [x] `curl http://localhost:8080/health` returns HTTP 200
- [x] Hexagonal package structure exists with package-info.java markers
### Frontend
- [x] `cd frontend && npm run build` succeeds
- [x] `cd frontend && npm run test:unit` runs and passes
- [x] Browser verification via `browser-interactive-testing` skill confirms page loads
### Shared
- [x] `.gitignore` covers Java/Maven + Node/Vue artifacts
- [x] `git status` shows no unintended tracked build artifacts
- [x] T-1 acceptance criteria from `spec/setup-tasks.md` are met
## Files to Create/Modify
**Create:**
- `backend/pom.xml`
- `backend/mvnw`, `backend/mvnw.cmd`, `backend/.mvn/wrapper/maven-wrapper.properties`
- `backend/src/main/java/de/fete/FeteApplication.java`
- `backend/src/main/java/de/fete/adapter/in/web/HealthController.java`
- `backend/src/main/java/de/fete/domain/model/package-info.java`
- `backend/src/main/java/de/fete/domain/port/in/package-info.java`
- `backend/src/main/java/de/fete/domain/port/out/package-info.java`
- `backend/src/main/java/de/fete/application/service/package-info.java`
- `backend/src/main/java/de/fete/adapter/in/web/package-info.java`
- `backend/src/main/java/de/fete/adapter/out/persistence/package-info.java`
- `backend/src/main/java/de/fete/config/package-info.java`
- `backend/src/main/resources/application.properties`
- `backend/src/test/java/de/fete/FeteApplicationTest.java`
- `frontend/` (entire scaffolded project via create-vue)
**Modify:**
- `.gitignore` (extend with Java/Maven + Node/Vue sections)
## Addendum: Spring Boot 4.0 → 3.5 Pivot
During implementation, Spring Boot 4.0.3 was abandoned in favor of **3.5.11**. The 4.0 release reorganized test infrastructure into new modules and packages (`TestRestTemplate``spring-boot-resttestclient`, `AutoConfigureMockMvc` → unknown location) without adequate migration documentation. Multiple attempts to resolve compilation and auto-configuration errors failed, making it impractical for the scaffold phase.
The pivot has no impact on project architecture or future tasks. Migration to 4.x can be revisited once the ecosystem matures. See the research report addendum for full details.

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@@ -0,0 +1,477 @@
---
date: 2026-03-04T00:19:03+01:00
git_commit: 7b460dd322359dc1fa3ca0dc950a91c607163977
branch: master
topic: "T-1: Initialize monorepo structure — Tech stack research"
tags: [research, codebase, t-1, scaffolding, spring-boot, vue, maven, vite, hexagonal-architecture]
status: complete
---
# Research: T-1 — Initialize Monorepo Structure
## Research Question
What are the current versions, scaffolding approaches, and architectural patterns needed to implement T-1 (Initialize monorepo structure) with the specified tech stack: Java (latest LTS), Spring Boot, Maven, hexagonal/onion architecture backend + Svelte with Vite frontend?
## Summary
This research covers all technical aspects needed for T-1. The spec requires a monorepo with `backend/` and `frontend/` directories, both building successfully as empty scaffolds. The key findings and open decisions are:
1. **Java 25** is the current LTS (Sep 2025). Spring Boot **4.0.3** is the latest stable — but **3.5.x** is more battle-tested. This is an architectural decision.
2. **Svelte 5** is stable (since Oct 2024). The SPA router ecosystem for plain Svelte 5 is weak — **SvelteKit in SPA mode** is the pragmatic alternative.
3. **Hexagonal architecture**: Single Maven module with package-level separation + ArchUnit enforcement. Base package `com.fete`.
4. **TypeScript** for the frontend is recommended but is a decision point.
## Detailed Findings
### 1. Java Version
**Java 25 (LTS)** — released September 16, 2025.
- Premier support through Sep 2030, extended support through Sep 2033.
- Supersedes Java 21 (Sep 2023) as the current LTS.
- Java 21 is still supported but free updates end Sep 2026.
- Next LTS: Java 29 (Sep 2027).
**Recommendation:** Java 25. Longest support runway, both Spring Boot 3.5 and 4.0 support it.
### 2. Spring Boot Version
Two actively supported lines as of March 2026:
| Version | Latest Patch | OSS Support Ends | Java Baseline | Key Dependencies |
|---------|-------------|-------------------|---------------|-----------------|
| **4.0.x** | 4.0.3 | Dec 2026 | Java 17+ (up to 25) | Spring Framework 7.0, Jakarta EE 11, Hibernate 7.1, Jackson 3.0, Tomcat 11.0 |
| **3.5.x** | 3.5.11 | Jun 2026 | Java 17+ (up to 25) | Spring Framework 6.x, Jakarta EE 10, Hibernate 6.x, Jackson 2.x, Tomcat 10.x |
**Trade-offs:**
| Factor | Spring Boot 4.0 | Spring Boot 3.5 |
|--------|----------------|-----------------|
| Support runway | Dec 2026 (longer) | Jun 2026 (shorter) |
| Ecosystem maturity | Jackson 3.0 + Hibernate 7.1 are new major versions; fewer community examples | Battle-tested, large ecosystem of examples |
| Migration burden | None (greenfield) | None (greenfield) |
| Forward-looking | Yes | Will need migration to 4.x eventually |
**Decision needed:** Spring Boot 4.0 (forward-looking) vs. 3.5 (more battle-tested). Both support Java 25.
### 3. Maven
- **Maven version:** 3.9.12 (latest stable; Maven 4.0.0 is still RC).
- **Maven Wrapper:** Yes, include it. Modern "only-script" distribution — no binary JAR in repo. Scripts `mvnw`/`mvnw.cmd` + `.mvn/wrapper/maven-wrapper.properties` are committed.
- Benefits: deterministic builds in Docker, no Maven pre-install requirement for contributors or CI.
**Minimal dependencies for Spring Boot + PostgreSQL:**
```xml
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>4.0.3</version> <!-- or 3.5.11 -->
<relativePath/>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
```
Note: For the empty scaffold (T-1), JPA autoconfig must be excluded or deferred since there's no DB yet. Either omit `spring-boot-starter-data-jpa` until T-4, or add `spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration` to `application.properties`.
### 4. Svelte + Vite Frontend
**Current versions:**
- Svelte: **5.53.6** (stable since Oct 2024, runes-based reactivity)
- Vite: **7.3.1** (stable; Vite 8 is in beta)
**Svelte 5 key changes from Svelte 4:**
- Reactive state: `let count = $state(0)` (explicit rune) instead of implicit `let count = 0`
- Derived values: `$derived()` replaces `$:` blocks
- Props: `$props()` replaces `export let`
- Reactivity works in `.svelte.ts` files too (not just components)
### 5. SvelteKit vs. Plain Svelte — Decision Point
The spec says "Svelte with Vite as bundler" for an SPA with a separate REST backend.
**Option A: Plain Svelte + Vite + third-party router**
| Pro | Con |
|-----|-----|
| Simpler mental model | Router ecosystem broken for Svelte 5: `svelte-spa-router` has no Svelte 5 support (issue #318) |
| Literal spec wording | Only unmaintained/low-adoption alternatives exist |
| No unused SSR concepts | Violates dependency statute ("actively maintained") |
**Option B: SvelteKit in SPA mode (adapter-static + `ssr: false`)**
| Pro | Con |
|-----|-----|
| Built-in file-based routing (maintained by Svelte team) | Has SSR concepts that exist but are unused |
| First-class Vitest integration (T-4 requirement) | Slightly larger framework footprint |
| SPA config is 3 lines of code | SEO concerns (irrelevant for this app) |
| Output is static HTML/JS/CSS — no Node.js runtime needed | |
| `npx sv create` scaffolds TS/ESLint/Vitest in one step | |
**SPA configuration (total effort):**
1. `npm i -D @sveltejs/adapter-static`
2. `svelte.config.js`: `adapter: adapter({ fallback: '200.html' })`
3. `src/routes/+layout.js`: `export const ssr = false;`
**Decision needed:** SvelteKit in SPA mode (pragmatic, solves the router problem) vs. plain Svelte + Vite (minimalist, but router ecosystem is a real problem).
### 6. TypeScript vs. JavaScript — Decision Point
**Arguments for TypeScript:**
- Java backend is strongly typed; TS catches API contract drift at compile time.
- Svelte 5 has first-class TS support, including TS in markup.
- The API client layer (T-4) benefits most from type safety.
- Zero-config in both SvelteKit and the `svelte-ts` Vite template.
- Rich Harris: "TypeScript for apps, JSDoc for libraries." This is an app.
**Arguments against:**
- KISS/grugbrain principle — TS adds cognitive overhead.
- Svelte's compiler already catches many errors.
**Verdict from research:** TS overhead in Svelte 5 is minimal (`let count: number = $state(0)` vs. `let count = $state(0)`). The real value is in the API client layer and shared types.
### 7. Node.js Version
| Version | Status | End of Life |
|---------|--------|-------------|
| Node.js 24 | Active LTS | ~April 2028 |
| Node.js 22 | Active LTS | April 2027 |
| Node.js 20 | Maintenance LTS | April 2026 (EOL imminent) |
**Recommendation:** Target Node.js 22 LTS as minimum. Docker image should use `node:22-alpine`.
### 8. Hexagonal Architecture — Package Structure
**Approach:** Single Maven module with package-level separation. Multi-module Maven is overkill for a small app. ArchUnit test enforces dependency rules.
**Package structure:**
```
com.fete
├── FeteApplication.java # @SpringBootApplication
├── domain/
│ ├── model/ # Entities, value objects (plain Java, no framework annotations)
│ └── port/
│ ├── in/ # Driving port interfaces (use cases)
│ └── out/ # Driven port interfaces (repositories)
├── application/
│ └── service/ # Use case implementations (@Service)
├── adapter/
│ ├── in/
│ │ └── web/ # REST controllers, DTOs, mappers
│ └── out/
│ └── persistence/ # JPA entities, Spring Data repos, mappers
└── config/ # @Configuration classes
```
**Dependency flow (strict):**
```
domain → nothing
application → domain only
adapter → application + domain
config → everything (wiring)
```
**Spring annotations by layer:**
| Layer | Annotations | Rationale |
|-------|-------------|-----------|
| `domain.model` | None | Plain Java — no framework coupling |
| `domain.port` | None | Plain Java interfaces |
| `application.service` | `@Service` only | Pragmatic compromise for component scanning |
| `adapter.in.web` | `@RestController`, `@GetMapping`, etc. | Framework adapter layer |
| `adapter.out.persistence` | `@Entity`, `@Repository`, `@Table`, etc. | Framework adapter layer |
| `config` | `@Configuration`, `@Bean` | Wiring layer |
**Domain purity:** Persistence has its own JPA entity classes (e.g., `EventJpaEntity`) separate from domain model classes. Mappers convert between them.
**Empty directory markers:** Use `package-info.java` in each leaf package. Documents package purpose, allows Git to track the directory, and aids component scanning.
**Base package:** `com.fete` (Maven convention, clean, short).
### 9. .gitignore
The existing `.gitignore` covers IDE files (`.idea/`, `.vscode/`, `*.iml`), OS files (`.DS_Store`, `Thumbs.db`), and Claude settings. The following sections need to be added:
**Java/Maven:**
- `*.class`, `*.jar`, `*.war`, `*.ear`, `*.nar` — compiled artifacts
- `target/` — Maven build output
- Maven release plugin files (`pom.xml.tag`, `pom.xml.releaseBackup`, etc.)
- `.mvn/wrapper/maven-wrapper.jar` — downloaded automatically
- Eclipse files (`.classpath`, `.project`, `.settings/`, `.factorypath`)
- Spring Boot (`.springBeans`, `.sts4-cache`)
- Java crash logs (`hs_err_pid*`, `replay_pid*`)
- `*.log`
**Node.js/Svelte/Vite:**
- `node_modules/`
- `dist/`, `build/` — build output
- `.svelte-kit/` — SvelteKit generated files
- `vite.config.js.timestamp-*`, `vite.config.ts.timestamp-*` — Vite temp files
- `.env`, `.env.*` (but NOT `.env.example`)
- `npm-debug.log*`
**Editor files:**
- `*.swp`, `*.swo`, `*~` — Vim/editor backup files
- `\#*\#`, `.#*` — Emacs
**Committed (NOT ignored):**
- `mvnw`, `mvnw.cmd`, `.mvn/wrapper/maven-wrapper.properties`
- `package-lock.json`
### 10. Existing Repository State
The repository currently contains:
- `CLAUDE.md` — Project statutes
- `README.md` — With tech stack docs and docker-compose example
- `LICENSE` — GPL
- `.gitignore` — Partial (IDE + OS only)
- `Ideen.md` — German idea document
- `spec/` — User stories, personas, setup tasks, implementation phases
- `.ralph/` — Ralph loop infrastructure
- `ralph.sh` — Ralph loop runner
- `review-findings.md` — Review notes
No `backend/` or `frontend/` directories exist yet. No `Dockerfile` exists yet (listed in README project structure, but deferred to T-2).
## Decisions Required Before Implementation
These are architectural decisions that require approval per CLAUDE.md governance statutes:
| # | Decision | Options | Recommendation |
|---|----------|---------|----------------|
| 1 | Spring Boot version | 4.0.3 (latest, longer support) vs. 3.5.11 (battle-tested, shorter support) | 4.0.3 — greenfield project, no migration burden, longer support |
| 2 | SvelteKit vs. plain Svelte | SvelteKit SPA mode vs. plain Svelte + third-party router | SvelteKit SPA mode — router ecosystem for plain Svelte 5 is broken |
| 3 | TypeScript vs. JavaScript | TypeScript (type safety on API boundary) vs. JavaScript (simpler) | TypeScript — minimal overhead in Svelte 5, catches API contract drift |
| 4 | Spring Boot JPA in T-1? | Include `spring-boot-starter-data-jpa` now (exclude autoconfig) vs. add it in T-4 | Defer to T-4 — T-1 is "empty scaffold", JPA needs a datasource |
## Code References
- `spec/setup-tasks.md` — T-1 acceptance criteria
- `spec/implementation-phases.md:9-14` — Phase 0 task order
- `CLAUDE.md:36-43` — Dependency statutes
- `Ideen.md:76-78` — Tech stack decisions (already made)
- `.gitignore` — Current state (needs extension)
- `README.md:112-119` — Documented project structure (target)
## Architecture Documentation
### Target Repository Layout (after T-1)
```
fete/
├── backend/
│ ├── pom.xml
│ ├── mvnw
│ ├── mvnw.cmd
│ ├── .mvn/wrapper/maven-wrapper.properties
│ └── src/
│ ├── main/
│ │ ├── java/com/fete/
│ │ │ ├── FeteApplication.java
│ │ │ ├── domain/model/ (package-info.java)
│ │ │ ├── domain/port/in/ (package-info.java)
│ │ │ ├── domain/port/out/ (package-info.java)
│ │ │ ├── application/service/ (package-info.java)
│ │ │ ├── adapter/in/web/ (package-info.java)
│ │ │ ├── adapter/out/persistence/(package-info.java)
│ │ │ └── config/ (package-info.java)
│ │ └── resources/
│ │ └── application.properties
│ └── test/java/com/fete/
│ └── FeteApplicationTest.java
├── frontend/
│ ├── package.json
│ ├── package-lock.json
│ ├── svelte.config.js
│ ├── vite.config.ts
│ ├── tsconfig.json
│ ├── src/
│ │ ├── app.html
│ │ ├── routes/
│ │ │ ├── +layout.js (ssr = false)
│ │ │ └── +page.svelte
│ │ └── lib/
│ └── static/
├── spec/
├── .gitignore (extended)
├── CLAUDE.md
├── README.md
├── LICENSE
└── Ideen.md
```
### Build Commands (Target State)
| What | Command |
|------|---------|
| Backend build | `cd backend && ./mvnw package` |
| Backend test | `cd backend && ./mvnw test` |
| Frontend install | `cd frontend && npm install` |
| Frontend build | `cd frontend && npm run build` |
| Frontend test | `cd frontend && npm test` |
| Frontend dev | `cd frontend && npm run dev` |
## Open Questions
All resolved — see Follow-up Research below.
## Follow-up Research: Frontend Pivot to Vue 3 (2026-03-04)
### Context
During decision review, the developer raised concerns about the Svelte 5 ecosystem maturity (specifically the broken third-party router situation signaling a smaller, less mature ecosystem). After comparing Svelte 5 vs Vue 3 on ecosystem size, community support, team size, and stability, the decision was made to pivot from Svelte to **Vue 3**.
### Rationale
- Vue 3 has a significantly larger ecosystem and community
- Official, battle-tested packages for all needs (Vue Router, Pinia, Vitest)
- Vite was created by Evan You (Vue's creator) — first-class integration
- Vue 3 Composition API is modern and elegant while being mature (stable since 2020)
- Larger team, broader funding, more StackOverflow answers and tutorials
### Vue 3 Stack — Research Findings
**Current versions (March 2026):**
| Package | Version | Notes |
|---------|---------|-------|
| Vue | 3.5.29 | Stable. Vue 3.6 (Vapor Mode) is in beta |
| Vue Router | 5.0.3 | Includes file-based routing from unplugin-vue-router. Drop-in from v4 for manual routes |
| Vite | 7.3.1 | Stable. Vite 8 (Rolldown) is in beta |
| Vitest | 4.0.18 | Stable. Browser Mode graduated from experimental |
| @vue/test-utils | 2.4.6 | Official component testing utilities |
| create-vue | 3.22.0 | Official scaffolding tool |
| Node.js | 24 LTS | Latest LTS, support through ~April 2028 |
**Scaffolding:** `npm create vue@latest` (official Vue CLI scaffolding). Interactive prompts offer TypeScript, Vue Router, Pinia, Vitest, ESLint, Prettier out of the box.
**Selected options for fete:**
- TypeScript: **Yes**
- Vue Router: **Yes**
- Pinia: **No** — Composition API (`ref`/`reactive`) + localStorage is sufficient for this app's simple state
- Vitest: **Yes**
- ESLint: **Yes**
- Prettier: **Yes**
- E2E testing: **No** (not needed for T-1)
**Project structure (scaffolded by create-vue):**
```
frontend/
├── public/
│ └── favicon.ico
├── src/
│ ├── assets/ # Static assets (CSS, images)
│ ├── components/ # Reusable components
│ ├── composables/ # Composition API composables (added manually)
│ ├── router/ # Vue Router config (index.ts)
│ ├── views/ # Route-level page components
│ ├── App.vue # Root component
│ └── main.ts # Entry point
├── index.html
├── package.json
├── tsconfig.json
├── tsconfig.app.json
├── tsconfig.node.json
├── vite.config.ts
├── eslint.config.js
├── .prettierrc.json
├── env.d.ts
└── README.md
```
**Key conventions:**
- `src/views/` for route page components (not `src/pages/` — that's Nuxt)
- `src/components/` for reusable components
- `src/composables/` for Composition API composables (e.g., `useStorage.ts`)
- `src/router/index.ts` for route definitions
### Resolved Decisions
| # | Decision | Resolution |
|---|----------|------------|
| 1 | Spring Boot version | ~~**4.0.3**~~**3.5.11** — see addendum below |
| 2 | Frontend framework | **Vue 3** — pivot from Svelte due to ecosystem maturity concerns |
| 3 | TypeScript | **Yes** — confirmed by developer |
| 4 | Node.js version | **24 LTS** (latest LTS) |
| 5 | Base package | **`de.fete`** (not `com.fete`) |
| 6 | JPA in T-1 | **Defer to T-4** — T-1 is empty scaffold, JPA needs a datasource |
| 7 | State management | **No Pinia** — Composition API + localStorage sufficient |
### Addendum: Spring Boot 4.0 → 3.5 Pivot (2026-03-04)
During T-1 implementation, Spring Boot 4.0.3 proved unworkable for the scaffold phase. The 4.0 release massively reorganized internal packages — test infrastructure classes (`TestRestTemplate`, `AutoConfigureMockMvc`, etc.) were moved into new modules with different package paths. The Spring Boot 4.0 Migration Guide did not cover these changes adequately, and resolving the issues required extensive trial-and-error with undocumented class locations and missing transitive dependencies.
**Decision:** Pivot to **Spring Boot 3.5.11** (latest 3.5.x patch). This is the battle-tested line with OSS support through June 2026. Since this is a greenfield project, migrating to 4.x later (once the ecosystem and documentation have matured) is straightforward.
**Impact:** None on architecture or feature scope. The hexagonal package structure, dependency choices, and all other decisions remain unchanged. Only the Spring Boot parent version in `pom.xml` changed.
### Updated Target Repository Layout
```
fete/
├── backend/
│ ├── pom.xml
│ ├── mvnw
│ ├── mvnw.cmd
│ ├── .mvn/wrapper/maven-wrapper.properties
│ └── src/
│ ├── main/
│ │ ├── java/de/fete/
│ │ │ ├── FeteApplication.java
│ │ │ ├── domain/model/ (package-info.java)
│ │ │ ├── domain/port/in/ (package-info.java)
│ │ │ ├── domain/port/out/ (package-info.java)
│ │ │ ├── application/service/ (package-info.java)
│ │ │ ├── adapter/in/web/ (package-info.java)
│ │ │ ├── adapter/out/persistence/(package-info.java)
│ │ │ └── config/ (package-info.java)
│ │ └── resources/
│ │ └── application.properties
│ └── test/java/de/fete/
│ └── FeteApplicationTest.java
├── frontend/
│ ├── public/
│ ├── src/
│ │ ├── assets/
│ │ ├── components/
│ │ ├── composables/
│ │ ├── router/index.ts
│ │ ├── views/
│ │ ├── App.vue
│ │ └── main.ts
│ ├── index.html
│ ├── package.json
│ ├── package-lock.json
│ ├── tsconfig.json
│ ├── vite.config.ts
│ └── eslint.config.js
├── spec/
├── .gitignore (extended)
├── CLAUDE.md
├── README.md
├── LICENSE
└── Ideen.md
```

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[*.{js,jsx,mjs,cjs,ts,tsx,mts,cts,vue,css,scss,sass,less,styl}]
charset = utf-8
indent_size = 2
indent_style = space
insert_final_newline = true
trim_trailing_whitespace = true
end_of_line = lf
max_line_length = 100

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* text=auto eol=lf

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
.DS_Store
dist
dist-ssr
coverage
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
*.tsbuildinfo
.eslintcache
# Cypress
/cypress/videos/
/cypress/screenshots/
# Vitest
__screenshots__/
# Vite
*.timestamp-*-*.mjs

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{
"$schema": "./node_modules/oxlint/configuration_schema.json",
"plugins": ["eslint", "typescript", "unicorn", "oxc", "vue", "vitest"],
"env": {
"browser": true
},
"categories": {
"correctness": "error"
}
}

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{
"$schema": "https://json.schemastore.org/prettierrc",
"semi": false,
"singleQuote": true,
"printWidth": 100
}

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# frontend
This template should help get you started developing with Vue 3 in Vite.
## Recommended IDE Setup
[VS Code](https://code.visualstudio.com/) + [Vue (Official)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur).
## Recommended Browser Setup
- Chromium-based browsers (Chrome, Edge, Brave, etc.):
- [Vue.js devtools](https://chromewebstore.google.com/detail/vuejs-devtools/nhdogjmejiglipccpnnnanhbledajbpd)
- [Turn on Custom Object Formatter in Chrome DevTools](http://bit.ly/object-formatters)
- Firefox:
- [Vue.js devtools](https://addons.mozilla.org/en-US/firefox/addon/vue-js-devtools/)
- [Turn on Custom Object Formatter in Firefox DevTools](https://fxdx.dev/firefox-devtools-custom-object-formatters/)
## Type Support for `.vue` Imports in TS
TypeScript cannot handle type information for `.vue` imports by default, so we replace the `tsc` CLI with `vue-tsc` for type checking. In editors, we need [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) to make the TypeScript language service aware of `.vue` types.
## Customize configuration
See [Vite Configuration Reference](https://vite.dev/config/).
## Project Setup
```sh
npm install
```
### Compile and Hot-Reload for Development
```sh
npm run dev
```
### Type-Check, Compile and Minify for Production
```sh
npm run build
```
### Run Unit Tests with [Vitest](https://vitest.dev/)
```sh
npm run test:unit
```
### Lint with [ESLint](https://eslint.org/)
```sh
npm run lint
```

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/// <reference types="vite/client" />

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import { globalIgnores } from 'eslint/config'
import { defineConfigWithVueTs, vueTsConfigs } from '@vue/eslint-config-typescript'
import pluginVue from 'eslint-plugin-vue'
import pluginVitest from '@vitest/eslint-plugin'
import pluginOxlint from 'eslint-plugin-oxlint'
import skipFormatting from 'eslint-config-prettier/flat'
// To allow more languages other than `ts` in `.vue` files, uncomment the following lines:
// import { configureVueProject } from '@vue/eslint-config-typescript'
// configureVueProject({ scriptLangs: ['ts', 'tsx'] })
// More info at https://github.com/vuejs/eslint-config-typescript/#advanced-setup
export default defineConfigWithVueTs(
{
name: 'app/files-to-lint',
files: ['**/*.{vue,ts,mts,tsx}'],
},
globalIgnores(['**/dist/**', '**/dist-ssr/**', '**/coverage/**']),
...pluginVue.configs['flat/essential'],
vueTsConfigs.recommended,
{
...pluginVitest.configs.recommended,
files: ['src/**/__tests__/*'],
},
...pluginOxlint.buildFromOxlintConfigFile('.oxlintrc.json'),
skipFormatting,
)

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<!DOCTYPE html>
<html lang="">
<head>
<meta charset="UTF-8">
<link rel="icon" href="/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vite App</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>

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{
"name": "frontend",
"version": "0.0.0",
"private": true,
"type": "module",
"scripts": {
"dev": "vite",
"build": "run-p type-check \"build-only {@}\" --",
"preview": "vite preview",
"test:unit": "vitest",
"build-only": "vite build",
"type-check": "vue-tsc --build",
"lint": "run-s lint:*",
"lint:oxlint": "oxlint . --fix",
"lint:eslint": "eslint . --fix --cache",
"format": "prettier --write --experimental-cli src/"
},
"dependencies": {
"vue": "^3.5.29",
"vue-router": "^5.0.3"
},
"devDependencies": {
"@tsconfig/node24": "^24.0.4",
"@types/jsdom": "^28.0.0",
"@types/node": "^24.11.0",
"@vitejs/plugin-vue": "^6.0.4",
"@vitest/eslint-plugin": "^1.6.9",
"@vue/eslint-config-typescript": "^14.7.0",
"@vue/test-utils": "^2.4.6",
"@vue/tsconfig": "^0.8.1",
"eslint": "^10.0.2",
"eslint-config-prettier": "^10.1.8",
"eslint-plugin-oxlint": "~1.50.0",
"eslint-plugin-vue": "~10.8.0",
"jiti": "^2.6.1",
"jsdom": "^28.1.0",
"npm-run-all2": "^8.0.4",
"oxlint": "~1.50.0",
"prettier": "3.8.1",
"typescript": "~5.9.3",
"vite": "^7.3.1",
"vite-plugin-vue-devtools": "^8.0.6",
"vitest": "^4.0.18",
"vue-tsc": "^3.2.5"
},
"engines": {
"node": "^20.19.0 || >=22.12.0"
}
}

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<script setup lang="ts">
import { RouterLink, RouterView } from 'vue-router'
import HelloWorld from './components/HelloWorld.vue'
</script>
<template>
<header>
<img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />
<div class="wrapper">
<HelloWorld msg="You did it!" />
<nav>
<RouterLink to="/">Home</RouterLink>
<RouterLink to="/about">About</RouterLink>
</nav>
</div>
</header>
<RouterView />
</template>
<style scoped>
header {
line-height: 1.5;
max-height: 100vh;
}
.logo {
display: block;
margin: 0 auto 2rem;
}
nav {
width: 100%;
font-size: 12px;
text-align: center;
margin-top: 2rem;
}
nav a.router-link-exact-active {
color: var(--color-text);
}
nav a.router-link-exact-active:hover {
background-color: transparent;
}
nav a {
display: inline-block;
padding: 0 1rem;
border-left: 1px solid var(--color-border);
}
nav a:first-of-type {
border: 0;
}
@media (min-width: 1024px) {
header {
display: flex;
place-items: center;
padding-right: calc(var(--section-gap) / 2);
}
.logo {
margin: 0 2rem 0 0;
}
header .wrapper {
display: flex;
place-items: flex-start;
flex-wrap: wrap;
}
nav {
text-align: left;
margin-left: -1rem;
font-size: 1rem;
padding: 1rem 0;
margin-top: 1rem;
}
}
</style>

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/* color palette from <https://github.com/vuejs/theme> */
:root {
--vt-c-white: #ffffff;
--vt-c-white-soft: #f8f8f8;
--vt-c-white-mute: #f2f2f2;
--vt-c-black: #181818;
--vt-c-black-soft: #222222;
--vt-c-black-mute: #282828;
--vt-c-indigo: #2c3e50;
--vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
--vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
--vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
--vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);
--vt-c-text-light-1: var(--vt-c-indigo);
--vt-c-text-light-2: rgba(60, 60, 60, 0.66);
--vt-c-text-dark-1: var(--vt-c-white);
--vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}
/* semantic color variables for this project */
:root {
--color-background: var(--vt-c-white);
--color-background-soft: var(--vt-c-white-soft);
--color-background-mute: var(--vt-c-white-mute);
--color-border: var(--vt-c-divider-light-2);
--color-border-hover: var(--vt-c-divider-light-1);
--color-heading: var(--vt-c-text-light-1);
--color-text: var(--vt-c-text-light-1);
--section-gap: 160px;
}
@media (prefers-color-scheme: dark) {
:root {
--color-background: var(--vt-c-black);
--color-background-soft: var(--vt-c-black-soft);
--color-background-mute: var(--vt-c-black-mute);
--color-border: var(--vt-c-divider-dark-2);
--color-border-hover: var(--vt-c-divider-dark-1);
--color-heading: var(--vt-c-text-dark-1);
--color-text: var(--vt-c-text-dark-2);
}
}
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
font-weight: normal;
}
body {
min-height: 100vh;
color: var(--color-text);
background: var(--color-background);
transition:
color 0.5s,
background-color 0.5s;
line-height: 1.6;
font-family:
Inter,
-apple-system,
BlinkMacSystemFont,
'Segoe UI',
Roboto,
Oxygen,
Ubuntu,
Cantarell,
'Fira Sans',
'Droid Sans',
'Helvetica Neue',
sans-serif;
font-size: 15px;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 261.76 226.69"><path d="M161.096.001l-30.225 52.351L100.647.001H-.005l130.877 226.688L261.749.001z" fill="#41b883"/><path d="M161.096.001l-30.225 52.351L100.647.001H52.346l78.526 136.01L209.398.001z" fill="#34495e"/></svg>

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@import './base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
a,
.green {
text-decoration: none;
color: hsla(160, 100%, 37%, 1);
transition: 0.4s;
padding: 3px;
}
@media (hover: hover) {
a:hover {
background-color: hsla(160, 100%, 37%, 0.2);
}
}
@media (min-width: 1024px) {
body {
display: flex;
place-items: center;
}
#app {
display: grid;
grid-template-columns: 1fr 1fr;
padding: 0 2rem;
}
}

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<script setup lang="ts">
defineProps<{
msg: string
}>()
</script>
<template>
<div class="greetings">
<h1 class="green">{{ msg }}</h1>
<h3>
Youve successfully created a project with
<a href="https://vite.dev/" target="_blank" rel="noopener">Vite</a> +
<a href="https://vuejs.org/" target="_blank" rel="noopener">Vue 3</a>. What's next?
</h3>
</div>
</template>
<style scoped>
h1 {
font-weight: 500;
font-size: 2.6rem;
position: relative;
top: -10px;
}
h3 {
font-size: 1.2rem;
}
.greetings h1,
.greetings h3 {
text-align: center;
}
@media (min-width: 1024px) {
.greetings h1,
.greetings h3 {
text-align: left;
}
}
</style>

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<script setup lang="ts">
import WelcomeItem from './WelcomeItem.vue'
import DocumentationIcon from './icons/IconDocumentation.vue'
import ToolingIcon from './icons/IconTooling.vue'
import EcosystemIcon from './icons/IconEcosystem.vue'
import CommunityIcon from './icons/IconCommunity.vue'
import SupportIcon from './icons/IconSupport.vue'
const openReadmeInEditor = () => fetch('/__open-in-editor?file=README.md')
</script>
<template>
<WelcomeItem>
<template #icon>
<DocumentationIcon />
</template>
<template #heading>Documentation</template>
Vues
<a href="https://vuejs.org/" target="_blank" rel="noopener">official documentation</a>
provides you with all information you need to get started.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<ToolingIcon />
</template>
<template #heading>Tooling</template>
This project is served and bundled with
<a href="https://vite.dev/guide/features.html" target="_blank" rel="noopener">Vite</a>. The
recommended IDE setup is
<a href="https://code.visualstudio.com/" target="_blank" rel="noopener">VSCode</a>
+
<a href="https://github.com/vuejs/language-tools" target="_blank" rel="noopener"
>Vue - Official</a
>. If you need to test your components and web pages, check out
<a href="https://vitest.dev/" target="_blank" rel="noopener">Vitest</a>
and
<a href="https://www.cypress.io/" target="_blank" rel="noopener">Cypress</a>
/
<a href="https://playwright.dev/" target="_blank" rel="noopener">Playwright</a>.
<br />
More instructions are available in
<a href="javascript:void(0)" @click="openReadmeInEditor"><code>README.md</code></a
>.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<EcosystemIcon />
</template>
<template #heading>Ecosystem</template>
Get official tools and libraries for your project:
<a href="https://pinia.vuejs.org/" target="_blank" rel="noopener">Pinia</a>,
<a href="https://router.vuejs.org/" target="_blank" rel="noopener">Vue Router</a>,
<a href="https://test-utils.vuejs.org/" target="_blank" rel="noopener">Vue Test Utils</a>, and
<a href="https://github.com/vuejs/devtools" target="_blank" rel="noopener">Vue Dev Tools</a>. If
you need more resources, we suggest paying
<a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">Awesome Vue</a>
a visit.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<CommunityIcon />
</template>
<template #heading>Community</template>
Got stuck? Ask your question on
<a href="https://chat.vuejs.org" target="_blank" rel="noopener">Vue Land</a>
(our official Discord server), or
<a href="https://stackoverflow.com/questions/tagged/vue.js" target="_blank" rel="noopener"
>StackOverflow</a
>. You should also follow the official
<a href="https://bsky.app/profile/vuejs.org" target="_blank" rel="noopener">@vuejs.org</a>
Bluesky account or the
<a href="https://x.com/vuejs" target="_blank" rel="noopener">@vuejs</a>
X account for latest news in the Vue world.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<SupportIcon />
</template>
<template #heading>Support Vue</template>
As an independent project, Vue relies on community backing for its sustainability. You can help
us by
<a href="https://vuejs.org/sponsor/" target="_blank" rel="noopener">becoming a sponsor</a>.
</WelcomeItem>
</template>

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@@ -0,0 +1,87 @@
<template>
<div class="item">
<i>
<slot name="icon"></slot>
</i>
<div class="details">
<h3>
<slot name="heading"></slot>
</h3>
<slot></slot>
</div>
</div>
</template>
<style scoped>
.item {
margin-top: 2rem;
display: flex;
position: relative;
}
.details {
flex: 1;
margin-left: 1rem;
}
i {
display: flex;
place-items: center;
place-content: center;
width: 32px;
height: 32px;
color: var(--color-text);
}
h3 {
font-size: 1.2rem;
font-weight: 500;
margin-bottom: 0.4rem;
color: var(--color-heading);
}
@media (min-width: 1024px) {
.item {
margin-top: 0;
padding: 0.4rem 0 1rem calc(var(--section-gap) / 2);
}
i {
top: calc(50% - 25px);
left: -26px;
position: absolute;
border: 1px solid var(--color-border);
background: var(--color-background);
border-radius: 8px;
width: 50px;
height: 50px;
}
.item:before {
content: ' ';
border-left: 1px solid var(--color-border);
position: absolute;
left: 0;
bottom: calc(50% + 25px);
height: calc(50% - 25px);
}
.item:after {
content: ' ';
border-left: 1px solid var(--color-border);
position: absolute;
left: 0;
top: calc(50% + 25px);
height: calc(50% - 25px);
}
.item:first-of-type:before {
display: none;
}
.item:last-of-type:after {
display: none;
}
}
</style>

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@@ -0,0 +1,11 @@
import { describe, it, expect } from 'vitest'
import { mount } from '@vue/test-utils'
import HelloWorld from '../HelloWorld.vue'
describe('HelloWorld', () => {
it('renders properly', () => {
const wrapper = mount(HelloWorld, { props: { msg: 'Hello Vitest' } })
expect(wrapper.text()).toContain('Hello Vitest')
})
})

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@@ -0,0 +1,7 @@
<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
<path
d="M15 4a1 1 0 1 0 0 2V4zm0 11v-1a1 1 0 0 0-1 1h1zm0 4l-.707.707A1 1 0 0 0 16 19h-1zm-4-4l.707-.707A1 1 0 0 0 11 14v1zm-4.707-1.293a1 1 0 0 0-1.414 1.414l1.414-1.414zm-.707.707l-.707-.707.707.707zM9 11v-1a1 1 0 0 0-.707.293L9 11zm-4 0h1a1 1 0 0 0-1-1v1zm0 4H4a1 1 0 0 0 1.707.707L5 15zm10-9h2V4h-2v2zm2 0a1 1 0 0 1 1 1h2a3 3 0 0 0-3-3v2zm1 1v6h2V7h-2zm0 6a1 1 0 0 1-1 1v2a3 3 0 0 0 3-3h-2zm-1 1h-2v2h2v-2zm-3 1v4h2v-4h-2zm1.707 3.293l-4-4-1.414 1.414 4 4 1.414-1.414zM11 14H7v2h4v-2zm-4 0c-.276 0-.525-.111-.707-.293l-1.414 1.414C5.42 15.663 6.172 16 7 16v-2zm-.707 1.121l3.414-3.414-1.414-1.414-3.414 3.414 1.414 1.414zM9 12h4v-2H9v2zm4 0a3 3 0 0 0 3-3h-2a1 1 0 0 1-1 1v2zm3-3V3h-2v6h2zm0-6a3 3 0 0 0-3-3v2a1 1 0 0 1 1 1h2zm-3-3H3v2h10V0zM3 0a3 3 0 0 0-3 3h2a1 1 0 0 1 1-1V0zM0 3v6h2V3H0zm0 6a3 3 0 0 0 3 3v-2a1 1 0 0 1-1-1H0zm3 3h2v-2H3v2zm1-1v4h2v-4H4zm1.707 4.707l.586-.586-1.414-1.414-.586.586 1.414 1.414z"
/>
</svg>
</template>

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@@ -0,0 +1,7 @@
<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="17" fill="currentColor">
<path
d="M11 2.253a1 1 0 1 0-2 0h2zm-2 13a1 1 0 1 0 2 0H9zm.447-12.167a1 1 0 1 0 1.107-1.666L9.447 3.086zM1 2.253L.447 1.42A1 1 0 0 0 0 2.253h1zm0 13H0a1 1 0 0 0 1.553.833L1 15.253zm8.447.833a1 1 0 1 0 1.107-1.666l-1.107 1.666zm0-14.666a1 1 0 1 0 1.107 1.666L9.447 1.42zM19 2.253h1a1 1 0 0 0-.447-.833L19 2.253zm0 13l-.553.833A1 1 0 0 0 20 15.253h-1zm-9.553-.833a1 1 0 1 0 1.107 1.666L9.447 14.42zM9 2.253v13h2v-13H9zm1.553-.833C9.203.523 7.42 0 5.5 0v2c1.572 0 2.961.431 3.947 1.086l1.107-1.666zM5.5 0C3.58 0 1.797.523.447 1.42l1.107 1.666C2.539 2.431 3.928 2 5.5 2V0zM0 2.253v13h2v-13H0zm1.553 13.833C2.539 15.431 3.928 15 5.5 15v-2c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM5.5 15c1.572 0 2.961.431 3.947 1.086l1.107-1.666C9.203 13.523 7.42 13 5.5 13v2zm5.053-11.914C11.539 2.431 12.928 2 14.5 2V0c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM14.5 2c1.573 0 2.961.431 3.947 1.086l1.107-1.666C18.203.523 16.421 0 14.5 0v2zm3.5.253v13h2v-13h-2zm1.553 12.167C18.203 13.523 16.421 13 14.5 13v2c1.573 0 2.961.431 3.947 1.086l1.107-1.666zM14.5 13c-1.92 0-3.703.523-5.053 1.42l1.107 1.666C11.539 15.431 12.928 15 14.5 15v-2z"
/>
</svg>
</template>

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<template>
<svg xmlns="http://www.w3.org/2000/svg" width="18" height="20" fill="currentColor">
<path
d="M11.447 8.894a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm0 1.789a1 1 0 1 0 .894-1.789l-.894 1.789zM7.447 7.106a1 1 0 1 0-.894 1.789l.894-1.789zM10 9a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0H8zm9.447-5.606a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm2 .789a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zM18 5a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0h-2zm-5.447-4.606a1 1 0 1 0 .894-1.789l-.894 1.789zM9 1l.447-.894a1 1 0 0 0-.894 0L9 1zm-2.447.106a1 1 0 1 0 .894 1.789l-.894-1.789zm-6 3a1 1 0 1 0 .894 1.789L.553 4.106zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zm-2-.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 2.789a1 1 0 1 0 .894-1.789l-.894 1.789zM2 5a1 1 0 1 0-2 0h2zM0 7.5a1 1 0 1 0 2 0H0zm8.553 12.394a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 1a1 1 0 1 0 .894 1.789l-.894-1.789zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zM8 19a1 1 0 1 0 2 0H8zm2-2.5a1 1 0 1 0-2 0h2zm-7.447.394a1 1 0 1 0 .894-1.789l-.894 1.789zM1 15H0a1 1 0 0 0 .553.894L1 15zm1-2.5a1 1 0 1 0-2 0h2zm12.553 2.606a1 1 0 1 0 .894 1.789l-.894-1.789zM17 15l.447.894A1 1 0 0 0 18 15h-1zm1-2.5a1 1 0 1 0-2 0h2zm-7.447-5.394l-2 1 .894 1.789 2-1-.894-1.789zm-1.106 1l-2-1-.894 1.789 2 1 .894-1.789zM8 9v2.5h2V9H8zm8.553-4.894l-2 1 .894 1.789 2-1-.894-1.789zm.894 0l-2-1-.894 1.789 2 1 .894-1.789zM16 5v2.5h2V5h-2zm-4.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zm-2.894-1l-2 1 .894 1.789 2-1L8.553.106zM1.447 5.894l2-1-.894-1.789-2 1 .894 1.789zm-.894 0l2 1 .894-1.789-2-1-.894 1.789zM0 5v2.5h2V5H0zm9.447 13.106l-2-1-.894 1.789 2 1 .894-1.789zm0 1.789l2-1-.894-1.789-2 1 .894 1.789zM10 19v-2.5H8V19h2zm-6.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zM2 15v-2.5H0V15h2zm13.447 1.894l2-1-.894-1.789-2 1 .894 1.789zM18 15v-2.5h-2V15h2z"
/>
</svg>
</template>

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@@ -0,0 +1,7 @@
<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
<path
d="M10 3.22l-.61-.6a5.5 5.5 0 0 0-7.666.105 5.5 5.5 0 0 0-.114 7.665L10 18.78l8.39-8.4a5.5 5.5 0 0 0-.114-7.665 5.5 5.5 0 0 0-7.666-.105l-.61.61z"
/>
</svg>
</template>

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@@ -0,0 +1,19 @@
<!-- This icon is from <https://github.com/Templarian/MaterialDesign>, distributed under Apache 2.0 (https://www.apache.org/licenses/LICENSE-2.0) license-->
<template>
<svg
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
aria-hidden="true"
role="img"
class="iconify iconify--mdi"
width="24"
height="24"
preserveAspectRatio="xMidYMid meet"
viewBox="0 0 24 24"
>
<path
d="M20 18v-4h-3v1h-2v-1H9v1H7v-1H4v4h16M6.33 8l-1.74 4H7v-1h2v1h6v-1h2v1h2.41l-1.74-4H6.33M9 5v1h6V5H9m12.84 7.61c.1.22.16.48.16.8V18c0 .53-.21 1-.6 1.41c-.4.4-.85.59-1.4.59H4c-.55 0-1-.19-1.4-.59C2.21 19 2 18.53 2 18v-4.59c0-.32.06-.58.16-.8L4.5 7.22C4.84 6.41 5.45 6 6.33 6H7V5c0-.55.18-1 .57-1.41C7.96 3.2 8.44 3 9 3h6c.56 0 1.04.2 1.43.59c.39.41.57.86.57 1.41v1h.67c.88 0 1.49.41 1.83 1.22l2.34 5.39z"
fill="currentColor"
></path>
</svg>
</template>

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11
frontend/src/main.ts Normal file
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@@ -0,0 +1,11 @@
import './assets/main.css'
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
const app = createApp(App)
app.use(router)
app.mount('#app')

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@@ -0,0 +1,23 @@
import { createRouter, createWebHistory } from 'vue-router'
import HomeView from '../views/HomeView.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'home',
component: HomeView,
},
{
path: '/about',
name: 'about',
// route level code-splitting
// this generates a separate chunk (About.[hash].js) for this route
// which is lazy-loaded when the route is visited.
component: () => import('../views/AboutView.vue'),
},
],
})
export default router

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@@ -0,0 +1,15 @@
<template>
<div class="about">
<h1>This is an about page</h1>
</div>
</template>
<style>
@media (min-width: 1024px) {
.about {
min-height: 100vh;
display: flex;
align-items: center;
}
}
</style>

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@@ -0,0 +1,9 @@
<script setup lang="ts">
import TheWelcome from '../components/TheWelcome.vue'
</script>
<template>
<main>
<TheWelcome />
</main>
</template>

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@@ -0,0 +1,18 @@
{
"extends": "@vue/tsconfig/tsconfig.dom.json",
"include": ["env.d.ts", "src/**/*", "src/**/*.vue"],
"exclude": ["src/**/__tests__/*"],
"compilerOptions": {
// Extra safety for array and object lookups, but may have false positives.
"noUncheckedIndexedAccess": true,
// Path mapping for cleaner imports.
"paths": {
"@/*": ["./src/*"]
},
// `vue-tsc --build` produces a .tsbuildinfo file for incremental type-checking.
// Specified here to keep it out of the root directory.
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo"
}
}

14
frontend/tsconfig.json Normal file
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@@ -0,0 +1,14 @@
{
"files": [],
"references": [
{
"path": "./tsconfig.node.json"
},
{
"path": "./tsconfig.app.json"
},
{
"path": "./tsconfig.vitest.json"
}
]
}

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@@ -0,0 +1,28 @@
// TSConfig for modules that run in Node.js environment via either transpilation or type-stripping.
{
"extends": "@tsconfig/node24/tsconfig.json",
"include": [
"vite.config.*",
"vitest.config.*",
"cypress.config.*",
"nightwatch.conf.*",
"playwright.config.*",
"eslint.config.*"
],
"compilerOptions": {
// Most tools use transpilation instead of Node.js's native type-stripping.
// Bundler mode provides a smoother developer experience.
"module": "preserve",
"moduleResolution": "bundler",
// Include Node.js types and avoid accidentally including other `@types/*` packages.
"types": ["node"],
// Disable emitting output during `vue-tsc --build`, which is used for type-checking only.
"noEmit": true,
// `vue-tsc --build` produces a .tsbuildinfo file for incremental type-checking.
// Specified here to keep it out of the root directory.
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo"
}
}

View File

@@ -0,0 +1,19 @@
{
"extends": "./tsconfig.app.json",
// Override to include only test files and clear exclusions.
// Application code imported in tests is automatically included via module resolution.
"include": ["src/**/__tests__/*", "env.d.ts"],
"exclude": [],
"compilerOptions": {
// Vitest runs in a different environment than the application code.
// Adjust lib and types accordingly.
"lib": [],
"types": ["node", "jsdom"],
// `vue-tsc --build` produces a .tsbuildinfo file for incremental type-checking.
// Specified here to keep it out of the root directory.
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.vitest.tsbuildinfo"
}
}

18
frontend/vite.config.ts Normal file
View File

@@ -0,0 +1,18 @@
import { fileURLToPath, URL } from 'node:url'
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'
// https://vite.dev/config/
export default defineConfig({
plugins: [
vue(),
vueDevTools(),
],
resolve: {
alias: {
'@': fileURLToPath(new URL('./src', import.meta.url))
},
},
})

14
frontend/vitest.config.ts Normal file
View File

@@ -0,0 +1,14 @@
import { fileURLToPath } from 'node:url'
import { mergeConfig, defineConfig, configDefaults } from 'vitest/config'
import viteConfig from './vite.config'
export default mergeConfig(
viteConfig,
defineConfig({
test: {
environment: 'jsdom',
exclude: [...configDefaults.exclude, 'e2e/**'],
root: fileURLToPath(new URL('./', import.meta.url)),
},
}),
)

View File

@@ -12,10 +12,10 @@
**Acceptance Criteria:** **Acceptance Criteria:**
- [ ] Single repository with `backend/` and `frontend/` directories - [ ] Single repository with `backend/` and `frontend/` directories
- [ ] Backend: Java (latest LTS), Spring Boot, Maven, hexagonal/onion architecture scaffold - [ ] Backend: Java (latest LTS), Spring Boot, Maven, hexagonal/onion architecture scaffold
- [ ] Frontend: Svelte with Vite as bundler - [ ] Frontend: Vue 3 with Vite as bundler, TypeScript, Vue Router
- [ ] Shared top-level files: README, Dockerfile, CLAUDE.md, LICENSE (GPL), .gitignore - [ ] Shared top-level files: README, Dockerfile, CLAUDE.md, LICENSE (GPL), .gitignore
- [ ] Both projects build successfully with no source code (empty scaffold) - [ ] Both projects build successfully with no source code (empty scaffold)
- [ ] .gitignore covers build artifacts, IDE files, and dependency directories for both Java/Maven and Node/Svelte - [ ] .gitignore covers build artifacts, IDE files, and dependency directories for both Java/Maven and Node/Vue
**Dependencies:** None **Dependencies:** None
@@ -44,7 +44,7 @@
**Acceptance Criteria:** **Acceptance Criteria:**
- [ ] Gitea Actions workflow file in `.gitea/workflows/` runs on push: test, build, publish Docker image - [ ] Gitea Actions workflow file in `.gitea/workflows/` runs on push: test, build, publish Docker image
- [ ] Backend tests run via Maven - [ ] Backend tests run via Maven
- [ ] Frontend tests run via Vite/Vitest - [ ] Frontend tests run via Vitest
- [ ] Docker image is published to the Gitea container registry on the same instance - [ ] Docker image is published to the Gitea container registry on the same instance
- [ ] Pipeline fails visibly if any test fails or the build breaks - [ ] Pipeline fails visibly if any test fails or the build breaks
- [ ] Docker image is only published if all tests pass and the build succeeds - [ ] Docker image is only published if all tests pass and the build succeeds
@@ -61,10 +61,10 @@
**Acceptance Criteria:** **Acceptance Criteria:**
- [ ] Database migration framework (Flyway or Liquibase) is configured in the backend with a first empty migration that runs successfully against a PostgreSQL instance - [ ] Database migration framework (Flyway or Liquibase) is configured in the backend with a first empty migration that runs successfully against a PostgreSQL instance
- [ ] SPA router is configured in the Svelte frontend so pages can be navigated by URL path - [ ] SPA router is configured in the Vue frontend (Vue Router) so pages can be navigated by URL path
- [ ] API client layer exists in the frontend (a fetch wrapper or similar) for making requests to the backend REST API - [ ] API client layer exists in the frontend (a fetch wrapper or similar) for making requests to the backend REST API
- [ ] Backend test infrastructure is set up: JUnit 5 with Spring Boot Test, plus integration test support using Testcontainers (PostgreSQL) so tests can run against a real database without external setup - [ ] Backend test infrastructure is set up: JUnit 5 with Spring Boot Test, plus integration test support using Testcontainers (PostgreSQL) so tests can run against a real database without external setup
- [ ] Frontend test infrastructure is set up: Vitest configured and a sample test runs successfully - [ ] Frontend test infrastructure is set up: Vitest with @vue/test-utils configured and a sample test runs successfully
- [ ] Both test suites (backend and frontend) can be executed via their respective build tools (`mvn test` and `npm test` / `npx vitest`) - [ ] Both test suites (backend and frontend) can be executed via their respective build tools (`mvn test` and `npm test` / `npx vitest`)
**Dependencies:** T-1, T-2 **Dependencies:** T-1, T-2