chore(git): resolve merge conflicts with main

2026-07-23 11:09:36 +05:30
parent 05bf810bc1 6db9775e07
commit d0090c5114
61 changed files with 6560 additions and 602 deletions
--- a/backend/.mvn/wrapper/maven-wrapper.properties
+++ b/backend/.mvn/wrapper/maven-wrapper.properties
@@ -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
--- a/backend/.vscode/launch.json
+++ b/backend/.vscode/launch.json
@@ -0,0 +1,14 @@
+{
+    "configurations": [
+        {
+            "type": "java",
+            "name": "Spring Boot-PortalApplication<portal>",
+            "request": "launch",
+            "cwd": "${workspaceFolder}",
+            "mainClass": "com.rit.portal.PortalApplication",
+            "projectName": "portal",
+            "args": "",
+            "envFile": "${workspaceFolder}/.env"
+        }
+    ]
+}
--- a/backend/mvnw
+++ b/backend/mvnw
@@ -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 "$@"
--- a/backend/mvnw.cmd
+++ b/backend/mvnw.cmd
@@ -0,0 +1,189 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.4
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$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"
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -1,35 +1,42 @@
 <?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">
+<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>3.4.1</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <version>3.4.13</version>
+        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.rit</groupId>
    <artifactId>portal</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>Freshers Hub Backend</name>
    <description>Centralized Spring Boot backend for RIT Freshers Hub</description>
-    <url/>
+    <url />
    <licenses>
-        <license/>
+        <license />
    </licenses>
    <developers>
-        <developer/>
+        <developer />
    </developers>
    <scm>
-        <connection/>
-        <developerConnection/>
-        <tag/>
-        <url/>
+        <connection />
+        <developerConnection />
+        <tag />
+        <url />
    </scm>
    <properties>
        <java.version>17</java.version>
    </properties>
    <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
        <!-- Web MVC starter for building REST APIs -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
@@ -87,4 +94,4 @@
        </plugins>
    </build>

-</project>
+</project>
--- a/backend/src/main/java/com/rit/portal/controller/BusRouteController.java
+++ b/backend/src/main/java/com/rit/portal/controller/BusRouteController.java
@@ -0,0 +1,20 @@
+package com.rit.portal.controller;
+
+import com.rit.portal.entity.BusRoute;
+import com.rit.portal.repository.BusRouteRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/bus-routes")
+public class BusRouteController {
+
+    @Autowired
+    private BusRouteRepository busRouteRepository;
+
+    @GetMapping
+    public List<BusRoute> getAllBusRoutes() {
+        return busRouteRepository.findAll();
+    }
+}
--- a/backend/src/main/java/com/rit/portal/controller/CommunityQuestionController.java
+++ b/backend/src/main/java/com/rit/portal/controller/CommunityQuestionController.java
@@ -0,0 +1,97 @@
+package com.rit.portal.controller;
+
+import com.rit.portal.entity.CommunityAnswer;
+import com.rit.portal.entity.CommunityQuestion;
+import com.rit.portal.repository.CommunityAnswerRepository;
+import com.rit.portal.repository.CommunityQuestionRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.client.RestTemplate;
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/questions")
+public class CommunityQuestionController {
+
+    @Autowired
+    private CommunityQuestionRepository questionRepository;
+
+    @Autowired
+    private CommunityAnswerRepository answerRepository;
+
+    private final RestTemplate restTemplate = new RestTemplate();
+    private static final String TELEGRAM_BOT_URL = "http://localhost:8082/send_question";
+
+    @GetMapping
+    public List<CommunityQuestion> getAllQuestions() {
+        return questionRepository.findAll();
+    }
+
+    @GetMapping("/paged")
+    public org.springframework.data.domain.Page<CommunityQuestion> getPagedQuestions(
+            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "5") int size) {
+        return questionRepository.findAll(
+            org.springframework.data.domain.PageRequest.of(
+                page,
+                size,
+                org.springframework.data.domain.Sort.by("createdAt").descending()
+            )
+        );
+    }
+
+    @PostMapping
+    public CommunityQuestion createQuestion(@RequestBody CommunityQuestion question) {
+        if (question.getUpvotes() == null) question.setUpvotes(0);
+        if (question.getIsAnswered() == null) question.setIsAnswered(false);
+        question.setCreatedAt(LocalDateTime.now());
+        
+        CommunityQuestion saved = questionRepository.save(question);
+        
+        // Notify Telegram bot in a background thread to keep it robust and non-blocking
+        new Thread(() -> {
+            try {
+                Map<String, Object> payload = new HashMap<>();
+                payload.put("question_id", saved.getId());
+                payload.put("title", saved.getTitle());
+                payload.put("body", saved.getBody());
+                payload.put("author", saved.getAuthor());
+                
+                restTemplate.postForEntity(TELEGRAM_BOT_URL, payload, String.class);
+            } catch (Exception e) {
+                System.err.println("Failed to notify Telegram Bot intermediary: " + e.getMessage());
+            }
+        }).start();
+
+        return saved;
+    }
+
+    @PostMapping("/{id}/answers")
+    public ResponseEntity<CommunityAnswer> addAnswer(@PathVariable Integer id, @RequestBody CommunityAnswer answer) {
+        return questionRepository.findById(id).map(question -> {
+            answer.setQuestion(question);
+            if (answer.getUpvotes() == null) answer.setUpvotes(0);
+            if (answer.getIsAccepted() == null) answer.setIsAccepted(false);
+            answer.setCreatedAt(LocalDateTime.now());
+            
+            CommunityAnswer savedAnswer = answerRepository.save(answer);
+            
+            question.setIsAnswered(true);
+            questionRepository.save(question);
+            
+            return ResponseEntity.ok(savedAnswer);
+        }).orElse(ResponseEntity.notFound().build());
+    }
+
+    @PostMapping("/{id}/upvote")
+    public ResponseEntity<CommunityQuestion> upvoteQuestion(@PathVariable Integer id) {
+        return questionRepository.findById(id).map(question -> {
+            question.setUpvotes(question.getUpvotes() + 1);
+            return ResponseEntity.ok(questionRepository.save(question));
+        }).orElse(ResponseEntity.notFound().build());
+    }
+}
--- a/backend/src/main/java/com/rit/portal/controller/NotePyqController.java
+++ b/backend/src/main/java/com/rit/portal/controller/NotePyqController.java
@@ -14,7 +14,6 @@ import java.time.LocalDateTime;

@RestController
@RequestMapping("/api/notes")
-@CrossOrigin(origins = "*") // CrossOrigin configured globally, but added here for safety
 public class NotePyqController {

    @Autowired
@@ -142,7 +141,7 @@ public class NotePyqController {

    // Increment downloads count
    @PostMapping("/{id}/download")
-    public ResponseEntity<Void> incrementDownloads(@PathVariable Long id) {
+    public ResponseEntity<Void> incrementDownloads(@PathVariable Integer id) {
        return noteRepository.findById(id).map(note -> {
            note.setDownloadsCount(note.getDownloadsCount() + 1);
            note.setFileType(note.getFileType()); // Keep dirty check
--- a/backend/src/main/java/com/rit/portal/entity/BusRoute.java
+++ b/backend/src/main/java/com/rit/portal/entity/BusRoute.java
@@ -0,0 +1,46 @@
+package com.rit.portal.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "bus_routes")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class BusRoute {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(name = "route_number", unique = true, nullable = false)
+    private String number;
+
+    @Column(name = "route_name", nullable = false)
+    private String name;
+
+    @Column(name = "start_point", nullable = false)
+    private String from;
+
+    @Column(name = "end_point", nullable = false)
+    private String to;
+
+    @Column(name = "departure_time", nullable = false)
+    private String departureTime;
+
+    @Column(name = "arrival_time", nullable = false)
+    private String arrivalTime;
+
+    @Column(name = "color_code")
+    private String color;
+
+    @OneToMany(mappedBy = "route", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @OrderBy("stopOrder ASC")
+    @Builder.Default
+    private List<BusStop> stops = new ArrayList<>();
+}
--- a/backend/src/main/java/com/rit/portal/entity/BusStop.java
+++ b/backend/src/main/java/com/rit/portal/entity/BusStop.java
@@ -0,0 +1,33 @@
+package com.rit.portal.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Table(name = "bus_stops")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class BusStop {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "route_id", nullable = false)
+    @JsonIgnore
+    private BusRoute route;
+
+    @Column(name = "stop_name", nullable = false)
+    private String name;
+
+    @Column(name = "arrival_time", nullable = false)
+    private String time;
+
+    @Column(name = "stop_order", nullable = false)
+    private Integer stopOrder;
+}
--- a/backend/src/main/java/com/rit/portal/entity/CommunityAnswer.java
+++ b/backend/src/main/java/com/rit/portal/entity/CommunityAnswer.java
@@ -0,0 +1,40 @@
+package com.rit.portal.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+import lombok.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "community_answers")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommunityAnswer {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "question_id", nullable = false)
+    @JsonIgnore
+    private CommunityQuestion question;
+
+    @Column(nullable = false, columnDefinition = "TEXT")
+    private String body;
+
+    @Column(nullable = false)
+    private String author;
+
+    @Column(name = "upvotes")
+    private Integer upvotes = 0;
+
+    @Column(name = "is_accepted")
+    private Boolean isAccepted = false;
+
+    @Column(name = "created_at")
+    private LocalDateTime createdAt = LocalDateTime.now();
+}
--- a/backend/src/main/java/com/rit/portal/entity/CommunityQuestion.java
+++ b/backend/src/main/java/com/rit/portal/entity/CommunityQuestion.java
@@ -0,0 +1,46 @@
+package com.rit.portal.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "community_questions")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommunityQuestion {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(nullable = false)
+    private String title;
+
+    @Column(nullable = false, columnDefinition = "TEXT")
+    private String body;
+
+    @Column(nullable = false)
+    private String author;
+
+    @Column(name = "upvotes")
+    private Integer upvotes = 0;
+
+    @Column(name = "tags", columnDefinition = "text[]")
+    private List<String> tags = new ArrayList<>();
+
+    @Column(name = "is_answered")
+    private Boolean isAnswered = false;
+
+    @Column(name = "created_at")
+    private LocalDateTime createdAt = LocalDateTime.now();
+
+    @OneToMany(mappedBy = "question", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @Builder.Default
+    private List<CommunityAnswer> answers = new ArrayList<>();
+}
--- a/backend/src/main/java/com/rit/portal/entity/NotePyq.java
+++ b/backend/src/main/java/com/rit/portal/entity/NotePyq.java
@@ -15,7 +15,7 @@ public class NotePyq {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
+    private Integer id;

    @Column(nullable = false)
    private String title;
--- a/backend/src/main/java/com/rit/portal/repository/BusRouteRepository.java
+++ b/backend/src/main/java/com/rit/portal/repository/BusRouteRepository.java
@@ -0,0 +1,10 @@
+package com.rit.portal.repository;
+
+import com.rit.portal.entity.BusRoute;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface BusRouteRepository extends JpaRepository<BusRoute, Integer> {
+    BusRoute findByNumber(String number);
+}
--- a/backend/src/main/java/com/rit/portal/repository/BusStopRepository.java
+++ b/backend/src/main/java/com/rit/portal/repository/BusStopRepository.java
@@ -0,0 +1,9 @@
+package com.rit.portal.repository;
+
+import com.rit.portal.entity.BusStop;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface BusStopRepository extends JpaRepository<BusStop, Integer> {
+}
--- a/backend/src/main/java/com/rit/portal/repository/CommunityAnswerRepository.java
+++ b/backend/src/main/java/com/rit/portal/repository/CommunityAnswerRepository.java
@@ -0,0 +1,9 @@
+package com.rit.portal.repository;
+
+import com.rit.portal.entity.CommunityAnswer;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommunityAnswerRepository extends JpaRepository<CommunityAnswer, Integer> {
+}
--- a/backend/src/main/java/com/rit/portal/repository/CommunityQuestionRepository.java
+++ b/backend/src/main/java/com/rit/portal/repository/CommunityQuestionRepository.java
@@ -0,0 +1,9 @@
+package com.rit.portal.repository;
+
+import com.rit.portal.entity.CommunityQuestion;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommunityQuestionRepository extends JpaRepository<CommunityQuestion, Integer> {
+}
--- a/backend/src/main/java/com/rit/portal/repository/NotePyqRepository.java
+++ b/backend/src/main/java/com/rit/portal/repository/NotePyqRepository.java
@@ -6,7 +6,7 @@ import org.springframework.stereotype.Repository;
 import java.util.List;

@Repository
-public interface NotePyqRepository extends JpaRepository<NotePyq, Long> {
+public interface NotePyqRepository extends JpaRepository<NotePyq, Integer> {
    List<NotePyq> findBySemester(Integer semester);
    List<NotePyq> findByDepartment(String department);
    List<NotePyq> findByFileType(String fileType);
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -1,7 +1,7 @@
 # ─── DATABASE CONNECTION CONFIGURATION ───
 spring.datasource.url=jdbc:postgresql://localhost:5432/rit_freshers_hub?sslmode=disable
 spring.datasource.username=postgres
-spring.datasource.password=Amudiesh22@.
+spring.datasource.password=${DB_PASSWORD:murugan06}

 # ─── JPA / HIBERNATE SETTINGS ───
 spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
--- a/backend/src/main/resources/bus_routes.json
+++ b/backend/src/main/resources/bus_routes.json
--- a/backend/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
+++ b/backend/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,14 @@
+com\rit\portal\config\DataInitializer.class
+com\rit\portal\entity\CommunityQuestion$CommunityQuestionBuilder.class
+com\rit\portal\entity\NotePyq$NotePyqBuilder.class
+com\rit\portal\repository\CommunityAnswerRepository.class
+com\rit\portal\entity\CommunityAnswer$CommunityAnswerBuilder.class
+com\rit\portal\controller\NotePyqController.class
+com\rit\portal\entity\CommunityQuestion.class
+com\rit\portal\entity\NotePyq.class
+com\rit\portal\repository\NotePyqRepository.class
+com\rit\portal\entity\CommunityAnswer.class
+com\rit\portal\controller\CommunityQuestionController.class
+com\rit\portal\repository\CommunityQuestionRepository.class
+com\rit\portal\config\WebConfig.class
+com\rit\portal\PortalApplication.class
--- a/backend/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ b/backend/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,11 @@
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\config\DataInitializer.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\config\WebConfig.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\controller\CommunityQuestionController.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\controller\NotePyqController.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\entity\CommunityAnswer.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\entity\CommunityQuestion.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\entity\NotePyq.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\PortalApplication.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\repository\CommunityAnswerRepository.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\repository\CommunityQuestionRepository.java
+C:\Users\deves\OneDrive\project_main\Freshers-Hub\backend\src\main\java\com\rit\portal\repository\NotePyqRepository.java