diff --git a/.github/workflows/ci-status-watch.yml b/.github/workflows/ci-status-watch.yml
new file mode 100644
index 0000000000..620259d248
--- /dev/null
+++ b/.github/workflows/ci-status-watch.yml
@@ -0,0 +1,123 @@
+name: CI status watch
+
+# Posts a Teams message listing the README badge workflows that are currently red on the
+# default branch. A workflow stays in the list until it is green again, so the reminder
+# repeats every weekday morning until somebody fixes it. Creates no issues, read-only.
+# If a status cannot be checked, Teams receives a warning to check it manually.
+# Requires the repository secret TEAMS_WEBHOOK_URL.
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 7 * * 1-5'   # 07:00 UTC, Mon-Fri (= 09:00 CEST / 08:00 CET)
+
+permissions:
+  actions: read
+
+jobs:
+  watch:
+    runs-on: ubuntu-latest
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      WEBHOOK: ${{ secrets.TEAMS_WEBHOOK_URL }}
+      REPO: ${{ github.repository }}
+      BRANCH: ${{ github.ref_name }}
+    steps:
+      - name: Check badge workflow status and notify Teams
+        run: |
+          set -euo pipefail
+
+          # The workflows backing the README badges. Add a line here if a badge is added.
+          WORKFLOWS="
+            .github/workflows/build.yml
+            .github/workflows/update-urls.yml
+            .github/workflows/nightly-build.yml
+            .github/workflows/integration-tests.yml
+          "
+
+          echo "Checking badge workflows on branch $BRANCH"
+
+          # Cancelled/skipped runs say nothing about the code and are ignored. A failed lookup
+          # is kept as an unknown status so Teams can ask the team to check it manually.
+          RESULTS=$(for WF_PATH in $WORKFLOWS; do
+              if RUNS=$(gh run list --repo "$REPO" --workflow "$WF_PATH" --branch "$BRANCH" \
+                --status completed --limit 5 --json conclusion,url,updatedAt,workflowName); then
+                echo "$RUNS" | jq --arg workflow "$WF_PATH" '
+                  ([ .[] | select(.conclusion != "cancelled" and .conclusion != "skipped") ][0]) as $run
+                  | if $run == null then
+                      {state: "unknown", workflow: $workflow}
+                    elif ($run.conclusion == "failure" or $run.conclusion == "timed_out"
+                      or $run.conclusion == "startup_failure") then
+                      {state: "red", name: $run.workflowName, url: $run.url, since: $run.updatedAt}
+                    else
+                      {state: "green", workflow: $workflow}
+                    end'
+              else
+                echo "Status lookup failed for $WF_PATH." >&2
+                jq -n --arg workflow "$WF_PATH" '{state: "unknown", workflow: $workflow}'
+              fi
+            done | jq -s '.')
+
+          RED=$(echo "$RESULTS" | jq '[.[] | select(.state == "red")]')
+          UNKNOWN=$(echo "$RESULTS" | jq '[.[] | select(.state == "unknown")]')
+          RED_COUNT=$(echo "$RED" | jq 'length')
+          UNKNOWN_COUNT=$(echo "$UNKNOWN" | jq 'length')
+          if [ "$RED_COUNT" -eq 0 ] && [ "$UNKNOWN_COUNT" -eq 0 ]; then
+            echo "No badge workflow is red. Skipping Teams notification."
+            exit 0
+          fi
+          echo "$RED_COUNT badge workflow(s) currently red; $UNKNOWN_COUNT status lookup(s) unknown."
+
+          if [ -z "${WEBHOOK:-}" ]; then
+            echo "No Teams webhook set; notification cannot be delivered."
+            exit 1
+          fi
+
+          CARD=$(jq -n \
+            --argjson red "$RED" \
+            --argjson unknown "$UNKNOWN" \
+            --argjson redCount "$RED_COUNT" \
+            --argjson unknownCount "$UNKNOWN_COUNT" \
+            --arg repo "$REPO" '
+            {
+              type: "AdaptiveCard",
+              "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+              version: "1.4",
+              body: (
+                [
+                  { type: "TextBlock", size: "Large", weight: "Bolder", wrap: true,
+                    color: (if $redCount > 0 then "attention" else "warning" end),
+                    text: (if $redCount > 0 then "🔴 CI ist rot" else "⚠️ CI-Status unklar" end) }
+                ]
+                + (if $redCount > 0 then
+                    [ { type: "TextBlock", spacing: "None", isSubtle: true, wrap: true,
+                        text: (if $redCount == 1 then "1 Workflow ist rot" else "\($redCount) Workflows sind rot" end) } ]
+                    + [ $red[] | {
+                          type: "Container", separator: true, spacing: "Medium",
+                          items: [
+                            { type: "TextBlock", weight: "Bolder", wrap: true, text: "🔴 \(.name)" },
+                            { type: "TextBlock", spacing: "None", isSubtle: true, size: "Small", wrap: true,
+                              text: "rot seit \(.since) · [Run-Log öffnen](\(.url))" }
+                          ]
+                        } ]
+                  else [] end)
+                + (if $unknownCount > 0 then
+                    [
+                      { type: "TextBlock", weight: "Bolder", wrap: true, color: "warning",
+                        spacing: "Large", text: "⚠️ Statusprüfung unvollständig" },
+                      { type: "TextBlock", wrap: true,
+                        text: "Bitte den Status der folgenden Workflows manuell in GitHub prüfen." }
+                    ]
+                    + [ $unknown[] | {
+                          type: "TextBlock", wrap: true,
+                          text: "⚠️ [\(.workflow | split("/") | last)](https://github.com/\($repo)/actions/workflows/\(.workflow | split("/") | last))"
+                        } ]
+                  else [] end)
+              )
+            }')
+
+          curl -sS --fail -X POST -H "Content-Type: application/json" -d "$CARD" "$WEBHOOK"
+          if [ "$UNKNOWN_COUNT" -gt 0 ]; then
+            echo "At least one workflow status could not be checked."
+            exit 1
+          fi
diff --git a/.github/workflows/issue-pr-observer.yml b/.github/workflows/issue-pr-observer.yml
index ab540a8566..9b34782f74 100644
--- a/.github/workflows/issue-pr-observer.yml
+++ b/.github/workflows/issue-pr-observer.yml
@@ -1,46 +1,121 @@
-name: External Issue & PR Observer
+name: External Issue, PR & Discussion Observer
 
-# Posts a weekday-morning digest of new EXTERNAL issues/PRs (last 24h) to a Teams
-# channel so incoming reports from outside the team are noticed quickly and don't slip.
-# "External" = author_association is not MEMBER, OWNER or COLLABORATOR.
-# Requires the repository secret TEAMS_WEBHOOK_URL (a Teams "Workflows" incoming webhook).
+# Posts a weekday-morning digest of new EXTERNAL issues, PRs and discussions (last 24h)
+# to a Teams channel so incoming activity from outside the team is noticed quickly and
+# "External" = author is not a member of a GitHub team linked to the IDEasy board
+# (devonfw project 5).
+# Issues/PRs come from the REST search API, discussions from GraphQL (no REST equivalent).
+# A failed API call fails the run. The next run resumes from the last successful run,
+# so activity is retried instead of being silently lost.
+# Requires repository secrets TEAMS_WEBHOOK_URL (Teams "Workflows" incoming webhook)
+# and TEAM_TOKEN (org Projects + Members read token).
 
 on:
-  workflow_dispatch:          
+  workflow_dispatch:
   schedule:
     - cron: '0 7 * * 1-5'     # 07:00 UTC, Mon-Fri (= 09:00 CEST summer / 08:00 CET winter)
 
 permissions:
+  actions: read
   issues: read
   pull-requests: read
+  discussions: read
   contents: read
 
 jobs:
   observe:
     runs-on: ubuntu-latest
     steps:
-      - name: Scan for new external issues & PRs and notify Teams
+      - name: Scan for new external issues, PRs & discussions and notify Teams
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TEAM_TOKEN: ${{ secrets.TEAM_TOKEN }}
           WEBHOOK: ${{ secrets.TEAMS_WEBHOOK_URL }}
           REPO: ${{ github.repository }}
+          BRANCH: ${{ github.ref_name }}
+          PROJECT_NUMBER: "5"
+          WORKFLOW: ".github/workflows/issue-pr-observer.yml"
         run: |
-          # Monday catches up the weekend (Fri–Sun); other weekdays look back 24h.
-          if [ "$(date -u +%u)" -eq 1 ]; then
+          set -euo pipefail
+
+          # Resume from the previous successful observer run. If a GitHub API call or the
+          # Teams notification fails, that run stays failed and its activity is retried.
+          LAST_SUCCESS=$(gh run list --repo "$REPO" --workflow "$WORKFLOW" --branch "$BRANCH" \
+            --status success --limit 1 --json createdAt --jq '.[0].createdAt // empty') \
+            || { echo "Previous successful observer run fetch failed."; exit 1; }
+          if [ -n "$LAST_SUCCESS" ]; then
+            SINCE=$LAST_SUCCESS
+          elif [ "$(date -u +%u)" -eq 1 ]; then
+            # The first Monday run catches up the weekend (Fri–Sun).
             SINCE=$(date -u -d '3 days ago' +%Y-%m-%dT%H:%M:%SZ)
           else
+            # Other first runs look back 24 hours.
             SINCE=$(date -u -d '1 day ago' +%Y-%m-%dT%H:%M:%SZ)
           fi
           echo "Scanning $REPO for items created since $SINCE"
 
-          # Search returns both issues and PRs; keep only external authors (not on the team)
-          # and emit a structured object per item so the card can lay them out nicely.
-          ITEMS_JSON=$(gh api -X GET search/issues \
-            -f q="repo:$REPO created:>=$SINCE" \
-            --jq '[.items[]
-              | select(.author_association != "MEMBER"
-                   and .author_association != "OWNER"
-                   and .author_association != "COLLABORATOR")
+          if [ -z "$TEAM_TOKEN" ]; then
+            echo "TEAM_TOKEN is empty."
+            exit 1
+          fi
+
+          OWNER=${REPO%/*}
+
+          # Fetch the GitHub teams explicitly linked to the IDEasy project. Project access is
+          # the source of truth; issue/PR assignments do not determine team membership.
+          PROJECT_TEAMS=$(GH_TOKEN="$TEAM_TOKEN" gh api graphql \
+            -F owner="$OWNER" -F project="$PROJECT_NUMBER" \
+            -f query='query($owner: String!, $project: Int!) {
+              organization(login: $owner) {
+                projectV2(number: $project) {
+                  teams(first: 10) {
+                    totalCount
+                    nodes { slug }
+                  }
+                }
+              }
+            }' \
+            --jq '.data.organization.projectV2.teams') \
+            || { echo "Linked project-team fetch failed."; exit 1; }
+          if ! echo "$PROJECT_TEAMS" | jq -e '
+            type == "object"
+            and (.nodes | type == "array")
+            and (.totalCount | type == "number")' >/dev/null; then
+            echo "Linked project-team response is invalid."
+            exit 1
+          fi
+          if [ "$(echo "$PROJECT_TEAMS" | jq '.nodes | length')" -ne \
+            "$(echo "$PROJECT_TEAMS" | jq '.totalCount')" ]; then
+            echo "More than 10 GitHub teams are linked to project $PROJECT_NUMBER."
+            exit 1
+          fi
+          if [ "$(echo "$PROJECT_TEAMS" | jq '.totalCount')" -eq 0 ]; then
+            echo "No GitHub team is linked to project $PROJECT_NUMBER."
+            exit 1
+          fi
+
+          # Expand all linked teams (including inherited child-team members), normalize their
+          # logins and remove duplicates. Any failed page or team fetch fails the workflow.
+          TEAM=$({
+            for TEAM_SLUG in $(echo "$PROJECT_TEAMS" | jq -r '.nodes[].slug'); do
+              GH_TOKEN="$TEAM_TOKEN" gh api --method GET --paginate \
+                -H "X-GitHub-Api-Version: 2026-03-10" \
+                "/orgs/$OWNER/teams/$TEAM_SLUG/members?per_page=100" \
+                --jq '.[].login' || exit 1
+            done
+          } | jq -Rsc 'split("\n") | map(select(length > 0) | ascii_downcase) | unique') \
+            || { echo "Linked project-team member fetch failed."; exit 1; }
+          if ! echo "$TEAM" | jq -e 'type == "array" and length > 0' >/dev/null; then
+            echo "Linked project-team member list is empty or invalid."
+            exit 1
+          fi
+          echo "Excluding $(echo "$TEAM" | jq 'length') linked project-team member(s)."
+
+          # Issues + PRs via REST search; drop team authors, keep the rest.
+          ISSUE_ITEMS=$(gh api -X GET search/issues \
+            -f q="repo:$REPO created:>=$SINCE" -f per_page=100 --jq '.items' \
+            | jq --argjson team "$TEAM" '[.[]
+              | select((.user.login | ascii_downcase) as $u | $team | index($u) | not)
               | {
                   kind:   (if .pull_request then "Pull Request" else "Issue" end),
                   icon:   (if .pull_request then "🔵" else "🟢" end),
@@ -48,40 +123,78 @@ jobs:
                   title:  .title,
                   url:    .html_url,
                   user:   .user.login
-                }]')
+                }]') \
+            || { echo "Issue/PR fetch failed."; exit 1; }
+
+          # No REST search for discussions; take newest 50 via GraphQL, filter by window + team.
+          NAME=${REPO#*/}
+          DISC_ITEMS=$(gh api graphql \
+            -f owner="$OWNER" -f name="$NAME" \
+            -f query='
+              query($owner:String!, $name:String!) {
+                repository(owner:$owner, name:$name) {
+                  discussions(first:50, orderBy:{field:CREATED_AT, direction:DESC}) {
+                    nodes { number title url createdAt author { login } }
+                  }
+                }
+              }' \
+            --jq '.data.repository.discussions.nodes' \
+            | jq --arg since "$SINCE" --argjson team "$TEAM" '[ .[]
+                | select(.createdAt >= $since)
+                | select(((.author.login // "") | ascii_downcase) as $u | $team | index($u) | not)
+                | {
+                    kind:   "Discussion",
+                    icon:   "💬",
+                    number: .number,
+                    title:  .title,
+                    url:    .url,
+                    user:   (.author.login // "unknown")
+                  } ]') \
+            || { echo "Discussion fetch failed."; exit 1; }
 
-          COUNT=$(echo "$ITEMS_JSON" | jq 'length')
+          IP_COUNT=$(echo "$ISSUE_ITEMS" | jq 'length')
+          D_COUNT=$(echo "$DISC_ITEMS" | jq 'length')
+          COUNT=$((IP_COUNT + D_COUNT))
           if [ "$COUNT" -eq 0 ]; then
-            echo "No new external issues or PRs. Skipping Teams-notification."
+            echo "No new external issues, PRs or discussions. Skipping Teams-notification."
             exit 0
           fi
-          echo "$COUNT new external issue(s)/PR(s) found."
+          echo "$COUNT new external item(s): $IP_COUNT issue(s)/PR(s), $D_COUNT discussion(s)."
 
-          # Teams' webhook wants a bare Adaptive Card: top-level type must be
-          # "AdaptiveCard", not wrapped in a message/attachments envelope.
-          CARD=$(echo "$ITEMS_JSON" | jq --argjson count "$COUNT" '{
-            type: "AdaptiveCard",
-            "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
-            version: "1.4",
-            body: (
-              [
-                { type: "TextBlock", size: "Large", weight: "Bolder", wrap: true,
-                  text: "🆕 Neue externe Issues & Pull Requests" },
-                { type: "TextBlock", spacing: "None", isSubtle: true, wrap: true,
-                  text: ("Letzter Zeitraum · " + (if $count == 1 then "1 neuer Eintrag" else "\($count) neue Einträge" end)) }
-              ]
-              + [ .[] | {
-                    type: "Container",
-                    separator: true,
-                    spacing: "Medium",
-                    items: [
-                      { type: "TextBlock", weight: "Bolder", wrap: true,
-                        text: "\(.icon) #\(.number) · \(.title)" },
-                      { type: "TextBlock", spacing: "None", isSubtle: true, size: "Small", wrap: true,
-                        text: "\(.kind) · von @\(.user) · [Öffnen](\(.url))" }
-                    ]
-                  } ]
-            )
-          }')
+          # Bare Adaptive Card with one group per source; a group is rendered only if it has
+          # items, so issues/PRs and discussions stay separated and empty sections are hidden.
+          CARD=$(jq -n \
+            --argjson ip "$ISSUE_ITEMS" \
+            --argjson disc "$DISC_ITEMS" \
+            --argjson count "$COUNT" '
+            def section(title; items):
+              if (items | length) > 0 then
+                [ { type: "TextBlock", size: "Medium", weight: "Bolder", wrap: true,
+                    spacing: "Large", text: title } ]
+                + [ items[] | {
+                      type: "Container", separator: true, spacing: "Medium",
+                      items: [
+                        { type: "TextBlock", weight: "Bolder", wrap: true,
+                          text: "\(.icon) #\(.number) · \(.title)" },
+                        { type: "TextBlock", spacing: "None", isSubtle: true, size: "Small", wrap: true,
+                          text: "\(.kind) · von @\(.user) · [Öffnen](\(.url))" }
+                      ]
+                    } ]
+              else [] end;
+            {
+              type: "AdaptiveCard",
+              "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+              version: "1.4",
+              body: (
+                [
+                  { type: "TextBlock", size: "Large", weight: "Bolder", wrap: true,
+                    text: "🆕 Neue externe Aktivität" },
+                  { type: "TextBlock", spacing: "None", isSubtle: true, wrap: true,
+                    text: ("Letzter Zeitraum · " + (if $count == 1 then "1 neuer Eintrag" else "\($count) neue Einträge" end)) }
+                ]
+                + section("📋 Issues & Pull Requests"; $ip)
+                + section("💬 Discussions"; $disc)
+              )
+            }')
 
           curl -sS --fail -X POST -H "Content-Type: application/json" -d "$CARD" "$WEBHOOK"