chore(ci): route spartan/spartan-v5 merge-train notifications to #team-alpha-ci

.github/workflows/merge-train-stale-check.yml

@@ -20,7 +20,7 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.AZTEC_BOT_GITHUB_TOKEN }}
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
-        run: ./ci3/merge_train_stale_check merge-train/spartan '#team-alpha'
+        run: ./ci3/merge_train_stale_check merge-train/spartan '#team-alpha-ci'
 
   spartan-v5:
     name: Check merge-train/spartan-v5
@@ -36,7 +36,7 @@ jobs:
           GH_TOKEN: ${{ secrets.AZTEC_BOT_GITHUB_TOKEN }}
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
           BASE_BRANCH: v5-next
-        run: ./ci3/merge_train_stale_check merge-train/spartan-v5 '#team-alpha'
+        run: ./ci3/merge_train_stale_check merge-train/spartan-v5 '#team-alpha-ci'
 
   fairies-v5:
     name: Check merge-train/fairies-v5

.github/workflows/network-healthcheck.yml

@@ -37,14 +37,14 @@ jobs:
           5. Any errors (level >= 50) or warnings (level 40) in the last 8 hours
           6. Bot status if applicable
 
-          Create a gist with the full healthcheck report. Then post a concise summary to the #team-alpha channel via respond_to_user. Flag anything that needs attention (stopped bots, missed slots, errors, low peer counts).
+          Create a gist with the full healthcheck report. Then post a concise summary to the #team-alpha-ci channel via respond_to_user. Flag anything that needs attention (stopped bots, missed slots, errors, low peer counts).
 
           Format the respond_to_user message as a brief network status overview, e.g.:
           - testnet: healthy, block 5570, 100 peers
           - mainnet: healthy, block 1234, 50 peers
           - devnet: WARNING - bot stopped (insufficient balance)
           Link to the gist for full details."
 
-          ./ci3/slack_notify_with_claudebox_kickoff "#team-alpha" \
+          ./ci3/slack_notify_with_claudebox_kickoff "#team-alpha-ci" \
             "Starting network healthcheck for: ${NETWORKS}" \
             "$PROMPT"

ci3/merge_train_failure_slack_notify

@@ -36,9 +36,9 @@ elif [[ "$REF_NAME" == "merge-train/fairies" ]]; then
 elif [[ "$REF_NAME" == "merge-train/fairies-v5" ]]; then
   channel="#team-fairies"
 elif [[ "$REF_NAME" == "merge-train/spartan" ]]; then
-  channel="#team-alpha"
+  channel="#team-alpha-ci"
 elif [[ "$REF_NAME" == "merge-train/spartan-v5" ]]; then
-  channel="#team-alpha"
+  channel="#team-alpha-ci"
 else
   exit 0
 fi

ci3/merge_train_stale_check

@@ -6,7 +6,7 @@
 # Usage: merge_train_stale_check <merge-train-branch> <slack-channel>
 #
 # Example:
-#   merge_train_stale_check merge-train/spartan '#team-alpha'
+#   merge_train_stale_check merge-train/spartan '#team-alpha-ci'
 #
 # Required env vars:
 #   GH_TOKEN        — GitHub API token (used by `gh api`)

ci3/slack_notify

@@ -8,7 +8,17 @@ fi
 channel=${2:-"#aztec3-ci"}
 data=$(jq -n --arg channel "$channel" --arg text "$1" '{channel: $channel, text: $text}')
 
-curl -X POST https://slack.com/api/chat.postMessage \
+# Post to Slack, capturing the API response. Previously the response went to
+# /dev/null, so a failed post (most commonly the bot not being a member of the
+# target channel -> "not_in_channel", or an invalid channel/token) vanished with
+# no trace and could not be troubleshooted. Surface any failure in the CI log.
+# Best-effort: log the failure but do not fail the caller.
+response=$(curl -sS -X POST https://slack.com/api/chat.postMessage \
   -H "Authorization: Bearer $SLACK_BOT_TOKEN" \
   -H "Content-type: application/json" \
-  --data "$data" &>/dev/null
+  --data "$data" 2>&1)
+
+if [ "$(jq -r '.ok // false' <<<"$response" 2>/dev/null)" != "true" ]; then
+  error=$(jq -r '.error // empty' <<<"$response" 2>/dev/null)
+  echo "slack_notify: failed to post to Slack channel '$channel': ${error:-$response}" >&2
+fi

scripts/socket-fix-ci.sh

@@ -122,7 +122,7 @@ ${LINKS}"
 ${LINKS}"
     fi
 
-    data=$(jq -n --arg channel "#team-alpha" --arg text "$TEXT" '{channel: $channel, text: $text}')
+    data=$(jq -n --arg channel "#team-alpha-ci" --arg text "$TEXT" '{channel: $channel, text: $text}')
 
     curl -X POST https://slack.com/api/chat.postMessage \
       -H "Authorization: Bearer $SLACK_BOT_TOKEN" \