no-mistakes: apply CI fixes

Author: ruby-dlee

bin/fm-spawn.sh

@@ -2701,7 +2701,7 @@ if [ "$KIND" = secondmate ]; then
   fi
   if [ "$ACCOUNT_EFFECTIVE_MODE" = enforce ]; then
     if ! secondmate_home_supports_account_routing "$PROJ_ABS"; then
-      echo "error: refusing account-routed secondmate launch for $PROJ_ABS: the home lacks Agent Fleet routing support. Fast-forward or otherwise reconcile the home to this Firstmate revision, run bin/fm-config-push.sh, and retry." >&2
+      echo "error: refusing account-routed secondmate $ID launch for $PROJ_ABS: the home lacks Agent Fleet routing support. Fast-forward or otherwise reconcile the home to this Firstmate revision, run bin/fm-config-push.sh, and retry." >&2
       exit 1
     fi
   elif ! secondmate_home_supports_account_routing "$PROJ_ABS"; then

tests/fm-account-routing.test.sh

@@ -2226,7 +2226,8 @@ test_enforced_secondmate_requires_routing_inheritance_and_capable_home() {
   status=$?
   [ "$status" -ne 0 ] || fail "enforced secondmate launched from a pre-Agent-Fleet home"
   assert_contains "$out" "$id" "capability refusal omitted the offending secondmate"
-  assert_contains "$out" "dirty working tree" "capability refusal did not stop at the freshness gate"
+  assert_contains "$out" "home lacks Agent Fleet routing support" \
+    "capability refusal omitted the unsupported-home reason"
   assert_not_grep '^new-window ' "$TMUX_LOG" "capability refusal created an endpoint"
   pass "enforced secondmates require inherited routing policy and Agent Fleet-capable homes"
 }
@@ -2269,9 +2270,9 @@ test_secondmate_routing_inheritance_is_authoritative_for_every_mode() {
   sm=$(cd "$sm" && pwd -P)
   out=$(FM_TEST_PANE_PATH="$sm" run_spawn "$id" "$sm" --secondmate)
   status=$?
-  [ "$status" -ne 0 ] || fail "off secondmate launched from a dirty, capability-drifted home"
-  assert_contains "$out" "dirty working tree" "off capability drift did not stop at the freshness gate"
-  assert_not_grep '^new-window ' "$TMUX_LOG" "off capability drift created an endpoint"
+  [ "$status" -eq 0 ] || fail "off secondmate refused a clean home that does not need routing capability"
+  assert_contains "$out" "lacks Agent Fleet routing support; launching because account routing is off" \
+    "off capability warning omitted the explicit routing policy"
   pass "secondmate launches require authoritative routing policy in every mode"
 }