feat(argo): plumb --instrument-id flag through alpha-perception script + template

Adds new workflow parameter instrument-id (default empty string = no filter).
Script forwards via --instrument-id CLI flag to alpha_train when non-empty.
EXTRA_FLAGS template logic appends --instrument-id only when set.

kubectl apply must run first (per feedback_argo_template_must_apply) so the
cluster CRD reflects the new parameter before argo submit.

infra/k8s/argo/alpha-perception-template.yaml

@@ -66,6 +66,8 @@ spec:
         value: "1"
       - name: auto-horizon-weights
         value: "false"
+      - name: instrument-id
+        value: ""
       - name: early-stop-metric
         value: "mean_auc"
       - name: early-stop-patience
@@ -445,6 +447,9 @@ spec:
             if [ "{{workflow.parameters.auto-horizon-weights}}" = "true" ]; then
               EXTRA_FLAGS="$EXTRA_FLAGS --auto-horizon-weights"
             fi
+            if [ -n "{{workflow.parameters.instrument-id}}" ]; then
+              EXTRA_FLAGS="$EXTRA_FLAGS --instrument-id {{workflow.parameters.instrument-id}}"
+            fi
 
             TRACE_FLAG=""
             if [ -n "{{workflow.parameters.kernel-step-trace-path}}" ]; then

scripts/argo-alpha-perception.sh

@@ -35,6 +35,7 @@ CV_FOLD=0
 CV_N_FOLDS=1
 CV_TRAIN_WINDOW=0
 DECISION_STRIDE=1
+INSTRUMENT_ID=""
 WATCH=false
 
 usage() {
@@ -80,6 +81,7 @@ while [[ $# -gt 0 ]]; do
     --cv-n-folds)        CV_N_FOLDS="$2"; shift 2 ;;
     --cv-train-window)   CV_TRAIN_WINDOW="$2"; shift 2 ;;
     --decision-stride)   DECISION_STRIDE="$2"; shift 2 ;;
+    --instrument-id)     INSTRUMENT_ID="$2"; shift 2 ;;
     --watch)             WATCH=true; shift ;;
     -h|--help)           usage; exit 0 ;;
     *) echo "Unknown option: $1"; usage; exit 1 ;;
@@ -151,4 +153,5 @@ argo submit -n foxhunt --from=wftmpl/alpha-perception \
   -p cv-n-folds="$CV_N_FOLDS" \
   -p cv-train-window="$CV_TRAIN_WINDOW" \
   -p decision-stride="$DECISION_STRIDE" \
+  -p instrument-id="$INSTRUMENT_ID" \
   $WATCH_FLAG