cleanup: remove --bf16 flag from precompute scripts and Argo template

Binary no longer accepts --bf16 (single f32 format). Removed from:
- scripts/argo-precompute.sh
- infra/k8s/argo/precompute-features-template.yaml

PVC fxcache cleaned: deleted 2.4GB old bf16 cache from feature-cache-pvc.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

infra/k8s/argo/precompute-features-template.yaml

@@ -1,4 +1,4 @@
-# Pre-compute DQN training features to .fxcache format.
+# Pre-compute DQN training features to .fxcache format (f32).
 #
 # Runs after data downloads complete. Reads DBN files from training-data PVC,
 # extracts all features (OHLCV 42-dim + targets 4-dim + OFI 8-dim), writes
@@ -6,7 +6,7 @@
 #
 # Usage:
 #   argo submit -n foxhunt --from=wftmpl/precompute-features
-#   ./scripts/argo-precompute.sh ES.FUT --bf16
+#   ./scripts/argo-precompute.sh ES.FUT
 ---
 apiVersion: argoproj.io/v1alpha1
 kind: WorkflowTemplate
@@ -43,8 +43,6 @@ spec:
         value: /feature-cache
       - name: node-pool
         value: ci-compile-cpu
-      - name: bf16
-        value: "false"
 
   volumes:
     - name: training-data
@@ -64,7 +62,6 @@ spec:
           - name: trades-dir
           - name: output-dir
           - name: node-pool
-          - name: bf16
       nodeSelector:
         k8s.scaleway.com/pool-name: "{{inputs.parameters.node-pool}}"
       container:
@@ -97,25 +94,17 @@ spec:
             fi
 
             SYMBOL="{{inputs.parameters.symbol}}"
-            # --symbol flag filters to the correct subdirectory (collect_dbn_files_filtered)
             DATA_DIR="{{inputs.parameters.data-dir}}"
             MBP10_DIR="{{inputs.parameters.mbp10-dir}}"
             TRADES_DIR="{{inputs.parameters.trades-dir}}"
             OUTPUT_DIR="{{inputs.parameters.output-dir}}"
-            BF16="{{inputs.parameters.bf16}}"
 
-            BF16_FLAG=""
-            if [ "$BF16" = "true" ]; then
-              BF16_FLAG="--bf16"
-            fi
-
-            echo "=== Feature Pre-Compute ==="
+            echo "=== Feature Pre-Compute (f32) ==="
             echo "Symbol:  $SYMBOL"
             echo "OHLCV:   $DATA_DIR"
             echo "MBP-10:  $MBP10_DIR"
             echo "Trades:  $TRADES_DIR"
             echo "Output:  $OUTPUT_DIR"
-            echo "BF16:    $BF16"
             echo "Node:    $(hostname), CPUs: $(nproc), RAM: $(free -g | awk '/Mem:/{print $2}')G"
             echo ""
 
@@ -125,7 +114,6 @@ spec:
               --trades-data-dir "$TRADES_DIR" \
               --output-dir "$OUTPUT_DIR" \
               --symbol "$SYMBOL" \
-              $BF16_FLAG \
               --yes
 
             echo ""

scripts/argo-precompute.sh

@@ -3,7 +3,6 @@
 #
 # Usage:
 #   ./scripts/argo-precompute.sh ES.FUT
-#   ./scripts/argo-precompute.sh ES.FUT --bf16
 #   ./scripts/argo-precompute.sh ES.FUT --pool platform --watch
 #
 # Requires: argo CLI
@@ -11,7 +10,6 @@ set -euo pipefail
 
 TEMPLATE="precompute-features"
 POOL=""
-BF16=""
 DATA_DIR=""
 MBP10_DIR=""
 TRADES_DIR=""
@@ -23,7 +21,6 @@ usage() {
 Usage: $(basename "$0") <symbol> [OPTIONS]
 
 Options:
-  --bf16               Write bf16 format (version 2)
   --pool <name>        Node pool (default: ci-compile-cpu)
   --data-dir <dir>     OHLCV data dir (default: /data/futures-baseline)
   --mbp10-dir <dir>    MBP-10 data dir (default: /data/futures-baseline-mbp10)
@@ -42,7 +39,6 @@ SYMBOL="$1"; shift
 
 while [[ $# -gt 0 ]]; do
   case $1 in
-    --bf16)       BF16="true"; shift ;;
     --pool)       POOL="$2"; shift 2 ;;
     --data-dir)   DATA_DIR="$2"; shift 2 ;;
     --mbp10-dir)  MBP10_DIR="$2"; shift 2 ;;
@@ -57,7 +53,6 @@ done
 CMD="argo submit -n foxhunt --from=wftmpl/$TEMPLATE"
 CMD="$CMD -p symbol=$SYMBOL"
 
-[[ -n "$BF16" ]]       && CMD="$CMD -p bf16=$BF16"
 [[ -n "$POOL" ]]       && CMD="$CMD -p node-pool=$POOL"
 [[ -n "$DATA_DIR" ]]   && CMD="$CMD -p data-dir=$DATA_DIR"
 [[ -n "$MBP10_DIR" ]]  && CMD="$CMD -p mbp10-dir=$MBP10_DIR"
@@ -70,7 +65,6 @@ fi
 
 echo "Submitting feature pre-compute workflow..."
 echo "  symbol: $SYMBOL"
-[[ -n "$BF16" ]] && echo "  bf16:   $BF16"
 [[ -n "$POOL" ]] && echo "  pool:   $POOL"
 echo ""
 eval "$CMD"