fix(platform-wallet): auto_select_inputs honors Σ inputs == Σ outputs

.github/package-filters/rs-packages-no-workflows.yml

@@ -99,3 +99,7 @@ wasm-sdk:
   - packages/wasm-sdk/src/**
   - packages/wasm-sdk/Cargo.toml
   - *sdk
+
+rs-platform-wallet:
+  - packages/rs-platform-wallet/**
+  - *sdk

.github/workflows/tests-rs-workspace.yml

@@ -21,6 +21,53 @@ jobs:
         with:
           clean: false
 
+      - name: Free runner disk space
+        run: |
+          set -eo pipefail
+
+          echo "Disk before cleanup:"
+          df -h / "$GITHUB_WORKSPACE" "$RUNNER_TEMP" "${TMPDIR:-/tmp}" || true
+
+          RUNNER_ROOT=$(cd "$GITHUB_WORKSPACE/../../.." && pwd)
+          echo "Runner root: $RUNNER_ROOT"
+
+          if [ -d "$RUNNER_ROOT/_diag" ]; then
+            echo "Runner diagnostics before cleanup:"
+            du -sh "$RUNNER_ROOT/_diag" || true
+
+            find "$RUNNER_ROOT/_diag" -type f \( -name '*.log' -o -name '*.trace' \) -mtime +7 -print -exec rm -f {} + || true
+            find "$RUNNER_ROOT/_diag/blocks" "$RUNNER_ROOT/_diag/pages" -type f -mtime +2 -print -exec rm -f {} + 2>/dev/null || true
+
+            echo "Runner diagnostics after cleanup:"
+            du -sh "$RUNNER_ROOT/_diag" || true
+          fi
+
+          for dir in "$RUNNER_ROOT/_work/_temp" "${TMPDIR:-}"; do
+            if [ -n "$dir" ] && [ -d "$dir" ]; then
+              echo "Cleaning stale temp files in $dir"
+              find "$dir" -mindepth 1 -mtime +1 -print -exec rm -rf {} + 2>/dev/null || true
+            fi
+          done
+
+          for dir in target/llvm-cov-target target/nextest; do
+            if [ -d "$dir" ]; then
+              echo "Removing stale Rust test artifact cache: $dir"
+              du -sh "$dir" || true
+              rm -rf "$dir"
+            fi
+          done
+
+          AVAILABLE_KB=$(df -Pk "$GITHUB_WORKSPACE" | awk 'NR==2 {print $4}')
+          MIN_FREE_KB=$((80 * 1024 * 1024))
+          echo "Available workspace space: ${AVAILABLE_KB}KB"
+          if [ "${AVAILABLE_KB:-0}" -lt "$MIN_FREE_KB" ]; then
+            echo "Less than 80GB available; cleaning Rust target cache"
+            cargo clean || rm -rf target
+          fi
+
+          echo "Disk after cleanup:"
+          df -h / "$GITHUB_WORKSPACE" "$RUNNER_TEMP" "${TMPDIR:-/tmp}" || true
+
       - name: Clean target if too large
         run: |
           SIZE=$(du -sm target 2>/dev/null | cut -f1 || true)
@@ -530,4 +577,3 @@ jobs:
             fi
           done
           echo "No immutable/append_only structure violations found"
-

packages/rs-platform-wallet/src/changeset/core_bridge.rs

@@ -129,8 +129,8 @@ async fn build_core_changeset(
             addresses_derived,
             ..
         } => {
-            // Derive UTXO deltas BEFORE moving the record into `records`
-            // so we still have the per-record borrows.
+            // Derive UTXO deltas before moving the record into `records`
+            // so the per-record borrows are still live.
             CoreChangeSet {
                 new_utxos: derive_new_utxos(record),
                 spent_utxos: derive_spent_utxos(record),

packages/rs-platform-wallet/src/error.rs

@@ -1,3 +1,5 @@
+use dpp::address_funds::PlatformAddress;
+use dpp::fee::Credits;
 use dpp::identifier::Identifier;
 use key_wallet::Network;
 
@@ -72,6 +74,18 @@ pub enum PlatformWalletError {
     #[error("Address operation failed: {0}")]
     AddressOperation(String),
 
+    #[error("{}", format_no_selectable_inputs(funded_outputs, *sub_min_count, *sub_min_aggregate, *min_input_amount))]
+    NoSelectableInputs {
+        /// Funded addresses dropped by the input-equals-output filter.
+        funded_outputs: Vec<PlatformAddress>,
+        /// Number of addresses with a positive balance below `min_input_amount`.
+        sub_min_count: usize,
+        /// Aggregate of those sub-minimum balances.
+        sub_min_aggregate: Credits,
+        /// Per-input minimum from the active platform version.
+        min_input_amount: Credits,
+    },
+
     #[error("Platform address not found in wallet: {0}")]
     AddressNotFound(String),
 
@@ -137,6 +151,37 @@ pub enum PlatformWalletError {
     ShieldedKeyDerivation(String),
 }
 
+/// Render the `NoSelectableInputs` diagnostic, omitting whichever failure
+/// shape did not contribute (sub-min dust or funded-but-also-output) so
+/// operators don't see misleading zero-valued fields.
+fn format_no_selectable_inputs(
+    funded_outputs: &[PlatformAddress],
+    sub_min_count: usize,
+    sub_min_aggregate: Credits,
+    min_input_amount: Credits,
+) -> String {
+    let mut parts: Vec<String> = Vec::with_capacity(2);
+    if !funded_outputs.is_empty() {
+        parts.push(format!("funded_outputs={funded_outputs:?}"));
+    }
+    if sub_min_count > 0 {
+        parts.push(format!(
+            "sub_min_count={sub_min_count} sub_min_aggregate={sub_min_aggregate} credits"
+        ));
+    }
+    let body = if parts.is_empty() {
+        // Detector returns Some only when at least one shape applies; defensive.
+        "no funded inputs survived the auto-selection filter".to_string()
+    } else {
+        parts.join(" ")
+    };
+    format!(
+        "no selectable inputs for auto-selection: {body} \
+         (min_input_amount={min_input_amount}); rotate to a fresh receive address, \
+         consolidate funds, or use InputSelection::Explicit"
+    )
+}
+
 /// Check whether an SDK error indicates that an InstantSend lock proof was
 /// rejected by Platform (e.g. the IS lock has expired).
 ///

packages/rs-platform-wallet/src/wallet/apply.rs

@@ -307,8 +307,6 @@ impl PlatformWalletInfo {
         drop(token_balances);
 
         // 7. Recompute cached UI balance from the now-restored UTXO set.
-        //    `update_balance` returns its own changeset internally; we
-        //    discard it (apply does not re-emit).
         use key_wallet::wallet::managed_wallet_info::wallet_info_interface::WalletInfoInterface;
         self.core_wallet.update_balance();
         // Mirror the recomputed balance into the lock-free Arc that the