feat: implement wave 8 operational tooling improvements

.github/workflows/shellcheck.yml

@@ -0,0 +1,23 @@
+name: ShellCheck
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'scripts/*.sh'
+      - '.github/workflows/shellcheck.yml'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'scripts/*.sh'
+      - '.github/workflows/shellcheck.yml'
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ludeeus/action-shellcheck@master
+        with:
+          scandir: './scripts'
+          format: gcc

scripts/check_abi_snapshot_hygiene.sh

@@ -13,6 +13,14 @@ REQUIRED_ABIS=(
   abis/compliance.json
 )
 
+# Check if abis/ directory exists
+if [ ! -d "$REPO_ROOT/abis" ]; then
+  echo "ERROR: abis/ directory is missing or misconfigured" >&2
+  echo "This may indicate a bad checkout or missing repository structure." >&2
+  echo "Restore the directory or clone the repository properly." >&2
+  exit 1
+fi
+
 missing=0
 for abi_file in "${REQUIRED_ABIS[@]}"; do
   if [ ! -f "$REPO_ROOT/$abi_file" ]; then

scripts/generate_release_notes.sh

@@ -0,0 +1,90 @@
+#!/usr/bin/env bash
+# generate_release_notes.sh — draft CHANGELOG.md entries from merged PR titles.
+#
+# Queries merged PRs since the last tag and groups them by conventional-commit prefix.
+# Outputs a markdown section formatted for Keep a Changelog.
+#
+# Usage:
+#   ./scripts/generate_release_notes.sh
+#
+# Environment variables (optional):
+#   GITHUB_TOKEN — GitHub personal access token for higher rate limits
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+# Get the last tag or default to a reasonable starting point
+LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "HEAD~50")
+
+# Query merged PRs since last tag using gh CLI
+echo "Querying merged PRs since $LAST_TAG..."
+MERGED_PRS=$(gh pr list \
+  --search "merged:>$(git log -1 --format=%ci "$LAST_TAG" | cut -d' ' -f1)" \
+  --state merged \
+  --limit 100 \
+  --json title,number,mergedAt \
+  --jq '.[] | "\(.number): \(.title)"' 2>/dev/null || echo "")
+
+if [ -z "$MERGED_PRS" ]; then
+  echo "No merged PRs found since $LAST_TAG"
+  exit 0
+fi
+
+# Group by conventional-commit prefix
+echo ""
+echo "## Unreleased"
+echo ""
+
+declare -A sections
+declare -a order=("feat" "fix" "perf" "docs" "style" "refactor" "test" "chore")
+
+while IFS=: read -r number title; do
+  number=$(echo "$number" | xargs)
+  title=$(echo "$title" | xargs)
+
+  # Extract conventional-commit prefix
+  prefix=$(echo "$title" | sed -n 's/^\([a-z]*\).*/\1/p' || echo "chore")
+
+  if [ -z "$prefix" ]; then
+    prefix="chore"
+  fi
+
+  sections[$prefix]="${sections[$prefix]:-}- $title (#$number)
+"
+done <<< "$MERGED_PRS"
+
+# Output grouped sections
+for prefix in "${order[@]}"; do
+  if [ -n "${sections[$prefix]:-}" ]; then
+    case "$prefix" in
+      feat)
+        echo "### Added"
+        ;;
+      fix)
+        echo "### Fixed"
+        ;;
+      perf)
+        echo "### Performance"
+        ;;
+      docs)
+        echo "### Documentation"
+        ;;
+      style)
+        echo "### Changed"
+        ;;
+      refactor)
+        echo "### Changed"
+        ;;
+      test)
+        echo "### Testing"
+        ;;
+      chore)
+        echo "### Maintenance"
+        ;;
+    esac
+    echo ""
+    echo "${sections[$prefix]}"
+  fi
+done
+
+echo "Generated release notes. Edit CHANGELOG.md and adjust as needed."

scripts/verify.sh

@@ -5,6 +5,9 @@
 # the locally built artifacts. Exits non-zero and prints a clear diff if any
 # mismatch is detected.
 #
+# Usage:
+#   ./verify.sh [--output {text|json}]
+#
 # Required environment variables:
 #   SOROBAN_RPC_URL        — Soroban RPC endpoint
 #   INVOICE_CONTRACT_ID    — deployed invoice contract ID  (C…)
@@ -18,6 +21,27 @@ set -euo pipefail
 
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
+# Parse command-line arguments
+OUTPUT_FORMAT="text"
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --output)
+      OUTPUT_FORMAT="$2"
+      shift 2
+      ;;
+    *)
+      echo "Unknown option: $1" >&2
+      exit 1
+      ;;
+  esac
+done
+
+# Validate output format
+if [[ ! "$OUTPUT_FORMAT" =~ ^(text|json)$ ]]; then
+  echo "ERROR: --output must be 'text' or 'json'" >&2
+  exit 1
+fi
+
 # ── ABI metadata sanity check ─────────────────────────────────────────────────
 echo "Checking ABI metadata…"
 test -f "$ROOT_DIR/abis/invoice.json"    || { echo "ERROR: abis/invoice.json missing";    exit 1; }
@@ -47,6 +71,7 @@ CONTRACTS_DIR="${CONTRACTS_DIR:-$ROOT_DIR/../COMEBACKHERE-contracts/target/wasm3
 
 FAIL=0
 MISMATCHES=()
+CHECKS=()  # For JSON output: array of check results
 
 verify_contract() {
   local name="$1"
@@ -93,13 +118,19 @@ print(hashlib.sha256(wasm_bytes).hexdigest())
   fi
 
   if [[ "$local_hash" == "$deployed_hash" ]]; then
-    echo "  ✓ $name: hash match ($local_hash)"
+    if [[ "$OUTPUT_FORMAT" == "text" ]]; then
+      echo "  ✓ $name: hash match ($local_hash)"
+    fi
+    CHECKS+=("{\"contract\":\"$name\",\"status\":\"pass\",\"local_hash\":\"$local_hash\",\"deployed_hash\":\"$deployed_hash\"}")
   else
-    echo "  ✗ $name: HASH MISMATCH" >&2
-    echo "    local:    $local_hash" >&2
-    echo "    deployed: $deployed_hash" >&2
+    if [[ "$OUTPUT_FORMAT" == "text" ]]; then
+      echo "  ✗ $name: HASH MISMATCH" >&2
+      echo "    local:    $local_hash" >&2
+      echo "    deployed: $deployed_hash" >&2
+    fi
     FAIL=1
     MISMATCHES+=("$name")
+    CHECKS+=("{\"contract\":\"$name\",\"status\":\"fail\",\"local_hash\":\"$local_hash\",\"deployed_hash\":\"$deployed_hash\"}")
   fi
 }
 
@@ -118,13 +149,29 @@ verify_contract "compliance" \
   "$COMPLIANCE_CONTRACT_ID" \
   "$CONTRACTS_DIR/comebackhere_compliance.wasm"
 
+if [[ "$OUTPUT_FORMAT" == "json" ]]; then
+  # Output JSON result
+  echo "{"
+  echo "  \"status\": \"$([ $FAIL -eq 0 ] && echo 'pass' || echo 'fail')\","
+  echo "  \"checks\": ["
+  for i in "${!CHECKS[@]}"; do
+    echo "    ${CHECKS[$i]}$([ $i -lt $((${#CHECKS[@]} - 1)) ] && echo ',' || echo '')"
+  done
+  echo "  ]"
+  echo "}"
+else
+  # Text output
+  if (( FAIL )); then
+    echo ""
+    echo "VERIFICATION FAILED — the following contracts have WASM hash mismatches:" >&2
+    printf '  - %s\n' "${MISMATCHES[@]}" >&2
+    echo "Ensure you are comparing the correct build artifacts to the correct deployment." >&2
+  else
+    echo ""
+    echo "All WASM hashes verified successfully."
+  fi
+fi
+
 if (( FAIL )); then
-  echo ""
-  echo "VERIFICATION FAILED — the following contracts have WASM hash mismatches:" >&2
-  printf '  - %s\n' "${MISMATCHES[@]}" >&2
-  echo "Ensure you are comparing the correct build artifacts to the correct deployment." >&2
   exit 1
 fi
-
-echo ""
-echo "All WASM hashes verified successfully."