chore: synchronize all version strings to 0.8.1 and harden CI

  - naab.toml, CMakeLists.txt, gov_main.cpp, package.json/lock: bump to 0.8.1
  - naab.toml: add nim/php (enabled), zig/julia (disabled) to polyglot section
  - SECURITY.md: update supported versions table to 0.8.x
  - USER_GUIDE.md, docs/API_REFERENCE.md, docs/SECURITY_GUIDE.md: bump version header
  - .github/ISSUE_TEMPLATE/bug_report.yml: update placeholder to v0.8.1
  - CHANGELOG.md: add [Unreleased] section + [0.8.1] and [0.8.0] entries
  - tests/cli/test_naab_gov.sh: fix --version check 0.7.0 → 0.8.1
  - ci.yml: add pybind11, build libnaab, replace 3-file test with run-all-tests.sh
  - scripts/bump-version.sh: expand to update all 15 versioned files

  Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Termux User

CHANGELOG.md

@@ -5,6 +5,8 @@ All notable changes to NAAb will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
 ## [0.8.1] - 2026-04-03
 
 ### Fixed

scripts/bump-version.sh

@@ -180,10 +180,26 @@ fi
 # Update USER_GUIDE.md
 if [ -f "$USER_GUIDE" ]; then
     echo "Updating USER_GUIDE.md..."
-    _sed "s/\*\*Version\*\*: $CURRENT_VERSION/**Version**: $NEW_VERSION/" "$USER_GUIDE"
+    _sed "s/\*\*Version\*\*: $CURRENT_VERSION/\*\*Version\*\*: $NEW_VERSION/" "$USER_GUIDE"
     echo -e "${GREEN}✓${NC} USER_GUIDE.md updated"
 fi
 
+# Update docs/API_REFERENCE.md
+API_REF="$PROJECT_ROOT/docs/API_REFERENCE.md"
+if [ -f "$API_REF" ]; then
+    echo "Updating docs/API_REFERENCE.md..."
+    _sed "s/Version: $CURRENT_VERSION/Version: $NEW_VERSION/" "$API_REF"
+    echo -e "${GREEN}✓${NC} docs/API_REFERENCE.md updated"
+fi
+
+# Update docs/SECURITY_GUIDE.md
+SEC_GUIDE="$PROJECT_ROOT/docs/SECURITY_GUIDE.md"
+if [ -f "$SEC_GUIDE" ]; then
+    echo "Updating docs/SECURITY_GUIDE.md..."
+    _sed "s/\*\*Version:\*\* $CURRENT_VERSION/\*\*Version:\*\* $NEW_VERSION/" "$SEC_GUIDE"
+    echo -e "${GREEN}✓${NC} docs/SECURITY_GUIDE.md updated"
+fi
+
 # Update SECURITY.md supported versions table
 if [ -f "$SECURITY_MD" ]; then
     echo "Updating SECURITY.md..."
@@ -229,7 +245,8 @@ if git rev-parse --git-dir > /dev/null 2>&1; then
 
     git add "$CMAKE_FILE" "$CHANGELOG" "$CONFIG_H" "$NAAB_TOML" "$GOV_MAIN" \
         "$VSCODE_PKG" "$VSCODE_LOCK" "$DEPS_LOCK" "$USER_GUIDE" "$SECURITY_MD" \
-        "$BUG_TEMPLATE" "$TEST_CLI_FLAGS" "$TEST_NAAB_GOV" 2>/dev/null || true
+        "$BUG_TEMPLATE" "$TEST_CLI_FLAGS" "$TEST_NAAB_GOV" \
+        "$PROJECT_ROOT/docs/API_REFERENCE.md" "$PROJECT_ROOT/docs/SECURITY_GUIDE.md" 2>/dev/null || true
     git commit -m "chore: bump version to $NEW_VERSION" || {
         echo -e "${YELLOW}Warning: No changes to commit${NC}"
     }