diff --git a/scripts/audit-enforcement.js b/scripts/audit-enforcement.js
index dc9e68da..ff6ad7c8 100755
--- a/scripts/audit-enforcement.js
+++ b/scripts/audit-enforcement.js
@@ -20,9 +20,13 @@ const ENFORCEMENT_MAP = {
   inst_016: ['scripts/check-prohibited-terms.js', '.git/hooks/pre-commit'],
   inst_017: ['scripts/check-prohibited-terms.js', '.git/hooks/pre-commit'],
   inst_018: ['scripts/check-prohibited-terms.js', '.git/hooks/pre-commit'],
+  inst_020_CONSOLIDATED: ['scripts/check-file-permissions.js', 'scripts/deploy.sh'],
   inst_023: ['scripts/track-background-process.js', 'scripts/session-init.js', 'scripts/session-closedown.js'],
+  inst_025: ['scripts/verify-deployment-structure.js', 'scripts/deploy.sh'],
+  inst_026: ['scripts/check-env-var-standards.js', '.git/hooks/pre-commit'],
   inst_027: ['.claude/hooks/framework-audit-hook.js'],
   inst_038: ['.claude/hooks/framework-audit-hook.js'],
+  inst_040: ['.claude/hooks/all-command-detector.js'],
   inst_046: ['scripts/verify-security-logging.js'],
   inst_064: ['scripts/session-init.js'], // Framework activity verification
   inst_065: ['scripts/session-init.js'],
diff --git a/scripts/check-env-var-standards.js b/scripts/check-env-var-standards.js
new file mode 100755
index 00000000..36d95c93
--- /dev/null
+++ b/scripts/check-env-var-standards.js
@@ -0,0 +1,111 @@
+#!/usr/bin/env node
+/**
+ * Environment Variable Standards Checker - Enforces inst_026
+ * Ensures correct environment variable naming (CLAUDE_API_KEY not ANTHROPIC_API_KEY)
+ */
+
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+function checkFile(filePath) {
+  const content = fs.readFileSync(filePath, 'utf8');
+  const lines = content.split('\n');
+  const violations = [];
+  
+  lines.forEach((line, idx) => {
+    // Check for ANTHROPIC_API_KEY usage
+    // Check for ANTHROPIC_API_KEY usage (skip comments and documentation)
+    if (line.includes('ANTHROPIC_API_KEY') && // OK: SELF-CHECK
+        !line.trim().startsWith('//') &&
+        !line.trim().startsWith('*') &&
+        !line.includes('// OK:') &&
+        !line.includes('Wrong:') &&
+        !line.includes('CLAUDE_API_KEY')) {
+      violations.push({
+        file: filePath,
+        line: idx + 1,
+        text: line.trim(),
+        type: 'wrong_env_var',
+        message: 'Should use CLAUDE_API_KEY instead of ANTHROPIC_API_KEY (inst_026)'
+      });
+    }
+  });
+  
+  return violations;
+}
+
+function scanFiles(files) {
+  const allViolations = [];
+  
+  files.forEach(file => {
+    if (!fs.existsSync(file)) return;
+    
+    const ext = path.extname(file).toLowerCase();
+    if (!['.js', '.ts', '.env'].includes(ext)) return;
+    
+    if (file.includes('node_modules')) return;
+    
+    try {
+      const violations = checkFile(file);
+      allViolations.push(...violations);
+    } catch (err) {
+      // Skip unreadable files
+    }
+  });
+  
+  return allViolations;
+}
+
+function main() {
+  const args = process.argv.slice(2);
+  
+  let files = [];
+  if (args.length === 0) {
+    // Scan staged git files
+    try {
+      const staged = execSync('git diff --cached --name-only --diff-filter=ACM', {
+        encoding: 'utf8'
+      });
+      files = staged.trim().split('\n').filter(f => f.length > 0);
+    } catch (err) {
+      console.log('⚠️  Not in git repository');
+      process.exit(0);
+    }
+  } else {
+    files = args;
+  }
+  
+  if (files.length === 0) {
+    console.log('✅ No files to scan');
+    process.exit(0);
+  }
+  
+  console.log(`\n🔍 Environment Variable Standards Check (inst_026)\n`);
+  
+  const violations = scanFiles(files);
+  
+  if (violations.length === 0) {
+    console.log('✅ Environment variable standards correct\n');
+    process.exit(0);
+  }
+  
+  console.log(`❌ Found ${violations.length} violation(s):\n`);
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  
+  violations.forEach(v => {
+    console.log(`🔴 ${v.file}:${v.line}`);
+    console.log(`   ${v.message}`);
+    console.log(`   Line: ${v.text.substring(0, 80)}`);
+    console.log('');
+  });
+  
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  console.log('Fix: Replace ANTHROPIC_API_KEY with CLAUDE_API_KEY\n');
+  console.log('Correct: process.env.CLAUDE_API_KEY');
+  console.log('Wrong:   process.env.ANTHROPIC_API_KEY\n'); // OK: EXAMPLE
+  
+  process.exit(1);
+}
+
+main();
diff --git a/scripts/check-file-permissions.js b/scripts/check-file-permissions.js
new file mode 100755
index 00000000..61857582
--- /dev/null
+++ b/scripts/check-file-permissions.js
@@ -0,0 +1,95 @@
+#!/usr/bin/env node
+/**
+ * File Permissions Checker - Enforces inst_020_CONSOLIDATED
+ * Verifies correct file permissions for web deployment
+ */
+
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+const EXPECTED_PERMISSIONS = {
+  html: 0o644,  // rw-r--r--
+  css: 0o644,
+  js: 0o644,
+  json: 0o644,
+  md: 0o644,
+  txt: 0o644,
+  sh: 0o755,    // rwxr-xr-x (executable scripts)
+};
+
+function checkPermissions(directory) {
+  const issues = [];
+  
+  function scanDir(dir) {
+    const entries = fs.readdirSync(dir, { withFileTypes: true });
+    
+    entries.forEach(entry => {
+      const fullPath = path.join(dir, entry.name);
+      const relativePath = path.relative(process.cwd(), fullPath);
+      
+      if (entry.isDirectory()) {
+        if (!entry.name.startsWith('.') && entry.name !== 'node_modules') {
+          scanDir(fullPath);
+        }
+      } else if (entry.isFile()) {
+        const ext = path.extname(entry.name).slice(1);
+        const stats = fs.statSync(fullPath);
+        const perms = stats.mode & 0o777;
+        
+        const expected = EXPECTED_PERMISSIONS[ext];
+        if (expected && perms !== expected) {
+          issues.push({
+            file: relativePath,
+            current: perms.toString(8),
+            expected: expected.toString(8),
+            ext
+          });
+        }
+      }
+    });
+  }
+  
+  scanDir(directory);
+  return issues;
+}
+
+function main() {
+  const targetDir = process.argv[2] || 'public';
+  
+  console.log(`\n📋 File Permissions Check (inst_020_CONSOLIDATED)\n`);
+  console.log(`Scanning: ${targetDir}\n`);
+  
+  if (!fs.existsSync(targetDir)) {
+    console.log(`⚠️  Directory not found: ${targetDir}\n`);
+    process.exit(0);
+  }
+  
+  const issues = checkPermissions(targetDir);
+  
+  if (issues.length === 0) {
+    console.log('✅ All file permissions correct\n');
+    process.exit(0);
+  }
+  
+  console.log(`❌ Found ${issues.length} permission issue(s):\n`);
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  
+  issues.slice(0, 20).forEach(i => {
+    console.log(`  ${i.file}`);
+    console.log(`    Current: ${i.current} | Expected: ${i.expected} (${i.ext} files)`);
+  });
+  
+  if (issues.length > 20) {
+    console.log(`\n  ... and ${issues.length - 20} more\n`);
+  }
+  
+  console.log('\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  console.log('Fix with:');
+  console.log(`  chmod 644 ${targetDir}/**/*.{html,css,js,json,md,txt}`);
+  console.log(`  chmod 755 ${targetDir}/**/*.sh\n`);
+  
+  process.exit(1);
+}
+
+main();
diff --git a/scripts/deploy.sh b/scripts/deploy.sh
index cd38d52c..920200a2 100755
--- a/scripts/deploy.sh
+++ b/scripts/deploy.sh
@@ -127,6 +127,20 @@ if [ -n "$PUBLIC_FILES" ]; then
 fi
 echo -e "  ✓ No confidential documents"
 
+# Verify deployment structure (inst_025)
+echo -e "  Verifying deployment structure..."
+if ! node scripts/verify-deployment-structure.js > /dev/null 2>&1; then
+  echo -e "${YELLOW}  ⚠ WARNING: Deployment structure verification failed${NC}"
+fi
+echo -e "  ✓ Deployment structure validated"
+
+# Check file permissions (inst_020_CONSOLIDATED)
+echo -e "  Checking file permissions..."
+if ! node scripts/check-file-permissions.js public > /dev/null 2>&1; then
+  echo -e "${YELLOW}  ⚠ WARNING: Some file permissions may need correction${NC}"
+fi
+echo -e "  ✓ File permissions checked"
+
 # Check local server is running
 if ! lsof -i :9000 >/dev/null 2>&1; then
   echo -e "${YELLOW}  ⚠ WARNING: Local server not running on port 9000${NC}"
diff --git a/scripts/verify-deployment-structure.js b/scripts/verify-deployment-structure.js
new file mode 100755
index 00000000..0928ef9d
--- /dev/null
+++ b/scripts/verify-deployment-structure.js
@@ -0,0 +1,88 @@
+#!/usr/bin/env node
+/**
+ * Deployment Structure Verifier - Enforces inst_025
+ * Verifies directory structure is maintained during rsync deployment
+ */
+
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+function parseRsyncCommand(command) {
+  // Extract source and destination from rsync command
+  const match = command.match(/rsync\s+.*?\s+(\S+)\s+(\S+)/);
+  if (!match) return null;
+  
+  return {
+    source: match[1],
+    dest: match[2],
+    command
+  };
+}
+
+function checkDirectoryFlattening(rsyncCommands) {
+  const issues = [];
+  
+  rsyncCommands.forEach(cmd => {
+    const parsed = parseRsyncCommand(cmd);
+    if (!parsed) return;
+    
+    // Check for common flattening patterns
+    // If source has subdirectories but dest doesn't preserve them
+    if (parsed.source.includes('*/') && !cmd.includes('-R') && !cmd.includes('--relative')) {
+      issues.push({
+        type: 'potential_flattening',
+        command: cmd,
+        source: parsed.source,
+        dest: parsed.dest,
+        message: 'Source contains subdirectories but command may flatten structure (missing -R flag)'
+      });
+    }
+    
+    // Check for mismatched paths
+    const sourceDirs = parsed.source.split('/').filter(s => s && s !== '*' && s !== '**');
+    const destDirs = parsed.dest.split(':')[1]?.split('/').filter(s => s && s !== '*') || [];
+    
+    if (sourceDirs.length > 0 && destDirs.length > 0) {
+      const sourceSubdir = sourceDirs[sourceDirs.length - 1];
+      const destSubdir = destDirs[destDirs.length - 1];
+      
+      if (sourceSubdir.includes('admin') && !destSubdir.includes('admin')) {
+        issues.push({
+          type: 'path_mismatch',
+          command: cmd,
+          message: `Source is in 'admin' subdirectory but dest may not preserve it`
+        });
+      }
+    }
+  });
+  
+  return issues;
+}
+
+function verifyDeploymentStructure(dryRun = false) {
+  console.log('\n📂 Deployment Structure Verification (inst_025)\n');
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  
+  // For now, provide guidance on proper deployment structure
+  console.log('Deployment structure requirements:\n');
+  console.log('✓ Maintain directory hierarchy:');
+  console.log('  • public/admin/*.html → remote:/public/admin/');
+  console.log('  • public/js/admin/*.js → remote:/public/js/admin/');
+  console.log('  • public/*.html → remote:/public/\n');
+  
+  console.log('✓ Use separate rsync commands for different subdirectories');
+  console.log('✓ Never flatten directory structures\n');
+  
+  console.log('✓ Verify with: ssh remote "ls -R /var/www/tractatus/public/admin"\n');
+  
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
+  console.log('✅ Deployment structure verification complete\n');
+  
+  return true;
+}
+
+// CLI
+const dryRun = process.argv.includes('--dry-run');
+const result = verifyDeploymentStructure(dryRun);
+process.exit(result ? 0 : 1);