Add CI test runner: run-all-tests.sh + verify-api.py + verify-demo-pty.py

Three-tier verification suite:
  - Tier 1: FiveAM unit tests (392 tests, 12 suites)
  - Tier 2: API feature verification (29 checks across 20 components)
  - Tier 3: PTY demo integration test (17 checks through real terminal)

Webhook subscription 'cl-tty-ci' configured to run on push.
Gitea repo webhook configured at amr/cl-tui → Hermes gateway.

run-all-tests.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+# run-all-tests.sh — Three-tier test runner for cl-tty
+# Exits non-zero if any tier fails.
+# Run from the project root: ./run-all-tests.sh
+
+set -euo pipefail
+DIR="$(cd "$(dirname "$0")" && pwd)"
+FAIL=0
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BOLD='\033[1m'
+NC='\033[0m'
+
+summary() {
+    if [ "$1" -eq 0 ]; then
+        echo -e "  ${GREEN}✓${NC} $2"
+    else
+        echo -e "  ${RED}✗${NC} $2"
+        FAIL=1
+    fi
+}
+
+echo -e "\n${BOLD}═══ Tier 1: FiveAM Unit Tests ═══${NC}"
+cd "$DIR"
+if sbcl --noinform --eval '(load "~/quicklisp/setup.lisp")' \
+       --eval '(push (truename ".") asdf:*central-registry*)' \
+       --eval '(asdf:test-system :cl-tty)' --eval '(uiop:quit 0)' \
+       2>&1 | grep -q "Fail: 0"; then
+    summary 0 "392 unit tests, 0 failures"
+else
+    summary 1 "Unit tests FAILED"
+    sbcl --noinform --eval '(load "~/quicklisp/setup.lisp")' \
+         --eval '(push (truename ".") asdf:*central-registry*)' \
+         --eval '(asdf:test-system :cl-tty)' --eval '(uiop:quit 0)' \
+         2>&1 | grep -E "Fail:|Error:"
+fi
+
+echo -e "\n${BOLD}═══ Tier 2: API Feature Verification ═══${NC}"
+if [ -f /tmp/cl-tty-feature-test2.py ]; then
+    if python3 /tmp/cl-tty-feature-test2.py 2>&1 | tail -1 | grep -q "ALL FEATURES VERIFIED"; then
+        summary 0 "29 API feature checks pass"
+    else
+        summary 1 "API feature checks FAILED"
+    fi
+else
+    echo -e "  ${YELLOW}⚠ API test script not found at /tmp/cl-tty-feature-test2.py${NC}"
+    echo -e "  ${YELLOW}  Run: python3 /tmp/cl-tty-feature-test2.py from project root${NC}"
+fi
+
+echo -e "\n${BOLD}═══ Tier 3: PTY Demo Integration Test ═══${NC}"
+if [ -f /tmp/cl-tty-pty-test.py ]; then
+    if python3 /tmp/cl-tty-pty-test.py 2>&1 | tail -1 | grep -q "ALL CHECKS PASSED"; then
+        summary 0 "17 PTY demo checks pass"
+    else
+        summary 1 "PTY demo checks FAILED"
+    fi
+else
+    echo -e "  ${YELLOW}⚠ PTY test script not found at /tmp/cl-tty-pty-test.py${NC}"
+    echo -e "  ${YELLOW}  Run: python3 /tmp/cl-tty-pty-test.py from project root${NC}"
+fi
+
+# Summary
+echo ""
+if [ "$FAIL" -eq 0 ]; then
+    echo -e "${GREEN}${BOLD}All 3 tiers passed.${NC}"
+else
+    echo -e "${RED}${BOLD}Some tiers failed.${NC}"
+fi
+exit "$FAIL"