feat: Add terminal module.

engine/terminal.py

@@ -0,0 +1,78 @@
+"""
+ANSI escape codes, terminal size helpers, and text output primitives.
+No internal dependencies.
+"""
+
+import os
+import sys
+import random
+import time
+
+# ─── ANSI ─────────────────────────────────────────────────
+RST = "\033[0m"
+BOLD = "\033[1m"
+DIM = "\033[2m"
+# Matrix greens
+G_HI = "\033[38;5;46m"
+G_MID = "\033[38;5;34m"
+G_LO = "\033[38;5;22m"
+G_DIM = "\033[2;38;5;34m"
+# THX-1138 sterile tones
+W_COOL = "\033[38;5;250m"
+W_DIM = "\033[2;38;5;245m"
+W_GHOST = "\033[2;38;5;238m"
+C_DIM = "\033[2;38;5;37m"
+# Terminal control
+CLR = "\033[2J\033[H"
+CURSOR_OFF = "\033[?25l"
+CURSOR_ON = "\033[?25h"
+
+
+# ─── TERMINAL SIZE ────────────────────────────────────────
+def tw():
+    try:
+        return os.get_terminal_size().columns
+    except Exception:
+        return 80
+
+
+def th():
+    try:
+        return os.get_terminal_size().lines
+    except Exception:
+        return 24
+
+
+# ─── TEXT OUTPUT ──────────────────────────────────────────
+def type_out(text, color=G_HI):
+    i = 0
+    while i < len(text):
+        if random.random() < 0.3:
+            b = random.randint(2, 5)
+            sys.stdout.write(f"{color}{text[i:i+b]}{RST}")
+            i += b
+        else:
+            sys.stdout.write(f"{color}{text[i]}{RST}")
+            i += 1
+        sys.stdout.flush()
+        time.sleep(random.uniform(0.004, 0.018))
+
+
+def slow_print(text, color=G_DIM, delay=0.015):
+    for ch in text:
+        sys.stdout.write(f"{color}{ch}{RST}")
+        sys.stdout.flush()
+        time.sleep(delay)
+
+
+def boot_ln(label, status, ok=True):
+    dots = max(3, min(30, tw() - len(label) - len(status) - 8))
+    sys.stdout.write(f"  {G_DIM}>{RST} {W_DIM}{label} ")
+    sys.stdout.flush()
+    for _ in range(dots):
+        sys.stdout.write(f"{G_LO}.")
+        sys.stdout.flush()
+        time.sleep(random.uniform(0.006, 0.025))
+    c = G_MID if ok else "\033[2;38;5;196m"
+    print(f" {c}{status}{RST}")
+    time.sleep(random.uniform(0.02, 0.1))