feat(tui): welcome art with light-blue thick border, new C_WELCOME color pair

tui/agent.py

@@ -3,6 +3,18 @@ import threading
 from datetime import datetime
 from scripts import ntro
 
+WELCOME_ART = """\
+\n\
+╔══════════════════════════════════════════╗
+║                                          ║
+║     /\\_/\\       H E N D R I K            ║
+║    ( o.o )      AI Agent                 ║
+║     > ^ <       siap membantu!           ║
+║    (     )                               ║
+║     (___)                                ║
+║                                          ║
+╚══════════════════════════════════════════╝"""
+
 
 def log(app, role, text):
     app.log.append({

tui/app.py

@@ -2,6 +2,7 @@ import curses
 import threading
 from .render import init_colors, draw
 from .input import handle_key
+from .agent import log, WELCOME_ART
 
 
 class HendrikTUI:
@@ -41,6 +42,7 @@ class HendrikTUI:
 
         self.messages = [{"role": "system",
                           "content": self.build_system_prompt(self.tools_def)}]
+        log(self, "welcome", WELCOME_ART)
 
         while self.running:
             self.h, self.w = stdscr.getmaxyx()

tui/render.py

@@ -20,6 +20,7 @@ C_ERROR = 8        # error message: merah
 C_INPUT_BORDER = 9 # border input box: biru
 C_STATUS_INFO = 12 # status info (workspace/hints): putih
 C_HINT_DISABLED = 13 # hint disabled (abu-abu)
+C_WELCOME = 14       # welcome art: light blue
 
 
 def init_colors():
@@ -38,6 +39,7 @@ def init_colors():
     curses.init_pair(C_ERROR, curses.COLOR_RED, -1)
     curses.init_pair(C_INPUT_BORDER, curses.COLOR_BLUE, -1)
     curses.init_pair(C_HINT_DISABLED, 8, -1)  # abu-abu di atas bg default
+    curses.init_pair(C_WELCOME, curses.COLOR_BLUE + 8, -1)  # light blue
 
 
 def draw(app, stdscr):
@@ -123,6 +125,10 @@ def draw_chat(app, stdscr):
             rendered.append((C_SYSTEM, lines[0]))
             for line in lines[1:]:
                 rendered.append((C_SYSTEM, "   " + line))
+        elif role == "welcome":
+            lines = text.split("\n")
+            for line in lines:
+                rendered.append((C_WELCOME, " " + line))
         elif role == "error":
             label = " \u2717 "
             lines = text.split("\n")