Fixing scroll issue

interfaces/tui/agent.py

@@ -100,7 +100,8 @@ def _agent_loop(app):
     for step in range(app.agent_max_iterations):
         stamp_step = ntro.start()
         log(app, "system", f"  step {step + 1} \u2014 Thinking...")
-        app.scroll = 999999
+        if app.scroll_follow:
+            app.scroll = 999999
 
         # Streaming response
         stream_buffer = []
@@ -121,7 +122,8 @@ def _agent_loop(app):
                 if app.log[i].get('role') == 'ai' and (app.log[i].get('text') == placeholder_marker or (i > 0 and app.log[i-1].get('role') == 'system' and 'Thinking' in app.log[i-1].get('text', ''))):
                     app.log[i]['text'] = current_text
                     break
-            app.scroll = 999999
+            if app.scroll_follow:
+                app.scroll = 999999
 
         skill = config.AGENT_SKILLS
         tool_reminder = None
@@ -189,7 +191,8 @@ def _agent_loop(app):
                     "name": tname,
                     "arguments": targs,
                 }))
-                app.scroll = 999999
+                if app.scroll_follow:
+                    app.scroll = 999999
                 result = agent_loop.execute_tool(tc, app.TOOL_HANDLERS)
                 if isinstance(result, ImagePayload):
                     _add_msg(app, "tool", [

interfaces/tui/app.py

@@ -34,6 +34,7 @@ class HendrikTUI:
         self.input_line = 0
         self.input_col = 0
         self.scroll = 0
+        self.scroll_follow = True   # follow bottom saat streaming, mati kalau user scroll up
         self.processing = False
         self.running = True
         self.h, self.w = 0, 0

interfaces/tui/input.py

@@ -49,8 +49,10 @@ def handle_key(app, stdscr, key):
     # -- Scroll & resize --
     if key == curses.KEY_PPAGE:
         app.scroll = max(0, app.scroll - (app.h - 10) // 2)
+        app.scroll_follow = False
     elif key == curses.KEY_NPAGE:
         app.scroll += (app.h - 10) // 2
+        app.scroll_follow = True
     elif key == curses.KEY_RESIZE:
         pass
 

interfaces/tui/keycodes.py

@@ -94,6 +94,16 @@ _CSI_NAV = {
     "5~": KEY_PPAGE, "6~": KEY_NPAGE,
 }
 
+# Versi numerik (kitty CSI-u / tilde dengan modifier eksplisit):
+#   \x1b[2~ / \x1b[2;1~ / \x1b[2u / \x1b[2;1u → INSERT, dst.
+# Ini bentuk yang dikirim terminal ketika keyboard protocol (kitty/xterm
+# modifyOtherKeys) aktif, yang sebelumnya jatuh jadi KEY_ESC.
+_CSI_NAV_NUM = {
+    2: KEY_INSERT, 3: KEY_DC,
+    5: KEY_PPAGE,  6: KEY_NPAGE,
+    7: KEY_HOME,   8: KEY_END,
+}
+
 # F1-F4 bentuk huruf (kitty protocol aktif): CSI P/Q/S = F1/F2/F4.
 # F3 (huruf R) dihapus dari spec (bentrok Cursor Position Report) → pakai [13~.
 _CSI_LETTER_F = {
@@ -173,6 +183,11 @@ def _map_modified_key(code: int, mod, terminator: str) -> int | None:
             return _CSI_F_KEYS["13"]  # F3
         return 13
 
+    # Navigasi numerik (Insert/Delete/PageUp/PageDown/Home/End) — terlepas
+    # dari terminator (u/~) dan modifier yang menyertainya.
+    if code in _CSI_NAV_NUM:
+        return _CSI_NAV_NUM[code]
+
     # F1-F12 dengan/tanpa modifier
     if str(code) in _CSI_F_KEYS:
         return _CSI_F_KEYS[str(code)]

interfaces/tui/render.py

@@ -214,6 +214,10 @@ def draw_chat(app, stdscr):
     if app.scroll > max_scroll:
         app.scroll = max_scroll
     app.scroll = max(0, app.scroll)
+    # Kalau sudah mentok di bawah, kembalikan auto-follow (streaming akan
+    # menempel di bottom lagi; PgUp keluar dari mode follow).
+    if app.scroll >= max_scroll:
+        app.scroll_follow = True
 
     # Gambar baris yang terlihat (scroll sampai scroll + chat_h)
     # Clear area chat dulu biar nggak ada text lama yang nyisa