refactor: Fix import ordering and code formatting with ruff

Organize imports in render.py and scroll.py to meet ruff style requirements.
Add blank lines for code formatting compliance.

engine/app.py

@@ -75,7 +75,9 @@ def _draw_color_picker(themes_list, selected):
     print(CLR, end="")
     print()
 
-    print(f"  {G_HI}▼ COLOR THEME{RST} {W_GHOST}─ ↑/↓ or j/k to move, Enter/q to select{RST}")
+    print(
+        f"  {G_HI}▼ COLOR THEME{RST} {W_GHOST}─ ↑/↓ or j/k to move, Enter/q to select{RST}"
+    )
     print(f"  {W_GHOST}{'─' * (tw() - 4)}{RST}\n")
 
     for i, (theme_id, theme) in enumerate(themes_list):
@@ -341,7 +343,7 @@ def main():
     print()
     _subtitle = {
         "poetry": "literary consciousness stream",
-        "code":   "source consciousness stream",
+        "code": "source consciousness stream",
     }.get(config.MODE, "digital consciousness stream")
     print(f"  {W_DIM}v0.1 · {_subtitle}{RST}")
     print(f"  {W_GHOST}{'─' * (w - 4)}{RST}")
@@ -365,6 +367,7 @@ def main():
         save_cache(items)
     elif config.MODE == "code":
         from engine.fetch_code import fetch_code
+
         slow_print("  > INITIALIZING SOURCE ARRAY...\n")
         time.sleep(0.2)
         print()

engine/config.py

@@ -58,8 +58,10 @@ HEADLINE_LIMIT = 1000
 FEED_TIMEOUT = 10
 MIC_THRESHOLD_DB = 50  # dB above which glitches intensify
 MODE = (
-    "poetry" if "--poetry" in sys.argv or "-p" in sys.argv
-    else "code" if "--code" in sys.argv
+    "poetry"
+    if "--poetry" in sys.argv or "-p" in sys.argv
+    else "code"
+    if "--code" in sys.argv
     else "news"
 )
 FIREHOSE = "--firehose" in sys.argv

engine/render.py

@@ -15,6 +15,7 @@ from engine.sources import NO_UPPER, SCRIPT_FONTS, SOURCE_LANGS
 from engine.terminal import RST
 from engine.translate import detect_location_language, translate_headline
 
+
 # ─── GRADIENT ─────────────────────────────────────────────
 def _color_codes_to_ansi(color_codes):
     """Convert a list of 256-color codes to ANSI escape code strings.
@@ -80,6 +81,7 @@ def _default_magenta_gradient():
         "\033[2;38;5;235m",  # near black
     ]
 
+
 # ─── FONT LOADING ─────────────────────────────────────────
 _FONT_OBJ = None
 _FONT_OBJ_KEY = None

engine/scroll.py

@@ -18,7 +18,7 @@ from engine.effects import (
     noise,
     vis_trunc,
 )
-from engine.render import big_wrap, lr_gradient, msg_gradient, make_block
+from engine.render import big_wrap, lr_gradient, make_block, msg_gradient
 from engine.terminal import CLR, RST, W_COOL, th, tw