feat: update lr_gradient to use config.ACTIVE_THEME
- Remove hardcoded GRAD_COLS and MSG_GRAD_COLS module constants - Add _default_green_gradient() and _default_magenta_gradient() fallback functions - Add _color_codes_to_ansi() to convert integer color codes from themes to ANSI escape strings - Update lr_gradient() signature: cols parameter (was grad_cols) - lr_gradient() now pulls colors from config.ACTIVE_THEME when available - Falls back to default green gradient when no theme is active - Existing calls with explicit cols parameter continue to work - Add comprehensive tests for new functionality Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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104
engine/render.py
104
engine/render.py
@@ -16,37 +16,69 @@ from engine.terminal import RST
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from engine.translate import detect_location_language, translate_headline
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# ─── GRADIENT ─────────────────────────────────────────────
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# Left → right: white-hot leading edge fades to near-black
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GRAD_COLS = [
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"\033[1;38;5;231m", # white
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"\033[1;38;5;195m", # pale cyan-white
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"\033[38;5;123m", # bright cyan
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"\033[38;5;118m", # bright lime
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"\033[38;5;82m", # lime
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"\033[38;5;46m", # bright green
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"\033[38;5;40m", # green
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"\033[38;5;34m", # medium green
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"\033[38;5;28m", # dark green
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"\033[38;5;22m", # deep green
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"\033[2;38;5;22m", # dim deep green
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"\033[2;38;5;235m", # near black
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]
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def _color_codes_to_ansi(color_codes):
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"""Convert a list of 256-color codes to ANSI escape code strings.
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# Complementary sweep for queue messages (opposite hue family from ticker greens)
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MSG_GRAD_COLS = [
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"\033[1;38;5;231m", # white
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"\033[1;38;5;225m", # pale pink-white
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"\033[38;5;219m", # bright pink
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"\033[38;5;213m", # hot pink
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"\033[38;5;207m", # magenta
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"\033[38;5;201m", # bright magenta
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"\033[38;5;165m", # orchid-red
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"\033[38;5;161m", # ruby-magenta
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"\033[38;5;125m", # dark magenta
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"\033[38;5;89m", # deep maroon-magenta
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"\033[2;38;5;89m", # dim deep maroon-magenta
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"\033[2;38;5;235m", # near black
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]
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Pattern: first 2 are bold, middle 8 are normal, last 2 are dim.
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Args:
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color_codes: List of 12 integers (256-color palette codes)
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Returns:
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List of ANSI escape code strings
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"""
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if not color_codes or len(color_codes) != 12:
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# Fallback to default green if invalid
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return _default_green_gradient()
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result = []
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for i, code in enumerate(color_codes):
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if i < 2:
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# Bold for first 2 (bright leading edge)
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result.append(f"\033[1;38;5;{code}m")
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elif i < 10:
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# Normal for middle 8
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result.append(f"\033[38;5;{code}m")
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else:
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# Dim for last 2 (dark trailing edge)
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result.append(f"\033[2;38;5;{code}m")
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return result
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def _default_green_gradient():
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"""Return the default 12-color green gradient for fallback when no theme is active."""
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return [
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"\033[1;38;5;231m", # white
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"\033[1;38;5;195m", # pale cyan-white
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"\033[38;5;123m", # bright cyan
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"\033[38;5;118m", # bright lime
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"\033[38;5;82m", # lime
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"\033[38;5;46m", # bright green
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"\033[38;5;40m", # green
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"\033[38;5;34m", # medium green
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"\033[38;5;28m", # dark green
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"\033[38;5;22m", # deep green
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"\033[2;38;5;22m", # dim deep green
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"\033[2;38;5;235m", # near black
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]
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def _default_magenta_gradient():
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"""Return the default 12-color magenta gradient for fallback when no theme is active."""
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return [
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"\033[1;38;5;231m", # white
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"\033[1;38;5;225m", # pale pink-white
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"\033[38;5;219m", # bright pink
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"\033[38;5;213m", # hot pink
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"\033[38;5;207m", # magenta
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"\033[38;5;201m", # bright magenta
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"\033[38;5;165m", # orchid-red
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"\033[38;5;161m", # ruby-magenta
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"\033[38;5;125m", # dark magenta
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"\033[38;5;89m", # deep maroon-magenta
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"\033[2;38;5;89m", # dim deep maroon-magenta
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"\033[2;38;5;235m", # near black
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]
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# ─── FONT LOADING ─────────────────────────────────────────
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_FONT_OBJ = None
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@@ -189,9 +221,15 @@ def big_wrap(text, max_w, fnt=None):
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return out
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def lr_gradient(rows, offset=0.0, grad_cols=None):
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def lr_gradient(rows, offset=0.0, cols=None):
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"""Color each non-space block character with a shifting left-to-right gradient."""
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cols = grad_cols or GRAD_COLS
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if cols is None:
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from engine import config
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if config.ACTIVE_THEME:
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cols = _color_codes_to_ansi(config.ACTIVE_THEME.main_gradient)
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else:
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cols = _default_green_gradient()
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n = len(cols)
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max_x = max((len(r.rstrip()) for r in rows if r.strip()), default=1)
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out = []
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@@ -213,7 +251,7 @@ def lr_gradient(rows, offset=0.0, grad_cols=None):
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def lr_gradient_opposite(rows, offset=0.0):
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"""Complementary (opposite wheel) gradient used for queue message panels."""
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return lr_gradient(rows, offset, MSG_GRAD_COLS)
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return lr_gradient(rows, offset, _default_magenta_gradient())
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# ─── HEADLINE BLOCK ASSEMBLY ─────────────────────────────
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